Precreasing of paper tape

Details Precreasing of paper tape Precreasing of paper tape

B - Operations, Transporting

65

H

B65H 45/22 (2006.01) B65H 47/00 (2006.01)

Patent

CA 2047942

ABSTRACT In the manufacture of wallboard joint tape, the narrow paper strip, with an embossed centerline, is folded along the centerline and, while folded, advanced at speeds up to 2,000 feet/minute through a gap, about three times the doubled paper thickness, between a pair of spaced parallel rollers, then unfolded, guided laterally by relatively rigid fingers and accumulated in rolls of desired lengths. This novel precreasing results in subsequent ease of consistent, accurate folding when desired for use in taping over wallboard corner joints.

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