Electric heating – Metal heating – Weld rod structure
Patent
1995-04-13
1996-08-27
Shaw, Clifford C.
Electric heating
Metal heating
Weld rod structure
21914531, B23K 3502
Patent
active
055503489
ABSTRACT:
A flux-cored wire for arc welding, wherein a specific surface area, which is defined by the equation of {(Sa/Sm)-1} where Sm is an apparent surface area and Sa is a real surface area in a region to be measured on a surface of the wire, is in the range of from 0.005 to -0.035; and molybdenum disulfide is stuck on the surface of the wire in an amount of from 0.004 to 0.24 g/m.sup.2, and no plating is applied on the surface of the wire. Moreover, a solid wire for arc welding wherein the specific surface area {(Sa/Sm)-1} is in the range of from 0.0005 to 0.05; and molybdenum disulfide is stuck on the surface of the wire in an amount of from 0.001 to 0.5 g/m.sup.2, and no plating is applied on the surface of the wire.
REFERENCES:
patent: 2818496 (1957-12-01), Ludwig
patent: 3622383 (1971-11-01), Dane
patent: 5403377 (1995-04-01), Masaie et al.
Patent Abstracts of Japan, vol. 5, No. 158 (N-91) [830], Oct. 12, 1981, JP-A-56 084195, Jul. 9, 1981.
Patent Abstracts of Japan, vol. 7, No. 250 (M-254) [1395], Nov. 8, 1983, JP-A-58 135795, Aug. 12, 1983.
Patent Abstracts of Japan, vol. 17, No. 298 (M-1425), Jun. 8, 1993, JP-A-5 023731, Feb. 2, 1993.
Database WPI, Derwent Publications, AN 80-91099C, JP-A-55 141 395, Nov. 6, 1980.
Furuya Atsushi
Ito Kazuhiko
Masaie Norio
Matsuguchi Akira
Sasa Yoshikazu
Kabushiki Kaisha Kobe Seiko Sho
Shaw Clifford C.
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