• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates first of all to a decorative component (1), in particular designed to constitute a piece of trim or to be integrated in a piece of internal trim of a vehicle, constituted by at least a sheet of material (2), provided with stiffening means (3) and having, at least locally, on at least one of its faces, referred to as an aspect conferring face (4), an aesthetic and/or comfortable aspect. According to the invention, said stiffening means (3) are constituted by a bead (5) of material, whether continuous or discontinuous, provided on a part at least of the periphery of said sheet (2) to fix its shape according to the shape desired for said component. The invention also relates to a process for manufacturing such a decorative component and to a use thereof, as well as to a process for manufacturing a piece of internal trim of a vehicle, for example a door panel, using said decorative component.
    公开号:US20010000736A1
    申请号:US09/747,232
    申请日:2000-12-26
    公开日:2001-05-03
    发明作者:Emmanuel Piec；Jean-Yves Delattre
    申请人:Visteon Systemes Interieurs SAS；
    IPC主号:B29C45-14336
    专利说明:
    [0001] The invention relates to a decorative component, designed, in particular, to be integrated in a piece of internal trim of a vehicle, as well as to a process for manufacturing such a decorative component, to a use thereof and to a process for manufacturing a piece of internal trim of a vehicle, for example a door panel, implementing said decorative component. [0001]
    [0002] However, although more especially intended for such manufacturing processes, the component according to the invention can also be used for the manufacture of other types of part. [0002]
    [0003] At the present time, there are known pieces of internal trim for vehicles constituted by a layer of material, referred to as a ‘carrier’, having locally at least one aspect conferring area. [0003]
    [0004] Said aspect conferring area is defined by a component constituted by a sheet of material, which is most of ten textile, and is secured to a stiffening insert provided beneath the entire face of said sheet opposite to its visible face. Said component is fixed to the carrier, the two pieces being produced previously and separately, according to the desired shapes. [0004]
    [0005] Such processes thus necessitate additional operations on said decorative component, which increases the time taken to manufacture the piece of trim. Furthermore, the component is fixed to the carrier most often by gluing, welding, stapling, clipping and/or screwing, whereas such fixing methods can prove inadequate. Indeed, when such solutions are adopted, the edges of the component remain fragile and/or creases sometimes appear on its surface. [0005]
    [0006] This being the case, in order to avoid having to effect additional operations, processes have been developed whereby the carrier is produced directly beneath the component, previously formed, and placed in a tool designed to mold the carrier. Said carrier is then produced by injection from different points for introduction of the material. [0006]
    [0007] Nonetheless, such solutions lead to the presence of weld marks in areas in which the flows of injected material meet, and which may be partly visible, and/or lead to implementation problems, in particular owing to the high pressures that they may necessitate and which are liable to damage the aspect conferring area. [0007]
    [0008] Steps thus have to be taken to ensure that the cladding is not wrinkled, does not tear, and is not excessively compressed, which could give it an undesirable shiny appearance. [0008]
    [0009] The object of the present invention is to provide a decorative component, including a sheet of material having an aesthetic appearance, and a process for manufacturing a piece of interior trim of a vehicle using such a decorative component, which overcome the aforementioned drawbacks by facilitating optimum positioning and/or fixing of said sheet of material, even at its periphery. [0009]
    [0010] Another object of the present invention is to provide a decorative component and a process for manufacturing a piece of interior trim of a vehicle using such a component which make it possible to dispense with additional operations. [0010]
    [0011] Another object of the present invention is to provide a decorative component and a process for manufacturing a piece of interior trim of a vehicle which make it possible to prevent, at the time of mounting the component, the appearance of weld marks, at the very least visible in part. [0011]
    [0012] A further object of the present invention is to provide a decorative component and a process for manufacturing a piece of interior trim of a vehicle using a component which make it possible to implement low pressures at the time of manufacture. [0012]
