Packaging machine with variable sealing jaw displacement apparat

Details Packaging machine with variable sealing jaw displacement apparat Packaging machine with variable sealing jaw displacement apparat

1987-06-22

1988-09-06

Culver, Horace M.

Package making

Methods

Enclosing contents within progressively formed web means

53 75, 53551, B65B 912, B65B 5700

Patent

active

047683279

ABSTRACT:
A vertical form, fill and seal packaging machine is characterized by a sealing apparatus which provides for variable sealing jaw displacement having an externally selectable magnitude. The sealing apparatus also includes a displacement sensor for providing feedback signals indicative of a measured sealing jaw displacement.

REFERENCES:
patent: 2915866 (1959-12-01), Bartlo
patent: 4532753 (1985-08-01), Kovacs
patent: 4537012 (1985-08-01), Groom et al.
patent: 4546596 (1985-10-01), Cherney
patent: 4549386 (1985-10-01), Wilson
patent: 4563862 (1986-01-01), McElvy

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