B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
270/160
B32B 1/00 (2006.01) B41J 11/00 (2006.01) B41J 13/12 (2006.01) B65G 47/74 (2006.01)
Patent
CA 1201458
SHEET CARRIER FOR TRACTOR-FEED PRINTERS ABSTRACT OF THE DISCLOSURE Prior art methods of transporting sheets of paper such as letterhead sheets through tractor-feed printers have included the use of glue, and of vacuum, to hold the sheet onto a carrier. (The carrier has a series of holes along each of its edges characteristic of the tractor-feed system.) Pockets formed by folding the carrier have also been proposed. Disclosed is an improved carrier where the pockets are formed simply and inexpensively by the double thickness band caused by the overlapping of pieces of the carrier. This manner of forming the pockets lends itself to the provision of an endless-loop type of carrier, since the final joint between pieces can be made after the carrier has been fed through the tractor rollers of a tractor-feed printer. The pieces of the carrier may be plastic or paper and may be disposable after use or re-usable depending on the type of adhesive used.
432162
Hewson Donald E.
Weston Colin K.
LandOfFree
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