Vertical form/fill/seal machine for making three side fin pouche

Details Vertical form/fill/seal machine for making three side fin pouche Vertical form/fill/seal machine for making three side fin pouche

1988-11-18

1990-08-14

Culver, Horace M.

Package making

Methods

Enclosing contents within progressively formed web means

53551, 493193, B65B 920, B65B 908

Patent

active

049476211

ABSTRACT:
A vertical form, fill, seal machine for continuously making filled three sided fin pouches is disclosed herein. Mechanisms for controlling the thermoplastsic web so that the seals are improved are disclosed. One of the mechanisms ensures that equal lengths of web are fed into the sealing jaws. The other mechanism that is carried by the jaws grasps and tensions the web immediately before and during the sealing of the web.

REFERENCES:
patent: 3052074 (1962-09-01), Dreeben
patent: 3482373 (1969-12-01), Morris
patent: 3894381 (1975-07-01), Christine et al.
patent: 4246062 (1981-01-01), Christine
patent: 4534159 (1985-08-01), Kelly
patent: 4583352 (1986-04-01), Heron
patent: 4676051 (1987-06-01), Hoskinson et al.
patent: 4745731 (1988-05-01), Talbott et al.
patent: 4829745 (1989-05-01), Behr et al.
patent: 4829746 (1989-05-01), Schmidt et al.

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