Multicolor Patents (Class 101/115)
  • Patent number: 6893676
    Abstract: A method of making a glow in the dark puff heat transfer material and a composition of glow in the dark puff heat transfer material are presented in this invention. Unlike many prior art heat transfer methods, the heat transfer method utilized in the present invention adheres to OSHA regulations 29 CFR 1910.1017. The process of making the glow in the dark puff heat transfer material comprises the steps of applying one or more layers of a specific glowing material between the colors layers. The composition comprises specific amounts of a glow clear base, glow puff material, translucent inks, and an effective amount of glowing material. A printable adhesive base may be added to the composition if the glowing material is not mixed with the glow clear base or with the glow puff material. The composition is printed on a paper substrate and cured through a conventional dryer.
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: May 17, 2005
    Assignee: Next Graphics, Inc.
    Inventor: Nidal Alif
  • Patent number: 6883425
    Abstract: A screen frame (24) is detachably connected to a support frame structure (22, 124, 134) by locator pins (46, 118) and locator pin sockets (56, 112, 136). An elongated support arm (26) supports either a light box (34) or a work piece support (36) in a proper position relative to the print frame (24). The light box (34) and the work piece support (36) are interchangeable on the support arm (26).
    Type: Grant
    Filed: September 13, 2002
    Date of Patent: April 26, 2005
    Inventor: Duke W. Goss
  • Patent number: 6871589
    Abstract: A hybrid stencil printing apparatus comprises: a stencil-making/printing unit configured to perforate a stencil sheet corresponding to a desired image, to wind the stencil sheet around an outer peripheral surface of a print drum, and to transfer a printing medium to the print drum with pressure and the printing medium is printed; an other-method image-formation unit configured to print the printing medium transferred on the same transfer passage as the stencil-making/printing unit according to a different printing method from the stencil-making/printing unit; and an image-formation unit selection-unit configured to input an original digital image, to determine a attributes of each image portion of the inputted original digital image, and to allocate each image portion selectively to the stencil-making/printing unit or the other-method image-formation unit based on the determination result.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: March 29, 2005
    Assignee: Riso Kagaku Corporation
    Inventor: Koichi Hashimoto
  • Patent number: 6835272
    Abstract: A method of manufacturing a multicolored steel sheet having multiple colors, designs or patterns on its surface and a manufacturing system for carrying out the same are provided.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: December 28, 2004
    Inventor: Chang-Won Lee
  • Publication number: 20040250715
    Abstract: An electrostatic printing apparatus according to the present invention rubs powdery ink into a screen having a predetermined printed pattern formed therein, and applies a voltage between the screen and an object so as to attach the powdery ink to the object. A plurality of screens (34a-34d) are provided so that the plurality of screens are movable to a position located above the object (1). The plurality of screens (34a-34d) are provided so as to be rotatable about a shaft (46). The screens (34a-34d) are rotated about the shaft (46) to move the screens (34a-34d) to the position located above the object (1).
    Type: Application
    Filed: July 27, 2004
    Publication date: December 16, 2004
    Inventor: Kesao Ando
  • Patent number: 6820543
    Abstract: A multicolor printing method using a plurality of ink drums each being loaded with a respective master and a system therefore are disclosed. A plurality of removable ink drums replaceable with each other are fed with respective masters by fixed master feeding devices smaller in number than ink drums via the replacement of the drums and are used for printing. The method and system of the present invention are low cost and enhance downsizing and accurate registration between the masters.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: November 23, 2004
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Patent number: 6766735
    Abstract: Printing apparatus for objects to be printed, in particular textile objects, ceramic, paper, plastic or the like, having a circular indexing table which rotates about a vertical axis and has a rotary drive, having at least one pallet carrier arranged on the circular indexing table and in each case having a pallet that can be arranged on the pallet carrier, at least one printing unit arranged above the pallets circulating around the vertical axis, the printing unit and the pallet being arranged such that they can move relative to each other in the vertical direction, and the pallet carrier arranged on the circular indexing table assuming a plurality of electrically indexable, stepwise predefinable rotary positions with respect to the printing unit.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: July 27, 2004
    Assignee: Heinz Walz GmbH
    Inventor: Martin Pankow
  • Patent number: 6749996
    Abstract: The present invention is a puff heat transfer, a puff transfer composition, and a method of making a puff transfer composition. The puff transfer composition, i.e., ink, is actually loaded with the color. In particular, the transfer composition comprises effective amounts of a transfer base material, at least one pigment concentrate, and a puff base material. The transfer base material and the pigment concentrate may be mixed together and then loaded into the puff base material to form the transfer composition. The transfer composition may be deposited on a transfer sheet to make the heat transfer. The transfer sheet may be a substrate that is treated with QUILLON™. By using a substrate sheet that is treated with QUILLON™, the puff of the present invention has an improved, velvet-like feel when the transfer sheet is removed.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: June 15, 2004
    Assignee: Impulse Wear, Inc.
