Spiral wound gasket bridged to guide ring

Details Spiral wound gasket bridged to guide ring Spiral wound gasket bridged to guide ring

1996-05-21

1997-09-09

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 11, 277180, F16J 1512

Patent

active

056647913

ABSTRACT:
A spiral wound gasket for sealing between sections of pipe and which includes means for preventing buckling of the spiral winding during compression. The gasket includes a solid outer guide ring for limiting compression of the gasket and positioning the gasket in the pipe. The spiral winding is constructed of a metal band interspersed with a sealant material. The outer diameter of the spiral winding is less than the inner winding of the guide ring creating a gap therebetween. In order to bridge the gap to maintain connection between the winding and guide ring, an outer section of winding is looped to engage the guide ring. These loops biasingly bridge the gap allowing radially outward expansion of the winding as the gasket is sealingly compressed thereby preventing buckling of the spiral winding.

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