B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/719, 18/758
B29C 47/00 (2006.01) B29C 47/34 (2006.01) B29C 47/92 (2006.01) B65H 59/38 (2006.01)
Patent
CA 1105222
Abstract of the Disclosure A process and apparatus for minimizing breakage and stretching during the high-speed production of plastic pipe are provided wherein a pipe is extruded at a first linear rate of speed, a slack segment is established and maintained between the extruder and a pipe winder, and the pipe is taken up on the winder at a second linear rate of speed which is the same as or different from the first rate, wherein the pipe is taken up on the winder reponsive to the degree of slack in the slack segment.
288916
Laspisa Ronald J.
Mcelroy Arthur H.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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