Energy absorbing polyurethane composite article

Details Energy absorbing polyurethane composite article Energy absorbing polyurethane composite article

1985-05-09

1989-02-28

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

36 44, 4283193, 428420, 4284233, B32B 326, B32B 710, B32B 2740

Patent

active

048084697

ABSTRACT:
The present invention relates to a light weight energy absorbing and damping device having a predetermined configuration, which is a composite of a foam element, and at least one visco-elastic element, each said visco-elastic element being permanently affixed by chemical bonding in a portion of the device through which energy is normally transmitted. The device may be configured to all or part of a shoe part or insole, a glove, a seat or seat pad, a helmet or helmet liner, a dash-board liner, head support pad or other energy absorbing or protection devices.

REFERENCES:
patent: 3847720 (1974-11-01), Laberinti
patent: 3935044 (1976-01-01), Daly
patent: 4374172 (1983-02-01), Schwarz et al.
patent: 4418483 (1983-12-01), Fujita et al.
patent: 4455340 (1984-06-01), Okina
patent: 4510702 (1985-04-01), Ehrlich, Jr.
patent: 4515851 (1985-05-01), Johnson
patent: 4552817 (1985-11-01), Uustalu
patent: 4674204 (1987-06-01), Sullivan et al.

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