• 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:
    1. Process for the extrusion of a foil (20) possessing a coloured strip with variable colour intensity, in which a first flow (1) of a molten thermoplastic synthetic resin is extruded through a wide slit nozzle (4a) after widening out in the transverse direction to the extrusion direction (P) ans is shaped to a foil (20), with an additional flow of molten thermoplastic synthetic resin being injected into this first melt flow (1) before the latter leaves the nozzle (4a), characterised in that - the injection takes place at a position at which the melt flow (1) has already widened out completely in the direction transverse to the extrusion direction, - with the injected melt flow (2c) possessing a wedge-shaped cross-section and the injection taking place at right angles to the extrusion direction and with corresponding constriction of the first melt flow (1).
    公开号:SU1268100A3
    申请号:SU833642365
    申请日:1983-09-15
    公开日:1986-10-30
    发明作者:Бринкманн Ганс；Пабст Горст
    申请人:Динамит Нобель Аг (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to the manufacture of polymer films, in particular thermoplastic films with a colored edge strip, which can be used in the automotive and construction industries for the manufacture of safety glass.
    The aim of the invention is to improve the quality of the film by ensuring equal color intensity regardless of pressure fluctuations of thermoplastics.
    In FIG. 1 is a schematic cross-sectional view of a main slit head; in FIG. 2 - the same, transverse section along the channel of the flow ra'alloy; in FIG. 3 - two parallel located slotted heads, a cross section through the channels of the melt flow; in FIG. 4 - device, top view; in FIG. 5 - open main and additional slotted heads in the feed zone of the additional flow of colored melt, top view; in FIG. 6 is a section A-A in FIG. 5; in FIG. 7 - additional slotted head, cross section; in FIG. 8 - same, top view; in FIG. 9 is a section bB in FIG. 8; in Fig. 10 is a view along arrow B in Fig. 7.
    The device comprises a main slotted head 1, made with a distributor 2, fittings 3 and 4 located therein for supplying molten unpainted and colored thermoplastics.
    The slit head 1 is made with a retaining beam 5, an upper 6 and a bottom 7 plates mounted to form an outlet channel 8. The retaining beam 5 is mounted for movement by means of pressure screws 9. The outlet channel 8 is formed by the upper 10 and lower 11 jaws. The upper jaw 10 is mounted to adjust its position by means of a screw 12. '
    The device may have a second main silk head 13 for making a film of a larger width from a uniform or heterogeneous, equally colored or unequally colored thermoplastic. Heads 1 and 13 have the same geometric shape, but may have different widths. In the main slotted head 13, in the area of connection with the head J, an additional slotted head 14 is installed, made with the feeding shutter 100!
    tiem 15, reported gray connective. hole 16 with outlet a; spruce 1 7.
    The additional preparation 14 is formed by a retaining beam 18 with an edge 19 of the main slotted head 13th nozzle plate installed in front of it 20. The exit slit 17 is formed between the retaining beam 19 and the nozzle plate 20 and is made tapering along the front side of the retaining beam 19 transverse to the exhaust channel 8 the main slot head 13. The feed hole 12 and the connecting hole 16 are located in the retaining beam 18. The additional slot head 14 contains, a distribution channel 21, a throttle portion 22 connected to the outlet Strongly 17. The length of the outlet slot 17 are selected depending on the width of the color stripes ·.
    The nozzle plate 20 is provided with means for adjusting its position (not shown).
    The main slotted heads 1, 13 in the area of the retaining beam 5, 18 have throttle sections 23, 24.
    An extruder 25 is installed to supply a colorless thermoplastic flow, and an extruder 26 is designed to supply a colored thermoplastic, A fitting 27 is used to sub-feed the colored thermoplastic into an additional slot head 14,
    The device operates as follows,
    The melt stream supplied from the extruder 25 enters through the inlet fitting 3 into the main slot head 1 and is distributed over the required width through the distributor 2. At the throttle portion 2.3, flow control is carried out in accordance with the pressure of the melt mass. By adjusting the position of the retaining beam 5 by means of pressure screws 9, the flow rate of the melt can be controlled. In the area of the outlet channel 8, the flow rate can also be adjusted by ^ changing the position of the upper jaw 10,
    In the manufacture of a film with a colored strip, the colorless thermoplastic stream comes from the extruder. 25 into the main slit head 1. In the extruder 26, the colored thermoplastic is melted and fed into the second main slit head 13. In addition, through the nozzle 27, the melt stream is diverted to the additional slit head 14 to create a colored strip .-- In the region where the colored section turns into unpainted the color bar has a weakening in the direction of the colorless area color intensity. The color bar is located with a wedge with an angle of 3 - 30 0 .