    Inventors: Christopher Roberts, Lawrence Levine
  • Patent number: 6739246
    Abstract: An extendable auto printing and drying machine is constructed to include two end tables, and adjustable number of rectangular machine tables alternatively reversely arranged between the end tables, each rectangular machine table having a printer and dryer unit formed of a printing module and a drying module at two sides, a transmission chain loop provided in the rectangular machine tables and the end tables rotatable by an external motor drive, and a plurality of carriages respectively installed in transmission chain loop, the carriage each having a workpiece carrier adapted to carry a respective workpiece for printing and drying by the printing modules and drying modules of the printer and dryer units of the rectangular machine tables when the transmission chain loop rotated.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: May 25, 2004
    Inventor: Chin-Wang Lan
  • Patent number: 6715412
    Abstract: A printer capable of printing a multicolor image with a single pass of a paper or similar recording medium includes a plurality of print drums. Drum drive gears each are mounted on a particular print drum such that the print drum is replaceable. The print drums are interlocked to each other by rotatable members including relay gears meshing with the drum drive gears, timing pulleys fixed to the relay gears, a timing belt, and pulleys for adjustment. Each rotatable member has teeth the number of which is selected such that the number of rotations of the rotatable member to occur in a single period of the print drums is an integral multiple of the number of rotations of the print drums.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: April 6, 2004
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Keiichi Chiba, Hironobu Takasawa
  • Patent number: 6711998
    Abstract: A hybrid stencil printing apparatus comprises: a stencil-making/printing unit configured to perforate a stencil sheet corresponding to a desired image, to wind the stencil sheet around an outer peripheral surface of a print drum, and to transfer a printing medium to the print drum with pressure and the printing medium is printed; an other-method image-formation unit configured to print the printing medium transferred on the same transfer passage as the stencil-making/printing unit according to a different printing method from the stencil-making/printing unit; and an image-formation unit selection-unit configured to input an original digital image, to determine a attributes of each image portion of the inputted original digital image, and to allocate each image portion selectively to the stencil-making/printing unit or the other-method image-formation unit based on the determination result.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: March 30, 2004
    Assignee: Riso Kagaku Corporation
    Inventor: Koichi Hashimoto
  • Patent number: 6698951
    Abstract: A paper jam detection system for a folding machine includes an interval signal generator for generating an interval signal which assumes ON and OFF levels alternately according to cutting intervals of a cutting cylinder; a signature detection mechanism including reflection plates each having a light reflection surface and being arranged circumferentially at an outer circumferential surface portion of a jaw cylinder and a photoelectric sensor adapted to generate a reflection plate detection signal upon detection of the reflection plate; and a control unit for outputting a paper jam signal on the basis of the interval signal and the reflection plate detection signal.
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: March 2, 2004
    Assignee: Tokyo Kikai Seisakusho, Ltd.
    Inventors: Mitsuo Kitai, Takashi Iijima, Makoto Tsunashima, Yoshihiro Iwahashi
  • Patent number: 6684769
    Abstract: In a rotary screen printing apparatus, a method and apparatus are disclosed for converting a printing station into a cleaning station. A cleaning attachment replaces either the squeegee or the flood bar, or both, in a conventional print station.
    Type: Grant
    Filed: April 1, 2002
    Date of Patent: February 3, 2004
    Assignee: Best Buy Enterprise Services, Inc.
