Rotary reciprocating seals with exterior metal band

Details Rotary reciprocating seals with exterior metal band Rotary reciprocating seals with exterior metal band

1997-12-12

1999-11-09

Mah, Chuck Y.

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

277564, 277566, 277569, 277572, 277575, F16J 1532

Patent

active

059799048

ABSTRACT:
A seal assembly is provided for rotary and reciprocating sealing between a shaft and a housing. The seal assembly includes a seal ring in the shape of an annulus having a body portion with an inside flange and an outside flange extending longitudinally therefrom. A body portion of the seal ring has a smooth cylindrical exterior surface and the seal ring is formed from a compressible moldable material. A spring is provided and disposed between the flanges for outwardly biasing the flanges from one another to enable sealing between the shaft and the housing. A band is provided and disposed externally around the body portion for holding the seal ring within the housing. A bond is provided between the band and the seal ring by way of striations and grooves which enable the seal ring material to compressibly mold into the band to provide a bond therebetween.

REFERENCES:
patent: 2635907 (1953-04-01), Heimbuch
patent: 3346265 (1967-10-01), Rhoads et al.
patent: 4655462 (1987-04-01), Balsells
patent: 5265890 (1993-11-01), Balsells
patent: 5326112 (1994-07-01), Paykin

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