B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 30/08 (2006.01) B29C 53/38 (2006.01) B29C 65/02 (2006.01) B29C 65/50 (2006.01) B31B 39/00 (2006.01)
Patent
CA 2374321
The present invention provides a freezer bag (10) comprising a multi-layered bag having at least one liner film (14) and an outer support bag (12). The liner film(s) have a first sidewall (32) and a second sidewall (321) attached along respective lateral edges forming edge seals (18, 181), each sidewall having a top edge, the outer support bag having two sidewalls (32, 321) attached together along respective lateral edges forming edge seals, each sidewall having top edges defining the opening to the multi-layered bag and the support bag having a folded edge (20) defining the bottom of the multi-layered bag, the top edge of at least one liner film being attached to an inner surface of the respective sidewall of the support bag wherein the liner film(s) are thermoplastic.
L'invention porte sur un sac de congélation (10) à plusieurs couches dont au moins une couche de doublure (14) et une couche support (12) extérieure. La ou les couches de doublure comprennent au moins une première paroi latérale (32) et une deuxième paroi latérale (321), fixées aux bords latéraux correspondant et formant des joints de bordure (18, 181), chacune de ces parois comportant un bord supérieur. La couche support comprend deux parois latérales (32, 321), fixées aux bords latéraux correspondant et formant des joints de bordure, chacune de ces parois comporte un bord supérieur délimitant l'ouverture du sac. Le support comporte une bordure repliée (20) délimitant le fond du sac, le bord supérieur de la ou des couches de doublure étant fixé à la surface intérieure des côtés correspondants de la couche support. La doublure est faite d'un matériau thermoplastique.
Dawkins Richard
Price William D.
Saad Zain E. M.
Smith David A.
Stanos Lawrence C.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
S.c. Johnson Home Storage Inc.
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