Title:
SHIELDING GAS FOR MIG BRAZING
Document Type and Number:
WIPO Patent Application WO/2015/140985
Kind Code:
A1
Abstract:
A shielding gas (α) for the MIG brazing of steel materials (21, 22) with a brazing material (12) constituted of an alloy including copper as the main component. The shielding gas (α) contains 7-20 vol%, excluding 20 vol%, helium and 2-4 vol% hydrogen or contains 20-30 vol% helium and 2-5 vol% hydrogen, the remainder comprising argon. This shielding gas brings about an improved finish.
Inventors:
YOSHIDA YOSHIFUMI (JP)
ISHII MASANOBU (JP)
ISHII MASANOBU (JP)
Application Number:
PCT/JP2014/057747
Publication Date:
September 24, 2015
Filing Date:
March 20, 2014
Export Citation:
Assignee:
IWATANI CORP (JP)
International Classes:
B23K1/00; B23K9/16
Foreign References:
| JP2009545449A | 2009-12-24 | |||
| JPH09234563A | 1997-09-09 |
Attorney, Agent or Firm:
KITANO, Shuhei et al. (JP)
Shuhei Kitano (JP)
Shuhei Kitano (JP)
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