Winding-up device for paper webs, especially wide paper webs on

Details Winding-up device for paper webs, especially wide paper webs on Winding-up device for paper webs, especially wide paper webs on

1978-06-01

1979-10-16

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 752, B65H 1702, B65H 2310

Patent

active

041711076

ABSTRACT:
A winding-up device for paper webs, especially wide paper webs, on a driven cylinder with a guiding roller which is adapted in response to an increase in the diameter of the wound up web material by means of two cylinder-piston units to be tilted away from the cylinder shaft while a constant distance is maintained between the guiding roller and the surface of the wound-up webs. The device comprises two pitot heads or tubes respectively radially directed toward each end of the cylinder and toward the wound-up webs. The device furthermore comprises two converter containers individually connected to the cylinder chambers on both sides of the piston of the hydraulic cylinder piston units, and acted upon by different pressures. The winding-up device also has a 2/2 way valve and a parallelly arranged check valve while the pitot head and the converter containers are adapted together to be connected to a compressed air network.

REFERENCES:
patent: 3387798 (1968-06-01), Young
patent: 3670980 (1972-06-01), Mukai
patent: 3749328 (1973-07-01), Dusenbery

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