EP1197450A2 - Steuerung eines gepulsten Luftmessers für einen Saugbandvorschubmechanismus - Google Patents
Steuerung eines gepulsten Luftmessers für einen Saugbandvorschubmechanismus Download PDFInfo
- Publication number
- EP1197450A2 EP1197450A2 EP01123358A EP01123358A EP1197450A2 EP 1197450 A2 EP1197450 A2 EP 1197450A2 EP 01123358 A EP01123358 A EP 01123358A EP 01123358 A EP01123358 A EP 01123358A EP 1197450 A2 EP1197450 A2 EP 1197450A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- feed
- pressurized air
- activated
- air valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/16—Controlling air-supply to pneumatic separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/08—Separating articles from piles using pneumatic force
- B65H3/12—Suction bands, belts, or tables moving relatively to the pile
- B65H3/124—Suction bands or belts
- B65H3/128—Suction bands or belts separating from the top of pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
- B65H3/48—Air blast acting on edges of, or under, articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/30—Forces; Stresses
- B65H2515/34—Pressure, e.g. fluid pressure
Definitions
- the present invention relates to the field of printers and copiers and in particular a receiving sheet feeding and feeding apparatus which one Suction tape feed mechanism includes where the top sheet of a stack is curled is, as well as an overpressure air separation device, as in such printers and Copiers are provided.
- This invention is useful for the device disclosed in US 5,344,133.
- the patent mentioned relates to one Vacuum air supply, a first pressurized air supply and a second About compressed air supply. The first and the second pressurized air supply used simultaneously and collectively referred to herein as an air knife.
- the overpressure air is controlled by means of valves. This is during the feed cycle Pressure air valve constantly open.
- the vacuum air valve is opened to the grab the top sheet from the stack.
- a clutch is actuated, which Suction belts drive so that the sheet is fed into the transport rollers, which are rotate constantly. After the leading edge of the sheet has reached the transport rollers and before the trailing edge of the arch meets the edge of the openings in the If the vacuum air chamber is reached, the vacuum air is deactivated and the clutch off.
- the air flow and the air flow velocity of the air knife must be sufficiently strong or large during the gripping phase to loosen the stack and the top sheet is lifted in preparation.
- Must during the transportation phase the air flow of the air knife should be strong enough to keep an air cushion between the feed sheet and the rest of the stack.
- one is too strong Airflow during the transportation phase has several undesirable effects. If the For example, if the airflow is too strong, there is a greater chance that the Sheets that are under the top sheet from the front edge to the back to be blown away. This is particularly problematic for sheets that do not have continuous trailing edge.
- the air can be the leading edge of Deform arches that have low stiffness, especially when downward directed curl (leading edge away from the suction belts), resulting in a Damage to the paper or a paper jam can result.
- the airflow must not be like this be strong that sheets that are under the sheet that is fed are fed over the mechanical stop fingers arranged along the edge of the paper drawer or that the second sheet comes into contact with the first if this is transported away from the stack. If the airflow is too strong, it can also causing the rear edge of the sheet being fed to flutter violently, whereby this in turn can come into contact with the arch underneath what can lead to this being also carried forward.
- the minimum air flow of the air knife is from the gripping and Separation needs determined during the maximum air flow of the air knife through the Transport phase is limited.
- the invention is accordingly based on the object of creating a method which optimizes the benefits of the air knife during the gripping and separation phase, while the disadvantages of the air knife are minimized during the transport phase.
- the invention relates to a method for operating a vacuum band feeder a pressurized air separation device during a feed cycle, the Vacuum air and the overpressure air with the help of a vacuum air valve and one Pressure air valve can be controlled, the paper is removed with the help of a belt which is activated when a feed clutch is operated, and wherein the Procedure to activate the vacuum air at the beginning of the feed cycle and that Deactivating the vacuum air when the supply coupling is disconnected / switched off and so on Pulse the pressurized air separation device by activating and deactivating the Overpressure air separation device includes during the feed cycle.
- US 5,344,133 describes a device that both vacuum air and Pressurized air is used to separate and close the top sheet of a feed stack take.
- both the vacuum air line and the Pressure air line through valves that control the vacuum air flow and Overpressure air flow can be used.
