Sheet-material associating – Associating and folding – Sheet associating
Patent
1996-01-26
1997-04-01
Nguyen, Hoang
Sheet-material associating
Associating and folding
Sheet associating
270 5216, 270 5229, B42C 100, B65H 3900
Patent
active
056158718
ABSTRACT:
A sheet material handling apparatus includes a collator conveyor, a hopper, and a sheet material handling assembly. The sheet material handling assembly removes sheet material articles from the hopper, folds the sheet material articles, creases the sheet material articles, and deposits the sheet material articles on the conveyor. The sheet material handling assembly includes a rotatable drum having grippers which grip a sheet material article. A folder assembly forms a fold in a central portion of the sheet material article while the sheet material article is held by the grippers and the drum is rotated. A creaser assembly creases the fold during continued rotation of the drum. The gripper assembly is then operated to release the sheet material article for movement toward the conveyor. Thereafter, the creaser assembly releases the sheet material article and the sheet material article is deposited on the conveyor.
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patent: 3650525 (1972-03-01), Hageman et al.
patent: 4706950 (1987-11-01), Rvetschle et al.
patent: 4844433 (1989-07-01), Hastie
patent: 4989850 (1991-02-01), Weller
patent: 5067700 (1991-11-01), Dick
patent: 5100118 (1992-03-01), Hobbs et al.
Heidelberg Finishing Systems Inc.
Nguyen Hoang
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