Pipe building method and apparatus

Details Pipe building method and apparatus Pipe building method and apparatus

B - Operations, Transporting

29

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B29D 23/00 (2006.01) B29C 41/08 (2006.01) B29C 67/24 (2006.01) B29C 70/02 (2006.01) F16L 9/14 (2006.01)

Patent

CA 1160415

PIPE BUILDING METHOD AND APPARATUS ABSTRACT Method and apparatus for producing a tube con- taining sand particles bonded by a thermosetting resin. Examples of such resin include unsaturated polyesters and epoxy resins. Further, the sand core can be bonded by reinforcing material on the inner and outer surfaces of the sand core. The products are useful in situations where liquid or gaseous corrosive or abrasive materials are conveyed. Additional utility will be found in the sewer and water distribution markets.

373068

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