Lay-flat means in blown film installations

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 47/08 (2006.01) B29C 47/00 (2006.01) B29D 7/01 (2006.01) B29D 23/00 (2006.01)

Patent

CA 2487207

Blown film installation with a lay -flat means (4), the rollers (5) of which in the upper half entirely or partly comprise brush rollers (6), the bristles (5.1, 5.2) of which are directed obliquely outwards and which, on contact with the film tube (3), exert a slight spreading force on the film, by which folding is avoided.

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