Steering wheel for automobile and method of fabricating the same

A technology of steering wheel, metal frame, applied in the direction of steering control mounted on the car, craft for producing decorative surface effects, decorative art, etc., which can solve the problems of steering wheel embedding, difficulty, heating, etc.

Inactive Publication Date: 2010-11-17
MIRAETEC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no actual step of embedding the steering wheel into the first or second mold and heating the steering wheel, which is technically difficult to achieve in practice

Method used

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  • Steering wheel for automobile and method of fabricating the same
  • Steering wheel for automobile and method of fabricating the same
  • Steering wheel for automobile and method of fabricating the same

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0104] Example 1 relates to a method of manufacturing a steering wheel by using image 3 The mold is shown embedded with a plurality of pattern parts by applying automatic transfer printing.

[0105] The method of Example 1 generally includes: preheating, building the initial injection molded part, embedding the initial pattern part, building the second injection molded part, embedding the second pattern part, building the third injection molded part, building the polyurethane foam, building the protective coating Layers and stitched leather.

[0106] The preheating is performed in a desiccator to preheat the axle core 13 integrally connected with the gold layer frame 10 .

[0107] For this operation, the axle core 13 is prepared integrally connected with the metal frame 10 .

[0108] The axle core 13 and the metal frame 10 are subjected to various checks to determine whether they are suitable in terms of quality and other conditions for manufacturing the steering wheel.

...

example 2

[0148] Example 2 relates to a method of manufacturing a steering wheel by using Figure 4 The mold shown is embedded in the vacuum coating part 15 and the pattern part 17 by a combination of vacuum coating and automatic transfer.

[0149] The method of Example 2 includes: preheating, building the initial injection molded part, embedding the vacuum coating part, building the second injection molded part, embedding the pattern part, building the third injection molded part, building the polyurethane foam, building the protective coating, and sewing leather.

[0150] As in Example 1, the preheating is performed in a dryer to preheat the axle core 13 integrally connected with the metal frame 10 . Therefore, a detailed description thereof is omitted here.

[0151] Here, the opaque resin used for the primary injection molding part 14 may be polycarbonate (PC). However, in Example 2, polyethylene terephthalate (PET) was used as the opaque resin as the primary injection-molded part...

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Abstract

The present disclosure relates to a steering wheel for automobiles and a method of fabricating the same. The steering wheel is formed in multiple layers having a thickness difference of 2-3 mm by multi-stage injection molding and has a pattern or picture between the layers to provide a luxurious and pleasant appearance. In the method, after being preheated in a dryer to remove moisture, a metal frame is subjected to primary to tertiary injection molding in a mold to form the multiple layers. Here, drying is performed to remove moisture from the surface of injection-molded parts to prevent deterioration in adherence and quality during the process. Here, the pattern or figure is inserted between the layers by pad printing or a combination of pad printing and vacuum deposition. The multi-stage injection molding allows various colors, patterns, and figures to be printed on injection-molded parts excluding the uppermost layer.

Description

technical field [0001] The present invention relates to an automobile steering wheel and a method for manufacturing the steering wheel, more particularly, relates to an automobile steering wheel and a method for manufacturing the steering wheel, the method for manufacturing the steering wheel can replace the traditional wood grain hydraulic transfer process and includes : By multi-stage injection molding method and embedding preset patterns or graphics between said injection molding layers, the steering wheel is formed in multiple layers with varying thickness of 2-3 mm, thereby providing a luxurious and pleasing appearance. Background technique [0002] Generally, a steering wheel is provided on an automobile to control the direction of travel of the vehicle, and the steering wheel includes a steering mechanism, a gear device, and a link mechanism. [0003] The control mechanism is used to transmit the operation of the driver to the gear device and the link mechanism. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D1/04B29C45/14B29C44/12B44C1/00
CPCB29L2031/3047B29K2995/0025B44C3/02B29K2995/0026B29K2705/00B29C2045/1693B62D1/06B29C44/08B29C45/1671B29C2045/14877Y10T74/20834B62D1/04
Inventor 辛基旭崔纹硕成暎钟徐东海
Owner MIRAETEC CO LTD
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