Packaging techniques for semi-rigid packages

Details Packaging techniques for semi-rigid packages Packaging techniques for semi-rigid packages

1981-03-27

1982-09-21

Culver, Horace M.

Package making

With cover-adjunct application or formation

53511, 53133, 53559, 249117, B65B 4710, B65B 6118

Patent

active

043499996

ABSTRACT:
A package comprising a receptacle cup of semi-rigid plastic having a top of semi-rigid plastic sealed to flanges of the receptacle and formed inwardly to press against the packaged product and hold it in place with or without evacuation of the interior. Different techniques and apparatus are disclosed for forming such packages. Package configurations also are disclosed providing improved recloseable characteristics, wherein the semi-rigid nature of both the top and the cup are utilized to enable the reclosed top to be held securely in place.

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patent: 3709702 (1973-01-01), Mahaffy et al.
patent: 3997052 (1976-12-01), Eddy et al.
patent: 4101256 (1978-07-01), White et al.

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