B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
25/135, 285/60,
B32B 15/08 (2006.01) B29C 63/18 (2006.01) B29C 63/34 (2006.01) B29C 63/42 (2006.01) B29C 65/00 (2006.01) B29D 23/00 (2006.01) F16L 9/14 (2006.01) F16L 9/18 (2006.01) F16L 43/00 (2006.01)
Patent
CA 1040116
ABSTRACT OF THE DISCLOSURE A pipe or pipe fitting including a straight pipe and a joint such as an elbow or bend comprises a hollow cylindrical core member made of ceramic material. The core member, after cintered, is uniformly covered with an outer sheath made of an easily machinable material having a high mechanical strength. The outer sheath is generally made of thermoplastic synthetic resin or metal. The hollow core member is wear-, pressure- and corrosion-resistant to a waste water flowing in it, and the outer sheath resists against the ex- ternal impact and bending stress to prevent a crack or breakage of the core member.
236994
Mitsui Kinzoku Engineering Service Co.
Mitsui Mining And Smelting Co.
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