Textured surface pattern for an automobile bumper

Details Textured surface pattern for an automobile bumper Textured surface pattern for an automobile bumper

1982-12-28

1984-10-23

Bertsch, Richard A.

Vehicle fenders

Buffer or bumper type

213220, 293 1, 293120, 293136, B60R 1910

Patent

active

044784473

ABSTRACT:
A textured surface pattern of projections and recesses provides a good appearance and low susceptibility to damage and clogging by dirt and wax for an automobile bumper made of synthetic resin. The depth of the pattern is in the range from 20 to 70.mu., the curvature of the tops of the projections is in the range from 3 to 30.mu., the curvature of the bottoms of the recesses is in the range from 2 to 30.mu., the depth as measured from the level where each recess has a width of 200.mu. to the bottom of the recess is less than 20.mu., and the distance from one top to any adjacent top is less than 2500.mu..

REFERENCES:
patent: 1026063 (1912-05-01), Watkins
patent: 3850474 (1974-11-01), Welch
patent: 4106804 (1978-08-01), Scrivo

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