B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 53/30 (2006.01) B29C 33/36 (2006.01) B29C 33/20 (2006.01)
Patent
CA 2125066
Abstract of the Disclosure An apparatus for the production of corrugated tubing from thermoplastic synthetic resin comprising means defining a shaping path following the extru- sion head of an extruder and composed of a guide which is arranged in a frame and on which mold halves, fitted together in a pair in an inlet to define annular molds in a compact train as a travelling mold moving with the tube are advanced by at least one drive pinion arranged in the initial part of the shaping path, said pinion being in mesh with racks on the fitted together mold halves. At an exit point following the shaping path the mold halves are separated from one another and are gripped by gripping arms provided with coupling devices and are shunted back at the said inlet of the shaping path. The said gripping arms are bearinged by means of drives in a movable fashion on carriages. The carriages are able to be reciprocated by drives on guides on return paths parallel to the shaping path. In order to simply control the operation of the gripping arms while having a simple and sturdy mechanical design the gripping arms are arranged to be moved in guides of such carriage in a direction which is exclusively transverse in relation to the path of movement of the same.
Drossbach Gmbh & Co. Kg
Shapiro Cohen
LandOfFree
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