Plastic core composite having improved impact resistance

Details Plastic core composite having improved impact resistance Plastic core composite having improved impact resistance

1981-03-23

1982-08-03

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428156, 428217, 428412, 428419, 428458, 428462, 428517, 428519, B32B 702, B32B 1508, B32B 2508, B32B 2518

Patent

active

043428100

ABSTRACT:
A plastic composite construction and process for its preparation are disclosed in which the composite comprises a plastic core or center of extended surface area. The composite includes a metallic layer on at least one face of the core and an elastomeric layer, such as of a butyl rubber, adhered to an opposite face of the core. The addition of an elastomeric layer converts the composite to an energy-absorbing construction of substantially improved impact resistance which avoids the normal cracking or spalling of the metallic layer upon impact. The present plastic composite may have an impact resistance of at least seven foot pounds at minus 30.degree. F. The plastic composite can be used as an exterior mirror housing and the like for vehicles.

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patent: 4010297 (1977-03-01), Wenrick
patent: 4189942 (1980-02-01), Giezen et al.
patent: 4247599 (1981-01-01), Hopper
patent: 4269897 (1981-05-01), Gans et al.
patent: 4291076 (1981-09-01), Katoh
patent: 4305981 (1981-12-01), Muroi et al.

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