Sheet-material associating – Associating and folding – Zigzag package
Patent
1994-03-29
1996-09-24
Ryznic, John E.
Sheet-material associating
Associating and folding
Zigzag package
414 21, 4147883, 4147912, 4147947, 414907, 414923, 414924, 414925, 493412, 493415, B65B 3550, B65G 5700, B65H 2900
Patent
active
055583180
ABSTRACT:
A system for conveying folded web and forming discrete stacks of folded web comprising a conveyor that receives a stack of folded output web from a web folder and separator. The conveyor drives the web from an upstream end, adjacent the web folder and separator, to a downstream end. A supporting surface, which can comprise a plurality of pivoting rails biased by a spring, selectively supports the web remote from and off of the conveyor so that a compressed stack can be formed adjacent the folder and separator. At selected times, the stack is moved by the supporting surface into communication with the folder and separator so that it can be conveyed downstream. An elevator platform can be located at the downstream location for receiving successive stacks thereon. The elevator ascends and descends so that the tops of the successive stacks are aligned with the conveyor for receipt of a further stack thereon. The elevator platform can include a drive that enables it to rotate so that successive stacks are deposited on the elevator platform in a rotationally offset orientation relative to each other.
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Bianchetto Peter E.
Clifford John W.
Crowley H. W.
Silva Stephen E.
Taylor Bruce J.
Roll Systems Inc.
Ryznic John E.
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