Molded one-piece bumper

Details Molded one-piece bumper Molded one-piece bumper

1986-09-02

1990-02-27

Stomer, Russell D.

Vehicle fenders

Buffer or bumper type

Composite bumper

293102, B62D 3500

Patent

active

049040081

ABSTRACT:
An automobile bumper is adapted to be molded in one piece from thermoplastic material. The frontal portion is "C"-shaped in cross-section, and has spaced vertical web strips interconnecting the upper and lower rear edges. Certain of these strips have off-sets permitting vertical elongation under impact to control the pattern of deflection of the frontal portion to preserve impact resistance. A die structure having movable core components is provided for producing the bumper.

REFERENCES:
patent: 4252355 (1981-02-01), Goupy et al.
patent: 4460205 (1984-07-01), Glance
patent: 4492398 (1985-01-01), Peter
patent: 4586738 (1986-05-01), Butler et al.
patent: 4652036 (1987-03-01), Okamoto et al.

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