Electric heating – Metal heating – By arc
Patent
1999-05-20
2000-01-25
Shaw, Clifford C.
Electric heating
Metal heating
By arc
219 60A, 21912511, B23K 9095
Patent
active
060181362
ABSTRACT:
A system of the invention for supervising piping work comprises a machine for performing piping work such as welding of pipes or tightening of pipe joints under predetermined conditions, check means for checking whether the piping work has been executed properly based on predetermined values of piping work conditions and actual piping work data, a host computer for accumulating the predetermined values of piping work conditions, the actual piping work data and the result of checking, and communication means for transmitting the predetermined values of piping work conditions, the actual piping work data and the result of checking.
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patent: 5500512 (1996-03-01), Goldblatt
patent: 5571431 (1996-11-01), Lantieri et al.
patent: 5620625 (1997-04-01), Sauron et al.
patent: 5708253 (1998-01-01), Bloch et al.
Dohi Ryosuke
Fukuda Hiroyuki
Ideta Eiji
Ikeda Nobukazu
Morokoshi Hiroshi
Fujikin Incorporated
Shaw Clifford C.
Tadahiro OHMI
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