Method and apparatus for separating, feeding and/or folding shee

Details Method and apparatus for separating, feeding and/or folding shee Method and apparatus for separating, feeding and/or folding shee

1985-11-25

1987-11-24

Eickholt, E. H.

Sheet-material associating

Associating and folding

Sheet associating

270 58, 271 91, 271 93, 271 98, 271106, B42C 100, B65H 340

Patent

active

047083336

ABSTRACT:
A method of separating and feeding sheets from a stack comprises the steps of bringing a pick-up head into engagement with an intermediate portion of the top sheet of the stack while leaving the opposite ends of the sheet free, applying an air stream from each of the opposite sides of the stack and directed inwardly to impinge against the stack and to cause the free ends of the top sheets of the stack to separate from the underlying sheets, and moving the pick-up head with the picked-up top sheet away from the stack.

REFERENCES:
patent: 1460314 (1923-06-01), Deck
patent: 2236363 (1941-03-01), Backhouse
patent: 3168308 (1965-02-01), Walton et al.
patent: 3684276 (1972-08-01), Bridgeman
patent: 3980293 (1976-09-01), Shelmire
patent: 4231568 (1980-11-01), Boucraut
patent: 4310151 (1982-01-01), Fu Zimoto
patent: 4397457 (1983-08-01), Hinchcliffe et al.
patent: 4568073 (1986-02-01), Van Horne
patent: 4635917 (1987-01-01), Granot et al.

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