Heat treatment apparatus for continuously advanced material

Details Heat treatment apparatus for continuously advanced material Heat treatment apparatus for continuously advanced material

1989-07-28

1991-09-03

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means treating shaped work

198779, 432121, 425DIG108, B29C 3502, B65G 1724, F27D 312

Patent

active

050449206

ABSTRACT:
Known heat treatment apparatus for continuously advanced material, for example for extruded strip to be vulcanized, include an endless transporting element which is in the form of a belt of steel or of coated glass fiber fabric according to the thermal load. Such conveyor belts have an adverse influence on the engaging surface of the extruded strip and cause surfae defects. The invention aims to achieve a largely defect-free end product and it includes a transporting element in which a plurality of rotatably mounted cylindrical rollers are arranged one behind the other between two mutually parallel chains, each roller being rotated by friction forces on at least one stationary strip as the roller is carried along by the chains.

REFERENCES:
patent: 385251 (1888-06-01), Daniels
patent: 2697509 (1954-12-01), Cushman
patent: 2777566 (1957-01-01), King
patent: 2829762 (1958-04-01), Oswald
patent: 3406810 (1968-10-01), Blair et al.
patent: 4764102 (1988-08-01), Takahashi

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