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Interior decoration part for automobile and method for manufacturing the same

A technology for automotive interior parts and components, applied in the field of automotive interior parts and its manufacturing, can solve the problems of increased manufacturing costs of metal molds, long molding cycles, high material costs, etc., to reduce the amount of resin and simplify reprocessing. Utilize the effect of excellent operation and sound absorption performance

Inactive Publication Date: 2006-10-04
KASAI KOGYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the conventional door trim 1, since the projected area of ​​the resin core material 2 is large, the material cost is high and the product is heavy.
In addition, since the projected area of ​​the resin core material 2 is large, the injection pressure at the time of molding must be set high, and a metal mold structure capable of withstanding high injection pressure is required, resulting in an increase in the manufacturing cost of the metal mold. A large amount of molten resin is cooled and solidified, which leads to a longer molding cycle and lower productivity

Method used

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  • Interior decoration part for automobile and method for manufacturing the same
  • Interior decoration part for automobile and method for manufacturing the same
  • Interior decoration part for automobile and method for manufacturing the same

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Embodiment 1

[0070] Figure 1 to Figure 10 Representing the first embodiment of the present invention, figure 1 To show a front view of an automotive interior part, figure 2 is a sectional view showing the structure of the automotive door trim, image 3 It is an explanatory drawing showing the arrangement pattern of the resin rib plate of the door trim for this automobile, Figure 4 It is an explanatory view showing a hook mounting seat of the door trim for an automobile and a reinforcing flash portion formed around a resin molded portion such as a protrusion, Figure 5 is a cross-sectional view showing the structure of the main part of the door trim for the automobile, Figure 6 , Figure 7 An overall view and a sectional view of main parts showing the molding die used for molding the automotive door trim, Figure 8 to Figure 10 It is an explanatory drawing showing each process of the manufacturing method of the door trim for an automobile.

[0071] First, in Figure 1 to Figure 5 ...

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Abstract

The invention discloses a vehicle internals, which is characterized by the following: inner decoration main body (20) of door inner decoration (10) is made up with light and conformal foaming resin base material and resin molding part (23); the reinforce spew part (30) is formed by bleeding fusion resin through one part of resin molding part (23) and then supports fast resin molding part (23) and through spew part (30) to avoid resin molding part (23) to producing sharp edge; the spew part (30) can improve forming precision.

Description

technical field [0001] The present invention relates to automotive interior parts such as door trims, rear luggage racks, floor trims, rear cargo box trims, and rear side wall trims, and methods of manufacturing the same. An automotive interior part capable of improving molding accuracy of a resin part and improving safety, and a method for manufacturing the same. Background technique [0002] For example, taking the door trim as an example, according to Figure 16 , 17 The structure of an automotive interior part will be described. The door trim 1 is integrally formed by laminating a skin 3 with an excellent surface appearance on the surface of a resin core material 2 extending over a product surface having shape retention and rigidity for attachment to a vehicle body panel. approximately the entire surface of the As the above-mentioned resin core material 2, its material is a polypropylene resin mixed with talc powder. In addition, the skin 3 itself does not have shape ...

Claims

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Application Information

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IPC IPC(8): B29C45/14B29C45/17B29L31/58
Inventor 升水要小池德之
Owner KASAI KOGYO CO LTD
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