Steering wheel

Details Steering wheel Steering wheel

1999-07-22

2000-12-26

English, Peter C.

Land vehicles

Wheeled

Attachment

74552, B60R 2120, B62D 104

Patent

active

061646911

ABSTRACT:
An integral steering wheel is produced from single-shot injection molding of a single thermoplastic elastomer. The thermoplastic foam material can produce desirable characteristics for both the rim and the airbag cover. The rim of the steering wheel has good wear characteristics and a targeted compressibility or "feel" while the airbag cover has the sought-after strength across a large temperature range and exhibits very little compliance. The present invention is very cost effective since the composite steering wheel/airbag cover is produced from one thermoplastic foam material, the scrim or substrate is not required, and the molding cycle time is drastically reduced.

REFERENCES:
patent: 4640150 (1987-02-01), Kobayashi et al.
patent: 5584501 (1996-12-01), Walters
patent: 5692769 (1997-12-01), Scharboneau et al.
patent: 5727811 (1998-03-01), Nagata et al.
patent: 5845929 (1998-12-01), Schlett et al.
patent: 5897132 (1999-04-01), Papandreou
patent: 6017481 (2000-01-01), Winget

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