    In the area of the additional slit head 14, a branched melt stream is fed through a connecting hole 16 in the retaining beam 18 to an exit slot 17, the wedge-shaped shape of which reduces the melt width from a maximum to zero. Thus, the flows of the colored and unpainted thermoplastic are fed in parallel, and the colored melt is injected into the unpainted melt stream in the form of a wedge having the same output speed along the entire length, which makes it possible to obtain films with a colored edge strip containing a precisely reproducible colored wedge with uniform color intensity independently from the place of supply of the melt and its pressure.
    权利要求:
    Claims (2)
    [1]
    I Inventions op-tos and. ready to rub polymer films; in particular, thermoplastic films with a colored edge band, which can be. used in the automotive and construction business to manufacture safety glass. The aim of the invention is to increase the quality of the film by providing equal color intensity regardless of the pressure fluctuations of the thermoplastics. Fig 1 schematically depicted: Yen main slit head, cross section; in fig. 2 is the same cross section along the melt flow channel in FIG. 3 - two parallel spaced atherosic heads, a transverse section through the melt flow channels; in fig. 4 is a top view of the device in FIG. 5 - open main and additional cgel heads 3 to the zone of supplying additional flow of colored melt, top view in FIG. 6; section A-A in FIG. five; in Fig. 7 - an additional slit head, a cross-section; in fig. 8 - the same, top view; in fig. 9 section bb in fig „8; FIG. 10 is a view along arrow B of FIG. 7; The device comprises a main slot head 1 3 made with distributor 2 ,, located therein fittings 3 and 4 for feeding molten unpainted and colored thermoplastics. The slit head 1 is made with under the sill 5, the upper 6 and the bottom plates mounted with the formation of the outlet channel 8, the supporting beam 5 is mounted with a hinged ability by means of shim screws 9. The outlet channel 8 is formed by the upper 10 and lower 11 sponges. The top sponge 10 is mounted with the possibility of adjusting its position by means of a screw 12. The device may have a second main gauge head 13 for making a film of greater width from a uniform or non-hydrogenated colored or unevenly painted thermoplastic. Heads 1 and 13 have the same geomstricheskoe form; but they may have different spine. In the main slotted head 13, in the area of connection with head I, there is an additional slotted gap 14, made with an airbag, 15 15 s communed through a connecting hole 16 with a spring gap 17. The additional tip 14 is formed by a supporting one 540 5 with an edge 19 of the main slot; with 13 13 a nozzle plate installed in front of it 20. Echoh, pas. pg.yyy 17 is formed between the supporting beam 19 and the nozzle plate 20 and is made.; along the front side of the floor-beam 19, the shoulder to the exhaust pipe 8, the gooseneck gooseneck 13 feed G to the connecting hole 16 are located in the supporting beam 18. Additional slotted head 14 soderzkit. distribution channel 21, throttle section 22-, connected with a slit 17, the length of the output target 17 of Bybira: from 13 dependencies on z wr-5H1 color band. The nozzle plate 20 is provided with, and means for adjusting, and, in addition, (not shown), the main slot heads 1, 13 in the area of retaining Zalka 5; 18 and 4th throttle sections of terraces 23, 24, an extruder 25 is installed for feeding the free flow of thermoplastic material 25 and an extruder 26 is designed for feeding cKpaiueH to a south thermoplastic, Fitting 27 is designed to be colored: herkoplast into an additional slit head 14, Device operation. Thus, the flow delivered from the strut 25 is lava, the lava receives a feed to the tank 3) of the main head 1 and is distributed over the required width through the crc dredger 2. In the throttle area 2.3, the flow is controlled: in accordance with the pressure of the mass of the melt, Puteu, re, strolling along the floor of the retaining beam 5, the flow rate of the melt can be controlled by means of pressure rods 9. In the area of the outlet channel 8, the flow rate can also be regulated, by: changing the position of the top: her sponge 10. When manufactured, there is a film with a color band b g; standard pipe: 1st flow thermoplastic inlet, 5: em from the extruder 25 to the main slot, 11 : evuk) bullets / 1. In extruder 26 rasp, lav, p 1 dyed thermoplastic and feed it into the second main slot, Buy the Goal 13. Additionally, through the nozzle 27, the melt flow is diverted to the additional slit head 14 to create a color bar .