Metal deforming – By deflecting successively-presented portions of work during... – To form helical coil or tube
Patent
1985-10-01
1987-08-25
Combs, E. Michael
Metal deforming
By deflecting successively-presented portions of work during...
To form helical coil or tube
29736, B21D 1106, H02K 1500
Patent
active
046884130
ABSTRACT:
Apparatus for continuously forming edgewise wound salient pole cores from a continuous lanced strip of generally thin ferromagnetic material. The lanced strip includes a yoke section extending generally lengthwise thereof and having a pair of sets of segments therein with the segments of one of the segment sets being integrally interposed between the segments of the other of the segment sets, and a set of salient pole teeth integral with the segments of the one segment set so as to extend generally laterally from the yoke section. The apparatus has a pair of means operable generally for effecting generally edgewise deformation of only the segments of the other segment set in the yoke section of the lanced strip upon the continuous passage of at least the yoke section between the edgewise deformation effecting means.
REFERENCES:
patent: 1920354 (1933-08-01), Carpenter
patent: 2908965 (1959-10-01), Platt
patent: 3152629 (1964-10-01), Rediger
patent: 3206964 (1965-09-01), Hart et al.
patent: 3842493 (1974-10-01), Ohuchi et al.
patent: 4116033 (1978-09-01), Iwaki et al.
Combs E. Michael
General Electric Company
Krisher, Jr. Ralph E.
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