Containers having an inflatable tubular seal

Details Containers having an inflatable tubular seal Containers having an inflatable tubular seal

B - Operations, Transporting

65

D

217/126

B65D 53/00 (2006.01) B65D 19/44 (2006.01) B65D 53/06 (2006.01) F16J 15/46 (2006.01)

Patent

CA 1119133

C A N A D A . "IMPROVEMENTS IN OR RELATING TO CONTAINERS HAVING AN INFLATABLE TUBULAR SEAL" ABSTRACT OF THE DISCLOSURE A container of the kind having a cover, preferably an impermeable flexible cover, sealed to a base, an improved seal is provided comprising an endless slot or groove in the base into which the periphery of the cover fits adjacent a removable tube holder of resilient material carrying one or more inflatable sealing tubes, each extending around the slot or groove adjacent the cover. Each sealing tube, when inflated, protrudes out of an aperture in the holder to seal against the cover and, if the cover is flexible, to force it into sealing engagement with a wall of the slot or groove. the holder serves to locate the tubes, thereby enabling two or more tubes to be located at different depths in the slot or groove.

295901

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