121 |
Digital printing process |
US15827538 |
2017-11-30 |
US10434761B2 |
2019-10-08 |
Benzion Landa; Yehoshua Sheinman; Sagi Abramovich; Galia Golodetz; Gregory Nakhmanovich; Meir Soria |
A printing system is disclosed which includes a plurality of rollers configured to support and move a loop-shaped, flexible intermediate transfer member of at least 10 meters in length along a printing system path. The printing system further includes an image forming station configured to form an image on a portion of the intermediate transfer member, and an impression station configured to enable substantial transfer of the deposited image to a substrate. The printing system also includes at least one high-speed motor associated with the plurality of rollers and configured to move the loop-shaped flexible intermediate transfer member at a speed of at least about one meter per second. Moreover, the printing system includes guiding channels configured for exerting a lateral tensioning force on the loop-shaped intermediate transfer member as it is received within the guiding channels and circulates at the speed of at least about one meter per second. |
122 |
Rotary screen printer |
US15520938 |
2015-10-21 |
US10040276B2 |
2018-08-07 |
Yoshihisa Sakata |
A rotary screen printing press is provided with a screen-cylinder throw-on/off motor encoder (231) that detects the position of a screen cylinder (201), a squeegee throw-on/off motor encoder (232) that detects the position of a squeegee (221), and a control unit (300) that controls screen cylinder throw-on/off motors (209) and squeegee throw-on/off motors (224) based on the position of the screen cylinder (201) detected by the screen-cylinder throw-on/off motor encoder (231) and the position of the squeegee (221) detected by the squeegee throw-on/off motor encoder (232) so that the squeegee (221) may not contact a screen plate (201A) except when the screen plate (201A) is in contact with an impression cylinder (100). |
123 |
Release layer treatment formulations |
US14917527 |
2014-09-11 |
US09782993B2 |
2017-10-10 |
Benzion Landa; Sagi Abramovich; Gregory Nakhmanovich; Galia Golodetz; Snir Dor |
There is disclosed a formulation for use with an intermediate transfer member of an indirect printing system, including: (a) a carrier liquid: (b) a positively chargeable polymeric chemical agent having amine functional groups; and (c) a resolubilizing agent selected to improve resolubilization of said chemical agent. Method of use thereof is also provided. |
124 |
Ultra-fine textured digital lithographic imaging plate and method of manufacture |
US13953674 |
2013-07-29 |
US09126452B2 |
2015-09-08 |
Timothy D. Stowe; Sourobh Raychaudhuri; Carolyn P. Moorlag; Michael Y. Young |
A method of forming an imaging blanket for a printing apparatus comprises preparing a support structure (e.g., mold) for receipt of a polymer blanket compound, introducing the polymer blanket compound in liquid state over the support structure, curing the polymer blanket compound to produce an imaging blanket, releasing the imaging blanket from the support structure, and etching a surface of the imaging blanket to form a texture pattern therein, the surface forming an imaging surface of said imaging blanket. An imaging surface providing desirable dampening fluid retention is provided. Wet etch, dry etch or a combination of both may be used. The polymer may be a silicone compound, may include 3 percent by weight granular material. |
125 |
Method for producing a pseudo-stochastic master surface, master surface, method for producing a cylinder cover, cylinder cover, machine processing printing material, method for producing printed products and method for microstamping printing products |
US12709627 |
2010-02-22 |
US08462391B2 |
2013-06-11 |
Ludo Kerz; Wolfram Kolbe; Martin Schmitt-Lewen |
A method for producing a pseudo-stochastic master surface for producing a cover or jacket of a cylinder for contacting printing material, includes providing the master surface with a pseudo-stochastic distribution of microsurfaces. The master surface is produced on the basis of a digital master in a jacket preliminary stage and serves for a preferably galvanic production of a microstructured cover, in which structure elevations correlate with the microsurfaces. The pseudo-stochastic distribution helps to avoid disruptive discernible effects, for example the moiré effect and helps to construct the microstructuring in a targeted manner. A master surface, a method for producing a cylinder cover, a cylinder cover, a machine for processing printing material, a method for producing printed products and a method for microstamping printed products, are also provided. |
126 |
Apparatus and method of fabricating blanket for printing roll |
US11271259 |
2005-11-08 |
US20060207455A1 |
2006-09-21 |
Tae Oh |
An apparatus and method for fabricating a blanket for a printing roll for is provided. The apparatus includes a container to receive and drop printing roll blanket material for patterning an LCD substrates, a preheating part below the container to preheat dropped printing roll blanket material and a curing part below the preheating part to cure preheated printing roll blanket material. The method includes dropping printing roll blanket material for patterning an LCD substrate from a container, preheating the dropped printing roll blanket material and curing the preheated printing roll blanket material. |
127 |
Offset lithographic printing press having seamed sleeved printing blanket |
US11186997 |
2005-07-20 |
US20050252397A1 |
2005-11-17 |
