Feeding web material

Details Feeding web material Feeding web material

1981-12-08

1984-12-04

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 58, 226 95, 226 97, B65H 1918, B65H 2100, B31F 506

Patent

active

044859813

ABSTRACT:
Apparatus for capturing the outer end of a web to be unreeled from a reel comprises rotatable reel-holding means, driving means adapted for rotating a reel in the reel-unwinding direction and in the contrary direction, an elongate air mover operable for moving the web and so mounted that the inlet end thereof is movable nearer to and further from the axis of rotation of the reel-holding means to permit the maintenance of the said inlet end in close proximity to the periphery of a reel, held by the said holding means, over a range of reel radii. The air mover suitably has a pivotal mounting at the outlet end and rests at its inlet end in contact with the reel, descending under gravity as the reel is unwound and thus accomodating its position to the decreasing radius of the reel. Sensing means may operate to detect the capture of a web end at the said inlet end and to produce a signal for changing the direction of reel drive to the unwinding direction from the contrary direction. There may be two said reel-holding means each associated with a respective air mover, the air movers having a common pivotal axis at their closely located outlet ends.

REFERENCES:
patent: 3741453 (1973-06-01), Pierce et al.
patent: 3873393 (1975-03-01), Bruck et al.
patent: 4218032 (1980-08-01), Nagel et al.

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