B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 1/02 (2006.01) B21D 51/26 (2006.01) B65D 41/02 (2006.01) B65D 41/08 (2006.01)
Patent
CA 2290134
The invention concerns a method for making a metal housing (1) provided with a threaded neck for fixing any type of detachable head comprising at least the following steps: a) producing a housing with a base and a cylindrical or forming wall; b) forming a neck (4) on the housing open end; c) using a ring (5), provided with a central bore (52) and a threading (54) on its external surface (55), and fitting said ring (5) by its central bore (52) around the neck (4) formed in the preceding step; d) plastic swelling of said neck (4), the diameter of the neck (4) external surface (42) being brought to a value greater then the value of the ring (5) central bore (52) internal diameter at rest.
Procédé de fabrication d'un boîtier métallique (1) muni d'un col fileté destiné à fixer tout type de tête amovible comprenant au moins les étapes suivantes: a) réalisation d'un boîtier ayant un fond et une paroi cylindrique ou de forme; b) mise en forme d'un col (4) sur l'extrémité ouverte du boîtier; c) utilisation d'une bague (5), munie d'un alésage central (52) et d'un filetage (54) sur sa surface extérieure (55), et emmanchement de ladite bague (5) par son alésage central (52) autour du col (4) formé à l'étape précédente; d) gonflement plastique dudit col (4), le diamètre de la surface extérieure (42) du col (4) étant porté à une valeur supérieure à la valeur diamètre intérieur de l'alésage central (52) de la bague (5) au repos.
Flecheux Franck
Granger Jacques
Schneider Bernard
Cebal S.a.
Swabey Ogilvy Renault
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