Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1986-11-18
1989-03-07
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264 36, 264313, 138 97, B29C 6322
Patent
active
048104531
ABSTRACT:
A method for lining a pipe such as a sewer pipe by applying to the interior of the pipe a layer of a settable composition including a mixture of one or more organic resins with one or more inorganic filling materials, thereafter covering the surface of the said layer with sheet material and thereafter compacting the said layer onto the pipe by exerting pressure thereon through the sheet material, the sheet material being in the form of a tube of polyethylene film or other polymeric film and in that the tube is removed after the pipe lining composition has at least partly set by pulling one end thereof through the interior length of the lined pipe.
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Clarke Neil
Lane John R. G.
Bio-Kil Chemicals Limited
Kuhns Allan R.
Silbaugh Jan H.
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