Spiral gasket having a centering spring

Details Spiral gasket having a centering spring Spiral gasket having a centering spring

1995-07-11

1997-03-11

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277162, 277204, 277233, 277235R, F16J 1512

Patent

active

056093446

ABSTRACT:
A spiral gasket apparatus, capable of being held on an inclined flue gas outflow pipe without falling off therefrom, is constructed by winding a metal hoop member and a filler member, superposed on each other. A part of the hoop member from the beginning extremity of the hoop member on the inner side, which is wound as many as several turns to a welded fixed portion thereof, is raised inward by using the welded fixed portion as a fulcrum. An extremity portion thereof is folded back to form a superposition part. Since the raised part of the hoop member acts as a spring and is brought elastically into contact with an inclined flue gas outflow pipe, the gasket is held on the flue gas outflow pipe.

REFERENCES:
patent: 1694311 (1928-12-01), Clark
patent: 1831574 (1931-11-01), Norton
patent: 2311557 (1943-02-01), Mason
patent: 2339479 (1944-01-01), McCreary
patent: 2520089 (1950-08-01), Lippincott
patent: 5161807 (1992-11-01), Allen et al.
patent: 5308090 (1994-05-01), Hamada et al.

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