Apparatus for assembling a liner

E - Fixed Constructions – 21 – D

Patent

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Details

E21D 11/40 (2006.01) B29C 53/38 (2006.01) B29C 63/36 (2006.01) E02F 3/38 (2006.01) E02F 3/92 (2006.01) E02F 5/10 (2006.01) E02F 7/00 (2006.01) E02F 7/06 (2006.01) E21D 11/00 (2006.01) E21D 11/38 (2006.01) F16L 55/162 (2006.01) F16L 55/165 (2006.01)

Patent

CA 2404610

Apparatus for assembling a liner (25) from a plurality of longitudinal sections of flexible material (161, 162) having longitudinal edges adapted to be joined one to another to form the liner. The apparatus comprises a path means along which the longitudinal sections of flexible material can be conveyed in a laterally reduced condition, an assembly zone at which the longitudinal edges can be joined together to form the liner, and a guide structure (165) about which the flexible material (161, 162) can turn upon exiting from the path means to provide an inner section (171) and an outer section (173) turned back with respect to the inner section. The guide structure (165) presents a guide, surface (167) over which the longitudinal sections (161, 162) of flexible material can pass, the surface (167) being configured to facilitate spreading of each longitudinal section (161, 162) from the laterally reduced condition.

L'invention concerne un appareil destiné à assembler une garniture (25) à partir d'une pluralité de parties longitudinales de matière souple (161, 162) comprenant des bords longitudinaux conçus pour être joints les uns aux autres de manière à former cette garniture. Ce dispositif comprend un organe de passage le long duquel les parties longitudinales de matière souple peuvent être acheminées sous une forme latéralement réduite, une zone d'assemblage au niveau de laquelle les bords longitudinaux peuvent être joints ensemble de manière à former cette garniture, ainsi qu'une structure de guidage (165) autour de laquelle la matière souple (161, 162) peut tourner après être sortie de l'organe de passage, d'où l'obtention d'une partie intérieure (171) et d'une partie extérieure (173) tournée vers l'arrière par rapport à la partie intérieure. La structure de guidage (165) comprend un guide et une surface (167) sur laquelle les parties longitudinales de matière souple (161, 162) peuvent passer, ladite surface (167) étant conçue pour faciliter le déploiement de chaque partie longitudinale (161, 162) à partir de la configuration latéralement réduite.

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