Metal working – Method of mechanical manufacture – Electrical device making
Patent
1984-01-26
1986-04-08
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Electrical device making
29 33S, 72129, 225 2, C03B 3302, H02K 1504
Patent
active
045803366
ABSTRACT:
A slitting apparatus for an amorphous metal strip employs a scribing tool to form a scribed line in a surface of the strip as it is transported past the scribing tool. The scribed strip is folded toward the scribed line and creased between mandrels. Then the crease is flattened out against a flattening surface, whereupon the strip cleanly separates into first and second strips. A separating device downstream of the flattening surface moves the newly separated edges apart. A functional relationship between at least some of the radius of the cutting edge of the scribing tool, the scribing force, the tension in the strip and the separating device is described and empirical methods for maintaining these elements with effective operating ranges are given.
REFERENCES:
patent: 2314912 (1943-03-01), Troy
patent: 3981422 (1976-09-01), Moore
patent: 4018372 (1977-04-01), Insolio
patent: 4320645 (1982-03-01), Stanley
patent: 4356377 (1982-10-01), Norton et al.
J. M. C. Li, Chapter 9, pp. 224-246, of the book "Metallic Glasses", published in 1978 by the American Society for Metals, Metals Park, Ohio.
Kerley Barry W.
Morton James W.
Watson Bruce R.
Eley Timothy V.
Freedman William
General Electric Company
Goldberg Howard N.
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