Multilayer seal

Details Multilayer seal Multilayer seal

1978-05-10

1980-01-29

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

92250, F16J 1520

Patent

active

041858409

ABSTRACT:
A multilayer seal comprising a stack of rings, some being made of elastomeric material and some being made of more rigid material, such as a metal. The elastomeric and rigid rings alternate in the axial direction of the stack, and the elastomeric rings are progressively thinner in the axial direction of the stack. Each ring is preferably bonded to the next successive ring in the stack. When the seal is in place between two opposed surfaces to be sealed against fluid pressure, the thickest of the elastomeric rings is arranged nearest the higher pressure end of the opposed surfaces.

REFERENCES:
patent: 2009423 (1935-07-01), Wheeler
patent: 2676075 (1954-04-01), Stone
patent: 3318607 (1967-05-01), Wilson
patent: 3469855 (1969-09-01), Enting

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