IT1247776B - Dispositivo per annullare la curvatura di fogli - Google Patents
Dispositivo per annullare la curvatura di fogliInfo
- Publication number
- IT1247776B IT1247776B IT06786690A IT6786690A IT1247776B IT 1247776 B IT1247776 B IT 1247776B IT 06786690 A IT06786690 A IT 06786690A IT 6786690 A IT6786690 A IT 6786690A IT 1247776 B IT1247776 B IT 1247776B
- Authority
- IT
- Italy
- Prior art keywords
- cancel
- curvature
- sheets
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/65—Apparatus which relate to the handling of copy material
- G03G15/6555—Handling of sheet copy material taking place in a specific part of the copy material feeding path
- G03G15/6573—Feeding path after the fixing point and up to the discharge tray or the finisher, e.g. special treatment of copy material to compensate for effects from the fixing
- G03G15/6576—Decurling of sheet material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/34—Apparatus for taking-out curl from webs
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/2064—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat combined with pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/512—Changing form of handled material
- B65H2301/5125—Restoring form
- B65H2301/51256—Removing waviness or curl, smoothing
- B65H2301/512565—Removing waviness or curl, smoothing involving tri-roller arrangement
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
- G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
- G03G2215/00417—Post-fixing device
- G03G2215/00421—Discharging tray, e.g. devices stabilising the quality of the copy medium, postfixing-treatment, inverting, sorting
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
- G03G2215/00535—Stable handling of copy medium
- G03G2215/00662—Decurling device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Paper Feeding For Electrophotography (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT06786690A IT1247776B (it) | 1990-11-06 | 1990-11-06 | Dispositivo per annullare la curvatura di fogli |
EP91310116A EP0485123B1 (en) | 1990-11-06 | 1991-11-01 | Device for eliminating sheet curl |
EP94201435A EP0616264B1 (en) | 1990-11-06 | 1991-11-01 | Device for eliminating sheet curl |
JP3287917A JPH04341455A (ja) | 1990-11-06 | 1991-11-01 | 用紙のカールの除去装置 |
DE69109809T DE69109809T2 (de) | 1990-11-06 | 1991-11-01 | Vorrichtung zur Beseitigung von Blattwellungen. |
DE69124270T DE69124270T2 (de) | 1990-11-06 | 1991-11-01 | Vorrichtung zur Beseitigung von Blattwellungen |
US07/788,357 US5187527A (en) | 1990-11-06 | 1991-11-06 | Device for eliminating the curl of sheets emerging from a fixing station |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT06786690A IT1247776B (it) | 1990-11-06 | 1990-11-06 | Dispositivo per annullare la curvatura di fogli |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9067866A0 IT9067866A0 (it) | 1990-11-06 |
IT9067866A1 IT9067866A1 (it) | 1992-05-06 |
IT1247776B true IT1247776B (it) | 1994-12-30 |
Family
ID=11305918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT06786690A IT1247776B (it) | 1990-11-06 | 1990-11-06 | Dispositivo per annullare la curvatura di fogli |
Country Status (5)
Country | Link |
---|---|
US (1) | US5187527A (it) |
EP (2) | EP0485123B1 (it) |
JP (1) | JPH04341455A (it) |
DE (2) | DE69109809T2 (it) |
IT (1) | IT1247776B (it) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05181383A (ja) * | 1991-10-29 | 1993-07-23 | Konica Corp | 定着装置 |
US5325164A (en) * | 1991-10-24 | 1994-06-28 | Konica Corporation | Fixing device with pulling rollers |
US5357327A (en) * | 1992-04-06 | 1994-10-18 | Xerox Corporation | Sheet decurling system including cross-curl |
US5442429A (en) * | 1992-09-30 | 1995-08-15 | Tr Systems Inc | Precuring apparatus and method for reducing voltage required to electrostatically material to an arcuate surface |
JP2500414B2 (ja) * | 1992-12-11 | 1996-05-29 | 日本電気株式会社 | 電子写真装置の用紙送り機構 |
JPH07160137A (ja) * | 1993-12-01 | 1995-06-23 | Hitachi Ltd | 定着装置及び定着方法並びに記録装置 |
US5623331A (en) * | 1994-05-27 | 1997-04-22 | Hitachi Koki Co., Ltd. | High-speed electrophotographic fixing unit |
US5519481A (en) * | 1994-10-11 | 1996-05-21 | Xerox Corporation | Adaptive decurler for selective decurling of localized image areas |
