Square ended bag

Details Square ended bag Square ended bag

1981-09-14

1984-06-12

Culver, Horace M.

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

53468, 493936, 493929, B65B 4308, B65B 4304, B31B 4904, B31B 122

Patent

active

044533705

ABSTRACT:
Open mouth square ended bags are formed from a tube-like band and in a chain with the back wall and top end of each bag partially sealed together from each side wall to provide an open mouth therebetween. Each bag in turn may be filled through the mouth located between the back wall and top end, the bag expanding forwardly from the back wall by expanding gussets in the top and bottom ends.

REFERENCES:
patent: 3395622 (1968-08-01), Kugler
patent: 3534666 (1970-10-01), Maccherone
patent: 3537360 (1970-11-01), Farnam
patent: 3599538 (1971-08-01), Piazze
patent: 3646856 (1972-03-01), Worndl
patent: 3855907 (1974-12-01), Johnson et al.
patent: 3896708 (1975-07-01), De Vries
patent: 3896709 (1975-07-01), Brinkmeier
patent: 4216639 (1980-08-01), Gautier

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