Sheet-material associating – Associating or disassociating – Sheet associating
Patent
1988-10-11
1990-08-14
Garrett, Robert E.
Sheet-material associating
Associating or disassociating
Sheet associating
412 2, 4147895, 4147896, 270 58, B65H 4300
Patent
active
049481118
ABSTRACT:
Backing boards are delivered one at a time from a supply hopper to a stack of printed paper sheets at the stacking station outfeed end of a printing press while the outfeed of the next succeeding printed sheet is delayed for a time sufficient to allow the backing board to be delivered onto the stack. In one embodiment, the delay is achieved by stopping delivery of a blank sheet to the printing station of the press. In another embodiment, the delay is achieved by extending an arm into the path of gravity fall of the printed paper sheet toward the stack. A plurality of groups of printed sheets, each provided with a backing board, thus may be assembled in the stack. If the stack is to be bonded together with adhesive at one edge, a cutting line is installed at each backing board to facilitate cutting the adhesive layer to form a plurality of pads. The board inserting apparatus is supported on a vertically adjustable housing to adapt it to various types and sizes of commercial printing presses.
REFERENCES:
patent: 3979112 (1976-09-01), Munn
patent: 4068835 (1978-01-01), Bortner
patent: 4473425 (1984-09-01), Baughman
patent: 4626156 (1986-12-01), Baughman
patent: 4671719 (1987-06-01), Pulskamp
Garrett Robert E.
Newholm Therese M.
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