Method of making multi-density composite gaskets

Details Method of making multi-density composite gaskets Method of making multi-density composite gaskets

1991-08-08

1994-03-29

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277235B, F16J 1512

Patent

active

052978060

ABSTRACT:
A method of forming a multiple density gasket is disclosed which includes the steps of moving both a first gasket material having a first lateral thickness, and a second gasket material having a second lateral thickness less than the first lateral thickness, along a path. Typically, a third gasket material is used, with the second material sandwiched between the first and third layers. The materials are compressed and gaskets are stamped from the compressed gasket material. The second material selectively forms higher density portions in the gasket. A unique gasket is formed by the above method wherein a higher density portion extends to the periphery of the gasket. In one embodiment the gasket is generally rectangular, with axial ends and lateral sides. The higher density portion extends between the axial ends of the gasket over a portion of the lateral width.

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