B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 43/46 (2006.01) B29C 53/24 (2006.01) B29C 53/28 (2006.01) E04D 3/32 (2006.01) B29C 53/22 (2006.01)
Patent
CA 2414078
An apparatus (14) for continuously producing corrugations in an extruded plastic web (2) includes a master roller (22) and at least one auxiliary roller (24). Each roller is mounted rotatably about its central axis. A first set of interchangeable, elongated, profiled inserts (28) are attachable around, and projecting from, the master roller (22), while a second set of interchangeable, elongated, profiled inserts (28') are attachable around, and projecting from, the first auxiliary roller (24). The two sets of inserts (22, 22') are configured such that, when the master roller (22) and the auxiliary roller (24) turn synchronously in opposite directions, the rollers and the first and second sets of inserts cooperate to define and advancing corrugated profile. Also described are various forms of the resulting web, and method for constructing a roof using such web.
Un appareil (14) destiné à produire de façon continue des ondulations dans une bande de plastique extrudée (2) comprend un rouleau principal (22) ainsi qu'au moins un rouleau auxiliaire (24). Chaque rouleau est monté rotatif autour de son axe central. Un premier ensemble d'inserts profilés oblongs interchangeables (28) peuvent être fixés autour et dépasser du rouleau principal (22), tandis qu'un second ensemble d'inserts profilés oblongs interchangeables (28') peuvent être fixés autour et dépasser du premier rouleau auxiliaire (24). Les deux ensembles d'inserts (22, 22') sont configurés de telle manière que, lorsque le rouleau principal (22) et le rouleau auxiliaire (24) tournent de façon synchrone dans des sens opposés, les rouleaux et les premier et second ensembles d'inserts coopèrent pour définir un profil ondulé avançant. L'invention concerne également diverses formes de la bande obtenue et un procédé de construction d'un toit utilisant cette bande.
Gal-Gay Ltd.
Marks & Clerk
LandOfFree
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