Electric heating – Metal heating – By arc
Patent
1989-02-09
1990-09-25
Paschall, M. H.
Electric heating
Metal heating
By arc
21912154, 2191215, 21912157, B23K 900
Patent
active
049595202
ABSTRACT:
An electric arc torch having a pair of detection units for detecting a mounted and dismounted state of a nozzle detachably mounted on an end of the torch provides a pair of holders for holding the pair of detection units each of which is formed separate from the torch body of the torch, a pair of grooves for containing the pair of holders therein each of which is formed on the torch body of the torch and a cover member for fixing the pair of holders to the torch body from the outside thereof which is detachably fixed to the torch body.
REFERENCES:
patent: 4585921 (1986-04-01), Wilkins et al.
patent: 4590354 (1986-05-01), Marhic et al.
patent: 4701590 (1987-10-01), Hatch
patent: 4767908 (1988-08-01), Dallavalle et al.
patent: 4777342 (1988-10-01), Hafner
patent: 4791268 (1988-12-01), Sanders et al.
Okada Toshihiko
Uchida Masanobu
Daihen Corporation
Paschall M. H.
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