Wheel substitutes for land vehicles – With interposed friction drive belt
Patent
1987-11-30
1989-07-04
Stormer, Russell D.
Wheel substitutes for land vehicles
With interposed friction drive belt
305 39, 305 51, B62D 6520
Patent
active
048445614
ABSTRACT:
A composite tread member used in a track for a track-laying vehicle. The tread member is molded of a polymeric material reinforced with abrasion resistant monofilaments. It can be molded in a reaction injection molding process or in a resin transfer molding process by first placing a metal support member and a plurality of reinforcing monofilaments in the mold and then inject a polymeric matrix material into the mold. The reinforcing monofilaments used in our novel composite tread member can be a silicon carbide particle filled Nylon 12 monofilament or a monofilament formed by polyaramid fiber bundles extrusion coated with a polyamide material. The polymeric matrix material used in the composite tread member can be either a Nylon 6 RIM, a polyurethane RIM, or a polyurea RIM material. Our novel composite tread members have superior abrasion resistant properties and durability when compared to a conventional unreinforced tread member.
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Savage Russell C.
Skirha Martin D.
Zeller Gary P.
General Motors Corporation
Stormer Russell D.
Tung Randy W.
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