Positioning mechanism for calender rolls

Details Positioning mechanism for calender rolls Positioning mechanism for calender rolls

1979-11-26

1981-05-12

Feldman, Peter

Presses

Concurrent pressing and conveying

Roll type

100 47, 100163A, 100170, B30B 304, B30B 1516

Patent

active

042664756

ABSTRACT:
A positioning mechanism for calender machines is disclosed. The mechanism employs an interconnected piston and cylinder arrangement whereby the rolls may be separated quickly and subsequently automatically repositioned. When a paper break occurs or when it is otherwise desired to separate the rolls quickly, the cylinders, by means of a lost motion connection, quickly separate the rolls by a specified amount to prevent damage to the apparatus. A hydraulic circuit maintains the spacing required for the lost motion connection and allows for interchanging of rolls of different diameters.

REFERENCES:
patent: 3013526 (1961-12-01), Crumrine et al.
patent: 3584570 (1971-06-01), Sass et al.
patent: 3777656 (1973-12-01), Muller
patent: 3884140 (1975-05-01), Christ et al.
patent: 3884141 (1975-05-01), Lehmann
patent: 3948166 (1976-04-01), Wenzel

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