Title: Method of cooling steel wire

Abstract: A method for cooling a steel wire which is being drawn in a dry lubricant wire drawing operation wherein the rear portion of the die, including the backrelief portion thereof and the wire which has just been drawn to the desired dimension, are brought into direct contact with a cooling medium so as to effect forced cooling thereof, the wire thereby being cooled before the commencement of strain-aging embrittlement within the wire.

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Inventors: Fujita, Tatsu (Kobe, JA)
Kawakami, Heijiro (Kobe, JA)
Yamada, Yoshiro (Akashi, JA)
Yamada, Tetsuo (Kobe, JA)

Application Number: 482578
Filing Date: 1974-06-24
Publication_date: 1976-08-10
Assignee: Kobe Steel Limited (Kobe, JA)
Primary Class(es): 72/286
Other Classes:
US Patent Ref:

2119516	Jun, 1938	Schuster	72/286.
2161570	Jun, 1939	Harris	72/342.
2203751	Jun, 1940	Simons	72/45.
2206977	Jul, 1940	Seeley	72/467.
2252365	Aug, 1941	Fisher	72/45.
2257644	Sep, 1941	Pierce	72/286.
2325342	Jul, 1943	Pursel	72/286.
2924329	Feb, 1960	Compson	72/342.
2974778	Mar, 1961	Ellis et al.	72/286.
3562115	Sep, 1970	Armstrong et al.	72/45.
3774436	Nov, 1973	Tviksta	72/342.
R20067	Aug, 1936	Busey	72/467.

Other Refs: 30-64291,249,926

Oct, 1930	JA.
Oct, 1971	UK.

Primary Examiner: Mehr, Milton S.
Assistant Examiner:
Attorney: Oblon, Fisher, Spivak, McClelland & Maier