Apparatus for manufacturing resin tube

B - Operations – Transporting – 29 – C

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B29C 47/12 (2006.01) B29C 33/76 (2006.01) B29C 53/82 (2006.01)

Patent

CA 1283518

ABSTRACT OF THE DISCLOSURE An apparatus for manufacturing a resin tube compri- sing: (a) a support means; (b) a central support by the sup- port means and extending therefrom; (c) a pair of operating means supported by the central shaft at two separate posi- tions; (d) a plurality of rotatable forming rolls each sup- ported by the operating means at both ends thereof in such a manner that the rotatable forming rolls are arranged cir- cularly around the central shaft and that a cylindrical enve- lope formed by the rotatable forming rolls has a radius changeable by operation of the operating means; and (e) a plurality of flexible link means each connected between one end of each rotatable forming roll and a driving means for simultaneously rotating the rotatable forming rolls in the same direction at any radius of the envelope. Because of this structure, the apparatus can manufacture a resin tube of any size simply by operating the operating means.

549055

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