Seal for a cylinder-piston arrangement

Details Seal for a cylinder-piston arrangement Seal for a cylinder-piston arrangement

1980-04-03

1982-07-06

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

42102, B21D 2212, F16J 152

Patent

active

043379559

ABSTRACT:
The tubular sealing element consisting of flexible material, between a cylinder and a piston as working members for the formation of a pressure working space is connected by a connection of the substance of the material, in particular by a vulcanized connection (10) to one working member (1) which forms a bearing surface (4) for the sealing element under the action of the working pressure. This connection makes possible secure closure and gentle introduction of the stresses into the flexible material of the seal. Preferably the connection area (11) of the working member (1) is made toroidal with a uniformly curved profile, whereby stress concentrations in the connection region are reduced. In addition a compressive prestress of the material of the seal may be provided in the connection region between corresponding solid bodies (1a, 11a) with the advantage of the additional safety and the closure of the connection of the substance of the material, against attack by a lubricant introduced if necessary between the bearing surface (4) and the sealing tube (3).

REFERENCES:
patent: 1964745 (1934-07-01), Sauzedde
patent: 3949583 (1976-04-01), Syuakari
patent: 4109535 (1978-08-01), Reed
patent: 4215869 (1980-08-01), Pennzeton

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