    Inventor: Bryan Hed
  • Patent number: 6668718
    Abstract: A printing machine for printing a substrate web, which printing machine comprises at least one printing module, such a printing module being provided with an impression roller and ink application means, the ink application means comprising a cylindrical element, which cylindrical element extends parallel to the impression roller and abuts against the impression roller at a contact line with interposition of the substrate web, the cylindrical element being arranged to apply a desirable ink printing pattern to the substrate web, wherein a relevant printing module is provided with a circumferential bearing which engages an outer surface of a relevant cylindrical element, which can be brought into a locking position and into an exchange condition, the circumferential bearing being arranged to receive cylindrical elements intended for different printing techniques, such as silk-screen printing, flexographic printing, letterpress printing, intaglio printing, offset printing and the like.
    Type: Grant
    Filed: March 11, 2002
    Date of Patent: December 30, 2003
    Assignee: Multi Print Systems B.V.
    Inventors: Lambert Dirk van den Brink, Henricus Andreas Jozef Hoendervangers
  • Patent number: 6662717
    Abstract: A printing control apparatus for controlling a stencil printing machine (50, 100), wherein a stencil sheet, which is made on the basis of image data, is wound around a printing drum (25; 125, 126) with which a print sheet (34; 141) is held in pressured contact to perform a stencil printing operation, provides the stencil printing machine with image data representative of an image to be reproduced as an object, and printing order information representative of a page order in which the printing operation is performed using image data, an ink color for the printing drum to be used, and a timing in which one printing drum is replaced with another one. In accordance with the printing order information, the ink color contained in image data is detected and an order for each page to be printed is determined on the basis of a user's print request to execute the printing operation according to the page order and to reduce the number of times the printing drum is replaced with.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: December 16, 2003
    Assignee: Riso Kagaku Corporation
    Inventors: Nobuko Kubota, Michael Mehigan, Musashi Hirata
  • Patent number: 6651553
    Abstract: A printer capable of printing a multicolor image with a single pass of a paper or similar recording medium includes a plurality of print drums. Drum drive gears each are mounted on a particular print drum such that the print drum is replaceable. The print drums are interlocked to each other by rotatable members including relay gears meshing with the drum drive gears, timing pulleys fixed to the relay gears, a timing belt, and pulleys for adjustment. Each rotatable member has teeth the number of which is selected such that the number of rotations of the rotatable member to occur in a single period of the print drums is an integral multiple of the number of rotations of the print drums.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: November 25, 2003
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Keiichi Chiba, Hironobu Takasawa
  • Patent number: 6647873
    Abstract: A printer capable of printing a multicolor image with a single pass of a paper or similar recording medium includes a plurality of print drums. Drum drive gears each are mounted on a particular print drum such that the print drum is replaceable. The print drums are interlocked to each other by rotatable members including relay gears meshing with the drum drive gears, timing pulleys fixed to the relay gears, a timing belt, and pulleys for adjustment. Each rotatable member has teeth the number of which is selected such that the number of rotations of the rotatable member to occur in a single period of the print drums is an integral multiple of the number of rotations of the print drums.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: November 18, 2003
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Keiichi Chiba, Hironobu Takasawa
  • Patent number: 6644183
    Abstract: A multicolor printing method and system including a master making device having plurality of removable ink drums replaceable with each other and a printing device. The plurality of removable ink drums are fed with respective masters to be used for printing, by fixed master feeding devices smaller in number than the removable ink drums. The removable ink drums fed with respective masters are then used by the printing device for printing onto paper. The method and system provides multicolor printing with lower cost, reduced size and accurate registration between the respective masters, as compared to conventional methods and systems.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: November 11, 2003
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Patent number: 6640702
    Abstract: A stencil printing machine is provided as including first and second printing drums 25 and 26 carrying thereon respective screens30, a press drum 27 located in close proximity to the printing drums and a stencil making unit 9. In a control method, the stencil making unit 9 supplies a perforated stencil sheet 11a onto a selected printing drum 25 and a non-perforated stencil sheet 11b onto a non-selected printing drum 26, wherein a print sheet 41 clamped to the press drum 27 is transferred along an outer periphery of the press drum 27 to allow the perforated stencil sheet of the first printing drum 25 to transfer printing ink with a first color to the print sheet 41 while the non-perforated stencil sheet mounted onto the second printing drum prevents printing ink to be transferred to the print sheet 41.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: November 4, 2003
