Lamination Patents (Class 399/342)
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Patent number: 12072658Abstract: A sheet laminator includes a thermal fixing roller pair, a first heater, a second heater, multiple temperature detectors, and a driver. The thermal fixing roller pair includes a first thermal fixing roller and a second thermal fixing roller facing the first thermal fixing roller. The thermal fixing roller pair thermally fixes and conveys a two-ply sheet and a sheet medium nipped between two sheets of the two-ply sheet. The first heater heats the first thermal fixing roller. The second heater heats the second thermal fixing roller. The multiple temperature detectors are at different positions along an axial direction of the thermal fixing roller pair. The multiple temperature detectors detect a surface temperature of the thermal fixing roller pair. The driver drives the thermal fixing roller pair.Type: GrantFiled: June 15, 2023Date of Patent: August 27, 2024Assignee: RICOH COMPANY, LTD.Inventors: Shota Yoshida, Keisuke Sugiyama, Yuichiro Kato, Kazuki Shimodate, Takaya Ochiai, Naoki Takai, Yosuke Saito
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Patent number: 11988986Abstract: An image forming system includes an image forming apparatus and a sheet laminator. The image forming apparatus forms an image on a sheet being conveyed as an inner sheet. The sheet laminator performs a sheet laminating operation on a two-ply sheet in which the sheet conveyed from the image forming apparatus is inserted between two sheets of the two-ply sheet. The sheet laminator includes a heater and circuitry. The heater heats the two-ply sheet during the sheet laminating operation. The circuitry is to execute a control mode when a specific abnormal event occurs among a plurality of abnormal events that occurs in the image forming apparatus, where the control mode maintains heating by the heater of the sheet laminator for a predetermined time and interrupt the heating by the heater when an abnormal event other than the specific abnormal event occurs.Type: GrantFiled: January 20, 2023Date of Patent: May 21, 2024Assignee: Ricoh Company, Ltd.Inventors: Yasunobu Kidoura, Akira Kunieda, Yohsuke Haraguchi, Hirofumi Horita, Satoshi Kuno, Koju Kawakami, Ryohsuke Akaishi
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Patent number: 11886143Abstract: A sheet laminator laminates a two-ply sheet and a sheet-shaped medium inserted in the two-ply sheet. The sheet laminator includes a sheet feeder, a multi-feeding detector, a fixing device, an ejection device, a purging portion, a passage switcher, and circuitry. The sheet feeder feeds the two-ply sheet. The multi-feeding detector detects multiple feeding of the two-ply sheet. The fixing device fixes the two-ply sheet by application of heat and pressure. The ejection device ejects the two-ply sheet that has been fixed by the fixing device. The purging portion is disposed at a position different from the ejection device. The passage switcher switches a conveyance passage of the two-ply sheet to the fixing device or to the purging portion. The circuitry conveys the two-ply sheet to the purging portion and retries sheet feeding with another two-ply sheet, in response to detection of multiple feeding of the two-ply sheet.Type: GrantFiled: December 2, 2022Date of Patent: January 30, 2024Assignee: Ricoh Company, Ltd.Inventors: Keisuke Sugiyama, Tomohiro Furuhashi, Wataru Takahashi, Ruki Midorikawa, Shinya Monma, Sho Asano
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Patent number: 11163249Abstract: A fixing apparatus comprises: a fixing member and a pressing member; and a pressing mechanism that forms a fixing nip part by pressing the pressing member against the fixing member. The pressing mechanism has: a pressure cam to press the pressing member against the fixing member; a camshaft that the pressure cam is attached to, and that is rotated integrally with the pressure cam; a stepping motor; and a power transmission part that transmits a driving force of the stepping motor to the camshaft. The power transmission part includes a worm provided on a power transmission path from the stepping motor to the camshaft.Type: GrantFiled: August 14, 2020Date of Patent: November 2, 2021Assignee: KONICA MINOLTA, INC.Inventors: Yoshito Hashimura, Shimpei Kanamori
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Patent number: 10671002Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.Type: GrantFiled: July 5, 2018Date of Patent: June 2, 2020Assignee: Brother Kogyo Kabushiki KaishaInventors: Tomoyasu Yabuki, Yoshifumi Kajikawa, Takashi Suzuki, Takashi Yasuda, Takashi Shimizu
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Patent number: 10539890Abstract: A liquid silicone rubber mixture, includes an organopolysiloxane having two or more unsaturated aliphatic groups in a molecule thereof; an organohydrogenpolysiloxane having two or more hydrogen atoms bonded to a silicon atom in a molecule thereof; a hydrosilylation catalyst; hollow particles each having a layer containing a thermoplastic resin as a shell; a compound having a hydroxyl group and/or an ether bond in its molecule so that a sum of a number of the hydroxyl group and a number of the ether bond is two or more; and a polycarboxylic acid. A pressurizing member of a fixing device for use in an electrophotographic image forming apparatus includes an elastic layer containing a silicone rubber on a substrate.Type: GrantFiled: April 20, 2018Date of Patent: January 21, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Hiroyuki Sakakibara, Katsuhisa Matsunaka
