Package making – Methods – Enclosing contents within progressively formed web means
Patent
1990-01-29
1991-08-13
Culver, Horace M.
Package making
Methods
Enclosing contents within progressively formed web means
53551, 53552, B65B 912, B65B 914
Patent
active
050385500
ABSTRACT:
A vertical form, fill and seal machine has a pair of transverse heat sealing jaws adapted to collapse a tubular film, a pair of spreader fingers, and at least one pair of detucker fingers to pinch a longitudinal edge of the tubular film and urge the pinched tubular film away from the other longitudinal edge of the film.
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Perrett Arnold E.
Wirsig Ralph C.
Culver Horace M.
Du Pont Canada Inc.
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