Process for the continuous production of pipe from particulate materials
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United States of America Patent
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Aug 11, 1987
Issued Date -
N/A
app pub date -
Nov 20, 1985
filing date -
Nov 21, 1984
priority date (Note) -
Expired
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Abstract
A process for continuously producing pipe by coating a particulate material with a gas curable resin, compacting the coated particulate material in an annular space, treating the compacted, coated particulate material with a curing gas to form a pipe having a porous wall structure, impregnating the porous walls of the pipe with an asphalt or resinous material, and, optionally, winding a reinforcing filament binder around the pipe.
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