Recyclable bumper system

Details Recyclable bumper system Recyclable bumper system

1990-11-26

1992-06-16

Van Balen, William J.

Stock material or miscellaneous articles

Vehicle body ornament

428 71, 428188, 4283197, B32B 100, B32B 326

Patent

active

051223988

ABSTRACT:
A recyclable bumper system based on polypropylene comprises a bumper support A of glass fiber reinforced polypropylene, an energy-absorbing foam core B of foamed polypropylene and a tough shell C of EP-rubber modified polypropylene which may be coated, and can be recycled by mechanical comminution, extrusion and granulation, resulting in granules from which injection moldings having good mechanical properties can be produced.

REFERENCES:
patent: 3493257 (1970-02-01), Fitzgerald et al.
patent: 4598001 (1986-07-01), Watanabe et al.
patent: 4931339 (1990-06-01), Malcolm-Brown

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