Package making – Methods – Forming a cover adjunct or application of a cover adjunct to...
Patent
1987-12-10
1989-06-20
Culver, Horace M.
Package making
Methods
Forming a cover adjunct or application of a cover adjunct to...
53412, 53451, 53128, 53133, 53552, 226172, B65B 920, B65B 6100, B65B 6118, B65B 4112
Patent
active
048400122
ABSTRACT:
A method and mechanism for advancing a continuous length of bag making plastic film having a reclosable fastener strip extending therealong with a filling tube over which the film is formed, means for sealing the edges of the film over the filling tube, opposed pairs of advancing belts for pressing the film against the tube and driving it incrementally downwardly, means for guiding the fastener between the belts of one of the pairs and means for driving the belts incrementally to move the film downwardly as it is filled and cross-sealed.
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Culver Horace M.
Zip-Pak Incorporated
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