Manufacture of bags

Details Manufacture of bags Manufacture of bags

1974-12-03

1976-07-27

Coan, James F.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

93 84FF, 93 93HT, 93DIG1, 156515, B31B 2300

Patent

active

039712990

ABSTRACT:
A machine for making bags out of thermoplastics material including a rotating drum having pockets, a feed station including means for feeding material into the pockets at a predetermined rate to form loops, the rate of feed being linked to the rotational speed of the drum by a feed-back control means to ensure that the loops are of a predetermined size. The loops are welded and cut by a laser to form bags.

REFERENCES:
patent: 3004881 (1961-10-01), van der Meulen
patent: 3087040 (1963-04-01), van der Meulen
patent: 3790744 (1974-02-01), Bowen
patent: 3833446 (1974-09-01), Class
patent: 3867873 (1975-02-01), Simpson et al.

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