- both the vacuum air valve and the pressure air valve during the Feed cycle opens, and they close when the printer or Copier is not currently supplied by the feed device in question.
- the detailed description relates to a suction belt feed mechanism, at which is corrugated to the top sheet of a stack and which provides feeding from above, however, the present invention can also be used for a suction belt feed mechanism are used in which the top sheet of a stack is curled and in which one Feed from below is provided. In the latter case, the vacuum air would come together use the air knife to separate the bottom bow instead of the top bow.
- FIG. 1-2 is a receiving sheet feeder and -Infeed apparatus shown.
- the intake sheet feeder and feeder, the general numbered 10 comprises an open magazine 12 and a lifting platform 14, that carries a stack of sheets.
- a sheet stack 15 carried by the lifting platform 14 contains individual sheets that can serve as receiving sheets on which in one Copier or printer reproductions can be created.
- the sheet stack-carrying platform 14 is a lifting mechanism, the one in Performs essentially vertical lifting movement, held in the magazine 12.
- the lifting mechanism serves to raise the lifting platform 14 to such a height that the top sheet of the stack during operation at a predetermined level is held.
- the uppermost sheet is turned on by means of a sheet detection switch 80 (see Fig. 5) or kept at the predetermined level by means of several switches, wherein the switch controls a motor to operate the lifting mechanism by which the Platform is raised until one or more switches are activated.
- a sheet feed head assembly 30 is so in connection with the magazine 12 arranged to be spaced apart over a portion of the lifting table 14 Relationship to a sheet stack 15 which is carried by the lifting table 14.
- the sheet feed head assembly 30 includes an apertured chamber 32 that is connected to a vacuum air source 31 by a vacuum air valve 38, and an air knife 40 connected to a positive pressure air source 41.
- a Air knife 40 overpressure air nozzle lifts the top bow of the supported Sheet stack 15 on.
- the vacuum air acts on the through the chamber openings 33 Chamber 32 such that the top-most raised sheet of the stack then separates is seized by the sheet stack 15 on the chamber 32. Additional pressure air nozzles of the air knife 40 ensure that subsequent sheets from the gripped uppermost Sheets are separated.
- a vacuum air valve 38 (see Fig. 5) is used to control the operation of the Vacuum air and used to limit the vacuum air level. So that's it Valve open during a feed cycle so that the top sheet of the stack is raised becomes.
- the opening and closing of the Vacuum air valve timed, but the valve operation can also be based on controlled by other methods, such as a pressure switch or a mechanically operated switch.
- a pressure switch or a mechanically operated switch can be on the chamber 32 Switch be attached, which determines the time at which an arc has been gripped is.
- a signal that is emitted by the switch when gripping an arc can be used to identify multiple components of the Control sheet feed head assembly 30, such as timing the actuation or adjustment of airflow rates to the work process for a certain type of sheet (sheet size) that is fed from the receiving sheet and feeder 10 to be fed to optimize.
- activated vacuum air is meant that the vacuum air valve 38 is open.
- deactivated vacuum air means that the vacuum air valve 38 is closed.
- the belts 36 are selectively driven by a feed clutch (not shown) is operated in such a direction that the gripped sheet is out of range is removed above the sheet stack 15 and in the feed direction via a Transport route is transported to a downstream transport device, for. B. to a driven nip roller pair 50.
- the roller pair 50 is one Motor driven.
- a gear 52 is rotatably mounted on a shaft (not shown) one roller of the pair of rollers 50 is attached.
- a clutch 56 is optional activated to couple the gear 52 to the shaft 54 so that it engages with the shaft rotates.
- An intermediate gear 58 engages the gear 52 and a gear (not shown) a, which is coupled to one of the belt rollers 39.
- the tapes 36 when the clutch 56 is engaged, driven to have a gripped bow feed in such a way that the gripped sheet is transported away from the sheet stack 15 and is then available for further processing, for example for recording a reproduction from a copier or printer.
- the air knife 40 includes a first air jet arrangement 42 and a second Air jet assembly 44.
- the first air jet assembly includes a single nozzle 43 that for fluid contact is connected to a source of pressurized air 41, which at certain Embodiments an air pressure in the range of, for example, 1,000 to 2,500 Pa supplies.
