Continuous vulcanizer for producing elongated member

Details Continuous vulcanizer for producing elongated member Continuous vulcanizer for producing elongated member

1978-12-28

1981-01-27

Thurlow, Jeffery R.

Plastic article or earthenware shaping or treating: apparatus

Immersed shaping orifice discharging directly into liquid...

Additional downstream means for treating product by fluid

264236, 264347, 425 71, 425379R, 425384, 425404, 425445, B29H 528

Patent

active

042472717

ABSTRACT:
A horizontal type vulcanizer for continuous production of an elongated member made of a natural or synthetic polymer. The elongated member passes through a pressurized liquid heat medium to achieve vulcanization. Leakage from the liquid bath seal is prevented by having an intermediate separation portion and balancing the pressure in the bath with that in the intermediate portion. Thermal deterioration of the seal is prevented by cooling the liquid bath in the region adjacent the seals to increase the viscosity of the bath in that region. A water jacket positioned in contact with the front face of the extruder head prevents scorching of the elongated member prior to vulcanization.

REFERENCES:
patent: 2139414 (1938-12-01), Lee
patent: 2678838 (1954-05-01), Richardson et al.
patent: 3588954 (1971-06-01), Nakamura et al.
patent: 3635621 (1972-01-01), Miyauchi et al.
patent: 3909177 (1975-09-01), Takaoka et al.
patent: 4029450 (1977-06-01), Caser
patent: 4179256 (1979-12-01), Tomioka et al.

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