Sealing device at pressure fluid cylinders

Details Sealing device at pressure fluid cylinders Sealing device at pressure fluid cylinders

1977-08-04

1979-08-21

Cohen, Irwin C.

Expansible chamber devices

Sealed opening in longitudinal wall of chamber for receiving...

92240, F01B 2900

Patent

active

041648935

ABSTRACT:
An improved sealing structure for a pressure fluid cylinder of the type comprising a cylinder, a longitudinal slot in the cylinder, and a driver attached to a piston movable in the cylinder, the driver extending through the slot. The sealing structure includes a strip positioned to overlie the slot in the sealing relation, the strip extending into sealing contact with the inside surface of the cylinder on opposite sides of the slot. That inside surface area of the cylinder which the strip overlies in sealing relation is provided with a cross-sectional radius greater than the cross-sectional radius of that cylinder surface area not in contact with the strip. Preferably the strip is chamfered on its inside surface toward its edges so that the height of the opposed strip edges is no greater than 0.1 mm.

REFERENCES:
patent: 2200427 (1940-05-01), Merz
patent: 2373455 (1945-04-01), Carey
patent: 2650571 (1953-09-01), Mitchell
patent: 2686402 (1954-08-01), Samuel
patent: 3221610 (1965-12-01), King et al.
patent: 3820446 (1974-06-01), Granbom et al.

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