Electric heating – Metal heating – By arc
Patent
1989-06-30
1991-01-08
Albritton, C. L.
Electric heating
Metal heating
By arc
21912172, B23K 2600
Patent
active
049838083
ABSTRACT:
A method producing opening roller rings for open-end spinning machines whereby a saw-tooth wire provided with a foot, is helically wound on a core and welded together to form a tube; the core is forced out of the tube and is subsequently cut to form opening roller rings.
REFERENCES:
patent: 4873416 (1989-10-01), Boder
Albritton C. L.
Hollingsworth GmbH
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