    Assignee: Riso Kagaku Corporation
    Inventors: Hiroshi Watanabe, Yoshikazu Hara
  • Patent number: 6631674
    Abstract: On each of plural printing drums (25, 26) in a stencil printing machine (1), a stencil sheet (11) made corresponding to printing data is rolled. The machine (1) for a stencil printing process, in which a printing paper is pressed on each printing drum and the used stencil sheet is disposed, has a mode designation section (101) and a controller (102). The section (101) designates whether or not a stencil printing process is performed for plural printing information including common printing data. The control section (102) controls the stencil making process, the stencil disposing process, and the stencil printing process for the printing information. When the printing information includes common printing data, the controller (102) controls the printing drum on which the stencil sheet for the common printing data is rolled so that the stencil making and disposal processes are not performed.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: October 14, 2003
    Assignee: Riso Kagaku Corporation
    Inventors: Yoshikazu Hara, Takeshi Koishi
  • Patent number: 6596124
    Abstract: A method of forming a cellular material or “core” by immersing the core in water until it is sufficiently flexible to be molded around a tool into the required shape and then drying the formed core such that the core then retains that shape.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: July 22, 2003
    Assignee: Hexcel Corporation
    Inventors: Nigel Hookham, Andrew Lee
  • Patent number: 6595126
    Abstract: A user PC 120 for controlling a stencil printing machine 1, having a plurality of exchangeable printing drums, wherein respective printing drums are mounted with respective perforated stencil sheets which are formed by a stencil-making processing section 104 on the basis of image data, and a print sheet is held in press contact with the plural printing drums to perform a stencil printing process with first and second stencil-printing processing sections 105, 106 is disclosed as having a registering function to register printing ink colors to be used for printing with the respective printing drums by enabling reading-in of a printer driver and to store useable ink color information, a function to produce display data to display contents of the ink-color designating information produced by the designating section for the respective printing drums.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: July 22, 2003
    Assignee: Riso Kagaku Corporation
    Inventors: Noriaki Nagao, Mitsuaki Ishitoya, Jianmin Xiong, Michael Mehigan, Nami Higashio
  • Patent number: 6584895
    Abstract: In an apparatus for printing on dimensionally stable individual articles such as glass or plastic bottles, using screen printing, the articles each carried by a respective holder are transported along a transport path by a continuously circulating transport device. At least one treatment station and at least two transfer stations are associated with the transport path, one transfer station acting as a feed station and the other as a removal station for the articles. During a printing operation on an article the article is rotated about its longitudinal axis in a first direction which is governed by the printing procedure and the transport direction, and then after conclusion of the printing operation the article is rotated back into its initial position by rotation about its longitudinal axis in the opposite direction, so that the position of the article in angular terms about its longitudinal axis can be accurately defined and controlled.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: July 1, 2003
    Assignee: Balsfulland Maschinenfabrik GmbH
    Inventors: Karl Strauch, Wilfried Kammann
  • Patent number: 6581515
    Abstract: A stencil printing method of the present invention intentionally transfers a smaller amount of ink from an upstream print drum to a paper sheet than from a downstream print drum to the same paper sheet such that images printed on the paper sheet one above the other have the same density at the end of a printing cycle. The method obviates a density difference and the roll-up of a paper sheet ascribable to retransfer particular to a single pass, color printing system. A stencil printer for practicing the method is also disclosed.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: June 24, 2003
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventor: Daisuke Hasebe
  • Patent number: 6543347
    Abstract: An apparatus for displacing an article including first and second pallets for holding and transporting an article between two process stations; an H-bar assembly for receiving the first and second pallets at one of the two process stations; wherein, in operation, a process is performed on the articles while the first and second pallets are received by the H-bar assembly, the pallets then being transported to the second process station where a second process is performed on the articles.
