Connected fastening members and process for production of resin molded article with fastening member

专利摘要:
PURPOSE: A connection fixing member and a method for manufacturing a resin mold attached with the connection fixing member are provided to remove a process for inserting a mold-in fixing member and accordingly to improve working efficiency by fitting the connection fixing member into a mold-shaped recessed part. CONSTITUTION: A connection fixing member is composed of a board; a front side having a plurality of combining members; a plurality of mold-in fixing members(11,12,13,14,15) including rear sides having no combining member; and a flexible connecting device(16,17) for connecting the mold-in fixing members. The mold-in fixing members are arranged in order and the flexible connecting member is disposed to cover at least some portion of rears of each fixing member. Longitudinal ends of the mold-in fixing members are separated at predetermined intervals or closely contacted without a space.
公开号:KR20030029017A
申请号:KR1020020059281
申请日:2002-09-30
公开日:2003-04-11
发明作者:이또히로시；시마무라구니히꼬；다노꾸라도루；오가와시로；사에끼다까시
申请人:가부시키가이샤 구라레；
IPC主号:

专利说明:

CONNECTED FASTENING MEMBERS AND PROCESS FOR PRODUCTION OF RESIN MOLDED ARTICLE WITH FASTENING MEMBER}
[19] The present invention relates to a mold-in fixing member embedded in a surface of a resin molded body such as a seat cushion of a vehicle and a chair cushion for an office. The fastening member embedded in the cushion is useful for manufacturing a seat or an office chair of a vehicle by fixing upholstery material such as cloth to the cushion.
[20] Vehicle seats and office chairs are generally manufactured by covering the surface of a cushion made of foamed polyurethane or the like with a seat cover (interior decorative material). In a conventional manufacturing method, by a so-called Hogring method, a cushion having a mold-in wire is manufactured by embedding a wire held in a mold-shaped recess with a cushion, and the seat cover covers the mold-in wire with a seat cover. It is attached to the cushion by a plurality of metal fixing members that engage with the. The method of manufacturing the hog ring method is carried out with the aid of an electric tool.
[21] Recently, for example, Japanese Laid-Open Patent Publication No. 2001-260150 has proposed a new molding method for manufacturing a seat of a vehicle. The method comprises the steps of: fitting a fastening member, ie, a flat stator tape, each with a plurality of engaging members (hook members) on an upper surface, into a recess of a mold; Injecting the foamed resin into a mold; And stretching the resin so that a portion of each holding member is integrally embedded in the surface of the cushion so that the coupling member is not present on the outer surface (called a mold-in method). Finally, the cushion is covered with a seat cover having a member (loop elements) on the rear side that can engage with the engaging member of the fastening member.
[22] In the above mold-in method, it is necessary to provide a plurality of fixing members on the resin molded body in order to ensure close contact between the resin molded body and the decorative material over a large surface, thereby producing a product having a good appearance. Until now, a number of fastening members in the form of long narrow tapes have been manually fitted into each recess of the mold.
[23] Therefore, in the conventional mold-in method, since the operator has to fit the long and narrow fixing members one by one into the recesses of the mold, considerable time is required for the installation process. Therefore, there is a need to improve the work efficiency. It is an object of the present invention to provide a connection fixing member capable of simultaneously inserting a plurality of fixing members into corresponding recesses of a mold in a single operation.
[24] That is, the present invention comprises: a plurality of mold-in fixing members each including a substrate, a front surface with a plurality of coupling members, and a back surface without a coupling member; Providing a connection fixing member comprising flexible connecting means for connecting the mold-in fixing member, wherein the mold-in fixing member is arranged side by side, the flexible connecting means covering at least a portion of the rear surface of each fixing member. It is arranged to be.
[25] In a preferred embodiment, the mold-in fastening members are arranged such that their longitudinal ends are spaced apart from each other at predetermined intervals, or are arranged so as to be in substantially close contact with each other without any space between the longitudinal ends. It is preferable that the said connection means contain a resin molded object or a porous material.
[26] In addition, in the present invention, (1) the coupling member faces the bottom surface of the concave portion, and each of the fixing members of the above-mentioned connection fixing member is inserted into the corresponding concave portion formed in the mold, and (2) resin is injected into the mold. And (3) provides a process for producing a molded article is attached to the fixing member comprising the step of curing the resin.
[27] In a preferred embodiment of the above-described process, a connecting fastening member is used, wherein the mold-in fastening members are arranged such that their longitudinal ends are spaced apart from each other at predetermined intervals, or without any space between the longitudinal ends. It is arranged to be in close contact.
[1] 1 is a plan view showing a concave portion of a mold for receiving a connection fixing member according to the present invention;
[2] 2 is a plan view showing a front surface of an embodiment of a fixing member used in the present invention;
[3] 3 is a cross-sectional view of the fixing member along the line A-A 'of FIG.
[4] 4 is a plan view showing a rear side of an embodiment of fitting the connection fixing member according to the present invention in the mold shown in FIG. 1;
