Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Longitudinally progressive helical winding means
Patent
1982-11-09
1984-08-21
Kimlin, Edward C.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Longitudinally progressive helical winding means
156143, 15624411, 15624412, 15624413, 156425, 156431, 156446, 156500, B29C 1900, B65H 8100
Patent
active
044668546
ABSTRACT:
A device for producing a helically wound tube comprises a rotating mandrel around which the tube is wound and an extruding device having an extruder head oriented to direct a continuous strip of plastic through a profile pressure mandrel which defines a calibrating guide channel which in turn is oriented to deposit the desired width of extruded plastic strip onto the mandrel. The guide channel advantageously includes walls defining a cooling passage for a coolant for example on the wall over which the extruded plastic is directed. The extruder and the guide channel are mounted on a carriage so that they may be shifted longitudinally if the axis of the mandrel apply a continuous strip of material thereover at a selected pitch angle. The extruder advantageously includes means for directing a reinforcing rod member into the extruder head so that the extruded strip includes a central tubular reinforcement with a base flange on each side of the reinforcement.
REFERENCES:
patent: 3617415 (1971-11-01), Hawerkamp
patent: 3919026 (1975-11-01), Mizutani et al.
patent: 3957940 (1976-05-01), Schubert et al.
patent: 4353763 (1982-10-01), Simons
Heitbrink Timothy W.
Kimlin Edward C.
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