Heavy duty bag having an easy opening spout, and method and appa

Details Heavy duty bag having an easy opening spout, and method and appa Heavy duty bag having an easy opening spout, and method and appa

1995-03-22

1997-06-10

Pascua, Jes F.

Flexible bags

Lifting or suspending element

383 29, 383207, 383209, 383906, B65D 3306, B65D 3336

Patent

active

056369255

ABSTRACT:
A plastic, heavy duty bag having an easy opening pouring spout, and a method and apparatus for forming a plastic, heavy duty bag having an easy opening pouring spout are disclosed. The bag includes a radially disposed perforation in the upper corner of the bag. Above a heat sealing strip, a slit is formed in the portion of the bag extending above the heat sealing strip, to aid in tearing through the heat seal strip to gain access to the perforation.

REFERENCES:
patent: 2499528 (1950-03-01), Reitzes
patent: 3173603 (1965-03-01), Neuman
patent: 3217770 (1965-11-01), Garth
patent: 3397835 (1968-08-01), Henning
patent: 3625351 (1971-12-01), Eisenberg
patent: 3670927 (1972-06-01), Hubbard
patent: 4285681 (1981-08-01), Walitalo et al.
patent: 4428485 (1984-01-01), Egli
patent: 4493127 (1985-01-01), Blanke, Jr. et al.
patent: 5226735 (1993-07-01), Beliveau
patent: 5482376 (1996-01-01), Moseley et al.

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