Apparatus and process for the production of tubular bodies

Details Apparatus and process for the production of tubular bodies Apparatus and process for the production of tubular bodies

B - Operations, Transporting

29

C

18/932

B29C 53/50 (2006.01) B29C 65/00 (2006.01) B29C 65/18 (2006.01) B29C 65/32 (2006.01)

Patent

CA 2021646

Apparatus for the production of tubular bodies, in particular for packaging tubes, from a foil strip comprising weldable plastic material and whose longitudinal edges are thermally joined together, comprising a shaping belt which co-operates with shaping rollers and which shapes the foil strip around a mandrel into the form of a tubular body. A lower driven transportation belt which runs in the mandrel and an upper driven transportation belt, the longitudinal edges of the foil strip being accommodated in mutually overlapping relationship between the transportation belts. At least one heating means, pressing means and cooling means act on an upper transportation belt. And a process for the production of tubular bodies.

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