    [0013] Another object of the present invention is to provide a decorative component and a process for manufacturing a piece of interior trim of a vehicle which make for savings in terms of material and simplification of the tools that have to be used. [0013]
    [0014] Further objects and advantages of the invention will emerge in the course of the description that follows, which is provided only by way of illustration and is not intended to limit same. [0014]
    [0015] The invention relates, in the first place, to a decorative component, in particular one designed to form a piece of trim or to be integrated in a piece of interior trim of a vehicle, constituted by at least a sheet of material, provided with stiffening means and having, at least locally, on at least one of its faces, said aspect conferring faces, conferring an aesthetic and/or comfortable aspect, characterized by the fact that said stiffening means are constituted by a bead, whether continuous or discontinuous, of material, provided on one part at least of the periphery of said sheet in order to fix its shape according to that desired for said component. [0015]
    [0016] The invention also relates to a process for manufacturing such a component, in which said sheet is shaped according to a desired profile and said peripheral bead is produced, and to a use of said component in a tool in respect of which said component is held and positioned by said peripheral bead. [0016]
    [0017] The invention further relates to a process for manufacturing a piece of interior trim of a vehicle, for example a door panel, constituted by a layer of material, referred to as a carrier, having locally at least one aspect conferring area, characterized by the fact that: [0017]
    [0018] in a first stage, a decorative component as described above is produced; [0018]
    [0019] in a second stage, separate from the first one, the connection between said carrier and said decorative component is ensured in such a way that the aspect conferring area of said piece is defined, at least in part, by said aspect conferring face of the component. [0019]
    [0020] The invention will be more readily understood from a study of the following description, accompanied by the annexed drawings, which form an integral part thereof, and wherein [0020]
    [0021] FIG. 1 illustrates, in front view, a piece of trim obtained according to one exemplary form of embodiment of the process according to the invention; [0021]
    [0022] FIG. 2[0022] a is a partial cross-sectional view along line IIa—IIa of preceding FIG. 1, illustrating an exemplary embodiment of the component according to the invention;
    [0023] FIG. 2[0023] b is a partial cross-sectional view along line IIb—IIb of preceding FIG. 1, illustrating another part of the component of FIG. 2;
    [0024] FIG. 3 is a cross-sectional view illustrating an example of a tool for implementing the process, according to the invention, for manufacturing the decorative component shown in preceding FIG. 2; [0024]
    [0025] FIG. 4 is a cross-sectional view illustrating an example of a tool for manufacturing the piece of trim shown in preceding FIG. 1; [0025]
    [0026] FIG. 5 illustrates a piece of trim obtained according to an alternative embodiment of the process for manufacturing a piece of trim according to the invention. [0026]
    [0027] The invention relates, in the first place, to a decorative component, designed, in particular, to be integrated in a piece of interior trim of a vehicle. However, although more especially intended for such applications, said component can also be used in other types of part. [0027]
    [0028] As illustrated in FIGS. 1 and 2, said decorative component, identified by the number [0028] 1, is constituted by at least a sheet of material 2 provided with stiffening means 3. Said sheet of material further has, at least locally, on at least one of its faces, 4, referred to as an aspect conferring face, an aesthetic and/or comfortable aspect. This is to be taken as meaning that said sheet of material 2 is pleasant to the eye and/or touch, at the very least locally in the area of its said aspect conferring face or faces 4.
    [0029] For this purpose, said sheet of material [0029] 2 is designed, for example, so as to be flexible and/or is made of textile materials. The word <<flexible>> is to be taken as meaning that said sheet of material becomes deformed by its very nature or its consistency, in particular under its own weight. It cannot, therefore, retain by itself, after becoming deformed, a given shape, or even a contour having a given profile, if it is not supported.
    [0030] According to the invention, said stiffening means [0030] 3 are constituted by a bead 5, which is continuous or discontinuous, of material. Said bead 5 is provided over a part at least of the periphery of said sheet 2 and thus makes it possible to fix its shape according to that wished for said component.
