[특허]Apparatus for forming individual stacks from an endless web

[미국특허] Apparatus for forming individual stacks from an endless web 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65H-045/00 B65H-045/20
출원번호	US-0246917 (1981-03-23)
우선권정보	DE-3013865 (1980-04-10)
발명자 / 주소	Felix Willi (Strengelbach CHX)
출원인 / 주소	Jos. Hunkeler AG Fabrik fr Graphische Maschinen (Wikon CHX 03)
인용정보	피인용 횟수 : 39 인용 특허 : 2

초록 ▼

A support or carrier web, composed of sections interconnected along a separation or fracture line, is folded in a zig-zag configuration and stacked upon an elevationally displaceable support element. After the stack reaches a certain height pressure fingers are pivoted into an effectual position where they press against one side of the finished-form stack. Above these pressure fingers there are arranged suction heads which can be advanced into a position where they engage below the further arriving sections. By applying negative pressure, effective at a suction opening, there is fixidly retained at least the lowermost section of the next stack to be formed. Both of the sections belonging to the different stacks are held in an open position by the suction heads. Into the opening between both of the aforementioned sections there is introduced a roll grate carrying at its leading end a cutter or knife. This cutter disconnects both of the mentioned sections at their common connection location, and the support element now is lowered into a lower terminal position where it transfers the finished-formed stack to conveyor bands. The suction heads are again retracted so that the formed partial stack can be deposited upon the roll grate. The forming partial stack is supported for such length of time upon such roll grate until the support element, when ready to assume its stack support function, again arrives at its upper end position where it takes-over the partial stack previously reposing upon the roll grate. Due to the temporary deposition of the partial stack upon the roll grate it is not necessary to interrupt the continuous infeed of the web during the separation and outfeed of the finished stack.

대표청구항 ▼

An apparatus for forming individual stacks from an endless web composed of interconnected web sections, comprising: means for the substantially zig-zag folding of a continuously infed web at connection locations of the web sections with one another; a support element upon which there can be supported stacks formed of the zig-zag folded web, each stack having an uppermost web section; a separation device for the periodic separation of the uppermost web section of one of the stacks reposing upon the support element from a next following web section of the web which forms a lowermost web section of a next successive stack which is to be formed after forming the one stack reposing upon the support element and which one reposing stack is composed of a predetermined number of mutually interconnected, superimposed web sections of the web; holder means for temporarily fixedly and individually retaining during said periodic separation each of said uppermost web section of said one reposing stack and said next following lowermost web section of said next successive stack which is to be formed and which web sections are to be separated from one another; a support device movable into an effectual position engaging below arriving web sections intended to form said next successive stack when said one reposing stack which defines a previously finished-formed stack is being removed from the support element; means for displacing said support device into said effectual position; said support element, when ready to receive a new stack, taking-over a partial stack of said next successive stack which is to be formed and temporarily formed upon said support device; said holder means comprising a first retention arrangement for the retention of at least the uppermost web section of the previously finsihed-formed stack and a second retention arrangement for holding at least the lowermost web section of the next successive stack to be formed; both of said retention arrangements being located in spaced superimposed relationship in order to retain in a raised position from one another, during the separation operation, the web sections which are to be separated from one another; and said first retention arrangement comprising at least one movable holder element which can be brought into a position where it defines means for directly pressing upon the previously finished-formed stack. An apparatus for forming individual stacks from an endless web composed of interconnected web sections, comprising: means for the substantially zig-zag folding of a continuously infed web at connection locations of the web sections with one another; a support element upon which there can be supported stacks formed of the zig-zag folded web, each stack having an uppermost web section; a separation device for the periodic separation of the uppermost web section of one of the stacks reposing upon the support element from a next following web section of the web which forms a lowermost web section of a next successive stack which is to be formed after forming the one stack reposing upon the support element and which one reposing stack is composed of a predetermined number of mutually interconnected, superimposed web sections of the web; holder means for temporarily fixedly and individually retaining during said periodic separation each of said uppermost web section of said one reposing stack and said next following lowermost web section of said next successive stack which is to be formed and which web sections are to be separated from one another; a support device movable into an effectual position engaging below arriving web sections intended to form said next successive stack when said one reposing stack which defines a previously finished-formed stack is being removed from the support element; means for displacing said support device into said effectual position; said support element, when ready to receive a new stack, taking-over a partial stack of said next successive stack which is to be formed and temporarily formed upon said support device; said folding means comprises a rotatably driven drum over which there is guided the web to be folded in zig-zag configuration; means for fixedly retaining each second incoming web section at the region of a leading edge thereof during the rotation of the drum for such length of time until the retained web region is located at an underside region on the drum; said fixedly retaining means comprises at least two selectively operative holder devices provided for said drum; and said holder devices being arranged in spaced relationship from one another at the circumference of said drum by an amount essentially corresponding to twice the length of a web section.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