Joseph Byers; Leslie Hix; Timothy Badowski; Michael Stock |
An offset lithographic printing press combined with a gapped or seamed cylindrical offset printing blanket having pre-made blanket material mounted on a cylindrical sleeve is disclosed, wherein conventional, manufactured blanket material in flat form is adhered to a cylindrical sleeve to economically produce a cylindrical sleeved blanket. The leading and trailing ends of the flat blanket material are joined in close proximity such that a small gap is formed. A seam may be made with a filler material that fills the remaining gap resulting in a seamed sleeved blanket. In use, the seam is aligned with the non-print area on the adjacent printing plate, or the adjacent plate cylinder gap of the printing press. Being narrower than the plate cylinder gap, no loss of print length results from the seam. |
128 |
Phase change ink imaging component with Q-resin layer |
US10177910 |
2002-06-20 |
US06932470B2 |
2005-08-23 |
David H. Pan; Santokh S. Badesha; Anthony Yeznach; Trevor J. Snyder |
An offset printing apparatus having a coated imaging member for use with phase-change inks, has a substrate, an optional intermediate layer, and thereover an outer coating with a silicone material and Q-resin, and an optional heating member associated with the offset printing apparatus. |
129 |
Self-levelling under-packing for printing presses |
US10828187 |
2004-04-21 |
US20050158564A1 |
2005-07-21 |
Roberto Levi Acobas |
A self-levelling under-packing for printing presses, in particular offset presses, includes at least one polyester-based layer and at least one polyurethane elastomer layer joined inseparably together. The polyester-based layer may be between 50 μm and 350 μm and the polyurethane elastomer layer may be between 20 μm and 1000 μm. The polyester-based layer may be adhesive-coated on one side, in which case the thickness, including the adhesive, may be between 40 and 100 μm, with the adhesive thickness not exceeding about 5 μm. |
130 |
Blanket cylinder with integrated compressible layer |
US09955826 |
2001-09-19 |
US06862989B2 |
2005-03-08 |
James Richard Belanger; Richard Karl Weiler |
A printing unit including a rigid cylinder rotatable about an axis of rotation, a plurality of inflatable bladders disposed on a circumferential surface of the cylinder, and a first fluid supply regulation unit configured to supply a first fluid to a first set of inflatable bladders of the plurality of inflatable bladders and to regulate a first fluid pressure inside the first set inflatable bladders. In addition, a method for mounting a sleeve-shaped printing sock onto a blanket cylinder of an offset printing press, in which a set of inflatable bladders disposed at an outer region of the blanket cylinder are at least partially deflated. The sleeve-shaped printing sock is slid over one end of the blanket cylinder so that the printing sock at least partially surrounds a circumference of the blanket cylinder. The set of inflatable bladders are then inflated so that the printing sock fits tightly around the circumference of the blanket cylinder. |
131 |
Phase change ink imaging component with MICA-type silicate layer |
US10177904 |
2002-06-20 |
US06843559B2 |
2005-01-18 |
David H. Pan; Santokh S. Badesha; Anthony Yeznach; Trevor J. Snyder |
An offset printing apparatus having a coated imaging member for use with phase-change inks, has a substrate, an optional intermediate layer, and thereover an outer coating with a mica-type silicate material, and an optional heating member associated with the offset printing apparatus. |
132 |
Printing blanket with convex carrier layer |
US10617639 |
2003-07-11 |
US20050005792A1 |
2005-01-13 |
James Vrotacoe; Richard Weiler; James Belanger |
A printing blanket includes a carrier sleeve layer having at least one axially convex surface and a print layer disposed over the carrier sleeve layer. A blanket cylinder with a convex outer surface and a convex shim is also provided. An offset printing press is also provided. |
133 |
Method for producing cylindrical coating carriers |
US71700 |
1998-05-01 |
US6080258A |
2000-06-27 |
Udo Tittgemeyer |
A method for winding a continuous material onto a supporting surface, the method being characterized more precisely by the following process steps:unwinding a material (6) from a material supply (7) and winding said material onto a supporting surface (5);the pendulum-type support (17) of the material (6,7) during the advance, permitting an automatic adjustment of a winding angle .alpha.;maintaining the tensile stress during the winding of the material (6);the cleaning and conditioning pretreatment of the material (6) carried out between unwinding and winding; andthe coating with adhesive carried out between unwinding and winding. |
134 |
Computerized cutting method and apparatus for use in printing operations |
US189828 |
1998-11-10 |
US06058839A |
2000-05-09 |
Joseph R. Frazzitta |
In a printing method, an electrically encoded image to be transferred to a printing substrate during a printing process is provided in an electronic memory. A flexible carrier web is attached under tension to a cutting cylinder with an adjustable diameter. The cutting cylinder is adjusted to have a diameter which matches the diameter of a blanket or printing cylinder of a printing machine. The length of the cutting cylinder is at least as great as the length of the blanket or printing cylinder. The carrier web is cut automatically in accordance with the electrically encoded image after attachment of the carrier web to the adjusted cutting cylinder. |
135 |