    [0031] It is thus possible to obtain optimum fixing of sheet of material [0031] 2 on its stiffening means 3 without excessive pressure as this fixing is carried out only in the area of the periphery of the sheet, that is to say where it is necessary but also sufficient.
    [0032] In addition, when said component is mounted on another piece, the part of the latter located under said component, can simply have the role of maintaining the shape of said component, without now having necessarily having to play an additional fixing role. [0032]
    [0033] It should also be noted that said bead can obviate the need for additional operations during subsequent uses of said component [0033] 1 by providing an area for direct assembly of the latter to the other part or parts of the piece to be mounted.
    [0034] Furthermore, said bead [0034] 5 can, in particular, play the part of a barrier between the flows of material that may be used to form the said piece and will then make it possible to prevent the appearance of weld marks, at the very least visible in part. It can also contribute to the tensioning of sheet of material 2, through a pressure of the material on the inner part of the bead, like a <<piston effect>>.
    [0035] Said bead [0035] 5 is separate from said sheet of material 2. It is constituted by one or more materials, for example, different from that or those used to make said sheet, in particular thermoplastic materials.
    [0036] According to a first form of embodiment, said component [0036] 1 is substantially flat, and said bead 5 is then contained in the plane in which said sheet of material 5 is stretched.
    [0037] According to another form of embodiment, illustrated by that shown in the different figures, said component has a profile that is three-dimensional, in particular recessed and/or in relief. Said bead [0037] 5 then follows an irregular path enabling said sheet of material 2 to be given the desired profile or, at the very least, enabling its contour to be fixed along said path. Thus, said sheet will ultimately be able to regain said profile, in particular once it is placed opposite a cavity of the same shape, for example one located in the area of the punch and/or of the die of a mold, with the material of said sheet placing itself of its own accord at the desired point, thanks to the contour imposed by said bead.
    [0038] Said component includes, for example, locally, one or more blocks of material [0038] 6, in particular foam, having a certain degree of flexibility, secured to said sheet of material 2.
    [0039] Said bead [0039] 5 is provided, for example, on face 7 of sheet of material 2 opposite its aspect conferring face 4. The same applies, in particular, to any block or blocks of material 6.
    [0040] The edges of said sheet of material [0040] 2 are secured, for example, in the area of a part of said bead 5 forming a skirt 8 for said component 1. Said sheet of material 2 thus possibly covers, at least in part, the outer lateral face 9 of said bead 5,
    [0041] Said component [0041] 1 can further include, in the area of said bead 5, means 10, whether continuous or discontinuous, for positioning said component.
    [0042] According to a first form of embodiment, this concerns the shape imparted to the distal edge [0042] 11 of said bead 5 possibly designed to be beveled and stepped.
    [0043] According to another form of embodiment, said positioning means [0043] 10 are constituted, as shown, by slots 12, provided, in particular, in the body of the material, in the area of said distal edge 11 of bead 5. Said slots 12 are defined, for example, in the width of said bead 5, by two facing tabs, spaced apart from one another.
    [0044] Thanks to said positioning means [0044] 10, the tools used can thus be simplified.
    [0045] By way of example, according to the form of embodiment illustrated, it will thus be noted that said bead [0045] 5 has a proximal edge 13 in contact with said sheet of material 2, opposite said distal edge 11, provided with said positioning means 10, the lateral face of bead 5 provided externally between said distal and proximal edges 11, 13 being covered, at least partially, by the edges of said sheet of material 2.
    [0046] As illustrated in FIG. 3, the invention also relates to a process for manufacturing a decorative component [0046] 1, such as the one described above. According to this process, said sheet of material 2 is shaped according to a desired profile and said peripheral bead 5 is produced, thus making it possible to fix said profile. These two steps take place, for example, in succession.
    [0047] The forming of said sheet of material [0047] 2 can be facilitated on the periphery, or on all or part, of the mold, or even on internal areas, with the use of means of assistance, such as, in particular, holding down clamps or a pinning frame, or similar devices.
