Container closure

Details Container closure Container closure

1979-10-22

1981-03-17

Lowrance, George E.

Receptacles

Closures

Removable closure retained by ductile in situ deformation

206508, B65D 4310, B65D 2102

Patent

active

042562406

ABSTRACT:
A plastics material closure for attachment to the rim of a container.
The closure has a central well, an inverted first channel which borders the well, a non-inverted second channel that borders the first channel and an inverted third channel which borders the second channel and which is configured to seat on a ledge of a container to which the closure is intended to be fitted.
Wall portions of the first channel are interconnected so as to provide the closure with rigidity sufficient to permit the stacking of closure-fitted containers, but the wall portions of the second channel being free to move one relative to the other whereby the closure is provided with a capacity to flex under impact.

REFERENCES:
patent: 2978142 (1961-04-01), Novick
patent: 3307739 (1967-03-01), Cloyd
patent: 3409123 (1968-11-01), McCormick
patent: 3519163 (1970-07-01), Bardell
patent: 3840144 (1974-10-01), Dry
patent: 3954178 (1976-05-01), Mason

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