Calender for pressure and thermal treatment of material webs

Details Calender for pressure and thermal treatment of material webs Calender for pressure and thermal treatment of material webs

1984-01-30

1986-08-12

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Temperature control

100 93RP, 264175, 425194, 425363, B29C 4324

Patent

active

046053662

ABSTRACT:
At least one roll of the calender is heated and provided with heat insulating shields pivotably mounted on the sides of the calender and heat insulating end covers disposed at the ends of the rolls. A counter roll (controlled deflection roll) cooperates with the heated roll in the direction of its pressure or pressing action. The counter roll is provided with a cooling device (blower device) which is capable of being regulated in zones for cooling the surface of the counter roll.

REFERENCES:
patent: 1022617 (1912-04-01), Wintermeyer
patent: 1740064 (1929-12-01), Boertlein
patent: 1745891 (1930-02-01), Dimeo
patent: 2882554 (1959-04-01), Heck
patent: 3042968 (1962-07-01), Kraszeski
patent: 3871290 (1975-03-01), Verboom
patent: 4054276 (1977-10-01), Wilson
patent: 4114528 (1978-09-01), Walker
patent: 4140894 (1979-02-01), Katakura et al.
patent: 4154078 (1979-05-01), Lehmann
patent: 4222324 (1980-09-01), Biondetti
patent: 4249290 (1981-02-01), Lehmann
patent: 4262511 (1981-04-01), Boisvert et al.
patent: 4272976 (1981-06-01), Pizzedaz
patent: 4317026 (1982-02-01), Koblo et al.
patent: 4372736 (1983-02-01), Gooch et al.

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