- the chambers that are part of the first air jet assembly 42 and the second Air jet assembly 44 may be separate chambers or they may be one larger chamber.
- the nozzle 43 directs an overpressure air stream on the stack of sheets, in the middle of the leading edge, around the top sheets of the stack and loosen the top sheet with the sheet feed head assembly 30 bring into contact where it is captured by the vacuum air at the chamber 32 can.
- the second air jet assembly 44 includes a plurality of nozzles 46, the purpose Fluid communication with the pressurized air source 41 are connected.
- the nozzles 46 are aligned slightly subordinate to the target point of the first air nozzle 43.
- the task of the second air jet arrangement 44 is to separate sheets that are on of the sheet feed head assembly 30 adhered to the uppermost sheet.
- a relief air valve 60 is used to control the relief air flow flows through the air knife 40.
- the overpressure air separation device 40 When the overpressure air separation device 40 is activated, this means that the pressure air valve 60 is open. If the Overpressure air separation device 40 is deactivated, this means that the Pressure air valve 60 is closed. When the air relief valve 60 is closed, however, this does not necessarily mean that there is no pressure air flow. At a preferred embodiment, the relief valve 60 leaves even if it is closed, a certain air flow pass (it does not close completely).
- One in Conventionally used valve construction leaves in the "closed" state flow through about a third of the air flow that flows through an open valve.
- a conventional method for operating a suction belt feed mechanism with Pressurized air separation device in which the top sheet of a stack is corrugated during a feed cycle is vacuum valve 38 and the Activate overpressure air separation device 40 at the beginning of the feed cycle and that Vacuum air valve 38 to deactivate when the supply clutch is disconnected Overpressure air separation device 40, however, during the entire intake cycle in leave activated state.
- this method is improved in that the overpressure air separation device 40 by activating and deactivating the Overpressure air separation device 40 is pulsed during the feed cycle.
- the Positive air separation device 40 activated when the negative pressure air is activated, and deactivated before the feed clutch 56 is engaged.
- the feature of the invention is the pressurized air separation device during the gripping phase activated and deactivated during the transport phase.
- the Overpressure air separation device 40 activated when the underpressure air is activated and approximately Disabled 50 milliseconds before the feed clutch 56 is actuated.
- This Time span can be optimized for different feed speeds, for example, it may be necessary for them to move at higher feed speeds is less.
- the Overpressure air separation device 40 By pulsing the overpressure air separation device 40, the achieved one Overpressure be higher and the underpressure (air flow with "closed" Overpressure air valve 60). This means that during the gripping phase when the overpressure needed to separate the sheets from each other, a higher air pressure is available.
- the positive pressure air separator 40 deactivates is.
- the receiving sheet feed and feed apparatus 10 at heavier types of paper work better, because a higher one during gripping Air pressure is available. It is also achieved that the receiving sheet feed and intake sheet feeder 10 works better with lighter papers because the air pressure is lower during transport. Thus, through this Invention the Operating Window of the Receiving Sheet Feeder and Feeder 10 open. This control can increase the pressure level by a factor of two without significantly reducing the feed performance of light paper.
- Enables copiers or printers with multiple sheet feeders this invention further states that a smaller blower does the same job since the Overpressure air separation device 40 is not activated during the entire feed cycle.
- a method for operating a Suction belt feed mechanism in which the top sheet of a stack is curled in which the top sheet of a stack is curled, with overpressure air separation device 40 during a feed cycle, the opening of the Vacuum air valve 38 and the pressure air valve 60, the closing of the Relief air valve 60, the actuation of the feed clutch 56 on the tape feeder, the Disconnect supply clutch 56 and close vacuum valve 38.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
Description
- FIG. 1
- eine Seitenansicht eines Aufnahmebogenzufuhr- und -einzugsapparates;
- FIG. 2
- eine Draufsicht des Aufnahmebogenzufuhr- und -einzugsapparates aus Fig. 1, wobei Teile entfernt oder weggelassen sind, um die Ansicht zu ermöglichen;
- FIG. 3
- eine Seitenansicht eines Querschnitts eines Aufnahmebogenzufuhr- und - einzugsapparates entlang der Linien 3-3 aus Fig. 2;
- FIG. 4
- eine seitliche Querschnittsansicht eines Teils eines Aufnahmebogenzufuhr- und -einzugsapparates;
- FIG. 5
- eine Stirnansicht eines Teils des Aufnahmebogenzufuhr- und - einzugsapparates entlang der Linien 5-5 aus Fig. 3;
- FIG. 6
- eine Stimansicht eines Teils des Aufnahmebogenzufuhr- und - einzugsapparates entlang der Linien 6-6 aus Fig. 3.
