Package making – Apparatus for forming or partially forming receptacle and... – Forming a pocket or pouch by folding and side sealing
Patent
1983-05-31
1985-08-13
Coan, James F.
Package making
Apparatus for forming or partially forming receptacle and...
Forming a pocket or pouch by folding and side sealing
53386, 53570, 493256, B65B 4330
Patent
active
045341583
ABSTRACT:
A packaging machine for forming pouches from a continuous web having confronting sections adapted to provide opposed walls of the formed pouches. The machine includes sealing means for sealing the opposed bag walls together in longitudinally spaced-apart regions to provide the side seals of the formed pouches, and a cutting section for cutting the discrete pouches from the sealed continuous web. The machine has positively driven feed means for directing the continuous web material through the cutting means, and the feed means is adjustable in the machine-direction of movement of the web material for controlling the width of the pouches to be formed. Drive means are associated with the driven feed means and include elements movable with the feed means when the feed means is adjusted to thereby automatically change the speed of the feed means to direct the desired amount, or length of sealed web material past the cutting means between operating strokes of the cutting means. Most preferably, the cutting and feed means are retained on connected supporting structure forming a sub-assembly of the machine to thereby cause the cutting and feed means to be adjusted as a single unit.
REFERENCES:
patent: 2272251 (1942-02-01), Robinson
patent: 2330361 (1943-09-01), Howard
patent: 4035988 (1977-07-01), Daniels
patent: 4108300 (1978-08-01), Hayase et al.
patent: 4344269 (1982-08-01), Dieterlen et al.
Coan James F.
Wrap-ade Machine Company, Inc.
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