    Type: Grant
    Filed: January 10, 2001
    Date of Patent: April 8, 2003
    Assignee: International Business Machines Corporation
    Inventors: Ralph R. Comulada, Jr., Robert Albert Meyen, Keith C. O'Neil, Brenda Lee Peterson, Thomas Ramundo, Kurt A. Smith
  • Patent number: 6544370
    Abstract: The present invention is a puff heat transfer, a puff transfer composition, and a method of applying a puff heat transfer. The puff transfer composition, i.e., ink, is actually loaded with the color. In particular, the transfer composition comprises a puff base material and at least one pigment concentrate. The puff base material is preferably included in an amount of at least about 85% by weight. On the other hand, the pigment concentrate is preferably in a total amount of about 15% by weight or less. The transfer composition is deposited on a transfer sheet to make the heat transfer. The transfer sheet is a substrate that is preferably treated with quillon. By using a substrate sheet that is treated with quillon, the puff of the present invention has an improved, velvet-like feel when the transfer sheet is removed.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: April 8, 2003
    Assignee: Impulse Wear, Inc.
    Inventors: Christopher A. Roberts, Lawrence M. Levine
  • Patent number: 6505554
    Abstract: A process of screen printing images on a substrate which effectively diminishes the Moire effect and other screen printing process distortions. The process utilizes specific screen angles for printing each process ink color, the application of UV light to set the ink on the substrate and the automated transfer of the substrate between printing and drying stations.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: January 14, 2003
    Inventor: Ralph Rhein
  • Publication number: 20020117062
    Abstract: A multicolor printing method using a plurality of ink drums each being loaded with a respective master and a system therefore are disclosed. A plurality of removable ink drums replaceable with each other are fed with respective masters by fixed master feeding devices smaller in number than ink drums via the replacement of the drums and are used for printing. The method and system of the present invention are low cost and enhance downsizing and accurate registration between the masters.
    Type: Application
    Filed: April 11, 2002
    Publication date: August 29, 2002
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Publication number: 20020117061
    Abstract: A printer capable of printing a multicolor image with a single pass of a paper or similar recording medium includes a plurality of print drums. Drum drive gears each are mounted on a particular print drum such that the print drum is replaceable. The print drums are interlocked to each other by rotatable members including relay gears meshing with the drum drive gears, timing pulleys fixed to the relay gears, a timing belt, and pulleys for adjustment. Each rotatable member has teeth the number of which is selected such that the number of rotations of the rotatable member to occur in a single period of the print drums is an integral multiple of the number of rotations of the print drums.
    Type: Application
    Filed: April 9, 2002
    Publication date: August 29, 2002
    Inventors: Keiichi Chiba, Hironobu Takasawa
  • Publication number: 20020112620
    Abstract: A printer capable of printing a multicolor image with a single pass of a paper or similar recording medium includes a plurality of print drums. Drum drive gears each are mounted on a particular print drum such that the print drum is replaceable. The print drums are interlocked to each other by rotatable members including relay gears meshing with the drum drive gears, timing pulleys fixed to the relay gears, a timing belt, and pulleys for adjustment. Each rotatable member has teeth the number of which is selected such that the number of rotations of the rotatable member to occur in a single period of the print drums is an integral multiple of the number of rotations of the print drums.
    Type: Application
    Filed: April 9, 2002
    Publication date: August 22, 2002
    Inventors: Keiichi Chiba, Hironobu Takasawa
  • Publication number: 20020108511
    Abstract: A multicolor printing method using a plurality of ink drums each being loaded with a respective master and a system therefore are disclosed. A plurality of removable ink drums replaceable with each other are fed with respective masters by fixed master feeding devices smaller in number than ink drums via the replacement of the drums and are used for printing. The method and system of the present invention are low cost and enhance downsizing and accurate registration between the masters.
    Type: Application
    Filed: April 11, 2002
    Publication date: August 15, 2002
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Publication number: 20020108512
    Abstract: A printer capable of printing a multicolor image with a single pass of a paper or similar recording medium includes a plurality of print drums. Drum drive gears each are mounted on a particular print drum such that the print drum is replaceable. The print drums are interlocked to each other by rotatable members including relay gears meshing with the drum drive gears, timing pulleys fixed to the relay gears, a timing belt, and pulleys for adjustment. Each rotatable member has teeth the number of which is selected such that the number of rotations of the rotatable member to occur in a single period of the print drums is an integral multiple of the number of rotations of the print drums.