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Publication number: 20150063854Abstract: A printing control device includes a receiving unit and a replacing unit. The receiving unit receives a print job, which includes gloss control printing data indicating a type of surface effect by predetermined density information and table information capable of identifying a surface-effect selection table used in creation of the gloss control printing data, from a host device. The replacing unit replaces a part or whole of the surface-effect selection table implemented in the printing control device in advance on the basis of the table information included in the print job.Type: ApplicationFiled: August 26, 2014Publication date: March 5, 2015Inventor: Yuichi HABU
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Patent number: 8934827Abstract: A print control apparatus includes a generating unit that generates clear-toner plane data based on gloss-control plane data, which contains a gloss control value for specifying a type of a surface effect being a visual or a tactile effect applied to the recording medium and for specifying a region to which the surface effect is applied in the recording medium, and clear plane data, which contains a density value for specifying a transparent image other than the surface effect; and an outputting unit that outputs the clear-toner plane data. When a region where the gloss control value is specified in the gloss-control plane data and a region where the density value is specified in the clear plane data overlap each other, the generating unit sets a value of the clear-toner plane data to the gloss control value or the density value, based on a predetermined condition.Type: GrantFiled: March 16, 2012Date of Patent: January 13, 2015Assignee: Ricoh Company, LimitedInventors: Takashi Yoshikawa, Hiroaki Suzuki, Hiroo Kitagawa
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Patent number: 8867979Abstract: Provided are an image forming method by which an image in which arbitrary glossiness is adjusted to any section is formed, and an image forming apparatus thereof. It is a feature that an image forming method possesses the steps of forming a gloss adjusting layer possessing a gloss adjusting toner-fixed image formed with a gloss adjusting toner, on an image support, and forming a toner-fixed image obtained from a toner, on the gloss adjusting layer, wherein the gloss adjusting layer possesses an aggregate of gloss adjusting units; the gloss adjusting units each possess a section where the gloss adjusting toner is attached and another section where the gloss adjusting toner is unattached; and a borderline between the section and the another section is a straight line.Type: GrantFiled: December 29, 2011Date of Patent: October 21, 2014Assignee: Konica Minolta Business Technologies, Inc.Inventors: Michiyo Fujita, Tatsuya Nagase, Asao Matsushima, Yasuko Uchino, Aya Shirai, Ryuichi Hiramoto
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Patent number: 8867978Abstract: A method of forming an image comprising the steps of: forming an image on an image support to obtain an original image, and forming a gloss adjusting layer comprising a clear toner-fixed image comprising a clear toner on the original image, wherein the gloss adjusting layer comprises an aggregate of gloss adjusting units, wherein the gloss adjusting units each comprise a section where the clear toner is attached and a section where the clear toner is unattached, wherein a borderline between the section where the clear toner is attached and the section where the clear toner is unattached comprises a straight line.Type: GrantFiled: December 28, 2011Date of Patent: October 21, 2014Assignee: Konica Minolta Business Technologies, Inc.Inventors: Michiyo Fujita, Tatsuya Nagase, Asao Matsushima, Yasuko Uchino, Aya Shirai, Ryuichi Hiramoto
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Patent number: 8854685Abstract: Provided is an image determination device including a sheet detecting unit that detects a sheet on which a code image is printed, a first acquiring unit that acquires information on the code image and an absorption wavelength of the code image, a second acquiring unit that acquires a reading unit necessary for decoding a code portion of the code image, a third acquiring unit that acquires a document image of an electronic document, a dividing unit that divides the document image into plural blocks corresponding to the reading unit, a detecting unit that detects a block in which an image portion of the document image that uses a color having an absorption band at the absorption wavelength of the code image overlaps with the code portion of the code image as an undecodable block, and an output unit that outputs a warning indicating the generation of an undecodable area.Type: GrantFiled: July 12, 2012Date of Patent: October 7, 2014Assignee: Fuji Xerox Co., Ltd.Inventor: Suguru Nakaso
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Patent number: 8843049Abstract: An image forming method including forming an image of a toner including a wax on a recording medium; fixing the toner image using by an oil-less fixing device; and then forming an overcoat layer on the fixed toner image. When a portion of the fixed toner image having the heaviest toner weight is subjected to an ATR FT-IR analysis, a peak area ratio Ab/Aa falls in a range of 3.0 to 7.0 or a peak area ratio Ab?/Aa? falls in a range of 0.004 to 0.014, wherein Aa represents the area of a peak present in a range of 2896 cm?1 to 2943 cm?1, Ab represents the area of a peak present in a range of 2946 cm?1 to 2979 cm?1, Aa? represents the area of a peak present in a range of 791 cm?1 to 860 cm?1, and Ab? represents the area of a peak present in a range of 2834 cm?1 to 2862 cm?1.Type: GrantFiled: November 20, 2012Date of Patent: September 23, 2014Assignee: Ricoh Company, Ltd.Inventors: Toshiyuki Kabata, Momoko Shionoiri, Masato Iio, Tsuyoshi Asami
