Method for applying a tractive force to a stack of tissues with

Details Method for applying a tractive force to a stack of tissues with Method for applying a tractive force to a stack of tissues with

1996-06-07

1997-11-25

Darling, John P.

Advancing material of indeterminate length

Processes

226172, B65H 2006

Patent

active

056902638

ABSTRACT:
During tissue converting operations, a tissue "sausage" is conveyed between a pair of converging tractive belts to a cut-off saw where the sausage is cut into individual clips of tissue. Tissue bulk is preserved by providing the tissue-contacting surfaces of the belts with spaced-apart protrusions which cause the tissue sausage to assume a profile approximating a sine wave. The sine wave profile increases the tractive force of the belts, which in turn allows a lowering of the compressive load exerted by the belts on the tissue sausage. As a result, the bulk loss of the tissue sheets within the sausage is reduced.

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