[5] 5 is a plan view showing a front surface of another embodiment of the connection fixing member according to the present invention;
[6] 6 is a plan view showing a concave portion of a mold for receiving the connection fixing member shown in FIG. 5;
[7] 7 is a plan view showing a front surface of another embodiment of the connection fixing member according to the present invention;
[8] 8 is a plan view showing a concave portion of a mold for receiving the connection fixing member shown in FIG.
[9] 9 is a plan view showing a front surface of another embodiment of the connection fixing member according to the present invention; and
[10] FIG. 10 is a plan view showing a concave portion of a mold for receiving the connection fixing member shown in FIG. 9; FIG.
[11] Description of the main parts of the drawing
[12] 1: bottom part 2-6, 36-40: recessed part
[13] 7: substrate 8: front
[14] 9, 9 ', 28, 29: coupling member 10: rear
[15] 11-15, 21-25: fixing member 16, 17, 26, 27: connecting member
[16] 30-35: sealing member 41, 42: shoulder
[17] 43-48: longitudinal end of concave part 49-57: flat part
[18] 55 outer side part
[28] 1 is a plan view showing an arrangement of a plurality of recesses formed in the inner bottom portion of a mold. As shown in Fig. 1, the five recesses 2 to 6 are arranged in an H shape on the inner bottom of the mold. The tape-like fastening member is lowered in front (engagement surface) and fitted into each recess. The arrangement shown in FIG. 1 accommodates a connecting fastening member comprising a plurality of mold-in fastening members, the plurality of mold-in fastening members being flexible at the rear side with their longitudinal ends spaced apart from each other by a predetermined distance. It is arranged to be connected to each other by a connecting means. The arrangement shown in FIG. 1 can be modified to join the recesses 2, 4 and also to join the recesses 5, 6 to form two consecutive elongated recesses. In this arrangement, the connecting fastening member has two parallel elongated fastening members and a fastening member corresponding to the recesses 3, which recesses 3 are inserted close between the centers of the long fastening members in a short-circuit shape. . That is, in the connection fixing member in the recess arrangement, two fixing members are connected at one connecting portion.
[29] 2 is a plan view showing a fixing member to be connected. In FIG. 3, a cross section of the fixing member is shown along the line A-A 'of FIG. 2. The fastening member used in accordance with the invention comprises a substrate 7 and a plurality of coupling members 9, 9 ′ provided on the front surface 8 of the substrate. Each coupling member has a mushroom head, an arrow head shape, or a hook-shaped protruding head portion. The engaging member on the surface of the fastening member engages with a ring member formed on the rear face of the decorative material mentioned later.
[30] The back side 10 of the substrate may be flat as shown in FIG. 3. Alternatively, continuous ridges (not shown) used as anchoring elements for the resin molded body may be formed on the rear surface. The fixing member and the fixing member on the rear surface can be firmly attached to the resin molded body. Moreover, as described later, a continuous groove (shown as B in FIGS. 2 and 3) may be formed along the side so that the side portion flexes flexibly with respect to the substrate body. By providing the continuous groove, the side portion can be in intimate contact with the shoulder of the molded recess. In FIG. 3, continuous grooves are formed on the front and rear surfaces of the substrate, but the continuous grooves may be formed on one of the front and rear surfaces. In addition, a ferrite-containing resin layer and a substrate are provided on the front side and the rear side so as to easily fit the connection fixing member into the mold by the magnetic attraction of the magnet embedded in the bottom of the mold-shaped corresponding recess. In addition, the deformation is effective to prevent the liquid resin from being absorbed into the recesses.
[31] The fixing member of the present invention may be made of thermoplastic resin such as polyolefin resin, polyester resin, and polyamide resin. Of these thermoplastic resins, polyolefin resins, typically polypropylene, are preferred in view of moldability and flexibility.
[32] The detailed configuration of the fixing member can be selected according to the use. For example, when used in a vehicle seat, the fixing member generally has a width of 5 to 50 mm, preferably 10 to 30 mm and a length of 10 to 100 cm, preferably 15 to 70 cm. The thickness of the substrate is preferably 0.2 to 1.0 mm, more preferably 0.3 to 0.7 mm.
[33] The height of each coupling member is particularly non-limiting and is preferably 1 to 10 mm, more preferably 1.5 to 6 mm. The coupling members may be arranged in a single row or multiple rows depending on the width of the substrate. The density of the coupling member is preferably 30 to 100 / cm ² . The continuous ridge fixing members may be arranged in a single row or in a plurality of rows on the rear surface of the substrate.
[34] The fixing member comprises the steps of: melt-extruding the aforementioned thermoplastic resin through a nozzle with appropriate slits to form a row of continuous ridges and a tape provided on the front surface; Forming a plurality of cutouts along each successive ridge at small intervals; It can then be formed by drawing the tape in the longitudinal direction to form a plurality of engaging members on the front surface. When the fixing member on the rear surface of the substrate is intended, the fixing member can be formed in the same manner as described above except for forming a continuous ridge for the fixing member using a nozzle having a slit corresponding to each fixing member. .