- 10
- Aufnahmebogenzufuhr- und -einzugsapparat
- 12
- Magazin
- 14
- Hebeplattform
- 15
- Bogenstapel
- 30
- Bogeneinzugskopfanordnung
- 31
- Unterdruckluftquelle
- 32
- Kammer
- 33
- Kammeröffnungen
- 36
- Band
- 38
- Unterdruckluftventil
- 39
- Bänderrollen
- 40
- Luftmesser bzw. Überdrucklufttrennvorrichtung
- 41
- Überdruckluftquelle
- 42
- erste Luftstrahlanordnung
- 43
- einzelne Düse
- 44
- zweite Luftstrahlanordnung
- 46
- Vielzahl von Düsen
- 50
- Spaltwalzenpaar
- 52
- Zahnrad
- 54
- Welle
- 56
- Zufuhrkupplung
- 58
- Zwischenzahnrad
- 60
- Überdruckluftventil
- 80
- Bogenermittlungsschalter
Claims (6)
- Verfahren zum Betrieb eines Saugbandvorschubmechanismus, bei dem der oberste Bogen eines Stapels gewellt wird, mit einer Überdrucklufttrennvorrichtung (40) während eines Einzugszyklus, wobei die Unterdruckluft und die Überdruckluft anhand eines Unterdruckluftventils (38) und eines Überdruckluftventils (60) gesteuert werden, wobei das Papier mit Hilfe von mindestens einem Band (36) abtransportiert wird, das aktiviert wird, wenn eine Zufuhrkupplung (56) betätigt wird, und die Unterdruckluft aktiviert wird, wenn der Einzugszyklus beginnt, und deaktiviert wird, wenn die Zufuhrkupplung (56) getrennt wird
dadurch gekennzeichnet, dass das Verfahren den Schritt des Pulsens der Überdrucklufttrennvorrichtung (40) durch Aktivieren und Deaktivieren der Überdrucklufttrennvorrichtung (40) während des Einzugszyklus umfasst. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die Überdrucklufttrennvorrichtung (40) aktiviert wird, wenn die Unterdruckluft aktiviert wird, und die Überdruckluft deaktiviert wird, bevor die Zufuhrkupplung (56) betätigt wird. - Verfahren Anspruch 1,
dadurch gekennzeichnet, dass die Überdrucklufttrennvorrichtung (40) im Fall einer Einzugsgeschwindigkeit von 110 Seiten pro Minute aktiviert wird, wenn die Unterdruckluft aktiviert wird, und die Überdruckluft etwa 50 Millisekunden vor dem Betätigen der Zufuhrkupplung (56) deaktiviert wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass das Überdruckluftventil (60) im Fall einer Einzugsgeschwindigkeit von 110 Seiten pro Minute etwa 50 Millisekunden vor dem Betätigen der Kupplung (56) geschlossen wird. - Verfahren zum Betrieb eines Saugbandvorschubmechanismus, bei dem der oberste Bogen eines Stapels gewellt wird, mit einer Überdrucklufttrennvorrichtung (40) während eines Einzugszyklus, wobei die Unterdruckluft und die Überdruckluft anhand eines Unterdruckluftventils (38) und eines Überdruckluftventils (60) gesteuert werden, und das Papier anhand eines Bandes (36) abtransportiert wird, das aktiviert wird, wenn eine Zufuhrkupplung (56) in Eingriff gebracht wird, wobei das Verfahren die folgenden Verfahrensschritte umfasst:Öffnen des Unterdruckluftventils (38) und des Überdruckluftventils (60), Schließen des Überdruckluftventils (60),Aktivieren der Zufuhrkupplung (56) an der Bändereinzugsvorrichtung;Trennen der Zufuhrkupplung (56) sowie Schließen des Unterdruckluftventils (38).
