B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 33/60 (2006.01) B29C 33/56 (2006.01) B29C 33/62 (2006.01) B29C 49/04 (2006.01) B29C 53/20 (2006.01)
Patent
CA 2204730
A method for the manufacture of clear corrugated or convoluted tubing from a resilient material such as polyurethane. The method of forming the tubing is in accordance with conventional manufacturing techniques used for corrugated or convoluted tubing but is characterised by a permanent non-stick coating such as a tetrafluoroethylene polymer being applied to the surfaces of the die blocks.
Procédé de fabrication d'une tubulure transparente à ondulations longitudinales ou circonférentielles à partir d'un matériau élastique tel que du polyuréthanne. Ce procédé se réalise selon les techniques de fabrication classiques utilisées pour la fabrication de tubulures à ondulations longitudinales ou circonférentielles, mais est caractérisé en ce qu'un revêtement antiadhésif tel qu'un polymère de tétrafluoroéthylène est appliqué à demeure sur les surfaces des extrudeuses.
Gowling Lafleur Henderson Llp
Jenkins Mark Alexander
LandOfFree
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