F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
26/174, 74/241
F16H 55/49 (2006.01) B21D 53/26 (2006.01) B21K 1/42 (2006.01) F16H 55/44 (2006.01)
Patent
CA 1227668
ABSTRACT OF THE DISCLOSURE _ In a method of making a polyp grooved pulley from a circular flat plate of sheet metal of predetermined thickness, the central portion of the parent flat plate is pressed to form a cup-shaped blank integral with a circular flat peripheral flange of the same thickness as that of the parent flat plate, the cup-shaped blank having a predetermined thickness thinner than that of the parent flat plate. The cup-shaped blank is pressed to form a hub wall, and the circular flat peripheral flange is drawn to form a cylindrical pulley flange wall. At the final stage, the cylindrical pulley flange wall is formed in its exterior periphery with a plurality of V-shaped grooves for a polyp belt.
405407
Takeda Shin
Yabuno Ryohei
Aisin Seiki Kabushiki Kaisha
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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