Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1975-06-09
1976-07-13
Simpson, Othell M.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29 45A, 72274, E04C 500, B21C 3700
Patent
active
039690857
ABSTRACT:
A wire for making steel wool has, in cross-sectional profile, a straight top, a pair of sides extending down from said top, and a downwardly and outwardly concave bottom. The sides either taper regularly down from said top toward said bottom so as to impart to said wire a trapezoidal cross-section, or lower portions of otherwise parallel sides taper inwardly at an angle of approximately 20.degree. so that the wire is much narrower at the bottom than at the top. The corners between the sides and the bottom are rounded so as to reduce waste in the production of steel wool. Such a wire is received in a capstan of a steel-wool making machine having wire-holding grooves with central outwardly convex ridges receivable within the concavity in the bottom of the wire.
REFERENCES:
patent: 400869 (1889-04-01), Norton et al.
Boeckenhoff Hermann Josef
Pueschner Erich
Thoms Gunter
Arbed-Felten & Guilleaume Drahtwerke GmbH
Dubno Herbert
Gilden Leon
Ross Karl F.
Simpson Othell M.
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