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Patent number: 8824949Abstract: An image forming method includes: performing a first gloss processing and a second gloss processing. The first gloss processing includes: heating and pressing a processed body which supports a first toner layer containing at least a clear toner [X] onto a first surface of a recording material, while allowing the first toner layer to be closely adhered to a gloss processing belt; and cooling the same. The second gloss processing includes heating and pressing a processed body which supports a second toner layer containing at least a clear toner [Y] onto a second surface of the recording material, while allowing the second toner layer to be closely adhered to the gloss processing belt; and cooling the same. Here, a storage elastic modulus G? X (150) at 150° C. of the clear toner [X] is lower than a storage elastic modulus G? Y (150) at 150° C. of the clear toner [Y].Type: GrantFiled: February 1, 2013Date of Patent: September 2, 2014Assignee: Konica Minolta Business Technologies, Inc.Inventors: Aya Shirai, Asao Matsushima, Yoshiyasu Matsumoto, Ryuichi Hiramoto, Taiki Amemiya, Tatsuya Nagase
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Patent number: 8811880Abstract: The processing apparatus includes: a first storage device that stores correction image information defining a correction image Ap formed on the surface of a to-be-processed medium S, in which the positional relationship relative to an output image formed on the surface of the to-be-processed medium S is known; a second storage device that stores processing area information defining an area of the surface of the to-be-processed medium S heated by a heating unit, in which the positional relationship with the output image formed on the surface of the to-be-processed medium S is known; and a control unit that uses a detection result of a correction image formed on the surface of the to-be-processed medium S detected by an image detection unit and the correction image information to correct a heating position on the surface of the to-be-processed medium S heated by the heating unit indicated by the processing area information.Type: GrantFiled: April 4, 2012Date of Patent: August 19, 2014Assignee: Canon Kabushiki KaishaInventor: Takashi Fujita
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Patent number: 8787807Abstract: A printer having a body and a fixing mechanism is provided. The body has a first transporting track. The fixing mechanism has a heating mechanism and a pressurized mechanism, and the first transporting track is disposed between the heating mechanism and the pressurized mechanism. During a printing procedure, the heating mechanism provides a toner fixed temperature, and the pressurized mechanism provides a toner fixed pressure. During laminating procedure, the heating mechanism provides a laminating temperature, and the pressurized mechanism provides a laminating pressure. There is no additional laminating mechanism disposed inside the printer. The printer can execute a toner fixed function or a laminating function by adjusting the temperature and the pressure of the fixing mechanism originally disposed in the printer.Type: GrantFiled: August 3, 2012Date of Patent: July 22, 2014Assignees: Cal-Comp Electronics & Communications Company Limited, Kinpo Electronics, Inc.Inventor: Kai-Wei Lin
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Patent number: 8755730Abstract: A glossing device includes a heater member, a stripper member, an endless rotary belt, a pressure member, and a belt cooler. The heater member is subjected to heating. The stripper member is disposed parallel to the heater member. The endless rotary belt is looped for rotation around the heater member and the stripper member in a longitudinal, conveyance direction of the belt. The pressure member is disposed opposite the heater member via the belt. The heater member and the pressure member press against each other via the belt to form a glossing nip therebetween. The recording medium after passage through the nip remains in contact with the belt as the belt moves from the heater member toward the stripper member, and separates from the belt as the belt passes around the stripper member. The belt cooler is disposed adjacent to the belt to cool the belt.Type: GrantFiled: June 20, 2012Date of Patent: June 17, 2014Assignee: Ricoh Company, Ltd.Inventors: Akiyasu Amita, Hiroyuki Kunii, Satoshi Muramatsu, Kunihiko Tomita
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Patent number: 8748163Abstract: Exemplary embodiments provide methods for treating a xerographic printed substrate with an enzyme solution to increase the surface free energy of the substrate. Other exemplary embodiments provide methods for making an adhesive medium with an enzyme-treated substrate.Type: GrantFiled: September 16, 2011Date of Patent: June 10, 2014Assignee: Xerox CorporationInventors: Nicoleta Mihai, Guiqin Song, Valerie Farrugia, T. Brian McAneney
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Patent number: 8699105Abstract: A group of spectral data of print mediums and a group of laminating film spectral data are stored, which correspond to a plurality of colors on a color chart. The type of print medium and the type of laminating film are entered. From the group of spectral data of print mediums and the group of laminating film spectral data, spectral data corresponding to the entered type of print medium are entered as first spectral data, and spectral data corresponding to the entered type of laminating film are entered as second spectral data. Colorimetric value data of the colors are calculated using the first spectral data and the second spectral data.Type: GrantFiled: September 29, 2010Date of Patent: April 15, 2014Assignee: FUJIFILM CorporationInventor: Takeshi Katayama
