Machine and method for forming, filling, and sealing packages of

Details Machine and method for forming, filling, and sealing packages of Machine and method for forming, filling, and sealing packages of

1979-06-11

1981-06-09

Culver, Horace M.

Cutting

With means to stretch work temporarily

83328, B26D 714, B26D 520, B26D 206

Patent

active

042717396

ABSTRACT:
A method of packaging and machine capable of continuously forming an array of packages from a double web film. A first web is fed over a rotating thermoforming drum which vacuum forms a plurality of pouches for receiving a product to be packaged, and a second web, maintained under constant pressure, is progressively disposed in sealing relation to the peripheral edges of the formed pouches in the first web as the pouches approach a vertical position while the product is simultaneously introduced into the progressively formed package at a rate not exceeding the volume of the package as it is formed.

REFERENCES:
patent: 2612950 (1952-10-01), Ewing
patent: 3128548 (1964-04-01), Zelisko
patent: 3169430 (1965-02-01), Mallie et al.
patent: 3264920 (1966-08-01), Hallden
patent: 3673905 (1972-07-01), Kono

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