B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/33, 113/65
B21D 22/28 (2006.01)
Patent
CA 1179206
Abstract of the Disclosure A device for wall-ironing sleeves having a wall portion of a wall thickness enlarged with respect to the wall thickness of the sleeve body near the open end. The device comprises at least two wall-ironing rings and a wall-ironing mandrel adapted to move through the rings and having a cylindrical front part and cylindrical rear part of reduced diameter, charac- terized in that the front part of the wall-ironing mandrel has an annular recess of a predetermined depth near the rear part.
382796
Swabey Ogilvy Renault
Thomassen & Drijver-Verblifa N.v.
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