Continuous web supply apparatus

Details Continuous web supply apparatus Continuous web supply apparatus

B - Operations, Transporting

65

H

242/56

B65H 19/16 (2006.01) B65H 19/18 (2006.01)

Patent

CA 1105435

- 1 - ABSTRACT CONTINUOUS WEB SUPPLY APPARATUS An apparatus for providing a continuous supply of web material to a web printer or other system. It is necessary to achieve this so that a printing operation, for example, may continue in uninterrupted fashion even as successive rolls of printing paper or other web material are depleted. The web material is fed from a first roll (36) supported in a feed posi- tion, and when the first roll is near depletion, the leading end of a second roll (36) is adhesively connected to the web of the first roll with that web then being severed. One belt drive means (48) is employed for rotating both the forward and rearward rolls so that these achieve the same speed for the connecting and severing operations. The belt drive means are connected to the press drive through control means (73) which vary the belt drive speed in accordance with the tension of the web. An indexing conveyor (30, 32) supports forward and rearward rolls to locate the rolls in the forward and rear- ward running positions and in intermediate positions for con- necting and severing of the web material and for loading of new rolls into the system.

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