B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 33/20 (2006.01) B29C 65/50 (2006.01) B65D 33/25 (2006.01)
Patent
CA 2187786
A reseable flexible thermoplastic bag including a front wall (21) and a back wall (22), said walls being joined along the major portions of their opposite longitudinal edges and bottom; an open mouth adjacent to the top edge of said bag; a closure near the open mouth of said bag including an adhesive strip (30) affixed to a first inner surface of one of a front wall or rear wall of a bag at a preselected distance from the opening of the bag; and a flap member strip (40) affixed to a second inner surface of one of a front wall or rear wall of a bag at a preselected distance from the opening of the bag; said flap member of said bag being pressable against and into said adhesive strip on said first inner surface, whereby a seal is formed by contacting said adhesive strip with said flap member of said second inner surface.
La présente invention concerne un sac thermoplastique souple caractérisé par une paroi avant (21) et une paroi arrière (22) réunies par le fond et le long de la majeure partie de leurs bords longitudinaux opposés. Une embouchure ménagée à proximité bord supérieur du sac comporte en son voisinage une fermeture constituée d'une bande adhésive (30) fixée sur la première face interne de l'une des parois (celle de devant ou de derrière) à une distance spécifique mesurée à partir de l'ouverture du sac. Un rabat (40) fixé sur la seconde face interne de l'une des parois (celle de devant ou de derrière) peut s'appliquer par pression contre et dans la bande adhésive de la première face interne, le contact entre la bande adhésive et le rabat de la seconde face interne constituant ainsi une fermeture étanche.
Dais Brian C.
Porchia Jose
Dowbrands Inc.
S. C. Johnson Home Storage Inc.
Smart & Biggar
LandOfFree
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