[35] 4 is a plan view showing an embodiment of the connection fixing member according to the present invention shown in the rear side (on the opposite side of the surface with the coupling member). The five fixing members 11-15 arranged in the H shape are connected to each other by the connecting members 16 and 17 at the portions where the longitudinal ends of the fixing members converge.
[36] In the two fastening members one is connected at the lateral edge and the other at the longitudinal end, or at two adjacent longitudinal ends. In Fig. 4, all five fixing members are connected to each other at the longitudinal ends. The two or more fixing members are fixed to each other by a single connecting means. In the case of connection at adjacent longitudinal ends, three or four fastening members are connected to each other by a single connecting means. In the case of connection between the lateral edge and the longitudinal end, two or three fastening members are connected to each other by a single connecting means. As will be described later, the fixing member may be connected without leaving any gap therebetween.
[37] In a preferred embodiment of the present invention, the plurality of fixing members are arranged such that the end portions in the longitudinal direction are spaced apart from each other at predetermined intervals. However, when the fixing members are arranged in an overlapping manner, for example, when they are arranged one by one without making any space, a level difference occurs. Therefore, care must be taken to prevent undesirable liquid resin from being absorbed into the bonding member and substrate surface during forming formation. By connecting the fixing members adjacent to each other without leaving any gaps, the level difference can be avoided.
[38] 5 to 10 show another embodiment of the connection fixing member of the present invention and a concave portion of a mold suitable for receiving the fixing member.
[39] Figure 5 is a plan view showing an embodiment of the coupling member and the connection fixing member of the present invention when viewed from the front. The five fixing members 21-25 are connected to each other by two connecting means 26, 27. More specifically, the two vertically aligned fastening members 21, 23 are connected by fastening members 22 arranged in the transverse direction without leaving any gaps between them and making no level difference between the substrate surfaces. . On the front side of each holding member, a plurality of coupling members (hook members) 28, 29 are provided.
[40] 5, 7, and 9, as described above, the opposite side is provided with grooves (not shown) that extend continuously along the longitudinal direction to form a flexible side portion with respect to the substrate body. It is preferable to be provided in each side part. In particular, the grooves at the boundary between the side portions and the substrate greatly reduce the thickness of the substrate so that the side portions are easily bent with respect to the substrate body. As a result, the side surface portion comes into close contact with the shoulder of the shaping recess in order to effectively prevent the liquid resin from being absorbed into the recess through the gap. The grooves may be formed in one or both of the front and rear surfaces of the substrate. The depth of the grooves (total depth of the front and rear grooves when formed on both surfaces) is preferably about 40 to 80% of the substrate thickness.
[41] In order to hold the connecting structure, the connecting means 26 is fitted to the rear surface of the fixing members 21, 22, 23. The other two fastening members 24, 25 which are vertically aligned, and the fastening members 22 arranged in the transverse direction are connected by connecting means 27. As shown in FIG.
[42] On the surface of the joining member at the opposite longitudinal end of the transversely arranged fastening member 22, a porous sealing member made of fiber material or foamed resin such that the liquid molding resin is partially absorbed by the sealing member through the longitudinal end. 30 and 31 are provided. In addition, the longitudinal free ends of the vertically arranged fixing members 21, 23, 24, 25 are provided with porous sealing members 32, 33, 34, 35. The liquid resin absorbed into the sealing member at the longitudinal end is foamed and cured in the sealing member, thereby preventing the liquid resin from being absorbed beyond the sealing member. The sealing member is preferably sized to be accommodated in the recess of the mold.
[43] The connection fixing member shown in Fig. 5 is fitted to the recessed portion of the mold shown in Fig. 6. The recess shown in FIG. 6 includes five recesses 36-40 formed to receive corresponding fastening members 21-25. Each recess has a depth sufficient to receive a holding member and two shoulders 41 and 42 defining the recess. When the connection fixing member is fitted into the recess, each fixing member is fitted to both side portions on the shoulder and the corresponding recess so that the side portions are in intimate contact with the shoulder so that the liquid molded resin is absorbed into the recess through the gap between the side portions and the shoulder. And also prevents the joining member from being submerged in the resin. For a close contact between the side of the fixing member and the shoulder of the recess, the thickness of the side can be reduced to form a flexible side with respect to the substrate body. In addition, the method can be used substantially as an alternative for the formation of the aforementioned grooves.
