Device for producing multilayer blown film

Details Device for producing multilayer blown film Device for producing multilayer blown film

B - Operations, Transporting

29

C

B29C 49/04 (2006.01) B29C 49/42 (2006.01) C08J 5/18 (2006.01)

Patent

CA 2491264

Nine-layer blowing head for producing coextruded nine layer blown film, in which the melt reunification is chosen such that predominantly 3 melt streams are reunited and the flowing together takes place in the vicinity of the outlet region. The individual rings forming the melt channel are mounted together to form a number of groups and in this way allow rapid removal and easier mounting.

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