Removable freeze plug

Details Removable freeze plug Removable freeze plug

1983-08-26

1985-01-22

Lowrance, George E.

Receptacles

Closures

Externally adjustable plug or gasket

B65D 5304

Patent

active

044946708

ABSTRACT:
A core plug includes a shoulder which provides a fixed stop against which a expandable dished member is pressed to positively set the expanded diameter of the core plug.

REFERENCES:
patent: 996461 (1911-06-01), Costa
patent: 1949498 (1934-03-01), Stone
patent: 3361288 (1968-01-01), Dorman
patent: 3430801 (1969-03-01), Homrig
patent: 3901167 (1975-08-01), Reese

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