Method and apparatus for forming sealed packages

Details Method and apparatus for forming sealed packages Method and apparatus for forming sealed packages

1974-09-03

1977-08-30

Simpson, Othell M.

Package making

With cover-adjunct application or formation

By printing

53234, 53373, 93 12C, 93 441R, B65B 502

Patent

active

040445283

ABSTRACT:
A method and apparatus adapted for automatically and continuously forming a completely sealed package having fin type seals and made from a heat-sealable wrapping foil. The process basically embodies the steps of holding a portion of the foil adjacent the article to be packaged, folding the remaining portion of the foil about the article to be packaged so that opposing side edges of the foil are moved towards each other, heat sealing together the opposed side edges of the foil to form a side fin seal, forming a bottom fin from the foil for the package, heat sealing the bottom fin to form a bottom fin seal, forming a top fin from the foil for the package, and heat sealing the top fin to form a top fin seal.

REFERENCES:
patent: 2179685 (1939-11-01), Chalmers
patent: 2196666 (1940-04-01), Moore
patent: 2603047 (1952-07-01), Malhiot
patent: 2603925 (1952-07-01), Moore
patent: 2966832 (1961-01-01), Vergobol
patent: 3041941 (1962-07-01), Danielzig
patent: 3089298 (1963-05-01), Neuendorf
patent: 3136104 (1964-06-01), Geer et al.
patent: 3200555 (1965-08-01), Liedtke
patent: 3220161 (1965-11-01), Lohse
patent: 3407916 (1968-10-01), Engeler
patent: 3802325 (1970-04-01), Bardenhagen
patent: 3805477 (1974-04-01), Kruse

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