[특허]Method and apparatus for forming a stream of partly overlapping paper sheets or the like

[미국특허] Method and apparatus for forming a stream of partly overlapping paper sheets or the like 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65H-005/34
출원번호	US-0148220 (1980-05-09)
우선권정보	DE-2725547 (1977-06-07)
발명자 / 주소	Kwasnitza Hans-Dieter (Neuffen DEX)
출원인 / 주소	De La Rue Giori S.A. (Lausanne CHX 03)
인용정보	피인용 횟수 : 23 인용 특허 : 1

초록 ▼

A first stream of non-overlapping spaced-apart sheets which move at a high speed is converted into a second stream of partially overlapping sheets by braking successive sheets of the first stream and deflecting the trailing portions of braked sheets laterally to enable the oncoming foremost sheets of the first stream to catch up with and partly overlap the preceding sheets. When the first stream exhibits a gap as a result of the absence of one or more sheets, or independently of the presence or absence of gaps, the deflection of the braked sheet is repeated at a location which is nearer to the braking station to thus insure that the trailing portion of the braked sheet preceding a gap is deflected laterally immediately before the sheet which follows the gap catches up therewith. The deflection of trailing portions which precede gaps in the first stream is effected by suction. The locus of such deflection can be shifted lengthwise of the path for the sheets in dependency on changes of the ratio of the speeds of first and second streams, on changes of the width of clearances between the sheets of the first stream and/or in dependency on changes of the length of sheets.

대표청구항 ▼

A method of forming a stream of partially overlapping flexible sheets, comprising the steps of transporting a series of discrete spaced-apart non-overlapping sheets at a relatively high first speed in a predetermined direction along a predetermined path; decelerating successive sheets of said series in a first portion of said path to a lower speed whereby each sheet following the respective preceding sheet in said first portion of said path catches up with the preceding sheet in a second portion of said path upstream of said first portion, as considered in said direction; deflecting the trailing portion of each preceding sheet at a first deflecting station as it travels at said lower speed past said first station and when there is no gap in said series of discrete sheets due to the absence of at least one sheet in said series, said deflection occuring substantially immediately before the following sheet catches up therewith so that the leader of each following sheet overlies the trailing portion of the respective preceding sheet before the following sheet enters into and is decelerated in said first portion of said path; and deflecting the trailing portion of a decelerated sheet as it travels at the lower speed past a second deflecting station downstream from said first station, as considered in said direction when said series of discrete sheets exhibits a gap as a result of the absence of at least one sheet in said series so that the trailing portion of the sheet preceding a gap is deflected substantially immediately before the sheet following such gap catches up therewith.

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Vits Hilmar (Leichlingen DT), Arrangement for the stackwise depositing of separate equally-long sheets on a repository.
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이 특허를 인용한 특허 (23) 인용/피인용 타임라인 분석

Jensen, David William, Air-based picker assembly for a printer.
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Matthias Geske DE; Bernd Hopner DE, Apparatus for converting a file of successive sheets into a stream of partially overlapping sheets.
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Herd, Nicolas, Apparatus for conveying sheet-type flat items.
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Jensen,David William, Apparatus for separating a sheet of print media from a stack of sheets.
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Kriefall Horst (Bad Hersfeld DEX) Rohrbach Helmut (Ronshausen DEX) Fischer Siegfried (Bad Hersfeld DEX), Apparatus for stacking sheets.
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Herd,Nicolas, Device for conveying sheet-type flat items.
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Littleton Francis J. (Alden NY), Double slow down pinless and gripperless delivery system.
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Robichaud Arthur W. (West Worthington OH) Duffy Timothy W. (Dublin OH), Laser processing of discrete sheets of material.
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Maertin Uwe,DEX ; Hofmann Christoph,DEX ; Zimmermann Armin,DEX, Method and apparatus for forming a scaled flow of overlapping shipments.
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Besemann Alfred (Hamburg DEX), Method and apparatus for forming a stream of partially overlapping paper sheets or the like.
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Zimmermann, Armin, Method and device for diverting flat objects.
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Jensen,David William, Method of feeding porous sheets of media from media stack.
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Jensen, David William, Printer incorporating a sheet displacement mechanism having an array of spaced apart nozzles.
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Jensen, David William, Printer incorporating air displacement mechanism.
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Jensen, David William, Printer incorporating interposed air expulsion and air suction nozzles.
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Jensen, David William, Printer incorporating opposed printhead assemblies.
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Jensen, David William, Printer incorporating pick-up assembly of air nozzles.
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Jensen, David William, Printer incorporating rotatable pick-up assembly of air nozzles.
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Jensen,David William, Printer with a picker assembly.
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Robichaud Arthur W. ; Duffy Timothy W., Processing discrete sheets of material.
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Hechler Hatto (Augsburg DEX) Petersen Godber (Augsburg DEX) Frick Alfons (Knigsbrunn DEX), Sheet separating and transport apparatus.
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Hamricke Kevin K. (Des Moines IA), Signature delivery and stacking apparatus.
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Littleton Francis J. (Alden NY), Sweet diverting and delivery system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method and apparatus for forming a stream of partly overlapping paper sheets or the like 원문보기