Improved joint for connecting extrudable segments

Details Improved joint for connecting extrudable segments Improved joint for connecting extrudable segments

B - Operations, Transporting

65

D

B65D 8/22 (2006.01) B29C 65/58 (2006.01) B65D 88/00 (2006.01) B65D 88/02 (2006.01) B65D 90/08 (2006.01) F17C 1/08 (2006.01)

Patent

CA 2264921

A joint (20) is disclosed for connecting extruded segments (16, 18) to form a container (10), such as a pressure vessel for storing liquid propane. In cross section, joint (20) includes a pair of symmetrical tabs (22), each tab (22) configured at the end of adjacent arcuate outer wall segments (16). Tabs (22) are configured for contiguous engagement to form a boss (28) having a proximate neck portion (30) and a distal body portion (32). Joint (10) also includes a retaining member (40) configured at the end of an internal web segment (18). Retaining member (40) is configured to capture boss (28). A sealing weld (28) is utilized to seal the adjacent tabs at exposed seam (24).

Le joint (20) de la présente invention sert à raccorder des segments extrudés (16, 18) en vue de la formation d'un contenant (10), tel qu'un récipient sous pression destiné au stockage de propane liquide. La section transversale dudit joint (20) fait apparaître une paire de pattes asymétriques (22) disposées chacune au niveau de l'extrémité de segments (16) arqués et adjacents de la paroi externe. Ces pattes (22) sont conçues pour être en contact permanent de façon à former une protubérance (28) possédant une partie proximale en étranglement (30) et une partie distale constituant un corps (32). Ledit joint (10) comporte également un élément de retenue (40) situé à l'extrémité d'un segment (18) d'une cloison interne et conçu pour saisir ladite protubérance (28). On soude les pattes adjacentes de façon à assurer l'étanchéité au niveau du raccord exposé (24).

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