    Type: Application
    Filed: April 9, 2002
    Publication date: August 15, 2002
    Inventors: Keiichi Chiba, Hironobu Takasawa
  • Publication number: 20020092431
    Abstract: A multicolor printing method using a plurality of ink drums each being loaded with a respective master and a system therefore are disclosed. A plurality of removable ink drums replaceable with each other are fed with respective masters by fixed master feeding devices smaller in number than ink drums via the replacement of the drums and are used for printing. The method and system of the present invention are low cost and enhance downsizing and accurate registration between the masters.
    Type: Application
    Filed: March 19, 2002
    Publication date: July 18, 2002
    Applicant: Tohoku Ricoh Co., Ltd.
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Patent number: 6408745
    Abstract: A variable height print table arrangement for a screen printing apparatus which includes a plurality of rotatable lower level outwardly extending spider arms which support corresponding support pallets or tables on which apparel or other textile substrates to be screen printed are placed. The rotatable lower level outwardly extending spider arms are lowered and raised using a mechanical drive, such as an electrical servomotor or an electrical stepper motor, which is capable of lowering and raising the rotatable lower outwardly extending level spider arms a predetermined variable distance. The variable height print table arrangement for a screen printing apparatus also includes a counterbalance arrangement, preferably using a compression spring, which reduces the effective weight of the rotatable lower level outwardly extending spider arms and allows a smaller mechanical drive to be used.
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: June 25, 2002
    Assignee: Anatol Incorporated
    Inventors: Anatol Topolewski, Mark Smialek, Eugene Wesolowski
  • Patent number: 6397740
    Abstract: A printing machine includes an endless conveyor carrying a plurality of spaced object supports, at least one screenprinting station vertically aligned with the path of movement of the object supports and at least one digital inkjet printing station adapted to operate on demand. Applications include printing compact discs.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: June 4, 2002
    Assignee: Societe d'Exploitation des Machines Dubuit
    Inventor: Jean-Louis Dubuit
  • Patent number: 6393978
    Abstract: A multicolor stencil printer including print drums each storing an ink of a particular color, pressing members each positioned and configured to move into contact with a particular one of the print drums to nip a recording medium for printing and move out of the contact to transport the recording medium toward downstream, and holding devices each assigned to a particular one of the pressing members for holding the particular one of the pressing members out of the contact with the particular one of the print drums, wherein in a color selective mode, the print drums and the pressing members selectively cooperate to nip the recording medium such that the holding devices assigned to unused pressing members hold the unused pressing members away from the print drums associated cooperatively with the unused pressing members.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: May 28, 2002
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Mitsuhiro Sugawara, Daisuke Hasebe, Naoki Okazaki
  • Patent number: 6382094
    Abstract: A printer capable of printing a multicolor image with a single pass of a paper or similar recording medium includes a plurality of print drums. Drum drive gears each are mounted on a particular print drum such that the print drum is replaceable. The print drums are interlocked to each other by rotatable members including relay gears meshing with the drum drive gears, timing pulleys fixed to the relay gears, a timing belt, and pulleys for adjustment. Each rotatable member has teeth the number of which is selected such that the number of rotations of the rotatable member to occur in a single period of the print drums is an integral multiple of the number of rotations of the print drums.
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: May 7, 2002
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Keiichi Chiba, Hironobu Takasawa
  • Patent number: 6374730
    Abstract: Disclosed herein is a stencil printer including a rotatable paper pinch drum with a cutout, a plurality of printing drums, and a position control unit. The cutout is formed in a portion of the outer peripheral surface of the rotatable paper pinch drum along a generating line in the axial direction of the drum. The plurality of printing drums have axes parallel with an axis of the paper pinch drum and disposed around and near the paper pinch drum so that the printing drums rotate in synchronization with the paper pinch drum in the opposition direction from the direction of rotation of the paper pinch drum. Each of the printing drums includes a stencil paper clamper which clamps one end of a paper stencil wound around the outer peripheral surface of the printing drum and an internal press roller which supplies ink to the stencil paper.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: April 23, 2002
    Assignee: Riso Kagaku Corporation
    Inventors: Yasushi Kuratani, Hideaki Nogi, Tomohiro Mizutani
  • Publication number: 20020029703
    Abstract: A printing control apparatus for controlling a stencil printing machine (50, 100), wherein a stencil sheet, which is made on the basis of image data, is wound around a printing drum (25; 125, 126) with which a print sheet (34; 141) is held in pressured contact to perform a stencil printing operation, provides the stencil printing machine with image data representative of an image to be reproduced as an object, and printing order information representative of a page order in which the printing operation is performed using image data, an ink color for the printing drum to be used, and a timing in which one printing drum is replaced with another one. In accordance with the printing order information, the ink color contained in image data is detected and an order for each page to be printed is determined on the basis of a user's print request to execute the printing operation according to the page order and to reduce the number of times the printing drum is replaced with.