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Publication number: 20130343792Abstract: A problem that setting (setting the kind of a paper or a printout method) for achieving the print effect (gloss effect or matte effect) at a maximum is very complicated and therefore, a manual setting thereof by a user is very difficult. When image data which a user desires to pint and a desire for a print effect to transparent form image data ate input, the paper type, conversion of the transparent form, image data and a printout method for realizing the print effect are automatically set and printed out.Type: ApplicationFiled: August 23, 2013Publication date: December 26, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Osamu Iinuma
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Patent number: 8543019Abstract: An image forming apparatus includes control device for selectively executing a first mode in which the non-transparent toner image is formed, then the transparent toner image is formed on the sheet not yet heated, then the sheet is subjected to the heating or a second mode in which the non-transparent toner image is formed, then the transparent toner image is formed on the sheet subjected to the heating, then the sheet is subjected to the heating; and storing device for storing selection information compared with information of amount of the non-transparent toner image, wherein the selection information indicates which mode provides larger difference in glossiness of the image fixed by the fixing device between when the transparent toner image of a predetermined amount is overlaid on the non-transparent toner image of a amount to be formed on the sheet and when the transparent toner image is not overlaid.Type: GrantFiled: January 23, 2012Date of Patent: September 24, 2013Assignee: Canon Kabushiki KaishaInventor: Taichi Takemura
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Patent number: 8520257Abstract: Color reproduction data of a print obtained by forming an image on a print medium corresponding to an input type thereof, and spectral data of a laminate film corresponding to an input type thereof are acquired. A reference color is determined based on color information of a designated color to be reproduced on a protective-film-covered print. Based on the acquired color reproduction data and the acquired spectral data, the determined reference color is converted into another reference color depending on the print without the laminate film thereon. A color value depending on a color patch that is selected as a color closest to the designated color, under a condition where the laminate film is not laminated, from a designated color adjusting color chart printed based on color values depending on the converted other reference color or colors close to the other reference color, is acquired.Type: GrantFiled: September 9, 2010Date of Patent: August 27, 2013Assignee: FUJIFILM CorporationInventor: Eiji Teraue
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Publication number: 20130089348Abstract: A printer having a body and a fixing mechanism is provided. The body has a first transporting track. The fixing mechanism has a heating mechanism and a pressurized mechanism, and the first transporting track is disposed between the heating mechanism and the pressurized mechanism. During a printing procedure, the heating mechanism provides a toner fixed temperature, and the pressurized mechanism provides a toner fixed pressure. During laminating procedure, the heating mechanism provides a laminating temperature, and the pressurized mechanism provides a laminating pressure. There is no additional laminating mechanism disposed inside the printer. The printer can execute a toner fixed function or a laminating function by adjusting the temperature and the pressure of the fixing mechanism originally disposed in the printer.Type: ApplicationFiled: August 3, 2012Publication date: April 11, 2013Applicants: Kinpo Electronics, Inc., Cal-Comp Electronics & Communications Company LimitedInventor: Kai-Wei Lin
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Patent number: 8417171Abstract: A printing method for producing a textured thin film image (142) upon a receiver (20(R)) is provided. The method may include the steps of a. depositing one or more toner images (50) to form a predetermined adhesive image (50) with more than one level of height; and b. applying and fixing a foil (30) to at least a portion of the adhesive image to create a textured thin film image (142).Type: GrantFiled: October 24, 2008Date of Patent: April 9, 2013Assignee: Eastman Kodak CompanyInventors: Leonard R. Christopher, Thomas N. Tombs
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Patent number: 8412086Abstract: An image forming apparatus has an image forming section which transfers a toner image according to image data onto a recording sheet, a first fixing section which fixes the toner image with heat of the first fixing roller, a clear layer forming section which forms a clear layer on the toner image which the first fixing section has fixed, a second fixing section which fixes the clear layer with heat of the second fixing roller and a control section which controls the clear layer forming section to increase the thickness of the clear layer in a recording sheet area corresponding to a fixed area during the second revolution of the first fixing roller on the recording sheet, compared with a recording sheet area corresponding to a fixed area during the first revolution thereof.Type: GrantFiled: June 30, 2010Date of Patent: April 2, 2013Assignee: Konica Minolta Business Technologies, Inc.Inventors: Tadashi Matsudaira, Akihiro Hayashi, Youbao Peng, Satoshi Ogata, Takashi Nara, Toshiaki Tanaka
