Automatic device for fixing the edge of a moving band

Details Automatic device for fixing the edge of a moving band Automatic device for fixing the edge of a moving band

1976-09-09

1978-02-14

Schacher, Richard A.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

226 19, 226 22, 226 23, B65H 2526

Patent

active

040734480

ABSTRACT:
An automatic device for fixing the edge of a moving band, wherein the roll holder that feeds the band over at least one bar, is controlled by the band roll cross-traverse mechanism. This mechanism is made as an air cylinder whose chambers communicate with a system of compressed gas through a number of pipings and throttle valves provided in each of said pipings, whereas connected with their inlets between each of the throttle valves and the respective chamber of the air cylinder are nozzles adapted to provide a uniform gas discharge from both air cylinder chambers at a time. At least one of said nozzles is provided with a closure adapted to interact with the band edge, and thus serves as the band edge position detector capable of effecting control over the air cylinder operation.

REFERENCES:
patent: 2552189 (1951-05-01), Kuehni
patent: 3039483 (1962-06-01), Deering
patent: 3079805 (1963-03-01), Rojecki
patent: 3727817 (1973-04-01), Tibavido

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