Hermetically self sealing gasket for high vacuum fasteners

Details Hermetically self sealing gasket for high vacuum fasteners Hermetically self sealing gasket for high vacuum fasteners

1977-11-04

1979-02-06

Frazier, Roy D.

Supports

Brackets

Specially mounted or attached

248363, 269 21, F16B 4700

Patent

active

041380800

ABSTRACT:
A vacuum-actuated holding device is provided for securing an article having a relatively flat surface against a support having a relatively flat surface and which is capable of maintaining adhesion between the flat surfaces of the article and support for a prolonged period of time by means of an external vacuum source having a needle valve pin. The device has a rubber gasket positionable between the flat surfaces of the article and support in abutting relationship therewith. The gasket has an inner periphery defining a vacuum retaining area and a hermetically self-sealing, radially extending slit formed therethrough in which the needle valve pin of the external vacuum source may be inserted to communicate with the vacuum retaining area and to effect evacuation thereof. The slit is hermetically sealed upon withdrawal of the pin so as to maintain the established vacuum.

REFERENCES:
patent: 3134208 (1964-05-01), Richmond
patent: 3377096 (1968-04-01), Wood
patent: 3460254 (1969-08-01), Sheuer

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