Evacuable chamber enclosing

Details Evacuable chamber enclosing Evacuable chamber enclosing

1986-05-08

1987-06-16

Hall, George T.

Receptacles

Closures

Having means for securing or retaining closure in its closed...

220260, B65D 4324

Patent

active

046731016

ABSTRACT:
An evacuable vessel having a heavy cylindrical wall seated on a generally square base has a heavy cover hinged at one end to a hinge support attached to the wall. The cover is bolted to the wall in the closed position and sealed by an O-ring. The hinge bolts are seated in a slotted hole to allow the cover to pivot about the O-ring when closing. Adjustable set screws may be used to tighten the hinge arms and introduce a selected degree of friction. Springs are connected between the outside end of each hinge arm and the base.

REFERENCES:
patent: 4097145 (1978-06-01), Luperti et al.
patent: 4362118 (1982-12-01), Koch, Jr. et al.
patent: 4365893 (1982-12-01), Kimura et al.
patent: 4372461 (1983-02-01), Lerman et al.

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