DE19654976C2 (de) * | 1995-05-09 | 2003-12-24 | Sharp Kk | Druckvorrichtung für beidseitige Kopien |
US5749040A (en) * | 1995-07-20 | 1998-05-05 | Canon Kabushiki Kaisha | Image forming apparatus capable of correcting curl of sheet |
US5961111A (en) * | 1996-10-29 | 1999-10-05 | Sharp Kabushiki Kaisha | Sheet feeding device for a duplex image forming apparatus |
JPH10230654A (ja) * | 1997-02-19 | 1998-09-02 | Alps Electric Co Ltd | プリンタ |
JP3551683B2 (ja) * | 1997-02-28 | 2004-08-11 | ブラザー工業株式会社 | 画像形成装置における定着装置 |
US6160982A (en) * | 1999-10-04 | 2000-12-12 | Xerox Corporation | Copy sheet distortion-removing fusing apparatus |
JP2003076182A (ja) * | 2001-06-22 | 2003-03-14 | Ricoh Co Ltd | 定着装置および画像形成装置 |
JP3912127B2 (ja) * | 2002-02-05 | 2007-05-09 | コニカミノルタホールディングス株式会社 | 画像形成装置 |
JP2003295657A (ja) * | 2002-04-04 | 2003-10-15 | Konica Corp | 定着装置 |
US7062218B2 (en) * | 2002-08-29 | 2006-06-13 | Xerox Corporation | Quad-roll decurler |
US20050201786A1 (en) * | 2003-11-27 | 2005-09-15 | Takuya Ito | Sheet processing apparatus, automatic document feeder and image forming apparatus |
JP4507882B2 (ja) * | 2005-01-07 | 2010-07-21 | 船井電機株式会社 | プリンタ装置 |
US8073371B2 (en) * | 2006-01-17 | 2011-12-06 | Ricoh Company, Ltd. | Image forming apparatus which corrects the curl of a discharge sheet |
JP2008046168A (ja) * | 2006-08-10 | 2008-02-28 | Canon Inc | 画像形成装置 |
TWI397498B (zh) * | 2010-11-24 | 2013-06-01 | Avision Inc | 紙張整平機構及使用其之列印設備 |
JP6204275B2 (ja) * | 2014-06-12 | 2017-09-27 | 京セラドキュメントソリューションズ株式会社 | 画像形成装置 |
JP2016177085A (ja) * | 2015-03-19 | 2016-10-06 | 株式会社リコー | 定着装置および画像形成装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4326915A (en) * | 1979-11-15 | 1982-04-27 | Xerox Corporation | Sheet de-curler |
JPS6044217B2 (ja) * | 1980-06-16 | 1985-10-02 | 松下電送株式会社 | 記録紙のカ−ル取り装置 |
US4475896A (en) * | 1981-12-02 | 1984-10-09 | Xerox Corporation | Curling/decurling method and mechanism |
JPS5997169A (ja) * | 1982-11-25 | 1984-06-04 | Mita Ind Co Ltd | 静電写真複写機の定着装置 |
US4505695A (en) * | 1983-04-18 | 1985-03-19 | Xerox Corporation | Sheet decurling mechanism |
US4571054A (en) * | 1983-06-01 | 1986-02-18 | Xerox Corporation | Post-fuser copy sheet decurler |
JPS6083978A (ja) * | 1983-10-14 | 1985-05-13 | Toshiba Corp | 定着装置 |
US4652110A (en) * | 1984-02-29 | 1987-03-24 | Canon Kabushiki Kaisha | Image recording apparatus |
US4591259A (en) * | 1985-04-01 | 1986-05-27 | Xerox Corporation | Tri-pass baffle decurler |
US4632533A (en) * | 1985-04-01 | 1986-12-30 | Xerox Corporation | Off-set nip roll decurler |
JPS61239274A (ja) * | 1985-04-16 | 1986-10-24 | Minolta Camera Co Ltd | 定着装置 |
JPS6241768U (it) * | 1985-08-28 | 1987-03-12 | ||
JPS6175369A (ja) * | 1985-08-30 | 1986-04-17 | Mita Ind Co Ltd | 複写機の複写紙搬送装置 |
JP2565878B2 (ja) * | 1986-10-16 | 1996-12-18 | 株式会社東芝 | 電子複写機 |
JPS63147765A (ja) * | 1986-12-09 | 1988-06-20 | Canon Inc | 画像形成装置 |
JPS63276077A (ja) * | 1987-05-07 | 1988-11-14 | Matsushita Electric Ind Co Ltd | 定着装置 |
DE3854801T2 (de) * | 1987-06-16 | 1996-06-13 | Canon Kk | Bildfixiergerät |
JPH01317950A (ja) * | 1988-06-16 | 1989-12-22 | Fuji Xerox Co Ltd | 画像形成装置の定着装置 |
JPH02225257A (ja) * | 1989-02-23 | 1990-09-07 | Canon Inc | カール除去装置 |
-
1990
- 1990-11-06 IT IT06786690A patent/IT1247776B/it active IP Right Grant
-
1991
- 1991-11-01 DE DE69109809T patent/DE69109809T2/de not_active Expired - Lifetime
- 1991-11-01 EP EP91310116A patent/EP0485123B1/en not_active Expired - Lifetime
- 1991-11-01 DE DE69124270T patent/DE69124270T2/de not_active Expired - Lifetime
- 1991-11-01 EP EP94201435A patent/EP0616264B1/en not_active Expired - Lifetime
- 1991-11-01 JP JP3287917A patent/JPH04341455A/ja not_active Withdrawn
- 1991-11-06 US US07/788,357 patent/US5187527A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT9067866A0 (it) | 1990-11-06 |
DE69109809D1 (de) | 1995-06-22 |
US5187527A (en) | 1993-02-16 |
DE69109809T2 (de) | 1995-10-05 |
DE69124270T2 (de) | 1997-06-19 |
DE69124270D1 (de) | 1997-02-27 |
EP0485123B1 (en) | 1995-05-17 |
JPH04341455A (ja) | 1992-11-27 |
EP0616264A1 (en) | 1994-09-21 |
IT9067866A1 (it) | 1992-05-06 |
EP0485123A3 (en) | 1992-11-19 |
EP0616264B1 (en) | 1997-01-15 |
EP0485123A2 (en) | 1992-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |