B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
189/41
B29C 47/00 (2006.01) B29C 47/12 (2006.01) F16L 25/00 (2006.01)
Patent
CA 1303518
ABSTRACT Plastic tube with solid cross-ribs on the outer surface, a moulding device therefor; installation comprising such a device and a method for moulding a plastic tube. The invention relates to a tube having solid transverse ribs at the outside and a smooth inner surface in which at least one end has a smooth outer surface having a wall thickness which may be chosen free, i.e. greater than, equal to or smaller than the smallest thickness of the tube between the ribs. The invention also relates to a device for moulding a tube according to the invention, an installation having such a device and a method for producing a tube using such an installation which includes a device according to the invention. In the device at least part of the half-moulds used for forming comprises at least a smooth inner surface corresponding to a section of tube having a smooth outer surface.
566731
Hansen Finn Thor
Jarvenkyla Jyri
Gowling Lafleur Henderson Llp
Uponor N.v.
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