US 6,982,112 B2
Method of coating rubber with solventless crystalline polyolefin coatings
Aubert Y. Coran, Akron, Ohio (US)
Assigned to GenCorp, Inc., Sacramento, Calif. (US)
Filed on Jul. 03, 2002, as Appl. No. 10/189,329.
Application 10/189329 is a division of application No. 09/567911, filed on May 10, 2000, granted, now 6,440,492.
Prior Publication US 2003/0087060 A1, May 08, 2003
Int. Cl. B32B 3/04 (2006.01)
U.S. Cl. 428—122 16 Claims
OG exemplary drawing
 
1. A vehicle seal comprising:
polyolefin rubber body having a glass run channel therethrough, said channel defined by glass-contacting surfaces of the rubber body; and
a continuous coating of fused polyolefin disposed on at least a portion of the glass contacting surfaces and adherent to the polyolefin rubber body; said coating comprising a crystalline polyolefin polymer having weight average molecular weight of from 30,000 to 10,000,000 and a degree of crystallinity of 20 wt. % to 100 wt. %.