B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
B29D 23/18 (2006.01) B29C 47/02 (2006.01) B29C 47/12 (2006.01) B29C 47/28 (2006.01) B29C 49/00 (2006.01) H02G 3/04 (2006.01) B29C 49/04 (2006.01)
Patent
CA 2227451
A corrugated enveloping pipe provided with cross grooves and housing a fluid pipe is manufactured on an apparatus comprising a pipe die head which has a passageway for the fluid pipe. Shaping the corrugated enveloping pipe takes place on a molding machine which comprises half shells movable in the direction of production and completing each other to form a molding path. Shaping the corrugated enveloping pipe takes place exclusively by low pressure, relative to atmospheric pressure, being admitted to the inside of the half shells.
Tuyau ondulé enveloppant muni de cannelures entrecroisées et abritant un tuyau pour le fluide. Il est fabriqué sur un dispositif comprenant une tête de filière à tuyaux munie d'un passage destiné au tuyau pour le fluide. Le formage du tuyau enveloppant ondulé s'effectue sur une machine à mouler qui comprend des demi-coquilles qui sont mobiles dans le sens de la fabrication et qui se complètent l'une l'autre pour former un tracé de moulage. Le formage du tuyau ondulé enveloppant s'effectue exclusivement sous l'effet d'une basse pression, par rapport à la pression atmosphérique, qui est admise à l'intérieur des demi-coquilles.
Hegler Ralph Peter
Marks & Clerk
LandOfFree
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