Easy opening device for vacuum packed pouch packed as a "Bag-in-

Details Easy opening device for vacuum packed pouch packed as a "Bag-in- Easy opening device for vacuum packed pouch packed as a "Bag-in-

1990-12-28

1992-01-28

Marcus, Stephen

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220258, 220270, 220276, 220359, B65D 9004

Patent

active

050836757

ABSTRACT:
A removal element is superposed on and joined to the periphery of an aperture which is preformed or precut on one face of a bag constituting part of a Bag-in-Box package.
A supporting framework is superposed on the removable element, certain edges of which framework, preferably two, approximately coincide with the edges of the removable part, while the other edges of the latter are covered by the body of the framework.
A margined corner of the removable part is left free to be grasped by the user in order to initiate the detachment and the tearing of the removable part. In order to facilitate the tearing, notches are provided, which are formed on one edge of the removable part. The tearing proceeds along the edges of the framework which cover the removable part so as to uncover, partially or entirely, the preformed or precut aperture which is present on one face of the bag.

REFERENCES:
patent: 22247 (1858-12-01), Taylor
patent: 1882343 (1932-10-01), Troth
patent: 2912702 (1959-11-01), MacKenzie
patent: 3768719 (1973-10-01), Johnson
patent: 3944127 (1976-03-01), Bruke et al.
patent: 4350250 (1982-09-01), Peters
patent: 4585143 (1986-04-01), Fremow et al.
patent: 4724979 (1988-02-01), Cleevely et al.
patent: 4736870 (1988-04-01), Christensson
patent: 4978056 (1990-12-01), Ball et al.
patent: 5007231 (1991-04-01), Ingemann

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