Cutting – With means to control or modify temperature of apparatus or...
Patent
1986-11-07
1988-09-06
Culver, Horace M.
Cutting
With means to control or modify temperature of apparatus or...
83695, 53552, 53373, 53133, 493470, 493930, B65B 6118, B32B 3100
Patent
active
047684119
ABSTRACT:
A bag and a method and apparatus for forming an easy open bag in a vertical form-fill-seal process wherein a bag is formed from a sheet of thermoplastic film and a heat seal betwee bags as they are filled serves as the top closure for the lower bag and a bottom closure for the upper bag, the easy open feature being provided by easy tear slots which are cut at acute angles in both the bottom seal of a bag and the top so that an opening corner of the bag may be torn in either the top or bottom of the bag.
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Culver Horace M.
Lee, Jr. William D.
Quatt Mark B.
Toney John J.
W. R. Grace & Co., Cryovac Div.
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