Electric heating – Metal heating – By arc
Patent
1991-04-08
1992-07-07
Albritton, C. L.
Electric heating
Metal heating
By arc
21912172, B23K 2700
Patent
active
051285088
ABSTRACT:
A nozzle assembly for a laser cutting head has a receptacle of insulating material of generally annular cross section with a central passage therethrough. A conductive insert has a body portion of generally annular cross section seated in the receptacle passage and it has a central passage which is threaded. Threadably engaged in the threaded passage of the insert is the threaded neck of a conductive nozzle which has a central passage extending therethrough, and a conductor extends through the insulating receptacle from the insert.
REFERENCES:
patent: 4377735 (1983-03-01), Minamida et al.
patent: 4467171 (1984-08-01), Ramos
patent: 4774392 (1988-09-01), Orita
patent: 4782496 (1988-11-01), Couturier
Albritton C. L.
Trumpf GmbH & Company
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