Method and apparatus for bending multiple channel tubing

Details Method and apparatus for bending multiple channel tubing Method and apparatus for bending multiple channel tubing

B - Operations, Transporting

29

C

18/936

B29C 17/02 (1980.01)

Patent

CA 1124975

ABSTRACT OF THE DISCLOSURE A method and apparatus are provided for bending thermoplastic, multiple channel tubing having a predetermined cross-sectional shape and a partition of a predetermined shape which separates the tubing into a multiplicity of channels. The method includes the steps of in- serting the tubing into a hot liquid bath, maintaining said tubing in said bath until said tubing is bendable, bending said tubing into a desired shape, and supporting the softened tubing, including the par- tition, during the bending step. By these steps, and using the appara- tus specially provided, the bending procedure substantially maintains the predetermined cross-sectional shape of the tubing while also sub- stantially maintaining the predetermined shape of the partition as well as its proper orientation with respect to the rest of the tubing.

378489

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