    [0048] Said bead [0048] 5 is produced, in particular, by injection molding and/or extrusion in a mold 14 in which said sheet of material 2 has been preformed, According to another form of embodiment, it can be produced in advance and then glued to said sheet of material 2.
    [0049] One or more portions of sheet of material [0049] 2, provided in excess beyond bead 5 can, possibly, be cut away. In this way, additional gains in material can be achieved, as cutting can be effected accurately in the are of said bead 5.
    [0050] Furthermore, when said cutting operation is carried out, the edges of said sheet of material [0050] 2 can be applied in the area of skirt 8.
    [0051] To implement such a process, said mold [0051] 14 is constituted, in particular, by two parts 15, 16 having, in the area of their surfaces of contact, the profile desired for component 1.
    [0052] One, [0052] 16, of said parts of mold 14 is provided, for example, with a groove 17 permitting the formation of said bead 5.
    [0053] Opposite part [0053] 15 is provided with cutting means 18 for cutting the edges of sheet of material 2.
    [0054] Thus, by way of example, to form said decorative component [0054] 1, the following steps are observed: mold 14 is opened, sheet of material 2 is placed between its two parts 15, 16 and said mold 14 is closed. Said bead 5 is injected under said sheet of material 2, then any excess amounts of said sheet of material are cut off; then mold 14 is opened.
    [0055] The invention also relates to a use of said decorative component in a tool in respect of which said component is held and positioned by said peripheral bead. This can be the case of tool [0055] 24, discussed hereinafter.
    [0056] As illustrated in FIGS. 4 and 5, the invention also relates to a process for manufacturing a piece of interior trim of a vehicle, for example, a door panel. [0056]
    [0057] Said piece of trim, identified by reference number [0057] 19, is constituted by a layer of material 20, referred to as a ‘carrier’, having, locally, at least one aspect conferring area 21.
    [0058] According to the invention, to manufacture said piece, in a first step, a decorative component [0058] 1, such as the one described above, is produced, possibly using the aforementioned manufacturing process.
    [0059] Then, in a second step, separate from the first one, the connection between said carrier [0059] 20 and said decorative component 1 is provided in such a way that the aspect conferring area 21 of said piece 19 is defined, at least in part, by said aspect conferring face 4 of said component 1.
    [0060] There is thus produced a piece of trim in which, as already mentioned, the aspect conferring area is positioned and/or fixed in an optimum manner on carrier [0060] 20, by means of said bead 5, this being accomplished without any additional operations and with a reduction of the risk of weld marks appearing between the different parts of said carrier 21.
    [0061] Furthermore, as the latter now has only the role of positioning and/or maintaining in shape sheet of material [0061] 2, and no longer that of fixing it, the pressures in the tool can be reduced, and the risks of damage to said sheet of material 2 avoided.
    [0062] Said carrier [0062] 20 is produced, for example, by injection and/or extrusion/compression and/or thermocompression molding. It is provided, in particular, beneath said component 1 and/or it defines a frame, at least a partial one, around it.
    [0063] According to one form of embodiment, illustrated in FIG. 4, said carrier [0063] 20 is secured to said bead 5 in the area of their respective end edges.
    [0064] According to another form of embodiment, illustrated in FIG. 5, said carrier [0064] 20 is, furthermore, over-molded above distal edge 11 of said bead 5.
    [0065] In this way, the connection is ensured between said component [0065] 1 and said carrier 20, for example, at least in the area of bead 5 of said component 1.
    [0066] According to one particular form of embodiment of the invention, a groove [0066] 22 is formed in the area of a zone of contact between said bead 5 and a visible part of said carrier 20, the edge of said sheet of material 2 being provided so as to be inserted into said groove 22. In this way the finish of the piece of trim is further improved.
    [0067] Said groove [0067] 22 is produced by providing, facing skirt 8 of component 1, a skirt 23 on carrier 20.