-- In the transition area the colored area in an uncolored color band has a color intensity which weakens in the direction of the colorless area. The color bar is wedge with an angle of 3-30. In the zone of an additional slit head 14, the branched flow of the melt is fed through the connecting hole 16 in the retaining beam 18 to the exit slit 17, the wedge-shaped shape of which ensures a reduction in the melt width from maximum to zero. Thus, the colored and uncolored thermoplastic flows are fed in parallel and the colored melt is injected into the uncolored melt flow in the form of a wedge having the same output speed along the entire length, which allows to obtain a film with a color edge containing exactly reproducible colored wedge with uniform intensity color irrespective of the place of supply of the melt and its pressure. Claim 1. Device for the manufacture of endless plastics of thermoplastic 0 with a colored edge strip containing a basic slit hplovka, made with a distributor, located in it fittings for supplying molten neocrashennogo and painted thermoplastics, with a supporting beam, upper and ngokney plates mounted with education exhaust port, and an additional slotted head with a feed hole communicated through a connecting hole with an exit slit, characterized in that, in order to increase The film is produced by providing equal intensity of color regardless of thermoplastic pressure fluctuations; the additional slit head is formed by a retaining beam of the main slit head and a nozzle plate installed in front of it, which is equipped with a device mounted to form an exit slit between them, placed along the front the sides of the retaining beam transversely to the outlet channel of the main Slotted head, the feeding and connecting holes being located in the retaining beam.
    [2]
    2. The apparatus of claim 1, wherein the nozzle plate is provided with means for adjusting its position.
    23
    FIG. 2
    13
    fie,
    us.S
    4 j
    YU
    15
    /
    eight
    7
    Type B
    Iq
    16 13
    77
    20
    类似技术:
    公开号 | 公开日 | 专利标题
    US4562023A|1985-12-31|Process and apparatus for producing a synthetic resin sheet having a colored band of varying color intensity
    US5223276A|1993-06-29|Multilayer coextrusion apparatus
    US4128386A|1978-12-05|Apparatus for the extrusion of patterned sheets or panels of thermoplastic synthetic resin compositions
    KR890002684B1|1989-07-24|Die with combining adaptor insert and melt-lamination process
    US3792945A|1974-02-19|Apparatus for producing multicolor patterns and sheet material produced thereby
    SU1209024A3|1986-01-30|Method of manufacturing endless thermooplastic film with coloured strip on edge and device for effecting same
    SU1268100A3|1986-10-30|Device for manufacturing endless film from thermoplastic with coloured edge stripe
    NL8301223A|1983-11-01|DIE DEVICE.
    DE4032160A1|1991-04-25|Co-extruded decorative plastics trim strip - features a variable thickness of decorative layer, leading to variation of colour intensity
    GB1206525A|1970-09-23|Multi-layer extrusion
    CA1230718A|1987-12-29|Valve plate and feedblock design for co-extrusionapparatus and co-extrusion process using same
    DE3920774A1|1991-01-10|CASTING DEVICE FOR CASTING TRANSPARENT PLASTIC LAYERS WITH A COLORED FILTER TAPE
    US6695606B1|2004-02-24|Extrudate shrinkage control and reduction
    DE2631099A1|1978-01-19|Extruder with flat sheeting die - consisting of a base body adjoining die opening in which there is an adjustable baffle bar and an adjustable pair of lips
    US4389181A|1983-06-21|Wide band extruder nozzle
    US4011292A|1977-03-08|Method for producing sheet material with multicolor striated pattern and sheet material produced thereby
    US5411692A|1995-05-02|Integral reclosable bag die assembly
    US3914362A|1975-10-21|Method for producing multicolor patterns in synthetic plastic sheet material