[44] The longitudinal ends 43-48 of the recesses are open ends. When the connecting fixing member shown in Fig. 5 is fitted into the recessed portion, the opposite side portions of each fixing member are brought into intimate contact with the shoulders of the corresponding recessed portions. The sealing members 30, 31 provided at the opposite longitudinal ends of the laterally arranged fixing members 22 prevent the liquid molding resin from being absorbed into the recesses through the longitudinal ends 44, 47. For complete close contact between the side of the fixing member and the shoulder of the recess at the connection, it is important to connect the fixing member smoothly so that there is no level difference between the substrate surfaces. In addition, the longitudinal ends of the vertically arranged fixing members 21, 23, 24, 25 are sealed with sealing members 32-35 so that the liquid resin is recessed through the open ends 43, 45, 46, 48. Prevent absorption. Moreover, by the magnetic attraction between the magnet embedded in the bottom of the shaped recess and the ferrite-containing layer formed on the fixing member, the fitting of the fixing member and the recess and the close contact therebetween are promoted and ensured. Of course, the fastening member may be provided with both a ferrite-containing layer and a groove. The ferrite-containing layer is preferably formed between the rows of coupling members.
[45] 7 is a plan view of another embodiment of a connecting fastening member according to the present invention when viewed from a surface with a hooked engaging member. The fastening members shown in FIG. 7 are connected to each other in the same manner as the connecting fastening members of FIG. 5 except that the structure at the longitudinal end of the fastening members is different from FIG. 5. That is, by partially cutting away the coupling member from the substrate, a flat portion is formed at the longitudinal end of each holding member. Flat portions 49 and 50 are provided at the longitudinal ends of the fastening members arranged transversely, and flat portions 51-54 are provided at the longitudinal ends of the fastening members arranged vertically. The other part of the structure is similar to the part shown in FIG. 5.
[46] FIG. 8 shows a concave portion of a shaping die for receiving the connection fixing member of FIG. 7, which includes five concave portions continuously formed integrally. The shoulders 41 and 42 of the recesses do not have open ends and extend continuously along the entire periphery. When the connecting fastening member of FIG. 7 is fitted into the recess of FIG. 8, the opposite side surface portion of the fastening member is brought into contact with the shoulder of the recess, and six flat portions provided at the longitudinal end of the fastening member are provided with six recesses. In close contact with the shoulder at the corresponding end, the liquid resin is prevented from being absorbed into the recess through the gap between the periphery of the recess and the fixing member. In this structure, the close contact between the connecting fastening member and the shoulder of the recess is strengthened by the magnetic attraction between the magnet provided in the recess and the ferrite-containing layer formed on the fastening member.
[47] 9 is a plan view of another embodiment of a connecting fastening member according to the present invention as viewed from a surface with a hooked engaging member. At the opposite longitudinal end of the transversely fixed fastening member 22, flat portions 56, 57 without coupling members are provided. Hereinafter, the connecting portion of the fixing member shown in FIG. 9 will be described. The vertically arranged fastening members 21 are arranged laterally so that the outer surface 55 of the fastening member 21 and the outer left side surface of the flat part 56 of the fastening member 22 are continuously aligned in a straight line. It is connected with the fixing member (22). The continuous straight alignment is important for fitting the connecting fixing member to the recessed portion of the mold without leaving a gap. The vertically arranged fixing members 21 and the horizontally arranged fixing members 22 are connected to each other by connecting means 26 so as to be formed on the same surface without leaving a gap. The connection part on the right side is similarly formed. Each longitudinal end of the vertically arranged fixing member is provided with a sealing member 32-35 similar to the sealing member shown in FIG. A fastening in which the outer sides of the flat portion and the flexible side ends (lateral ends formed flexibly by forming a groove or reducing thickness) are aligned almost vertically with the fastening members arranged in the transverse direction in a vertical arrangement. It is sufficient in the present invention to be connected with the member. Accordingly, the horizontally arranged fixing members may slightly protrude in the transverse direction beyond the outer surface of the vertically arranged fixing members. With this structure, for example, the absorption of the liquid resin into the recesses in the manner described later can be effectively prevented. From the opposite longitudinal ends of the transversely arranged fastening members, the engaging members of the portions adjacent to the outer shoulders of the recesses are separated. The magnet layer on the protrusion protruding beyond the outer shoulder of the concave portion so that the both ends of the fixing member and the outer shoulders of the concave portion are in close contact with each other so that a gap does not occur due to the magnetic attraction of the magnet disposed in the shaping shape in a portion corresponding to the protrusion. This is provided.
