Stand-up pouch having cross-seal feature and method of making

Details Stand-up pouch having cross-seal feature and method of making Stand-up pouch having cross-seal feature and method of making

B - Operations, Transporting

65

D

B65D 30/10 (2006.01) B31B 29/00 (2006.01) B65D 30/24 (2006.01) B65D 33/08 (2006.01) B65D 33/38 (2006.01) B65D 75/00 (2006.01)

Patent

CA 2083178

A one-piece flexible-plastic fluid container (130) comprising a bottom (135) and sidewalls (132, 133) that are unitary with the bottom (135). Each sidewall (132, 133) includes edge margins disposed transverse to the bottom (135) and an end margin located in distal relation to the bottom (135). The edge margins of one sidewall(132), when joined to the edge margins of the other sidewall (133), define a pair of spaced-apart fluid-tight sideseams (136, 138). Each sideseam (136, 138) has a respective end portion (140, 142) that is opposite the bottom (135). A portion of each sidewall end margin (144, 146) when joined to the respective remainder portion (145, 147)thereof and the sideseam end portions (140, 142) opposite the bottom (135) when joined together collectively define a fluid-tight endseam (150). The pouch (130) further comprises a sleeve (137) which is unitary with the bottom (135) and the sidewalls (132, 133) and which circumscribes the bottom (135). The container is stiff enough to stand upright on a horizontal surface.

Récipient à liquide (130) en plastique souple comportant un fond (135) et des parois (132, 133) fabriqués d'une seule pièce. Chacune des parois (132, 133) comporte des bordures latérales perpendiculaires au fond (135) et une bordure d'extrémité à l'extrémité opposée au fond (135). L'assemblage des bordures latérales de l'une des parois (132) avec les bordures correspondantes de l'autre paroi (133) forme une paire de joints latéraux étanches (136, 138). En joignant une partie des bordures d'extrémité (144, 146) des parois à la partie restante desdites bordures (145, 147) ainsi que l'extrémité supérieure des deux joints latéraux (140, 142), on obtient un joint d'extrémité (150) étanche. Le sac (130) comporte en outre un manchon (137) formé d'une seule pièce avec le fond (135) et les parois (132, 133) et entourant le fond (135). Le récipient est suffisamment rigide pour se tenir debout sur une surface horizontale.

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