Paper and plastic bags flexible packages and other...

Details Paper and plastic bags flexible packages and other... Paper and plastic bags flexible packages and other...

2008-07-08

2008-07-08

Pascua, Jes F (Department: 3782)

Flexible bags

Bag having means to facilitate opening it by severing bag...

Including means for reclosing the bag

C383S005000, C383S061200, C383S063000, C383S066000

Reexamination Certificate

active

07396163

ABSTRACT:
A package or bag is provided with an easy open re-closable device for allowing ready access to the contents of the bag. The closure device is applied longitudinally in a vertical orientation in plastic bags but the closure device is spaced from the ends. In a layer paper bag, while the position of the closure device is preferably longitudinal, the closure device may have any orientation including a diagonal position. The closure device is incorporated in the fins of a fin bag and the closure devices extends longitudinally of the bag in a vertical direction. The process or making a multi layer paper material with a closure device incorporated therein is carried out in a continuous operation. The process of making zip-fin plastic bag or film containing the fins and closure are performed in a continuous operation.

REFERENCES:
patent: 4877336 (1989-10-01), Peppiatt
patent: 5080497 (1992-01-01), Peppiatt
patent: 6164826 (2000-12-01), Petkovsek
patent: 6213641 (2001-04-01), Price
patent: 6360513 (2002-03-01), Strand et al.
patent: 6481183 (2002-11-01), Schmidt
patent: 3-240650 (1991-10-01), None
patent: 3-240651 (1991-10-01), None

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