Method of molding a steering wheel pad

Details Method of molding a steering wheel pad Method of molding a steering wheel pad

1996-09-26

1998-03-17

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, 264334, 425556, 425DIG58, B29C 4544

Patent

active

057283443

ABSTRACT:
A manufacturing method for an injection molded steering wheel pad having a cover and a pocket formed between a first projection and a second hook-shaped projection, that together hold an arm of an air bag device. The method includes use of fixed and movable mold members opposed to one another. The movable mold member moves along a predetermined moving path to selectively contact and separate from the fixed mold member. Core members are provided in one of the mold members for forming the first and second projections in the pad. To permit the removal of the molded pad core members are movable between retracted and extended positions with respect to one of the movable and fixed mold members so that the formed pad projections can be separated from the mold by varying movements of the core members, relative to each other and the mold in which they operate.

REFERENCES:
patent: 3865529 (1975-02-01), Guzzo
patent: 4044092 (1977-08-01), Spears
patent: 4618121 (1986-10-01), Conti
patent: 4854849 (1989-08-01), Sudo
patent: 5053182 (1991-10-01), Hedgewick
patent: 5281127 (1994-01-01), Ramsey
patent: 5536161 (1996-07-01), Smith
patent: 5609894 (1997-03-01), Rathbun

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