    US3273202A|1966-09-20|Apparatus for manufacturing thermoplastic foils with beaded edges
    US4126724A|1978-11-21|Method and apparatus for producing multicolor patterns and sheet material produced thereby
    US4072791A|1978-02-07|Sheet material with multicolor striated pattern
    DE2117045C3|1975-09-18|Extrusion press for the production of profiles from thermoplastics with a multicolor effect
    USRE27769E|1973-10-02|Apparatus for casting multi-layer composite film
    DE3603432A1|1987-08-06|Extruder head for producing semi-finished articles from thermoplastic materials
    EP1205292A1|2002-05-15|Extruder die having replacable nozzle plate
    同族专利:
    公开号 | 公开日
    FI833923A0|1983-10-26|
    BR8305922A|1984-06-05|
    JPS59111816A|1984-06-28|
    YU44695B|1990-12-31|
    YU44862B|1991-04-30|
    AR231507A1|1984-12-28|
    FI78415C|1989-08-10|
    FI78415B|1989-04-28|
    AT39880T|1989-01-15|
    YU213283A|1986-02-28|
    FI833923A|1984-04-28|
    ES8406281A1|1984-07-01|
    MX168003B|1993-04-26|
    JPS6224246B2|1987-05-27|
    DE3378900D1|1989-02-16|
    CS240980B2|1986-03-13|
    IN159684B|1987-05-30|
    YU163985A|1986-10-31|
    IE832504L|1984-04-27|
    AU2059583A|1984-05-03|
    ZA837969B|1984-06-27|
    TR21544A|1984-09-24|
    CA1219108A|1987-03-17|
    EP0111678A1|1984-06-27|
    AU562924B2|1987-06-25|
    CS783283A2|1985-06-13|
    IE54659B1|1989-12-20|
    EP0111678B1|1989-01-11|
    DE3239782A1|1984-05-03|
    DE3239782C2|1985-01-31|
    ES526770A0|1984-07-01|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3354025A|1964-09-18|1967-11-21|Monsanto Co|Color gradated laminates|
    JPS4945793B1|1969-07-19|1974-12-06|
    BE793756A|1972-01-11|1973-05-02|Cellophane Sa|LAMINATION DEVICE FOR FLAT DIE CO-EXTRUSION|
    DE2622011A1|1976-05-18|1977-12-08|Troester Maschf Paul|SPRAY HEAD|
    DE2622289C3|1976-05-19|1980-03-20|Dynamit Nobel Ag, 5210 Troisdorf|Apparatus for extruding a patterned sheet of thermoplastics|
    DE2966073D1|1978-10-23|1983-09-22|Ici Plc|Method of making laminates of thermoplastic polymers by a single-channel coextrusion process and melt injector block for use therein|
    DE2853850C3|1978-12-13|1981-10-01|W. U. H. Fernholz , 5882 Meinerzhagen|Polystyrene film|
    JPS61175B2|1979-04-11|1986-01-07|Sekisui Chemical Co Ltd|
    DE3010691C2|1980-03-20|1982-12-23|Hoechst Ag, 6000 Frankfurt|Apparatus for producing a coextruded composite film with uncoated edges and made of at least two thermoplastics|
    US4316868A|1980-11-17|1982-02-23|Monsanto Company|Extruding colored thermoplastic resin sheets|
    DE3132509C2|1981-08-18|1984-06-14|Dynamit Nobel Ag, 5210 Troisdorf|Method and slot tool for producing a color wedge film|JPH0423625B2|1984-08-31|1992-04-22|Sekisui Chemical Co Ltd|
    DE3709411A1|1987-03-21|1988-09-29|Huels Troisdorf|METHOD AND DEVICE FOR PRODUCING WOOD MASK STRUCTURAL-LIKE THICK LAYERS BY COEXTRUSION|
    US5087488A|1989-10-19|1992-02-11|Aeroquip Corporation|Method and apparatus for forming a plastic article with an overlay of varying thickness having a shaded color appearance|
    DE4006006C1|1990-02-26|1991-09-19|Vegla Vereinigte Glaswerke Gmbh, 5100 Aachen, De|
    DE4120324A1|1991-06-20|1992-12-24|Pedex & Co Gmbh|Protective garment cover - made from extruded tubular film of opaque recycled polymer with a transparent strip of virgin polymer|
    DE102004013201A1|2004-03-17|2005-10-06|Kuraray Specialities Europe Gmbh|Process for the coextrusion of melt streams of different composition|
    DE102008000685A1|2008-03-14|2009-09-17|Kuraray Europe Gmbh|Completely or partially colored interlayer film for laminated glazings, comprises plasticizer-containing polyvinyl acetal, perylene pigments, UV-absorber, and colored and colorless sections|
    DE102010019941B4|2010-05-08|2014-11-13|Horst Pabst|Apparatus for the coextrusion of thermoplastic melt streams for the production of laminated glass panes|
    EP3912807A4|2020-05-19|2021-11-24|Kuraray Europe Gmbh|Printed interlayer films for laminated glazing with improved nir transparency|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE3239782A|DE3239782C2|1982-10-27|1982-10-27|Device for coextruding a film with a color wedge made of an uncolored thermoplastic material|
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