- Vorrichtung mit einem Saugbandvorschubmechanismus, bei dem der oberste Bogen eines Stapels gewellt wird, mit einer Überdrucklufttrennvorrichtung (40), wobei die Unterdruckluft und die Überdruckluft anhand eines Unterdruckluftventils (38) und eines Überdruckluftventils (60) während eines Einzugszyklus gesteuert werden, wobei das Papier mit Hilfe von mindestens einem Band (36) abtransportiert wird, das aktiviert wird, wenn eine Zufuhrkupplung (56) betätigt wird, und die Unterdruckluft aktiviert wird, wenn der Einzugszyklus beginnt, und deaktiviert wird, wenn die Zufuhrkupplung (56) getrennt wird
dadurch gekennzeichnet, dass sich mit der Vorrichtung ein Verfahren gemäß einem der Ansprüche 1 bis 5 durchführen lässt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US688001 | 1991-03-12 | ||
US09/688,001 US7007944B1 (en) | 2000-10-14 | 2000-10-14 | Pulsed airknife control for a vacuum corrugated feed supply |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1197450A2 true EP1197450A2 (de) | 2002-04-17 |
EP1197450A3 EP1197450A3 (de) | 2003-11-26 |
EP1197450B1 EP1197450B1 (de) | 2008-07-23 |
Family
ID=24762708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01123358A Expired - Lifetime EP1197450B1 (de) | 2000-10-14 | 2001-10-10 | Steuerung eines gepulsten Luftmessers für einen Saugbandvorschubmechanismus |
Country Status (5)
Country | Link |
---|---|
US (1) | US7007944B1 (de) |
EP (1) | EP1197450B1 (de) |
JP (1) | JP3892265B2 (de) |
CA (1) | CA2358639C (de) |
DE (2) | DE10149965A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005095240A1 (en) * | 2004-03-29 | 2005-10-13 | Eastman Kodak Company | Vacuum corrugated belt feeder |
EP2275271A1 (de) * | 2009-07-16 | 2011-01-19 | Fujifilm Corporation | Druckmaterialtrocknungsvorrichtung und Verfahren, und Tintenstrahlaufzeichnungsvorrichtung |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050040584A1 (en) * | 2003-08-19 | 2005-02-24 | Canon Kabushiki Kaisha | Sheet feeding apparatus and image forming apparatus |
US20060033264A1 (en) * | 2004-08-09 | 2006-02-16 | Walker James C | Apparatus for release of thin coated sheets from a roller coating machine |
JP4760294B2 (ja) * | 2005-10-21 | 2011-08-31 | 富士ゼロックス株式会社 | 給紙装置及び画像形成装置 |
KR100835075B1 (ko) | 2007-03-02 | 2008-06-03 | 김남호 | 트윈스프링 체결장치 및 트윈스프링 체결방법. |
US7690642B2 (en) * | 2007-03-09 | 2010-04-06 | Xerox Corporation | Method of controlling environment within media feed stack |
US8752822B2 (en) * | 2008-09-16 | 2014-06-17 | Konica Minolta Business Technologies, Inc. | Sheet feeding apparatus and image forming system |
JP5463940B2 (ja) * | 2010-02-03 | 2014-04-09 | 株式会社リコー | シート給送装置および画像形成装置 |
US9067439B2 (en) | 2011-02-14 | 2015-06-30 | Xerox Corporation | Method and apparatus for feeding media sheets in an image production device |
US8317185B1 (en) | 2011-05-05 | 2012-11-27 | Xerox Corporation | Method and apparatus for feeding media sheets in an image production device |
JP6194656B2 (ja) * | 2013-06-25 | 2017-09-13 | コニカミノルタ株式会社 | 給紙装置及び画像形成システム |
JP6378530B2 (ja) * | 2014-05-03 | 2018-08-22 | 株式会社半導体エネルギー研究所 | フィルム吸着機構 |
JP2023095169A (ja) * | 2021-12-24 | 2023-07-06 | 株式会社リコー | 給紙装置および画像形成装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4699369A (en) * | 1986-06-27 | 1987-10-13 | Xerox Corporation | Front air knife improvement for a top vacuum corrugation feeder |
JPH05286596A (ja) * | 1992-04-08 | 1993-11-02 | Sharp Corp | 最上部シートの給送装置 |
