Method and device for manufacturing and positioning upon a conta

Details Method and device for manufacturing and positioning upon a conta Method and device for manufacturing and positioning upon a conta

1987-06-29

1989-03-14

Sipos, John

Package making

Methods

Closing package or filled receptacle

53488, 53297, 53300, 53329, B65B 728, B65B 5110

Patent

active

048115509

ABSTRACT:
The present invention relates to a method for manufacturing and positioning upon a container, an undercut thermoplastic lid, made from a thermoplastic band.
According to the invention, in said method the upper part of the container support as well as the upper part of the container which extends from the upper end of said container support are used as stamping die or male forming mold, and the part of thermoplastic band defined by the lower edge of the bell is applied against the outer face of the upper parts of the container and of its support under a gas excess pressure created inside an enclosure closed and defined by the ball and the thermoplastic band.

REFERENCES:
patent: 2012529 (1935-08-01), Eudredge
patent: 3688464 (1972-09-01), Fox
patent: 3724161 (1973-09-01), Vermeulen
patent: 4282699 (1981-08-01), Embro
patent: 4362002 (1982-12-01), Rowland

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