    Type: Application
    Filed: September 6, 2001
    Publication date: March 14, 2002
    Inventors: Nobuko Kubota, Michael Mehigan, Musashi Hirata
  • Publication number: 20020029702
    Abstract: A user PC 120 for controlling a stencil printing machine 1, having a plurality of exchangeable printing drums, wherein respective printing drums are mounted with respective perforated stencil sheets which are formed by a stencil-making processing section 104 on the basis of image data, and a print sheet is held in press contact with the plural printing drums to perform a stencil printing process with first and second stencil-printing processing sections 105, 106 is disclosed as having a registering function to register printing ink colors to be used for printing with the respective printing drums by enabling reading-in of a printer driver and to store useable ink color information, a function to produce display data to display contents of the ink-color designating information produced by the designating section for the respective printing drums.
    Type: Application
    Filed: August 30, 2001
    Publication date: March 14, 2002
    Inventors: Noriaki Nagao, Mitsuaki Ishitoya, Jianmin Xiong, Michael Mehigan, Nami Higashio
  • Patent number: 6349640
    Abstract: A stencil capable of accurately transferring a picture with a plurality of colors by a person without skill. This stencil includes a plurality of die seal papers from which parts of a picture are die-cut at different positions from each other as cutting die portions which are associated with each other to form a completed picture. The bottom faces of the die seal papers are adhesive faces. The die seal papers are bonded and fixed to each other in the required ranges of the base portions thereof. After the lower die seal paper is put on an object to color the object via the cutting die portion, the lower die seal paper is peeled from the object and cut away from the base portion thereof to form a polychrome picture.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: February 26, 2002
    Assignee: Annex Japan Co., Ltd.
    Inventors: Saburo Takebe, Mamoru Nomura, Mamoru Mogi, Yoshiyuki Tachikawa, Hiroshi Ueda
  • Patent number: 6345573
    Abstract: In the multi-drum type rotary stencil printer adapted to drive a plurality of printing drums altogether in synchronization with one another by a common drive mechanism, when one of the printing drums is placed out of engagement with a printing, a degradation of ink is anticipated in the temporarily rested printing drum due to its excessive stirring during an idling rotation. In order to avoid such an ink degradation, a clutch is incorporated in a route of transmitting a driving force from the common drive mechanism to each of the printing drums, so that the transmission of the driving force through each of the route can be selectively interrupted.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: February 12, 2002
    Assignee: Riso Kagaku Corporation
    Inventors: Katsuro Motoe, Mitsuru Takeno, Masakazu Miyata
  • Publication number: 20010050007
    Abstract: On each of plural printing drums (25, 26) in a stencil printing machine (1), a stencil sheet (11) made corresponding to printing data is rolled. The machine (1) for a stencil printing process, in which a printing paper is pressed on each printing drum and the used stencil sheet is disposed, has a mode designation section (101) and a controller (102). The section (101) designates whether or not a stencil printing process is performed for plural printing information including common printing data. The control section (102) controls the stencil making process, the stencil disposing process, and the stencil printing process for the printing information. When the printing information includes common printing data, the controller (102) controls the printing drum on which the stencil sheet for the common printing data is rolled so that the stencil making and disposal processes are not performed.
    Type: Application
    Filed: July 27, 2001
    Publication date: December 13, 2001
    Inventors: Yoshikazu Hara, Takeshi Koishi
  • Publication number: 20010047731
    Abstract: A printer of the present invention includes drive pulleys each being mounted on a particular print drum.