[48] FIG. 10 is a plan view of a recess of a mold for receiving the connection fixing member shown in FIG. 9; FIG. The recess includes a continuous H-shaped groove and shoulders 41 and 42. The longitudinal ends of the two vertical recesses are provided with four open ends 43, 45, 46, 48. When the connection fixing member of FIG. 9 is fitted to the recess shown in FIG. 10, the intermediate portion of the flexible side portion of the fixing member is in intimate contact with the shoulder of the recess so that a gap does not occur. Further, at the connecting portion between the vertically arranged fixing members and the horizontally arranged fixing members, the flat portion at the longitudinal end of the vertically arranged fixing member 55 and the horizontally arranged fixing member ( Since 56) is connected at the same side to ensure close contact between the shoulder of the recess and the outer surface portion, the formation of a gap between the fixing member and the shoulder of the recess can be prevented. Other connections have the same structure. The open ends 43, 45, 46, 48 of the recesses are sealed by the sealing members 32-35 at four longitudinal ends of the fixing members arranged vertically. Connecting means 26, 27 are provided to hold the fixing members to be connected to each other. A ferrite-containing layer is provided on the fixing member shown in FIG. 9 to ensure close contact between the fixing member and the recess by the magnetic attraction of the magnet disposed in the recess of FIG. 10. In the case of using magnetic attraction, it is preferable to form the flexible side portion by providing the aforementioned groove between the side portion and the substrate body. Since the longitudinal end of the recess is an open end, each fixing member of the connecting fixing member shown in FIG. 9 is easily fitted into the corresponding recess shown in FIG.
[49] The three kinds of structures for the connection fixing member and the recessed portion of the mold can be appropriately combined as necessary.
[50] The fastening members are connected to each other by connecting means attached to the rear side without the engaging member, and as a result, the plurality of connecting fastening members are simultaneously fitted into a plurality of corresponding recesses of the mold shown in FIG. 1 in a single operation. Since the connecting fastening members are discontinuously separate from each other, each fastening member fits into a separate recess of the mold while maintaining a good sealing between the recess and the fastening member. In the above structure, since the molding resin injected into the mold is prevented from being absorbed into the recess, that is, the molding resin is prevented from reaching the surface with the coupling member, so that the problem of locking the coupling member can be solved.
[51] The connecting means used in the present invention is composed of molded bodies or porous bodies each made of a flexible resin. The connecting means is of sufficient size to connect or cover the longitudinal ends of the fastening members to be connected. The shape may be rectangular, circular, or ellipse. In addition, a shape suitable for the outer shape of the fixing member to be connected can also be used. Particular embodiments of connecting means are plastic sheets, fabrics, nonwovens, and foamed resins. The connection fixing member is fitted to the recess of the mold while finely adjusting the relative positions of the fixing member and the recess. Therefore, the connecting means need to be flexible. If it is not flexible, fine positioning becomes difficult. The connecting member may be a molded body made of a substantially transparent resin to visually observe the relative position of the recess and the fixing member. By making the connecting means and the holding member made of the same kind of material, the melt adhesion between the connecting means and the holding member can be strengthened.
[52] If the connecting means is very flexible, the connecting fixing member is easily moved, making it difficult to maintain the position of the fixing member. Therefore, it is preferable that the connecting means have adequate rigidity. The connecting means is attached to the fixing member by an adhesive, a pressure sensitive adhesive, or a melt adhesive. Cloth tape coated with a pressure sensitive adhesive is a preferred embodiment for the connecting means. When using the resin sheet, the adhesive is preferably made of an ultrasonic melt adhesive or an induction melt adhesive. The rear face of the fixing member is preferably substantially flat at the longitudinal end interconnected to the connecting means. If the fixing member is formed on the rear side of the substrate, the end of the substrate to be joined is flattened by removing the fixing member or applying heat during the connecting operation.
[53] The resin molded body with a fixing member according to the present invention comprises the steps of: fitting the connection fixing member into the recess of the molding die; Injecting a liquid molding resin such as polyurethane into the mold; It is produced in the step of foaming or curing the resin embedded in the stationary member on the surface of the final molded body with little engagement member lying on the surface. When the liquid resin absorbed into the recess through the gap locks the coupling member on the substrate, it reduces the coupling function of the decorative material and the coupling member covering the molded body, so that the gap between the fixing member and the recess does not occur. It is important to prevent the liquid resin from being absorbed into the recess by bringing the recess into close contact. By known structures, for example by means of continuous sealing ridges formed on the front surface of the fastening member along the side in close contact with the longitudinal shoulders of the recesses; Alternatively, the resin may be prevented from being absorbed into the recess by the continuous sealing protrusion protruding outward from the rear surface of the both side portions of the substrate which come into close contact with the inner surface of the recess when the fixing member is fitted into the recess. By forming grooves on the substrate of the holding member along the side to form a flexible side portion with respect to the substrate body, and by providing a ferrite-containing layer on the front and rear surfaces of the holding member, the resin is prevented from being absorbed into the recess. Can be. The flexible side portion is brought into intimate contact with the shoulder of the recess by magnetic attraction between the ferrite-containing layer and a magnet disposed on the bottom surface of the recess. In order to prevent the resin from being absorbed into the recesses from the longitudinal ends, weirs may be provided in the recesses at positions corresponding to slightly inside of the longitudinal ends of the fixing members, or weirs at the longitudinal ends of the fixing members. May be provided.
