Protective gas shroud for welding

B - Operations – Transporting – 23 – K

Patent

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Details

B23K 26/12 (2006.01) B23K 26/20 (2006.01) B23K 26/32 (2006.01) B23K 37/04 (2006.01)

Patent

CA 2363709

A protective gas shroud (1) for welding is provided by: positioning an article (2) into a chamber (4) having an opening at the top to permit welding of the article; introducing argon (8) into the body of the chamber to act as a protective gas shroud for the article during welding; introducing helium (10) into the open top of the chamber to assist in maintaining a protective gas shroud around the article during welding; and welding the article within the protective gas shroud.

On forme un écran gazeux de protection (1) pour le soudage: en positionnant un article (2) dans une chambre dotée d'une ouverture en son sommet pour permettre le soudage de l'article; en introduisant de l'argon (8) dans le corps de la chambre de sorte qu'il agisse comme un écran gazeux de protection pour l'article pendant le soudage; en introduisant de l'hélium (10) dans le sommet ouvert de la chambre pour aider au maintien d'un écran gazeux de protection autour de l'article pendant le soudage ; en soudant l'article dans l'écran gazeux de protection.

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