    Type: Application
    Filed: March 1, 2001
    Publication date: December 6, 2001
    Applicant: Tohoku Ricoh Co., Ltd
    Inventors: Keiichi Chiba, Hironobu Takasawa
  • Patent number: 6314877
    Abstract: In a printer including a plurality of print drums sequentially arranged in a direction of sheet conveyance, a member causative of noticeable variation in load during printing is driven by a driveline assigned to one print drum that is connected to a main drive source. The printer reduces synchronization errors between the print drums ascribable to variation in load and therefore reduces offset ghosts while making the most of the advantages of a timing belt type drive system.
    Type: Grant
    Filed: June 27, 2000
    Date of Patent: November 13, 2001
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventor: Hironobu Takasawa
  • Patent number: 6289802
    Abstract: A screen printing machine has article supports for articles to be printed, a displacement mechanism for displacing the article supports in succession around an endless path of travel and printing stations distributed along the path of travel and each having a printing head. The displacement mechanism has drive members engageable with the article supports for displacing the article supports, a reciprocating drive operable to reciprocate the drive members to and fro along the endless path to advance the articles in succession to the printing stations, and actuating devices for displacing the drive members into and out of engagement with the article supports. The article supports are vacuum tables communicating with a vacuum duct through a member sliding between flexible members extending along the duct.
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: September 18, 2001
    Inventor: Steve Zelko
  • Patent number: 6276274
    Abstract: A new platen for use with a printing machine, and preferably for allowing automatic unloading of a printed article from a support surface of the platen is disclosed. The disclosed platen includes a structure for attachment to the printing machine, a support surface, and a gripping area disposed about the support surface to allow an automatic unloader to grip and remove an article from the support surface. The support surface is preferably rectangular having gripping areas proximate to each corner of the surface. The gripping areas are preferably notches within the support surface itself, but may also be in the form of a ledge with notches disposed along a portion of an edge and attached to the support surface.
    Type: Grant
    Filed: September 14, 1999
    Date of Patent: August 21, 2001
    Assignee: M&R Printing Equipment, Inc.
    Inventors: Richard C. Hoffman, Jr., Alex Iaccino, Dariusz Tkacz, Boguslaw Biel, Boguslaw Magda
  • Publication number: 20010007225
    Abstract: A printer including a plurality of print drums and capable of producing, e.g., color printings is disclosed. When a closed position sensor responsive to a door outputs a close signal and when a drum sensor assigned to a print drum to be mounted outputs an absence signal, a controller controls drum drive sections such that a mount/dismount drive section assigned to the print drum to be mounted takes the position corresponding to a mount position. Also, in response to a mount position signal output from a mount position sensor, the controller controls the drum driving device such that the mount/dismount drive section stops at the position corresponding to the mount position. The printer allows an operator thereof to mount the print drums without pressing, e.g., mount/dismount keys each time and thereby saves time.
    Type: Application
    Filed: November 30, 2000
    Publication date: July 12, 2001
    Inventor: Mituru Takahashi
  • Patent number: 6257137
    Abstract: A method of operating a screen printing machine of the type where a number of garments supported on pallets sequentially move past a series of printing stations. In order to allow a sufficient delay between each print application the garments pass around the stations several times and in each lap only some of the colors are printed. The sequence is controlled by tracking the first garment and by activating counters at each active print head as the first garment arrives. The program allows for one process to complete while another commences and thus provides improved productivity.
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: July 10, 2001
    Assignee: Reefdale Proprietary Limited
    Inventor: Edward Witte
  • Patent number: 6232041
    Abstract: A method of making a heat transfer from an image for application to a T-shirt or other piece of cloth is disclosed. An image is scanned to create a computer image represented by a computer readable image file. The image is separated into a plurality of colors using a computer to create a separated image. A plurality of plates is created from the separated image corresponding to each of the colors. The plates are printed on film to create a plurality of color separation films corresponding to one of the plurality of colors. Mesh screens are treated with a photoemulsion. The color separation films are then placed on the mesh screens and light is applied to the mesh screens A portion of the photoemulsion hardens in the light and a second portion of the photemulsion covered by the printed matter on the color separation films remains soft. The mesh screens are washed to remove the second portion of the photoemulsion. Ink is applied to a piece of transfer paper through the mesh screens.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: May 15, 2001
    Assignee: Impulse Wear Inc.
    Inventors: Chris Roberts, James Glassburn