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Method and device for producing a continuous film tube from a flat film web
Method and device for producing a continuous film tube from a flat film web
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机译:由平膜幅材生产连续膜管的方法和装置
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摘要
Welding of the overlapping edges of the film tube (3) is effected by contactless hot air welding. An Independent claim is also included for the process equipment comprising a contactless hot air sealing unit (9).
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