B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 81/05 (2006.01) B29D 22/02 (2006.01)
Patent
CA 2242943
An inflatable dunnage bag comprises a first inflatable inner bag comprising an inflatable bladder surrounded by a pair of paper plies, and a second outer bag comprising two sets of paper plies disposed upon opposite sides of the first inner bag. The two sets of paper plies comprising the second outer bag are longitudinally offset with respect to each other so as to form flap members on first ends of each set of paper plies which overhang respective second ends of the opposite set of paper plies. The flap members are respectively folded over the second ends of the opposite set of paper plies as single entities and secured thereto by predetermined hot melt adhesive and cold glue bead patterns. The dunnage bag is thus particularly adaptable to being fabricated by automated equipment.
Cette invention concerne un sac de fardage gonflable formé d'un premier sac intérieur gonflable grâce à une vessie interposée entre deux épaisseurs de papier et d'un second sac extérieur formé de deux jeux d'épaisseurs de papier placés sur les faces opposées du sac intérieur. Les deux jeux d'épaisseurs de papier formant le sac extérieur sont décalés longitudinalement l'un par rapport à l'autre de manière que le premier bout de l'un puisse être replié sur le second bout de l'autre et y être collé par des cordons d'adhésif thermofusible et de colle à froid de configuration prédéterminée. L'objet de l'invention est particulièrement bien adapté à la fabrication sur machine automatisée.
Berrier Walter Gene
Harrington John Leslie
Howlett John Jr.
Finlayson & Singlehurst
Illinois Tool Works Inc.
LandOfFree
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