B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 9/00 (2006.01) B23K 9/32 (2006.01)
Patent
CA 2667597
The invention relates to a device for automatic under-water welding for making a welding joint (3) on a surface (2), of the type comprising a welding torch (20) including an electrode (21) surrounded by a protection envelope (23) that defines together with said electrode (21) an annular channel (24) connected to means for supplying a protection gas. The welding torch (20) is provided axially at the centre of a set (30) of two concentric envelopes (31, 32), one of which at least is capable of axial displacement and can be adjusted relative to said surface (2), said envelopes defining between them an annular gap (34) for injecting a flow for drying the welding area and keeping it away from the water.
L'invention concerne un dispositif de soudage automatique sous eau pour la réalisation sur une surface (2) d'un joint ô souder (3), du type comprenant une torche de soudage (20) comportant une électrode (21) entourée d'une enveloppe de protection (23) délimitant avec ladite électrode (21), un canal annulaire (24) relié ô des moyens d'alimentation en gaz de protection. La torche de soudage (20) est disposée axialement au centre d'un ensemble (30) de deux enveloppes (31, 32) concentriques dont au moins une est mobile axialement et réglable par rapport ô ladite surface (2) et délimitant entre elles un espace annulaire (34) d'injection d'un flux de séchage de la zone de soudage et de maintien de ladite zone hors d'eau.
Merle Gabriel
Mouget Jean
Thomas Andre
Viard Emmanuel
Areva Np
Robic
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