Apparatus for manufacturing a replacement pipe liner in reduced form
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 24, 2000
Grant Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Mar 31, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
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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Cited Art Landscape
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