Method of making reclosable sealed package

Details Method of making reclosable sealed package Method of making reclosable sealed package

1989-07-14

1990-09-18

Spruill, Robert L.

Package making

Methods

With contents treating

53410, 53450, 53453, 156292, B65B 904, B65B 3102, B65B 4700

Patent

active

049569627

ABSTRACT:
A resealable hermetically sealed package for food products has the product contained between two sheets of thermoplastic material which are sealed together by a permanent heat fused seal about the product except for one edge along which the sheets are adhesively glued together by an easily peeled resealable seal. The process for manufacturing the product forms the adhesive seal prior to the permanent seals in an area remote from that in which evacuation and the final seal occurs. Thus, the final sealing and evacuation of the package is performed in the absence of adhesive so that no adhesive can be drawn into evacuation slots so as to economically produce the product.

REFERENCES:
patent: 3673760 (1972-07-01), Canamero et al.
patent: 4365716 (1982-12-01), Watt
patent: 4415087 (1983-11-01), Clayton et al.
patent: 4502599 (1985-03-01), Perecman
patent: 4572377 (1986-02-01), Beckett
patent: 4674634 (1987-06-01), Wilson
patent: 4819409 (1989-04-01), Mahaffy et al.

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