Openable bag

Details Openable bag Openable bag

1987-03-17

1991-08-27

Garbe, Stephen P.

Special receptacle or package

With pallet feature

Knockdown or collapsible type

383 61, 206610, B65D 3324

Patent

active

RE0336742

ABSTRACT:
A plastic film structure for forming a bag including a sheet of thin plastic film with continuous shaped interlocking rib and groove profiles thereon either integral with the film or on strips which are fused to the film with the sheet having plastic reinforcing strips thereon between the profiles with the reinforcing strips providing tear guidelines for tearing off the top of a bag formed from the sheet to thereafter provide gripping flanges for separating the profiles and opening the bag.

REFERENCES:
patent: 2665834 (1954-01-01), Anglada
patent: 3198228 (1965-08-01), Naito
patent: 3291377 (1966-12-01), Eggen
patent: 3338284 (1967-08-01), Ausnit
patent: 3371696 (1968-03-01), Ausnit
patent: 3381592 (1968-05-01), Ravel
patent: 3387766 (1968-06-01), Kugler
patent: 3446632 (1969-05-01), Le Van
patent: 3473589 (1969-10-01), Gotz
patent: 3543343 (1970-12-01), Staller et al.
patent: 3543901 (1970-10-01), Repko et al.
patent: 3616990 (1971-11-01), Powell
patent: 3619395 (1971-11-01), Skendzic
patent: 3625270 (1971-12-01), Skendzic
patent: 3633642 (1972-01-01), Siegel
patent: 3652006 (1972-03-01), Trewella

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