Process and apparatus for the production of wound tubes

Details Process and apparatus for the production of wound tubes Process and apparatus for the production of wound tubes

B - Operations, Transporting

29

C

B29C 53/58 (2006.01) B29C 53/60 (2006.01) B29C 53/80 (2006.01) B29C 65/00 (2006.01) B29C 65/54 (2006.01)

Patent

CA 2073956

PROCESS AND APPARATUS FOR THE PRODUCTION OF WOUND TUBES ABSTRACT OF THE DISCLOSURE Wound tubes of plastic can be produced economically by feeding a polyurethane reaction mixture onto a moving substrate and allowing it to cure to form a strip. Immediately afterwards, the strip is wound at a winding angle onto a cylinder and the gap formed between adjacent windings is also filled with a polyurethane reaction mixture. The tube formed as a continuous run is continuously drawn off from the cylinder. Mo3752 Le A 28 474-US/CA

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