B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
153/38
B21D 5/00 (2006.01) B21D 5/01 (2006.01)
Patent
CA 1176551
ABSTRACT OF THE DISCLOSURE The press tool as disclosed is provided for making tubes or pipes at a diameter of 600 millimeters or more and a diameter-to- wall-thickness ratio of 13 or more. In order to permit employment of the tool for a relatively wide range of dimensions without requiring extensive retooling, it is suggested that the tool is comprised of a stationary centerpiece and side pieces, which are hinged to the center- piece and held in position by spacer bars acting as adjustable cams.
409662
Kummerling Rolf
Papierok Karl-Heinz
Pentzien Thomas
Poos Robert
Fetherstonhaugh & Co.
Mannesmann Aktiengesellschaft
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