B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
26/123
B21C 37/00 (2006.01) B26D 3/16 (2006.01) B29C 65/34 (2006.01) B29D 23/00 (2006.01) F16L 47/03 (2006.01)
Patent
CA 1177630
ABSTRACT OF THE DISCLOSURE Electric fusion pipe fittings for use in connecting plastics pipes may be manufactured by forming a groove in a surface of a fitting by means of a cutting tool and laying a wire in the groove during the groove-forming operation. This method avoids the need for injection molding about a wire helix, and enables such fittings to be manufactured at lower cost than by the prior art.
384421
Erling Earl
Soumar Karel
Borden Ladner Gervais Llp
Esdan Pty. Ltd.
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