Ring forming machine

Details Ring forming machine Ring forming machine

B - Operations, Transporting

29

C

18/109, 18/759

B29C 27/00 (1980.01) B29H 11/00 (1980.01)

Patent

CA 1040817

ABSTRACT OF THE DISCLOSURE Apparatus for forming annular articles from elongated workpieces of thermoplastic material is provided with first and second clamps having a protuberance for grasping the ends of the workpiece, the workpiece having a longitudinally directed concave groove into which the protuberance fits for positioning the workpiece in the clamps, and a heating plate with two opposed surfaces; the clamps apply the ends of the workpiece to the plate to heat them and then bring the ends together.

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