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Patent number: 8346150Abstract: In a fixing device, an opposing member contacts a heating member to form a fixing nip between the heating member and the opposing member. A driver rotatively drives at least one of the heating member and the opposing member. A sheet supplier supplies and conveys a sheet to the fixing nip. A recording medium bearing an unfixed toner image is conveyed through a gap between the sheet and the opposing member at the fixing nip with a side of the recording medium bearing the unfixed toner image facing the sheet. At least one of the rotating heating member and the rotating opposing member applies a driving force to the sheet supplied to the fixing nip while the sheet contacts the sheet supplier to apply tension to the sheet at a position upstream from the fixing nip in a sheet conveyance direction.Type: GrantFiled: March 31, 2010Date of Patent: January 1, 2013Assignee: Ricoh Company, Ltd.Inventors: Tomofumi Inoue, Shuuichi Nakagawa, Hidekazu Shono
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Patent number: 8189246Abstract: An image forming system includes: an obtaining unit that obtains image information including a grey-level value of a pixel; a modifying unit that modifies the grey-level value of the pixel included in the image information obtained by the obtaining unit; a color image forming unit that forms on a recording medium a color image in accordance with information showing the color image including the grey-level value of the pixel modified by the modifying unit; and a transparent image forming unit that forms on the recording medium a transparent image overlapping the color image.Type: GrantFiled: July 31, 2008Date of Patent: May 29, 2012Assignee: Fuji Xerox Co., Ltd.Inventor: Shigeki Washino
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Patent number: 8170460Abstract: An image forming apparatus includes an image forming device, an adhesion processing device, an adhesion device, and a fixing device. The image forming device forms an image on a light-transmitting medium with image formation toner. The adhesion processing device sets whether or not to make the light-transmitting medium contact a light-reflecting medium for each of multiple areas of the image. The adhesion device adheres adhesive toner to an area of the light-transmitting medium. The fixing device aligns the light-reflecting medium with the light-transmitting medium such that the light-reflecting medium contacts a surface of the light-transmitting medium to which the adhesive toner adheres and fixes the light-reflecting medium to the light-transmitting medium.Type: GrantFiled: May 15, 2009Date of Patent: May 1, 2012Assignee: Ricoh Company, Ltd.Inventor: Yuki Matsushima
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Patent number: 8165515Abstract: An image forming system which is capable of causing a clear coating apparatus to discharge processed sheets in proper page order, and improving usability and operability of the system by users. An image forming apparatus is set to perform single-sided image formation or double-sided image formation. A clear coating apparatus is set to perform single-sided clearing coating or double-sided clear coating. Whether to perform inverted discharge of sheets is controlled according to the settings of the image forming apparatus and the clear coating apparatus.Type: GrantFiled: March 21, 2011Date of Patent: April 24, 2012Assignee: Canon Kabushiki KaishaInventors: Akinobu Nishikata, Satoru Yamamoto
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Patent number: 8145114Abstract: In view of the above, this invention is directed to printing methods including electrographic printing wherein toner and/or laminates form one or more multi-channeled layers, with a particular pattern. The multi-channeled layers are printed, such as by electrographic techniques, using the steps of forming a desired image on a receiver member and incorporating channels of toner that form a microfluidic item. In the microfluidic items the channels act as interconnects to transfer fluids between incorporated micro-devices such as pumps, devices, and sensors. The channels can also be designed to act as splitters ports, reservoirs, filters, and separators to allow a variety of specialty micro-devices to be developed with the printer.Type: GrantFiled: October 29, 2009Date of Patent: March 27, 2012Assignee: Eastman Kodak CompanyInventors: Lee W. Tutt, Donna P. Suchy
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Patent number: 8145115Abstract: Disclosed is an image formation method in which clear dots comprised of clear toner are formed on an image with a 75° glossiness of from 10 to 60, the image formation method comprising the steps of forming a clear toner image on the image, employing clear toner, and fixing the clear toner image by non-contact heat fixation to form clear dots in the form of protrusions, wherein the clear dots have an average height H and an average circle equivalent diameter R, a ratio H/R of the average height H to the average circle equivalent diameter R satisfying the following inequality: 0.005?H/R?10.Type: GrantFiled: June 10, 2010Date of Patent: March 27, 2012Assignee: Konica Minolta Business Technologies, Inc.Inventors: Takao Yamanouchi, Kazue Nakamura, Ryuichi Hiramoto, Michiyo Fujita
