B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 49/38 (2006.01) B29C 47/12 (2006.01) B29C 49/00 (2006.01) B29C 35/16 (2006.01) B29C 49/42 (2006.01) B29C 49/48 (2006.01)
Patent
CA 2509000
The invention relates to a device for producing tubes provided with cross ribs. The inventive device comprises mould halves (16) which are adjacent to each other and circulate along two endless guide paths (14) with the aid of a driving unit connected thereto. Said two guide paths comprise a common forming section (18), a respective return section (20) and two respective diverting sections (22, 24). Each diverting section (22, 24) comprises a diverting unit (26, 28) which is provided with a curved guide edge. The guide paths (14) comprise elongated wear elements (30) which are made of a low-wear material and arranged along the common forming section (18) and the return section (20). Said wear elements are interchangeably arranged on the base (12) of the inventive device (10).
L'invention concerne un dispositif pour produire des tuyaux à nervures transversales, ledit dispositif comportant des demi-moules (16), qui circulent, respectivement au moyen d'une unité d'entraînement associée, le long de deux pistes de guidage (14) sans fin, en étant plaqués l'un contre l'autre. Les deux pistes de guidage (14) présentent un tronçon de formage (18) commun, un tronçon de retour (20) respectif et deux tronçons de changement de direction (22, 24) respectifs. Chaque tronçon de changement de direction (22, 24) présente un organe de changement de direction (26, 28) pourvu d'un bord de guidage arqué. Les pistes de guidage (14) présentent, le long du tronçon de formage (18) commun et le long des tronçons de retour (20), des éléments d'usure (30) allongés, constitués d'une matière plastique à faible usure, qui sont placés de manière interchangeable sur une unité de base (12) du dispositif (10) selon l'invention.
Gowling Lafleur Henderson Llp
Unicor Gmbh Rahn Plastmaschinen
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