Package making – Progressively seamed cover web or web folds – With closing of web between package units
Patent
1985-06-14
1986-12-30
Coan, James F.
Package making
Progressively seamed cover web or web folds
With closing of web between package units
53158, 53239, 53555, 493196, 493931, B31B 4100, B65B 2910
Patent
active
046319050
ABSTRACT:
The bag making apparatus may have a bonding means for making bonded seams between webs of thermoplastic material. The bonding means includes first, second, and optionally third, sets of cooperating rotary or reciprocating, bonding members for making transverse and longitudinal seams. The apparatus includes seaming interrupting means which cooperates with one of the bonding means. The bonding means and interrupting means are arranged to cooperate together to form bags from the webs of thermoplastic material so that each bag has a sealed or sealable compartment for containing or containing a material for mixing, a pocket for measuring, and having a mouth opening between the interrupted seams, and a frangible barrier between the compartment and the pocket.
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patent: 2925719 (1960-02-01), Robbins et al.
patent: 3133480 (1964-05-01), Gerard
patent: 3390507 (1968-07-01), Repko
patent: 3540183 (1970-11-01), Bodolay et al.
patent: 3892060 (1975-07-01), Stanley, Jr.
Coan James F.
Johnsen, Jorgensen, Jaypak, Ltd.
Markva Neil F.
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