B - Operations – Transporting – 60 – P
Patent
B - Operations, Transporting
60
P
B60P 7/16 (2006.01) B60P 7/06 (2006.01) B61D 45/00 (2006.01) B63B 25/24 (2006.01) B65D 81/05 (2006.01)
Patent
CA 2202122
An inflatable dunnage bag is comprised of a first and independently sealed bag that is inserted within a paper tube before the tube ends are sealed to form a second, independent bag. The combination of an inner bag within an outer bag provides increased bursting strength compared to similar ply bags created as only a single bag. The combination bag is much easier to construct since at least two plies of paper that are pressed to form the inner bag are no longer part of the bag end folding and sealing process. This is especially true if the outer bags ends are sealed by stitching them together.
Sac de calage gonflable comprenant un premier sac hermétique inséré à l'intérieur d'un tube de papier avant de sceller les extrémités du tube pour former un deuxième sac indépendant. La combinaison d'un sac intérieur à l'intérieur d'un sac extérieur fournit une résistance à l'éclatement améliorée, comparativement à un sac semblable à une épaisseur configuré en sac unique. Le sac combiné est plus facile à fabriquer puisqu'au moins deux épaisseurs de papier pressées pour former le sac intérieur ne font plus partie du procédé de pliage et de fermeture des extrémités du sac. Ceci est spécialement valable si les extrémités des sacs extérieurs sont cousues ensemble.
Goshorn Douglas A.
King Gregory S.
Zentmyer Hugh J.
Finlayson & Singlehurst
Illinois Tool Works Inc.
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