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Patent number: 8086124Abstract: An image forming apparatus including toner image forming means for forming a having chromatic toner image a transparent toner image; fixing means for heating and fixing the non-transparent toner image and the transparent toner image on recording material; glossiness detecting means for detecting a glossiness of an area in which the non-transparent toner image and the transparent toner image are overlaid and fixed; control means for controlling an amount of the transparent toner, per unit area, on the recording material on the basis of a result of detection by the detecting means.Type: GrantFiled: November 30, 2006Date of Patent: December 27, 2011Assignee: Canon Kabushiki KaishaInventor: Nobuhiko Zaima
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Patent number: 8059982Abstract: A method of using a printing device having a toner fuser to laminate a media sheet with at least one laminate material sheet, the method including receiving a laminate request, adjusting a characteristic of the toner fuser of the printing device, and passing the media sheet and the at least one laminate material sheet through the toner fuser to effect lamination within the printing device.Type: GrantFiled: January 23, 2004Date of Patent: November 15, 2011Assignee: Hewlett-Packard Development Company, L.P.Inventors: Gary Carlson, George McIlvaine
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Patent number: 8023877Abstract: An image forming apparatus capable of using a recording medium having a transparent portion includes an image forming unit, a fixing unit, and an applicator. The image forming unit forms an image on a face of the recording medium. The fixing unit fixes the image, formed by the image forming unit, on the face of the recording medium. The applicator applies a non-transparent liquid to at least the fixed image on the face of the recording medium.Type: GrantFiled: December 17, 2007Date of Patent: September 20, 2011Assignee: Ricoh Company LimitedInventors: Kazuhisa Sudo, Mikio Ishibashi, Yukiko Iwasaki, Megumi Ohtoshi, Reki Nakamura, Masafumi Yamada, Nobuyuki Koinuma, Takashi Sakamaki
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Publication number: 20110217100Abstract: An image forming apparatus includes a gloss applying mode for applying gloss to an image on a sheet and a non-gloss-applying mode. The image forming apparatus includes a fixing device including a fixing member and a pressurizing member that is pressed into contact with the fixing member to form a fixing nip portion in which toner is fixed to the sheet; and a gloss applying device including a first roller including a heating unit and a second roller that is pressed into contact with the first roller to form a gloss applying nip portion in which gloss is applied to the toner. The fixing device and the gloss applying device are provided on a sheet conveying path line. When the sheet is conveyed in the non-gloss-applying mode, nip pressure of the gloss applying nip portion in the gloss applying device is lower than that in the gloss applying mode.Type: ApplicationFiled: November 12, 2009Publication date: September 8, 2011Inventor: Takahiro Yoshikawa
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Patent number: 8005415Abstract: A tandem color electrostatographic printer apparatus has five or more color printing stations or modules for applying respective color separation toner images to a receiver member to form a pentachrome color image in a single pass. A fuser station fuses the pentachrome color image. A clear toner overcoat is then applied to the fused pentachrome toner image and enhanced glossing of the image is provided by a belt glosser to improve color gamut.Type: GrantFiled: February 24, 2010Date of Patent: August 23, 2011Assignee: Eastman Kodak CompanyInventors: Yee S. Ng, Robert C. Logel
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Patent number: 7995959Abstract: A gloss-imparting method that includes (a) applying heat and pressure to one side of a recording material having an image of toner formed on both sides, and fixing the image to the one side of the recording material; (b) cooling the one side of the recording material; (c) applying heat and pressure to the other side of the recording material, and fixing the image to the other side of the recording material; and (d) cooling the other side of the recording material, in the step (a), the fixing being performed such that a value of exp(?T·tan ?0) will be approximately 0.85 or less, where tan ?0 is a loss tangent of the toner when measured by dynamic viscoelastic measurement at a frequency of approximately 1 rad/sec at approximately the same temperature as a fixing temperature of the step (a), and T is a fixing time in the step (a).Type: GrantFiled: March 16, 2009Date of Patent: August 9, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Satoshi Nakamura, Yutaka Nogami
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Publication number: 20110188911Abstract: A gloss applicator, disposed downstream from a fusing device for fusing a non-fused image on a recording medium, includes a pair of pressure units, an endless belt, and a belt suction unit. The pair of pressure units define a gloss nip therebetween through which the recording medium is passed to enhance glossiness of the fused image. The endless belt, disposed in one of the pressure units in an extended loop configuration, transports the recording medium thereon. An outer face of the endless belt can contact the fused image on the recording medium. The belt suction unit, disposed inside the endless belt loop, exerts suction on the endless belt to locally deform a given portion of the endless belt and separate the recording medium from the endless belt at the given portion as a separation position.Type: ApplicationFiled: January 14, 2011Publication date: August 4, 2011Applicant: Ricoh Company, Ltd.Inventors: Hiroyuki Kunii, Akiyasu Amita, Shuntaroh Tamaki
