B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 5/08 (2006.01)
Patent
CA 2575279
An apparatus and method for the forming of corrugations in cylindrical objects or plain sheets, which include but not limited to two or more rotating spline or keyed shafts with internally grooved sliding wheels. Springs or collars with elastic properties are located between sliding wheels to allow them to keep predetermined distance which varies under axial forces.
Gladstein Garry
Maimets Lembit
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Link-Pipe Inc
LandOfFree
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