B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
B31B 41/00 (2006.01) B31B 27/00 (2006.01) B65D 30/22 (2006.01) B65D 33/25 (2006.01)
Patent
CA 2490698
A method of making a multicompartment reclosable thermoplastic bag (10) having at least two compartments (15, 16) is disclosed. Each compartment (15, 16) has a top, a bottom (17, 18), two side edges, and two opposing sidewalls (11, 12, 13, 14) joined at the side edges and the bottom. Each compartment (15, 16) has a closure (31, 32) across the top thereof, which are arranged back-to-back and aligned. The compartments (15, 16) are attached together proximate the tops of the compartments, and the bottoms (17, 18) of the compartments are free from being attached to each other. Processes for making such bags from one or more webs are also disclosed.
L'invention porte sur un sac thermoplastique refermable (10) à au moins deux compartiments (15, 16), présentant chacun un sommet, une base (17, 18), deux bords latéraux et deux parois latérales (11, 12, 13, 14) opposées. Chaque compartiment (15, 16) comporte en son sommet une fermeture (31, 32) transversale, lesdites fermetures étant disposées dos à dos et alignées. Les compartiments sont reliés ensemble par leurs sommets, tandis que leurs bases (17, 18) peuvent l'être ou non. L'invention porte également sur des procédés de fabrication desdits sacs à l'aide d'une ou de plusieurs bandes.
Dawkins Richard R.
Price William D.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
S.c. Johnson Home Storage Inc.
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