Plastic container having inwardly formed flange

Details Plastic container having inwardly formed flange Plastic container having inwardly formed flange

1984-08-01

1986-02-25

Hall, George T.

Receptacles

Closures

Removable closure retained by ductile in situ deformation

150 55, B65D 3900

Patent

active

045723990

ABSTRACT:
A plastics container has a side wall and a rim portion moulded in one piece with the side wall. The rim portion is joined to the side wall by an integral hinge portion on which it can be folded inwardly of the container. Thereby a container having an inwardly projecting rim or retaining tabs can be readily produced as a one-piece moulding. Preferably, the side wall and rim portion are inwardly concave, whereby the rim portion can be held in its inwards position by forces caused by folding.

REFERENCES:
patent: 3941300 (1976-03-01), Troth
patent: 4171062 (1979-10-01), Allen et al.
patent: 4307817 (1981-12-01), Cotraneo

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