Vent plug

Details Vent plug Vent plug

1987-05-11

1988-03-08

Hall, George T.

Receptacles

Closures

Removable closure guided in rotary movement

220374, B65D 4104

Patent

active

047294914

ABSTRACT:
A plug, such as a vent plug for mounting in a hole in the wall of a machine element, e.g. the end wall of the rotor casing of a pump comprising a canned motor, comprising an outer cup provided with a support flange and an inner cup pressed into the outer cup and comprising a locking device. The locking device is preferably formed as a locking flange, e.g. in the form of part of a thread serving to interlock the plug and the wall. The distance between the locking device and a sealing face of the support flange or of a sealing element connected to the support flange is smaller than the axial displacement of the plug in connection with the engagement of the locking device with the wall.

REFERENCES:
patent: 3422982 (1969-01-01), Terwoerds et al.
patent: 4337875 (1982-07-01), Lyons
patent: 4512499 (1985-04-01), Uuskallio
patent: 4524881 (1985-06-01), Mierzwa

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