Apparatus for producing tubular bodies from two shells

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

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51217R, 269296, 269321W, B23Q 300

Patent

active

039513947

ABSTRACT:
The present method secures two shell members to respective holding means so that welding edges of the shells are exposed for a milling operation, preferably a simultaneous milling operation. The holding means are then placed back to back and secured against displacement relative to each other so that the milled welding edges contact each other precisely whereupon the edges are welded to each other by means of electron beams. The present apparatus is constructed for accomplishing said back to back locating of two holding means while simultaneously preventing the displacement of the shell members as well as the displacement of the holding means relative to each other. For this purpose, the present apparatus is provided with a base preferably formed as a carriage and with holding means for holding the shell member along its length to the base as well as with claws for clamping the ends of the shell member to the base.

REFERENCES:
patent: 2015807 (1935-10-01), Miller
patent: 2186641 (1940-01-01), Jones
patent: 2674783 (1954-04-01), Schneider
patent: 2699601 (1955-01-01), Darnell

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