B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
26/156, 285/62
B23B 1/00 (2006.01) F16L 25/00 (2006.01)
Patent
CA 1264111
ABSTRACT A clamping ring for use in pipe joints has an inside surface which is formed with generally peripherally extending indentations for axially fixing a pipe. In order to prevent an occurrence of dangerous stress concentrations in pipes in contact with such clamping rings and to permit such rings to be manu- factured economically, the clamping ring is formed on its inside surface with a multiplicity of generally peripherally extending indentations, each of which extends only along part of the periphery or said inside surface, and said indentations are offset from each other in said peripheral directions and adjoin or overlap. There is described a method and apparatus for manufacturing such a clamping ring.
587296
E. Hawle & Co.
Fetherstonhaugh & Co.
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