Thermoplastic sheet forming device

Details Thermoplastic sheet forming device Thermoplastic sheet forming device

B - Operations, Transporting

29

C

18/1027

B29C 43/22 (2006.01) B29C 43/24 (2006.01) B29C 47/00 (2006.01)

Patent

CA 1279169

THERMOPLASTIC SHEET FORMING DEVICE ABSTRACT OF THE DISCLOSURE A device to produce material webs of thermoplastic plastics, independently of the thickness at least between 100 µm and 12 mm includes a single apparatus comprising cooled calender rolls mounted on a respective bottom frame and a top frame. The top frame is adjustable relative to the bottom frame between two operating positions. Of a feed roll pair, preferably directly following a sheet die, one of the two feed rolls is arranged in the bottom frame and the other in the top frame. Thereby, in one operating position, the upper feed roll, and in the other operating position a smoothing ledge is associated with the feed roll of the bottom frame. The smoothing ledge is provided at the top frame and preferably has an air outlet nozzle. The top frame is prefer- ably arranged with a slide which is displaceable in a slideway of the bottom frame.

522639

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