Self-expanding and reclosable flexible pouch

Details Self-expanding and reclosable flexible pouch Self-expanding and reclosable flexible pouch

B - Operations, Transporting

65

D

B65D 33/25 (2006.01) B65D 33/00 (2006.01)

Patent

CA 2113273

A sealed, self-expanding, reclosable, flexible pouch (20) having a pair of extensible stays (50) located in the throat area of the pouch. The extensible stays (50) are biased toward a circular configuration but are initially held substantially flat in a stressed condition by the pouch's sealed top portion (31). When the pouch's top portion is removed, the the extensible stays (50) expand to their relaxed expanded configuration and thereby expand and open the throat area (52) of the pouch. An inwardly oriented male securement means (54) is attached to one extensible stay (50) and extends along the throat area (52) of the pouch. A complementary inwardly oriented female securement means (56) is attached to the other of the opposing extensible stays (50) and extends along the throat area of the pouch. The complementary male and female securement means (54, 56) permit the throat area (52) of the pouch (20) to be sufficiently closed after initial opening, thereby constraining the pouch's contents.

Sac souple (20) refermable, auto-expansible et scellé ayant une paire de supports extensibles (50) placés dans la zone de l'ouverture du sac. Les supports extensibles (50) sont amenés à une configuration circulaire, mais sont au départ maintenus substantiellement plats en état de tension par la partie supérieure scellée (31) du sac. Quand on enlève la partie supérieure du sac, les supports extensibles (50) se détendent et adoptent leur configuration d'expansion, ce qui fait ouvrir la zone de l'ouverture (52) du sac qui se met en expansion. Un moyen d'assujettissement mâle (54) orienté vers l'intérieur est fixé à l'un des supports extensibles (50) et s'étend le long de la zone de l'ouverture (52) du sac. Un moyen d'assujettissement femelle complémentaire (56) orienté vers l'intérieur est fixé à l'autre support extensible (50) et s'étend le long de la zone de l'ouverture du sac. Les moyens d'assujettissement mâle et femelle complémentaires (54, 56) permettent à la zone de l'ouverture (52) du sac (20) d'être suffisamment fermée après l'ouverture initiale pour que le contenu reste enfermé dans le sac.

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