General purpose bag having film and mesh portions

Flexible bags – Wall details – Woven or mesh-type material

Reexamination Certificate

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Details

C383S009000, C383S102000

Reexamination Certificate

active

06932510

ABSTRACT:
A bag is made with a combination of mesh and film on both the front and back sides. For use with automatic filling machines, one side of the bag has a wicket strip with wicket holes to receive the wickets from the filling machines. If pneumatic or vacuum systems are used for bag opening, a fluid impervious assisting strip is bonded to the mesh wall at the bag mouth. A method of making such a bag includes the use of a continuous film web with adjacent continuous mesh webs. A linear seal joins the film web with the mesh webs after which the web is folded so that the free edges overlie each other. A transverse seal followed by a transverse cut results in a finished bag.

REFERENCES:
patent: 2565754 (1951-08-01), Brady et al.
patent: 3123279 (1964-03-01), Day
patent: 3257915 (1966-06-01), Pierre et al.
patent: 3348595 (1967-10-01), Stevens, Jr.
patent: 3474952 (1969-10-01), Cover, Jr. et al.
patent: 4196534 (1980-04-01), Shibamoto
patent: 4207983 (1980-06-01), Wolske
patent: 4403637 (1983-09-01), Rivelles Sabater et al.
patent: 4801081 (1989-01-01), O'Connor
patent: 5741076 (1998-04-01), Cammack
patent: 6185908 (2001-02-01), Madderom
patent: 6536951 (2003-03-01), Sill
patent: 002636821 (1978-02-01), None

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