Nystrand Ernst D. (De Pere WI), Method and apparatus for zig-zag folding.
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Takahashi ; Shokichi, Web folding apparatus.
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이 특허를 인용한 특허 (39) 인용/피인용 타임라인 분석

Gendron,Jeffrey A.; Michler,James R.; Schmidt, V.,Charles L., Apparatus and method for insertion of separating means into a forming stack of sheets discharged from a starwheel assembly.
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Michler, James R.; Gendron, Jeffrey A.; Couturier, Dennis P., Apparatus and method for stacking sheets discharged from a starwheel assembly.
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Michler,James R.; Gendron,Jeffrey A.; Couturier,Dennis P., Apparatus and method for stacking sheets discharged from a starwheel assembly.
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Hathaway, John M., Apparatus and process for separating and removing bundles of sheets.
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Hathaway John M. (Green Bay WI), Apparatus and process for separating stacks of sheets into bundles.
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Buck Hermann (Dettingen DEX), Apparatus for folding and cutting web stacks.
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Felix Willi (Strengelbach CHX), Apparatus for folding and stacking of continuous web in zigzag arrangement.
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Buck Hermann (Dettingen/Erms DEX) Sommer Werner (Beuren DEX), Apparatus for forming folded stacks from a web.
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Kwasnitza Hans D. (Neuffen DEX), Apparatus for zig-zag folding of paper webs and the like.
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Strahm Christian,CHX, Device and method for continuous plaiting of web-shaped material.
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Steinborn, Peter; Dzekan, Horst; Schumann, Klaus; Laux, Wolfgang; Horstmann, Michael, Method and device for inserting a plurality of individual sheetlike forms of administration in a dispenser by forming a multilayer pile.
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Steinborn,Peter; Dzekan,Horst; Schumann,Klaus; Laux,Wolfgang; Horstmann,Michael, Method and device for inserting a plurality of individual sheetlike forms of administration in a dispenser by forming a multilayer pile.
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Schlottke Karl-Heinz (Tangstedt DEX) Peter Jrgen (Hamburg DEX), Method of and apparatus for gathering and manipulating stacked zig-zag formations of paper sheets.
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Couturier,Dennis P.; Kauppila,Greg M., Method of forming a stack of interfolded sheets of web.
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O'Connor Lawrence J.,CAX ; Van Mol Darrell,CAX, Method of packaging a strip of material.
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O'Connor, Lawrence J.; Van Mol, Darrell, Method of packaging a strip of material.
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Lawrence J. O'Connor CA, Method of packaging a strip of material for use in cutting into sheet elements arranged end to end.
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O'Connor, Lawrence J., Method of packaging a strip of material for use in cutting into sheet elements arranged end to end.
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Hyvarinen, Paavo; Niemi, Tapio; Makinen, Jarmo, Method of packaging a web, and a package produced thereby.
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Mack Jory B. (Chicago IL), Multi-layered label.
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O'Connor Lawrence J.,CAX ; Van Mol Darrell,CAX, Packaging a strip of material.
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O'Connor, Lawrence J.; Van Mol, Darrell, Packaging a strip of material.
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O'Connor Lawrence J.,CAX, Packaging a strip of material in layers with intervening splices.
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O'Connor Lawrence J.,CAX ; Van Mol Darrell,CAX, Packaging a strip of material with compression to reduce volume.
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O'Connor, Lawrence J.; Van Mol, Darrell, Packaging a strip of material with compression to reduce volume.
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Meschi Luciano (Corso Amedeo 73 57100 Livorno ITX), Receiving, cutting and piling equipment for strips of sheet material.
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Schmidt ; V Charles Louis, Separator finger apparatus.
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Ochsenbauer, Edward R., Sheet folding apparatus and method.
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Ochsenbauer,Edward R., Sheet folding apparatus and method.
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Mack Jory B. (Chicago IL), Simplified multilayer label.
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Walsh, James Andrew; Butterworth, Tad T., Single path single web single-fold interfolder and methods.
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Michler, James R.; Eder, III, Martin; Schneider, Thomas W., Starwheel feed apparatus and method.
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Michler,James R.; Eder, III,Martin; Schneider,Thomas W., Starwheel feed apparatus and method.
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O'Connor Lawrence J.,CAX, Strip of material with splices and products formed therefrom.
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O'Connor, Lawrence J., Strip of material with splices and products formed therefrom.
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Dennis P. Couturier, Vacuum timing device and method for producing the same.
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Hsu, Chi Pin, Web product folding and stacking machine.
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Schmidt ; V Charles Louis ; Ning Jie, Web stacker and separator apparatus and method.
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Schmidt, V, Charles Louis; Ning, Jie, Web stacker and separator apparatus and method.
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[미국특허] Apparatus for forming individual stacks from an endless web 원문보기

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