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Patent number: 7970333Abstract: A system and a method to protect an image on a substrate. The method includes forming an unfused toner image, partially fusing the unfused toner image at a first temperature by exposing the composition to radiation to prevent disruption of the image upon application of the wax-hybrid composition to form a partially fused toner image, cooling the partially fused toner image to a second temperature, providing a protective coating composition comprising a wax-hybrid, applying the protective coating composition over the partially fused toner image, permanently fixing the protective coating composition and partially fused toner image to form a final printed image.Type: GrantFiled: July 24, 2008Date of Patent: June 28, 2011Assignee: Xerox CorporationInventors: Christine D. Anderson, T. Brian Mcaneney, Christopher A. Wagner, Edward G. Zwartz, Stephan V. Drappel
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Publication number: 20110097655Abstract: Provided is an image-forming method, the method including: forming an electrostatic image on an electrostatic image bearing member which has been charged; developing the electrostatic image to form a toner image; transferring the toner image on the electrostatic image bearing member with or without mediating an intermediate transferring member onto a transfer material; and fixing the toner image on the transfer material, in which: the electrostatic image hearing member is a photosensitive member obtained by sequentially laminating a photoconductive layer and a surface layer formed of hydrogenated amorphous silicon carbide, and a sum of an atomic density of silicon atoms and an atomic density of carbon atoms in the surface layer of the photosensitive member is 6.60×1022 atoms/cm3 or more; and the toner has a binder resin and magnetic iron oxide particles, and the magnetic iron oxide particles contain Fe(2+) at a content of 20.0 mass % or more and 25.0 mass % or lees.Type: ApplicationFiled: July 24, 2009Publication date: April 28, 2011Applicant: Canon Kabushiki KaishaInventors: Tooru Takahashi, Katsuhisa Yamazaki, Syuhei Moribe, Daisuke Yoshiba, Masami Fujimoto
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Patent number: 7933544Abstract: An image forming system which is capable of causing a clear coating apparatus to discharge processed sheets in proper page order, and improving usability and operability of the system by users. An image forming apparatus is set to perform single-sided image formation or double-sided image formation. A clear coating apparatus is set to perform single-sided clearing coating or double-sided clear coating. Whether to perform inverted discharge of sheets is controlled according to the settings of the image forming apparatus and the clear coating apparatus.Type: GrantFiled: June 5, 2007Date of Patent: April 26, 2011Assignee: Canon Kabushiki KaishaInventors: Akinobu Nishikata, Satoru Yamamoto
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Publication number: 20110013958Abstract: When a gloss application sheet is conveyed through a nip formed between a first nip formation member and a second nip formation member pressing against each other, the gloss application sheet is sandwiched between the first nip formation member and a recording medium simultaneously conveyed through the nip. The gloss application sheet includes a first contact surface contacting the first nip formation member and a second contact surface disposed opposite the first contact surface for contacting the recording medium. The first contact surface has a reduced adhesive force compared to the second contact surface.Type: ApplicationFiled: June 25, 2010Publication date: January 20, 2011Inventors: Hidekazu SHONO, Shuuichi NAKAGAWA, Tomofumi INOUE
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Patent number: 7869723Abstract: An image forming apparatus includes an image forming unit and a correction unit. The image forming unit superimposes toner images of a plurality of colors, one over the other, on a recording medium to form a composite color toner image thereon. The correction unit corrects an image condition of the toner images of the plurality of colors when the composite color toner image is formed on a transparent portion of the recording medium so as to be visible from a side opposite a side on which the composite color toner image is formed.Type: GrantFiled: November 26, 2007Date of Patent: January 11, 2011Assignee: Ricoh Company LimitedInventor: Nobuyuki Koinuma
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Patent number: 7865121Abstract: An image forming apparatus that includes an image bearing member to bear a latent electrostatic image, a charging device to charge a surface of the image bearing member, an irradiating device to irradiate the surface of the image bearing member to form the latent electrostatic image thereon, a developing device to develop the latent electrostatic image, an optional cleaning unit to clean the surface of the image bearing member, a transfer device to transfer the developed image to an opaque medium, an optional cleaning device to clean a surface of the transfer device, a fixing device to fix the transferred image on the opaque medium, and an attachment device to attach the fixed image to a transparent medium after the opaque medium is overlaid with the transparent medium, and recording media for use in the image forming apparatus.Type: GrantFiled: July 9, 2007Date of Patent: January 4, 2011Assignee: Ricoh Company, Ltd.Inventors: Yukiko Iwasaki, Kazuhisa Sudo, Reki Nakamura, Mikio Ishibashi, Nobuyuki Koinuma, Toshihiro Sugiyama, Takashi Sakamaki, Megumi Ohtoshi, Masafumi Yamada