    [0068] The relative positioning of component [0068] 1 in said piece of trim 19 can be ensured by means of said bead 5, in particular provided with said positioning means 10.
    [0069] If blocks [0069] 6 of material are used, these are fixed to said sheet of material 2, for example, during said first step, that is to say in said mold 14 used to manufacture component 1.
    [0070] To implement said process for manufacturing piece of trim [0070] 19, use can be made, in particular, of a second mold, 24, in two parts 25, 26, between which a gap 27 is defined to produce carrier 20.
    [0071] One, [0071] 26, of the parts of said second mold 24 has, in the area of gap 27, a cavity 28 in which to put said component 1 into place. Its profile matches that imparted to sheet of material 2 in said mold 14 used to manufacture said component 1.
    [0072] Different points of injection [0072] 29 are provided on the other part, 26, of said second mold 24, for example, on one hand, opposite cavity 28 for forming the part of carrier 20 located beneath said component 1 and, on the other hand, beyond for forming the rest of said carrier 20.
    [0073] In the area of said portion [0073] 26 having injection points 29, positioning grooves can be provided to cooperate with said slots 12 of component 1.
    [0074] It is thus possible to obtain a piece of trim [0074] 19, for example, in the following steps: a component 1 is manufactured in mold 14, as described above, the other mold, 24, is opened, and said component 1 is placed in cavity 28 said second mold 24 is closed, and said carrier 20 is injected both beneath said component 1 and around it, possibly sequentially, said second mold 24 is cooled down so that it can finally be opened so that formed item 19 can be stripped therefrom.
    [0075] According to one particular form of embodiment of the invention, said first and second steps can be carried out in <<hidden time>>, possibly in the same tool, such as a multiple mold. [0075]
    [0076] Other forms of embodiment, within the grasp of one skilled in the art, could, of course, have been devised without thereby departing from the scope of the invention. [0076]
    权利要求:
    Claims (12)
    [1" id="US-20010000736-A1-CLM-00001] 1. Decorative component (1), in particular designed to constitute a piece of trim or to be integrated in a piece of internal trim of a vehicle, constituted by at least a sheet of material (2), provided with stiffening means (3) and having, at least locally, on at least one of its faces, referred to as an aspect conferring face (4), an aesthetic and/or comfortable aspect, characterized by the fact that said stiffening means (3) are constituted by a bead (5), whether continuous or discontinuous, provided on a portion at least of the periphery of said sheet of material (2) to fix its shape according to the shape desired for said component (1).
    [2" id="US-20010000736-A1-CLM-00002] 2. Component according to
    claim 1 , locally including one or more blocks of material (6) having a certain amount of flexibility, secured to said sheet of material (2).
    [3" id="US-20010000736-A1-CLM-00003] 3. Component according to
    claim 1 , in which the edges of said sheet of material (2) are secured in the area of a part of said bead (5), forming a skirt (8) for said component (1).
    [4" id="US-20010000736-A1-CLM-00004] 4. Component according to
    claim 1 , including, in the area of said bead (5) means (10), whether discontinuous or continuous, for positioning said component (1).
    [5" id="US-20010000736-A1-CLM-00005] 5. Process for manufacturing a decorative component, according to
    claim 1 , in which said sheet of material (2) is formed according to a desired profile and said peripheral bead (5) is produced.
    [6" id="US-20010000736-A1-CLM-00006] 6. Process according to
    claim 5 , in which one or more portions of said sheet of material (2), provided in excess beyond the bead (5), are cut off.
    [7" id="US-20010000736-A1-CLM-00007] 7. Use of a decorative component according to
    claim 1 , in a tool in respect of which said component is held and positioned by said peripheral bead.
