Plastic article or earthenware shaping or treating: apparatus – Immersed shaping orifice discharging directly into liquid...
Patent
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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Buchanan Lloyd G.
Chiesa Richard L.
INA Acquisition Corp.
Wolfson Michael I.
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