B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
164/111, 164/31
B26D 1/62 (2006.01) B21B 15/00 (2006.01) B26D 3/14 (2006.01)
Patent
CA 1253790
ABSTRACT OF THE DISCLOSURE A rotary notcher is used in a continuous strip processing line for metallic strip to cut out side or edge portions of the joined strips in the welded area. When an arc welder is used, welding may be done only in the center area of the seam remote from where the notching occurs. The rotary notcher is activated in a time relationship with the welding process to notch along the joined seam. The notcher comprises two opposed housings along longitudinal edges of the strip for cantileverly supporting a cooperative pair of rotatable knife drums each having cooperative arcuate surfaces upon which an arcuate knife is mounted, and cooperative flat sections for allowing the strip to travel therebetween without hitting against the drums. The knife has a continuous gradual slope with a desired depth formed between the two extremes of the edge of the knife to effect a smooth continuous cut.
502203
Hewitt Neville S.
Wean Incorporated
LandOfFree
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