Method of forming tear-off bag supply
United States Patent 3194124

Inventors:
Harold, Warp
Publication Date:
07/13/1965
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Assignee:
FLEX O GLASS INC
Primary Class:
493/197
Other Classes:
493/198, 229/69, 493/199
International Classes:
B31B27/00
US Patent References:
2265075Method of making bags
2428266Cloth and paper bag
2444685Multiple fabrication method and apparatus for liquid-tight envelope bags
2745592Easy opening corrugated paperboard carton
3045891Continuous envelopes