Method of molding an elastomeric shaft seal with a polytetrafluo

Details Method of molding an elastomeric shaft seal with a polytetrafluo Method of molding an elastomeric shaft seal with a polytetrafluo

1983-10-06

1990-04-03

Shoap, Allan N.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

295271, 264268, 264275, 277153, 425DIG47, B29C 6502

Patent

active

RE0331929

ABSTRACT:
A shaft seal (and method for making the same) of the type having an annular elastomeric body, a molded lip, and the molded lip having a liner of sintered polytetrafluoroethylene bonded thereto. The elastomer is molded simultaneously with the polytetrafluoroethylene liner being formed and bonded to the elastomer. The method for making the seal employs the same mold used to make common, molded lip elastomeric seals.

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