公开(公告)号：DE60020222T2

公开(公告)日：2006-01-26

申请号：DE60020222

申请日：2000-01-04

Applicant: CHROMALLOY GAS TURBINE CORP

Inventor： FOSTER MICHAEL ,  KNOWLES E ,  UPDEGROVE KEVIN ,  THURSTON A

IPC: B23K5/00 ,  B23K9/16 ,  B23K26/12 ,  B23K26/20 ,  B23K26/32 ,  B23K37/04

Abstract: A protective gas shroud for welding is provided by: positioning an article into a chamber having an opening at the top to permit welding of the article; introducing argon into the body of the chamber to act as a protective gas shroud for the article during welding; introducing helium 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.

公开(公告)号：DE60020222D1

公开(公告)日：2005-06-23

申请号：DE60020222

申请日：2000-01-04

Applicant: CHROMALLOY GAS TURBINE CORP

Inventor： FOSTER MICHAEL ,  KNOWLES E ,  UPDEGROVE KEVIN ,  THURSTON A

IPC: B23K26/12 ,  B23K26/20 ,  B23K26/32 ,  B23K37/04 ,  B23K9/16 ,  B23K5/00

Abstract: A protective gas shroud for welding is provided by: positioning an article into a chamber having an opening at the top to permit welding of the article; introducing argon into the body of the chamber to act as a protective gas shroud for the article during welding; introducing helium 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.