Winding machine with support cylinders and air pressure relieved

Details Winding machine with support cylinders and air pressure relieved Winding machine with support cylinders and air pressure relieved

1994-10-13

1999-01-05

Nguyen, John Q.

Winding, tensioning, or guiding

Convolute winding of material

With particular drive

242542, 2425423, B65H 1814, B65H 1826

Patent

active

058553371

ABSTRACT:
In a winding machine, the space defined by the support cylinders and the winding rolls is sealed and an overpressure is created in this space to relieve the force with which the winding rolls press against the support cylinders. For the purpose, in the area of the two lateral ends of the support cylinders sealing elements are arranged, which for adjustment to various web widths, are axially displaceable and at the same time can be moved away to an area outside the motion range of guide heads and their mounting. In the sealing position of the sealing elements, a fictional-look connection with the support cylinders is avoided.

REFERENCES:
patent: 3346209 (1967-10-01), Cornin
patent: 3497151 (1970-02-01), Voss
patent: 4483493 (1984-11-01), Schonmeier
patent: 4895315 (1990-01-01), Salmela et al.
patent: 4969609 (1990-11-01), Scheuter
patent: 4993310 (1991-02-01), Sackenreuter et al.

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