[54] The connecting means of the present invention is preferably provided with a structure that can be firmly attached to the molding resin because the molding resin is embedded therein. When the connecting means is a plastic molded body, a protrusion suitable as a fixing member for contacting the resin may be provided on the rear surface opposite the surface to which the fixing member is attached. In addition, the protrusion can be used as a grip that can be gripped, thereby improving the workability for fitting the connection fixing member into the recess of the mold. When the connecting means is a cloth, the nonwoven or resin foam is preferably a porous structure which allows the liquid molding resin to partially infiltrate into the structure. Thereafter, the permeated resin is cured to firmly attach the connecting means to the resin molded body.
[55] The resin molded body provided on the surface of the fixing member is covered with upholstery material in use. The upholstery material may be made of cloth, nonwovens, artificial leather, or the like. A loop member is provided on the back side of the decorative material, ie on the surface facing the engaging member of the fastening member. The ring member is not particularly limited as long as it is engaged with the protruding head portion of the fastening member, for example, a fiber ring obtained by braiding or weaving a multi-filament, or a fiber having wound and raised fibers on its surface. Contains the material.
[56] Although the connection fixing member arranged in the H type has been described above, the connection fixing member used in the present invention is V type, L type, T type, Y type, K type, E type, N type, M type, X type, + type Can be arranged in other suitable shapes, such as, ∏, 田, square, 士 and other modified shapes.
[57] The invention will be explained in more detail with reference to the following examples. However, the following examples are illustrative and not limited to the present invention.
[58] Example 1
[59] Three rows of fastening members comprising a substrate 11 mm wide and 0.5 mm thick and a joining member extending along the longitudinal direction of the substrate are used. The coupling members are raised vertically from the surface of the substrate, and each coupling member has a height of 2.5 mm and a width of 0.2 mm in the longitudinal direction of the substrate, and the density of the coupling members is 60 members / cm ² . The coupling member has a mushroom-shaped end extending in the width direction of the substrate. Two grooves are provided along the side of the substrate to define two boundaries of 3 mm wide and 0.5 mm thick. The ferrite-containing layer is formed only on the substrate surface near the bottom of the coupling member. By the way, the fixing member including the boundary portion is formed integrally from the resin of the polypropylene substrate. A sealing member for absorbing the liquid composition is provided at the longitudinal end of the fixing member such that the liquid foamed resin composition does not reach the surface of the coupling member through the recessed edge of the mold. Five fixing members corresponding to the recesses shown in FIG. 1 are used, one having a length of 40 cm, and the other four having a length of 50 cm. The fixing member is arranged with the rear face up as shown in FIG. Thereafter, the connecting means in the form of a polypropylene sheet having a length of 30 mm, a width of 20 mm, and a thickness of 0.5 mm are placed on the fixing member shown in Fig. 4, and are bonded to each other by ultrasonic melting to form a connecting fixing member. do. On the surface opposite to the surface melted in the fixing member, a grip is provided to enhance workability of fitting the connecting fixing means into the recess. The grip is also used as a fixing member after molding.
[60] Next, the formed connection fixing member is fitted into a mold to form a seat cushion with the H-shaped recess shown in FIG. 1, and the surface is provided with a joining member facing the bottom surface of the H-shaped recess. Thereafter, the polyurethane resin is poured into a mold and foamed. By the way, a magnet is embedded in the bottom surface of the said recessed part. After the resin has completely cured, the molded cushion is separated from the mold. The obtained molded cushion is provided with a connection fixing member which is firmly embedded in its surface. The time required for fitting the connection fixing means to the recess is on average 3.5 sec. The working efficiency is very high and practically no resin is absorbed into the surface of the coupling member.
[61] Example 2
[62] In order to obtain a molded cushion, the same procedure as in Example 1 is repeated except that an adhesive coated porous cloth tape is used as the connecting means. The average time required to insert the connecting fasteners into the recess is 5 sec on average. Substantially no resin is absorbed into the surface of the coupling member. A sufficient amount of polyurethane resin is absorbed into the fibers or fabric of the cloth tape to firmly adhere the polyurethane resin and the cloth tape.
[63] Comparative Example 1
[64] In order to obtain a molded cushion, the same process as in Example 1 is repeated except that each of the five fixing members is manually inserted into the recesses without using the connecting means. The time required to fit all fastening members is on average 10 sec, which reduces the working efficiency.
[65] As mentioned above, according to the present invention, the connecting fixing members connected to each other by the connecting members are fitted into the recesses of the mold, and as a result, the cumbersome work of inserting the mold-in fixing members is reduced and the working efficiency is significantly improved.

