Web construction and method for making web

Details Web construction and method for making web Web construction and method for making web

B - Operations, Transporting

65

H

271/47

B65H 20/20 (2006.01)

Patent

CA 1197874

-35- ABSTRACT In a machine, such as a plotter or sign maker, wherein the web is fed longitudinally of itself by a pair of feed sprockets two corresponding pins of the two sprockets are visually distinguished from the other pins and at intervals along the length of the web corresponding holes on opposite sides of the web are visually distin- guished from the other holes to enable a pair of such distinguished web holes to be loaded onto the pair of distinguished sprocket pins, thereby assuring proper loading of the web onto the machine and eliminating the possibility of subsequent faulty operation of the machine due to web misloading. The distinguished pairs of web holes are so distinguished by extra holes in the web and the distinguished pair of pins of the two sprockets are so distinguished by extra pins on the sprockets or by causing the two distinguished pins to have a color or other visual characteristic different from that of the other pins.

449571

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