Web material having edge hole patterns for sprocket driving

Details Web material having edge hole patterns for sprocket driving Web material having edge hole patterns for sprocket driving

B - Operations, Transporting

65

H

271/47

B65H 20/20 (2006.01) B42D 5/02 (2006.01)

Patent

CA 1296749

ABSTRACT OF THE DISCLOSURE: A hole pattern for use in web material is disclosed. Such hole pattern comprises a series of regularly spaced holes adapted to receive pins from a co- operating drive sprocket. A portion of these holes are elongated and are spaced periodically therealong. A number of either the elongated or non-elongated holes are shaped so as to be bi-laterally non-symmetrical, such that the directionality of these holes is visually distingishable. P12399-1

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