Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1997-10-17
1999-04-20
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
249 64, 2643281, 264334, 425556, 425DIG58, B29C 4544
Patent
active
058956212
ABSTRACT:
A method for manufacturing an injection molded steering wheel pad having a cover and a pocket formed between a first projection and a second hook-spaced projection, that together hold an arm of an airbag device. The pad includes a pad body and at least one pair of holding portions extending from the pad body. The holding portions have an L-shaped first recess and the steering wheel pad has a second recess located between the pad body and the holding portion. A mold includes a pair of first and second molds. The method comprises injecting a molten resin into a mold cavity defined upon closing contact between the first and second molds, curing the molten resin to form the steering wheel pad, separating the first and second molds and holding the steering wheel pad in either one of the first and second molds, extending the first and second core members from the main body of one of the first and second molds together with the steering wheel pad, sliding the first core member in a direction perpendicular to the extending direction and resiliently deforming the holding portion to remove the first core member from the first recess while holding the pad with the second core member, and removing the pad from the second core member.
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Nimura Soji
Tajiri Kazunari
Heitbrink Jill L.
Toyoda Gosei Co,., Ltd.
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