Pressure release closures

Details Pressure release closures Pressure release closures

1977-10-04

1978-08-08

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

220271, B65D 4132

Patent

active

041051343

ABSTRACT:
A push-in pressure releasing resealable closure for an aperture in a sheet metal container member is disclosed, wherein the closure is integral through a connection of metal to the remainder of the container member. The closure is designed so that it is depressible into the container by flexing about the connection when push-in force is applied to the closure, without exceeding the elastic limit of the connection, so that the closure is returned at least substantially to its original position to seal the can contents, upon removal of the push-in force from the closure.
The closure is particularly suitable for use in containers for carbonated beverages, such as carbonated soft drinks and beer, so that the gas pressure within the container may be released without danger of substantial gushing or spurting, to permit a larger pouring opening in the container member to be opened.

REFERENCES:
patent: 3741432 (1973-06-01), Werth et al.
patent: 3972445 (1976-08-01), DeLenham

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