Method of making bags

Details Method of making bags Method of making bags

1978-02-16

1979-08-14

Coan, James F.

93 35R, B31B 4904

Patent

active

041641701

ABSTRACT:
There is provided a method of manufacturing a string of bags from a hose-like blank. The blank is cut along a wave-shape line substantially centrally between two opposed long edges of the blank, to form two blank-halves. Welds are made adjacent selected wave-tops and wave-bottoms of the wave-shape line to form bag handles, and further welds are made perpendicularly to said wave-shape line at selected distances apart to form said string of bags. Separation lines are made adjacent said further welds to bundle a bag to be separated from the string of bags thus formed.

REFERENCES:
patent: 2903947 (1959-09-01), Weisshuhn
patent: 3548723 (1970-12-01), Sengewald

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