    [8" id="US-20010000736-A1-CLM-00008] 8. Process for manufacturing a piece of internal trim (19) of a vehicle, for example a door panel, constituted by a layer of material, referred to as a carrier (20), having locally at least one aspect conferring area (21), characterized by the fact that:
    there is produced, in a first step, a decorative component according to any one of
    claims 1 to
    4 ;
    there is provided, in a second step, separate from the first one, the connection between said carrier (20) and said decorative component (1) in such a way that the aspect conferring area (21) of said piece (19) is defined at least in part by said aspect conferring face (4) of said component (1).
    [9" id="US-20010000736-A1-CLM-00009] 9. Process according to
    claim 8 , in which the connection between said component (1) and said carrier (2) is ensured at least in the are of the bead (5) of said component (1).
    [10" id="US-20010000736-A1-CLM-00010] 10. Process according to
    claim 9 , in which a groove (22) is formed in the area of a zone of contact between said bead (5) and a visible part of said carrier (20), the edge of said sheet of material (2) being provided so as to be inserted in said groove (22).
    [11" id="US-20010000736-A1-CLM-00011] 11. Process according to
    claim 8 , in which the relative positioning of the component (1) in said piece (19) is ensured by means of said bead (5).
    [12" id="US-20010000736-A1-CLM-00012] 12. Process according to
    claim 8 , in which said first and second steps are carried out in masked time, in the same tool.
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    同族专利:
    公开号 | 公开日
    US6464917B1|2002-10-15|
    DE60012267T2|2005-07-14|
    EP1052076A1|2000-11-15|
    BR0001751A|2001-01-02|
    DE60012267D1|2004-08-26|
    JP2000355254A|2000-12-26|
    US6623815B2|2003-09-23|
    FR2793460A1|2000-11-17|
    EP1052076B1|2004-07-21|
    FR2793460B1|2001-07-06|
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    法律状态:
    2000-12-26| AS| Assignment|Owner name: VISTEON SYSTEMES INTERIEURS SOCIETE PAR ACTIONS SI Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:PIEC, EMMANUEL;DELATTRE, JEAN-YVES;REEL/FRAME:011415/0604 Effective date: 20000804 |
    2007-01-24| FPAY| Fee payment|Year of fee payment: 4 |
    2009-02-27| AS| Assignment|Owner name: JPMORGAN CHASE BANK, TEXAS Free format text: SECURITY INTEREST;ASSIGNOR:VISTEON GLOBAL TECHNOLOGIES, INC.;REEL/FRAME:022368/0001 Effective date: 20060814 Owner name: JPMORGAN CHASE BANK,TEXAS Free format text: SECURITY INTEREST;ASSIGNOR:VISTEON GLOBAL TECHNOLOGIES, INC.;REEL/FRAME:022368/0001 Effective date: 20060814 |
    2011-05-02| REMI| Maintenance fee reminder mailed|
    2011-09-23| LAPS| Lapse for failure to pay maintenance fees|
    2011-10-24| STCH| Information on status: patent discontinuation|Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
    2011-11-15| FP| Lapsed due to failure to pay maintenance fee|Effective date: 20110923 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR9906248A|FR2793460B1|1999-05-12|1999-05-12|DECORATIVE COMPONENT AND METHOD FOR MANUFACTURING SUCH A DECORATIVE COMPONENT AND METHOD FOR MANUFACTURING AN INTERIOR CLADDING PART OF A VEHICLE, FOR EXAMPLE A DOOR PANEL, USING SUCH DECORATIVE COMPONENT|
    FR99/06.248||1999-05-12||
    US09/568,153|US6464917B1|1999-05-12|2000-05-10|Process for manufacturing decorative interior trim for a vehicle|
    US09/747,232|US6623815B2|1999-05-12|2000-12-26|Decorative component for use as a piece of trim of a vehicle|US09/747,232| US6623815B2|1999-05-12|2000-12-26|Decorative component for use as a piece of trim of a vehicle|
    US10/384,803| US6805928B2|1999-05-12|2003-03-11|Decorative component for use as a piece of trim of a vehicle|
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