B - Operations – Transporting – 43 – M
Patent
B - Operations, Transporting
43
M
B43M 3/04 (2006.01) B31B 1/26 (2006.01) B31F 7/00 (2006.01) B65H 45/04 (2006.01) B42D 15/08 (2006.01)
Patent
CA 2672287
A cross-fold system for use in combination with a device for folding sheet material and includes a rigid guide structure having a stationary reaction surface for supporting and guiding folded sheet material along a feed path between a sheet feed mechanism and a tensioning mechanism. Furthermore, the cross-fold system includes a paper break assembly disposed between the sheet feed mechanism and the tensioning mechanism. The paper break assembly, furthermore, includes an abrasion bar disposed transversely of the feed path and in opposed relation to the rigid guide. Moreover, the paper break assembly is repositionable from an active position to an inactive position such that, in the active position, the abrasion bar pressingly engages the sheet material against the stationary reaction surface of the guide assembly, and, in the inactive position, the abrasion bar permits the sheet material to pass to the tensioning mechanism without engaging the sheet material. When the paper break assembly is in the active position, the tensioning mechanism is operative to pull the folded sheet material across the abrading bar to yield the adhesive bond between the reinforcing fibers of the sheet material. As such, a subsequent cross-fold of the folded sheet material is facilitated.
Clarke Nicholas S.
Everatt Daniel
Woodliffe Mark
Pitney Bowes Limited
Sim & Mcburney
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