B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/58 (2006.01) B29C 47/90 (2006.01) B29C 55/28 (2006.01)
Patent
CA 2380212
A roller guide (9) for extrusion calibrators (4) of tubular plastic films (7), provided with a surface, removable and interchangeable sleeve (10) made from materials having high thermal insulation characteristics and a good surface friction (grip) coefficient. Such characteristics allow a regular flow of the film being extruded (7) and a uniform cooling thermal dispersion throughout the surface development of said films.
Marks & Clerk
Odino Pontarolo
LandOfFree
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