Title:
溶接方法
Document Type and Number:
Japanese Patent JP4782979
Kind Code:
B2
Abstract:
A welding shield gas comprising an inert gas and nitrogen gas, where the concentration of the nitrogen gas is 1 to 95 vol%; or comprising an inert gas and a helium gas, where the concentration of the helium gas is 35 to 95 vol%; or comprising an inert gas, nitrogen gas, and a helium gas, wherein the concentration of the nitrogen gas is not less than 1 vol% and less than 65 vol% and the concentration of the helium gas is 35 to 95 vol%. This shield gas can be used in the non-consumable electrode arc welding of a weld material consisting of stainless steel.
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Inventors:
Yu Kimura
Yuji Igarashi
Yuji Igarashi
Application Number:
JP2003096770A
Publication Date:
September 28, 2011
Filing Date:
March 31, 2003
Export Citation:
Assignee:
Taiyo Nippon Sanso Co., Ltd.
International Classes:
B23K9/16; B23K9/167; B23K9/23; B23K35/38
Domestic Patent References:
| JP61279372A | ||||
| JP11197836A | ||||
| JP7126828A | ||||
| JP633192A | ||||
| JP11319910A | ||||
| JP11256283A | ||||
| JP58081956A | ||||
| JP2001353575A |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Tadashi Takahashi
Takashi Watanabe
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama