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Shaping processing product of synthetic resin board and its processing method

A technology of synthetic resin board and processing method, which is applied in the direction of chemical instruments and methods, layered products, metal layered products, etc., can solve the problems of thicker wall of integral molded product 76, shape forming without disclosure, etc., and achieve the desired shape Excellent performance and pattern appearance, exquisite three-dimensional shape, clear three-dimensional shape effect

Active Publication Date: 2005-03-09
SAKAIYA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] In addition, according to the manufacturing method of Cited Document 2, since the molten synthetic resin 74 is injected onto the entire back surface of the film 64 or plate formed by vacuum suction molding, there is a problem that the thickness of the integrally molded product 76 becomes large.
[0015] In addition, in the manufacturing method of Cited Document 2, there is no disclosure of a technique for resisting local shape shaping on the film 64 or plate by a simple method, so it is necessary for the present inventors to develop a completely original technique for synthesizing resin Method for local shape forming of plate

Method used

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  • Shaping processing product of synthetic resin board and its processing method
  • Shaping processing product of synthetic resin board and its processing method
  • Shaping processing product of synthetic resin board and its processing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] The shaped processed product 10 of this embodiment is as follows Figure 8 The outer rings 24, 25 of the one-piece (dialog panel) instrument panel with the speedometer 21, the tachometer 22 and the fuel gauge 23 of the automobile shown and the convex parts 8 connected thereto are used as the protruding partial shape 7. A product obtained by shaping the synthetic resin plate 2 printed with the above-mentioned letter plate. However, no convex portion for scale is formed on the outer ring 25 of the fuel gauge 23 , and the display of the water temperature gauge 27 is formed in the ring 25 in addition to the fuel gauge 23 .

[0072] The outer rings 24 and 25 of the instruments in the above-mentioned instrument panel 30 are shaped into a protruding shape with a metallic style appearance, and transparent polycarbonate is used as the synthetic resin plate 2, and metal is carried out at the outer ring positions of each instrument on the plate. printing.

[0073] In addition, s...

Embodiment 2

[0078] In addition, in Figure 8 In the instrument panel 30 shown, instead of the metal rings (outer rings 24, 24, 25) of the first embodiment, aluminum or the like with a visible light transmittance of 30% is transferred to a transparent polycarbonate plate as the synthetic resin plate 2. Then use the above-mentioned method to shape the ring shape of the protruding shape, so that the ring shape can be given a metallic appearance and can be backlit.

Embodiment 3

[0080] In addition, in Figure 8 In the instrument panel 30 shown, when forming the characters and various warning symbols 28 in the instruments 21, 22, 23 that can be backlit, the characters on the transparent polycarbonate board printed in black on the surface The paint film thickness of the pattern appearance part is 5-7μ for the single-color light-transmitting part, and 14.8μ for the double-color overlapping light-shielding part, so that the characters and various warning symbols 28 in the instruments 21, 22, and 23 of the instrument panel 30 It becomes a hollow letter or a hollow shape, so that backlighting can be realized.

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Abstract

To impart an elaborate feeling or a sharp feeling to a shaped processed product of a synthetic resin sheet for use in the instrument panel of a speedometer, a tachometer and the like of an automobile, a control panel in an air conditioner, a timepiece dial plate, the display plate of a household electric product and the like and to provide the shaped processed product of the synthetic resin sheet capable of being reduced in thickness, reduced in design shift, enabling the use of a metal foil due to a hot stamp or the like and advantageous for page allocation of printing, and its processing method. A local gap 3 is provided to the periphery of the gate port 14 between a fixed mold 11 and the synthetic resin sheet 2 within an injection mold 1 wherein a gate 13 is provided to the fixed mold 11 and a recessed mold 6 is formed to the local part of a movable mold 12. By this constitution, the local part of the synthetic resin sheet 2, which is expanded by the molten resin 4 injected in the gap 3 from the gate port 14, is shaped corresponding to the internal shape of the recessed mold 6.

Description

technical field [0001] The present invention relates to a shaped processed product of a synthetic resin plate and a processing method thereof, whereby instrument panels and air conditioners used as speedometers and tachometers of automobiles, etc. are obtained by performing partial shaping by spray molding of synthetic resin plates Synthetic resin signboards for control panels, clock dials, and display panels for home appliances. Background technique [0002] So far, when manufacturing three-dimensional synthetic resin plate signboards decorated with numbers, characters, scales, etc., such as speedometers, tachometers, or fuel gauges, and various warnings on the dashboard of an automobile, the following methods have been used: It is well known that after heating and softening the synthetic resin plate set in the mold, the vacuum forming method is to suck the synthetic resin plate and form it along the molding surface of the mold; The air (air) pressure (force) forming metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/08B29C41/20B29C45/00B29C45/14B29C45/26B29C51/00B29C51/10B32B3/30
CPCB29C45/1418B29C45/14811B29C45/2708B29C45/40B29C2045/14868B29K2105/256
Inventor 中村浩之柴田雅男
Owner SAKAIYA
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