权利要求:
Claims (5)
[1" claim-type="Currently amended] A plurality of mold-in fixing members each comprising a substrate, a front surface with a plurality of coupling members, and a back surface without a coupling member, and
A flexible connecting means for connecting said mold-in fixing member,
The mold-in fixing members are arranged side by side, and the flexible connecting means is arranged to cover at least a portion of the rear surface of each fixing member.
[2" claim-type="Currently amended] 2. The mold-in fastening member according to claim 1, wherein the mold-in fixing members are arranged such that their longitudinal ends are spaced apart from each other at predetermined intervals or substantially in close contact with each other without any space therebetween. Connection fixing member characterized in that.
[3" claim-type="Currently amended] The connecting fixing member according to claim 1, wherein the connecting means is made of a porous material.
[4" claim-type="Currently amended] As a manufacturing method of a molded body with a fixing member,
The shoulders of the recesses of the side surfaces of the respective fixing members are placed so that each fixing member of the connecting fixing member according to any one of claims 1 to 3 faces the bottom surface of the recess formed in the mold. Fitting into corresponding recesses in intimate contact with
Injecting a resin into the mold, and
Curing the resin.
[5" claim-type="Currently amended] 5. The mold-in fastening member according to claim 4, wherein the mold-in fixing members are arranged such that their longitudinal ends are spaced apart from each other at predetermined intervals, or are placed in substantially close contact with each other without any space therebetween. The manufacturing method characterized by the above-mentioned.