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Publication number: 20100322685Abstract: Disclosed is an image formation method in which clear dots comprised of clear toner are formed on an image with a 75° glossiness of from 10 to 60, the image formation method comprising the steps of forming a clear toner image on the image, employing clear toner, and fixing the clear toner image by non-contact heat fixation to form clear dots in the form of protrusions, wherein the clear dots have an average height H and an average circle equivalent diameter R, a ratio H/R of the average height H to the average circle equivalent diameter R satisfying the following inequality: 0.Type: ApplicationFiled: June 10, 2010Publication date: December 23, 2010Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Takao Yamanouchi, Kazue Nakamura, Ryuichi Hiramoto, Michiyo Fujita
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Patent number: 7787153Abstract: An image forming apparatus capable of recording image information and additional information added separately from the image information to a photographic printing medium is disclosed. The image forming apparatus includes: image information acquisition means for acquiring the image information, additional information acquisition means for acquiring the additional information, and recording means for recording the image information acquired by the image information acquisition means and the additional information acquired by the additional information acquisition means to the photographic printing medium, wherein the recording means can record the additional information by laminating a first transparent material that absorbs light of a specific wavelength and a second transparent material that does not absorb the light on a recording surface of the photographic printing medium.Type: GrantFiled: December 18, 2006Date of Patent: August 31, 2010Assignee: Sony CorporationInventors: Naoki Takizawa, Ken Higuchi
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Patent number: 7787815Abstract: An image forming device is disclosed that is able to superpose a smooth sheet on a toner image on a recording sheet after common thermal fusing, perform re-melting and solidification, and then separate the smooth sheet, thereby, forming a high-gloss image easily. The image forming device includes a first fusing unit for the common thermal fusing, and a second fusing unit for fusing the toner image on a recording sheet after the common thermal fusing with a gloss application sheet superposed on the toner image, and a separation unit for separating the gloss application sheet from the recording sheet. The gloss application sheet is superposed on the recording sheet with a side of the gloss application sheet projecting out beyond a side of the recording sheet on a downstream side in the conveyance direction, and the gloss application sheet and the recording sheet are directed into the separation unit while being superposed.Type: GrantFiled: August 7, 2007Date of Patent: August 31, 2010Assignee: Ricoh Company, Ltd.Inventors: Reki Nakamura, Kei Yasutomi, Hitoshi Maruyama
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Publication number: 20100150620Abstract: A tandem color electrostatographic printer apparatus has five or more color printing stations or modules for applying respective color separation toner images to a receiver member to form a pentachrome color image in a single pass. A fuser station fuses the pentachrome color image. A clear toner overcoat is then applied to the fused pentachrome toner image and enhanced glossing of the image is provided by a belt glosser to improve color gamut.Type: ApplicationFiled: February 24, 2010Publication date: June 17, 2010Inventors: Yee S. Ng, Robert C. Logel
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Patent number: 7720419Abstract: A glossy image forming system for forming a glossy image on a recording material having a surface resin material layer, the glossy image forming system includes a fixing device for fixing an unfixed toner image formed on a surface of the recording material; a heaterless pressing device for pressing the recording material having the toner image fixed by the fixing device; a smoothing device for smoothing the surface of the recording material pressed by the heaterless pressing device with a pressure smaller than a pressure applied by the heaterless pressing device.Type: GrantFiled: June 20, 2007Date of Patent: May 18, 2010Assignee: Canon Kabushiki KaishaInventor: Haruhiko Omata
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Patent number: 7720425Abstract: A tandem color electrostatographic printer apparatus has five or more color printing stations or modules for applying respective color separation toner images to a receiver member to form a pentachrome color image in a single pass. A fuser station fuses the pentachrome color image. A clear toner overcoat is then applied to the fused pentachrome toner image and enhanced glossing of the image is provided by a belt glosser to improve color gamut.Type: GrantFiled: January 16, 2009Date of Patent: May 18, 2010Assignee: Eastman Kodak CompanyInventors: Yee S. Ng, Robert C. Logel
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Patent number: 7657218Abstract: A disclosed gloss-providing sheet for providing high gloss to a toner image on a recording material by being placed on a toner image surface of the recording material, heated so as to fuse toner, and then separated from the recording material after the toner is cooled and solidified includes: a notification portion that changes a visual state thereof when a temperature of the gloss-providing sheet becomes equal to or lower than a glass transition temperature of the toner.Type: GrantFiled: August 21, 2007Date of Patent: February 2, 2010Assignee: Ricoh Company Ltd.Inventors: Hitoshi Maruyama, Kei Yasutomi, Eisaku Murakami, Reki Nakamura