Supplying bobbins to web splicing devices

Details Supplying bobbins to web splicing devices Supplying bobbins to web splicing devices

1979-11-21

1981-01-20

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 56A, 242 583, B65H 1920

Patent

active

042457955

ABSTRACT:
The device which splices the leaders of webs on successive fresh bobbins to the running webs of expiring bobbins in a cigarette maker receives fresh bobbins from a magazine which discharges fresh bobbins one after the other when the need arises. The discharged fresh bobbin rolls along a downwardly sloping ramp and is arrested by the holder for a blade which is thereupon caused to move in parallelism with the axis of the arrested fresh bobbin so as to sever the outermost layer or layers of convoluted flexible material on the core of such fresh bobbin. The outermost layer is a protective strip which surrounds the outermost convolution of the cigarette paper web. A foraminous belt conveyor is installed below the fresh bobbin which abuts against the holder for the blade and this conveyor cooperates with one or more suction chambers to attract the severed layer or layers as well as the freshly formed leader of the cigarette paper web. The freshly formed leader is transported into the splicing device so that it can be attached to the running web as soon as the supply of cigarette paper on the expiring bobbin is almost exhausted. The fresh bobbin which abuts against the holder for the blade is attached to the spindle of one of several bobbin holders which are indexible with a disk-shaped carrier.

REFERENCES:
patent: 3640480 (1972-02-01), Schleich
patent: 3730811 (1973-05-01), Wendt

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