Manufacture of thermoplastic bags

Details Manufacture of thermoplastic bags Manufacture of thermoplastic bags

1981-09-21

1984-05-29

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493196, 493926, B31B 2314, B31B 198

Patent

active

044512490

ABSTRACT:
A bag-making machine is disclosed for producing bags from thermoplastic web material. A device (86) for grasping and transferring web segments in an arcuate path for reception by an accumulating device (88) serves to grasp adjacent opposed edges and transfers them through an arc to an accumulating device which includes posts (90).
Accumulation of web segments occurs on a bag stack accumulating and transporting device located between laterally spaced radially projected arms of the web transfer device and it includes an indexing system (94) for translating the stacking posts away from the stacking station. The web segments are subsequently cut and/or joined along a line located centrally of the web segments at a station (102) to thereby produce two individual stacks of bags.

REFERENCES:
patent: 4181069 (1980-01-01), Porter
patent: 4198260 (1980-04-01), Mundus et al.
patent: 4270908 (1981-06-01), Lehmacher
patent: 4308021 (1981-12-01), Achelpohl
patent: 4342564 (1982-08-01), Lehmacher
patent: 4371365 (1983-02-01), Shingo

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