Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container
Patent
1994-09-19
1996-01-16
Lavinder, Jack W.
Manufacturing container or tube from paper; or other manufacturi
Container making
Pliable container
493204, 493926, B31B 2386, B31B 2760
Patent
active
054843766
ABSTRACT:
A thermoplastic film bag pack where each bag has a bottom, front, rear, and gusseted side walls, an inside and outside surface and a cut-edge mouth portion. The mouth portion has double film loop handles as integral extensions of the walls at its opposite ends. The external surface of the bag at the cut-edge region of the mouth between handles has been subjected to a corona discharge treatment to such an extent that adjacently facing cut-edge regions will be releasably adherent until a moderate force separates them. This condition provides for effective dispensing of grocery bags. A method of forming the bags and a system for dispensing is also disclosed.
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"Mechanism of Corona-Induced Self-adhesion of Polyethylene Film" by D. K. Owens, Journal of Applied Polymer Science, vol. 19, pp. 265-271 (1975).
Prader Randolph D.
Smith Graham
Day Christopher W.
Hager Jr. George W.
Hallman, Jr. Clinton H.
Lavinder Jack W.
McKillop Alexander J.
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