Mobile film stretching unit

Details Mobile film stretching unit Mobile film stretching unit

1982-01-20

1983-10-11

Czaja, Donald E.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For press shaping surface

425 66, 425136, 425224, 425397, 425445, 2642884, A01J 2100

Patent

active

044089740

ABSTRACT:
A film stretching unit movably positioned adjacent to an existing calender installation is described which includes a plurality of strecthing rollers having internal rotary joints for circulating a heating fluid therethrough. Alternate rollers are movable vertically without needing to change their rotational speed in order to easily thread the film through the stretching rollers.

REFERENCES:
patent: 2812550 (1957-11-01), Chauannes
patent: 2815531 (1957-12-01), Stewart
patent: 3208100 (1965-09-01), Nash
patent: 3217794 (1965-11-01), Meyer
patent: 3243844 (1966-04-01), Nash
patent: 3351697 (1967-11-01), Hufnagel
patent: 3435648 (1969-04-01), Bergstrom
patent: 3581340 (1971-06-01), Thieme
patent: 3744106 (1973-07-01), Baum
patent: 4014636 (1977-03-01), Pawekzyk
patent: 4261944 (1981-04-01), Hufnagel

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