Device for producing a tube, in particular a tube-shaped printin

Details Device for producing a tube, in particular a tube-shaped printin Device for producing a tube, in particular a tube-shaped printin

1994-04-04

1996-09-24

Larson, Lowell A.

Metal deforming

By tool-couple pressing together adjacent surface portions...

To form longitudinally-seamed tube

72295, 72166, B21D 3902, B21D 5128, B21D 1102

Patent

active

055579604

ABSTRACT:
A device for producing a tube-shaped printing form from a plate with a register hole system. A clamping strip which can be supported in its initial position and fastened to the respective plate edge longitudinally is provided for each edge of the plate to be connected. The clamping strips have a pin register which is designed in so that the pins can cooperate with the register hole system of the plate. A mechanism is assigned to one of the strips for effecting a rotation around an axle parallel to its longitudinal axis. The strips can be positioned opposite one another by this rotation and the plate edges clamped at the strips contact one another and can be connected for the purpose of forming a tube.

REFERENCES:
patent: 2958361 (1960-11-01), Hunter
patent: 3773594 (1973-11-01), Aaron et al.
patent: 3937052 (1976-02-01), Hoexter et al.
patent: 4674165 (1987-06-01), Spath
patent: 4708573 (1987-11-01), Hug
patent: 4922742 (1990-05-01), Syrylo, Jr. et al.
patent: 4970888 (1990-11-01), Shiraishi et al.
Patent Abstracts of Japan-Publication No. JP58074357; Publication date May 4, 1983.

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