EP0598272A1 (de) * | 1992-11-02 | 1994-05-25 | Canon Kabushiki Kaisha | Bogenzuführvorrichtung |
US5344133A (en) * | 1993-02-25 | 1994-09-06 | Eastman Kodak Company | Vacuum belt feeder having a positive air pressure separator and method of using a vacuum belt feeder |
WO1996000631A2 (en) * | 1994-06-30 | 1996-01-11 | Dentsply Research & Development Corp. | Transducer activated tool tip |
US5634634A (en) * | 1995-03-06 | 1997-06-03 | Eastman Kodak Company | Vacuum corrugated duplex tray having oscillating side guides |
US5645274A (en) * | 1993-09-22 | 1997-07-08 | Canon Kabushiki Kaisha | Sheet supply apparatus |
EP1127818A2 (de) * | 2000-02-25 | 2001-08-29 | NexPress Solutions LLC | Vorrichtung zum Separieren eines obersten Blattes von einem Vorratsstapel mittels Luftblasmitteln |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3097889B2 (ja) * | 1993-10-01 | 2000-10-10 | キヤノン株式会社 | シート給送装置及び画像形成装置 |
GB9505502D0 (en) * | 1995-03-18 | 1995-05-03 | Watkiss Automation Ltd | Methods of and apparatus for feeding sheet material |
-
2000
- 2000-10-14 US US09/688,001 patent/US7007944B1/en not_active Expired - Fee Related
-
2001
- 2001-10-05 JP JP2001309474A patent/JP3892265B2/ja not_active Expired - Fee Related
- 2001-10-10 EP EP01123358A patent/EP1197450B1/de not_active Expired - Lifetime
- 2001-10-10 DE DE10149965A patent/DE10149965A1/de not_active Ceased
- 2001-10-10 DE DE50114144T patent/DE50114144D1/de not_active Expired - Lifetime
- 2001-10-11 CA CA002358639A patent/CA2358639C/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4699369A (en) * | 1986-06-27 | 1987-10-13 | Xerox Corporation | Front air knife improvement for a top vacuum corrugation feeder |
JPH05286596A (ja) * | 1992-04-08 | 1993-11-02 | Sharp Corp | 最上部シートの給送装置 |
EP0598272A1 (de) * | 1992-11-02 | 1994-05-25 | Canon Kabushiki Kaisha | Bogenzuführvorrichtung |
US5344133A (en) * | 1993-02-25 | 1994-09-06 | Eastman Kodak Company | Vacuum belt feeder having a positive air pressure separator and method of using a vacuum belt feeder |
US5645274A (en) * | 1993-09-22 | 1997-07-08 | Canon Kabushiki Kaisha | Sheet supply apparatus |
WO1996000631A2 (en) * | 1994-06-30 | 1996-01-11 | Dentsply Research & Development Corp. | Transducer activated tool tip |
US5634634A (en) * | 1995-03-06 | 1997-06-03 | Eastman Kodak Company | Vacuum corrugated duplex tray having oscillating side guides |
EP1127818A2 (de) * | 2000-02-25 | 2001-08-29 | NexPress Solutions LLC | Vorrichtung zum Separieren eines obersten Blattes von einem Vorratsstapel mittels Luftblasmitteln |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 018, no. 072 (M-1555), 7. Februar 1994 (1994-02-07) -& JP 05 286596 A (SHARP CORP), 2. November 1993 (1993-11-02) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005095240A1 (en) * | 2004-03-29 | 2005-10-13 | Eastman Kodak Company | Vacuum corrugated belt feeder |
EP2275271A1 (de) * | 2009-07-16 | 2011-01-19 | Fujifilm Corporation | Druckmaterialtrocknungsvorrichtung und Verfahren, und Tintenstrahlaufzeichnungsvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
EP1197450A3 (de) | 2003-11-26 |
DE10149965A1 (de) | 2002-09-26 |
CA2358639C (en) | 2006-12-19 |
US7007944B1 (en) | 2006-03-07 |
DE50114144D1 (de) | 2008-09-04 |
CA2358639A1 (en) | 2002-04-14 |
JP3892265B2 (ja) | 2007-03-14 |
EP1197450B1 (de) | 2008-07-23 |
JP2002120951A (ja) | 2002-04-23 |
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