Apparatus for manufacturing a replacement pipe liner in reduced

Details Apparatus for manufacturing a replacement pipe liner in reduced Apparatus for manufacturing a replacement pipe liner in reduced

1995-06-07

2000-10-24

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Immersed shaping orifice discharging directly into liquid...

26417719, 2642094, 425 68, 425 70, 425 71, B29C 4790

Patent

active

061357480

ABSTRACT:
An apparatus for manufacturing a liner for installation in an existing conduit in reduced form. The apparatus includes an extruder for extruding heated thermoplastic pipe material through a die to form a tubular shape, a shaping station for shaping the extruded tubular plastic material to the reduced form, a cooling station to cool the liner so that the liner maintains the reduced form and a reheating station to render the liner pliable to be put in suitable form for storage. The liner may be spooled on itself in a layered condition or on a solid spool.

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