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同族专利:

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公开号 | 公开日

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US20030072912A1|2003-04-17|

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CA2405271A1|2003-04-04|

---

KR100522274B1|2005-10-18|

---

CN1206092C|2005-06-15|

---

EP1300229B1|2007-11-07|

---

CN1410243A|2003-04-16|

---

DE60223327T2|2008-02-14|

---

DE60223327D1|2007-12-20|

---

JP2003174907A|2003-06-24|

---

EP1300229A1|2003-04-09|

---

US6828004B2|2004-12-07|

引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
2001-10-04|Priority to JP2001308141

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2001-10-04|Priority to JPJP-P-2001-00308141

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2001-10-18|Priority to JP2001320207A

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2001-10-18|Priority to JPJP-P-2001-00320207

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2002-09-30|Application filed by 가부시키가이샤 구라레

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2003-04-11|Publication of KR20030029017A

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2005-10-18|Application granted

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2005-10-18|Publication of KR100522274B1

优先权:

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申请号 | 申请日 | 专利标题

---

JP2001308141|2001-10-04|

---

JPJP-P-2001-00308141|2001-10-04|

---

JP2001320207A|JP2003174907A|2001-10-04|2001-10-18|Connector of locking member and manufacturing method for resin compact|

---

JPJP-P-2001-00320207|2001-10-18|