Reusable shipping and packing materials and method of use

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 81/03 (2006.01) B65D 30/22 (2006.01) B65D 30/24 (2006.01) B65D 81/07 (2006.01)

Patent

CA 2736668

An air bladder valve arrangement includes a tube having a cavity therein, the cavity having a plurality of chambers, each chamber being associated with one or more air bladder chambers, a stem positioned within the tube, the stem having a plural-ity of plungers, each plunger being positioned within a chamber of the cavity of the tube, each plunger being configured to selec-tively open and close communication of air between adjacent chambers of the cavity of the tube, wherein the stem is movable rela-tive to the tube to position each of the plurality of the plungers to selectively open and close communication of air between adja-cent chambers.

L'invention concerne un système de soupape à poche d'air comprenant un tube présentant une cavité, la cavité comportant une pluralité de chambres, chaque chambre étant associée à une ou plusieurs chambres à poche d'air, une tige positionnée dans le tube, la tige présentant une pluralité de pistons-plongeurs, chaque piston-plongeur étant positionné dans une chambre de la cavité du tube, chaque piston-plongeur étant conçu pour permettre et interrompre sélectivement la communication d'air entre les chambres adjacentes de la cavité du tube, la tige pouvant se déplacer par rapport au tube pour positionner chaque piston-plongeur de la pluralité des pistons-plongeurs de manière à permettre et à interrompre sélectivement la communication d'air entre des chambres adjacentes.

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