Anti-static, anti-smearing pre-stretched and pressed flat, precision-cut
striped flexible coverings for transfer cylinders |
US581068 |
1995-12-29 |
US5907998A |
1999-06-01 |
Howard Warren DeMoore; John Andrew Branson |
Freshly printed sheets are transferred from one printing unit to another by transfer cylinders each having an ink repellent, electrically conductive, striped flexible jacket covering that is movable relative to the sheet support surface of the transfer cylinder. The jacket covering is made of a flexible fabric material that is pre-stretched, pressed flat, cut to size and treated with an ink repellent compound and is also treated with an anti-static ionic compound or is otherwise rendered electrically conductive by one or more conductive strands. Electrostatic charges carried by the freshly printed sheets are discharged through the ink repellent, electrically conductive, flexible jacket covering into the grounded transfer cylinder. A low friction, electrically conductive cylinder base covering that includes center alignment marks is secured to the transfer cylinder for engaging the flexible jacket covering. The ink repellent, electrically conductive flexible jacket covering is provided with alignment center marks and alignment stripes so that the flexible jacket covering can be precisely aligned with ease and secured over the gripper edge, tail edge and side edges of the transfer cylinder. The low frictional coefficient of the conductive cylinder base covering is further reduced by nodes and/or openings. |
136 |
Method for testing elastic properties of a dressing on a printing
cylinder |
US421189 |
1995-04-13 |
US5721789A |
1998-02-24 |
Gerhard Loffler |
The object of the invention is attained in a manner where is at least one image pickup device is provided for picking up image signals obtained from at least one surface of a printed image, and a steering and control device connected to the pickup device in which the image sequences are stored. Furthermore, the image signals are examined for presence of jumps or transitions in tone values, and the position coordinates of the transitions in tone value jumps are stored. In a further step the frequency of those tone value jumps, in direction of the coordinates, which exceeds a given threshold value, are recorded, and applied to develop a signal for indicating need to replace the dressing. |
137 |
Process and rotary printing machine for indirect rotogravure printing |
US599855 |
1996-02-13 |
US5718171A |
1998-02-17 |
Udo Tittgemeyer; Ingo Kobler |
A process and rotary printing machine for indirect rotogravure printing without intermediate drying, wherein the printing ink with a viscosity in the range of 80 to 1000 mPa s is supplied to the rotogravure form cylinder by a chamber doctor. Additionally, the transfer cylinder carries a covering with a closed surface, low surface roughness, low wettability and high radial compressibility. |
138 |
Process for producing liquid crystal device |
US440880 |
1995-05-15 |
US5639511A |
1997-06-17 |
Yasuyuki Watanabe; Toshifumi Yoshioka; Keishi Danjo |
In a transfer printing apparatus having a blade-form ink extender and an ink extension member for extending an ink thereon in association with the ink extender, there is provided a means for removing an excess of the ink from the ink extender and/or and the ink extension member. The transfer printing apparatus is suitably used for forming a film of an organic polymer or an inorganic oxide in a process for production of a liquid crystal device. |
139 |
Offset lithographic printing press including a gapless tubular printing
blanket |
US342484 |
1994-11-21 |
US5440981A |
1995-08-15 |
James B. Vrotacoe; Glenn A. Guaraldi; James R. Carlson; Gregory T. Squires |
A tubular printing blanket for a blanket cylinder in an offset printing press comprises a cylindrical sleeve, a compressible layer over the sleeve, and an inextensible layer over the compressible layer. The cylindrical sleeve is movable telescopically over a blanket cylinder. The compressible layer comprises a first seamless tubular body of elastomeric material containing compressible microspheres. The inextensible layer comprises a second seamless tubular body of elastomeric material containing a tubular sublayer of circumferentially inextensible material. A seamless tubular printing layer over the inextensible layer has a continuous, gapless cylindrical printing surface. Methods of manufacturing the tubular printing blanket are also disclosed. |
140 |
Offset lithographic printing press |
US210633 |
1994-03-18 |
US5429048A |
1995-07-04 |
John M. Gaffney; Glenn A. Guaraldi; James B. Vrotacoe |
An improved printing press includes a tubular-shaped printing blanket removably disposed on a blanket cylinder rotatably supported by a frame and having a continuous outer circumferential surface which is free of gaps. The printing blanket is disposed in rolling engagement with a conventional printing plate disposed on a plate cylinder having an axially extending gap in which opposite ends of the printing plate are secured. The printing blanket is removed by opening a portion of the frame and axially sliding the printing blanket off of the blanket cylinder. To assist in the removal or insertion of the printing blanket the blanket cylinder has passages which deliver a stream of air to the outer surface of the blanket cylinder which expands the inner circumferential surface of the printing blanket so that the blanket can be axially removed or inserted onto the blanket cylinder. The printing blanket has a metal inner surface which is tensioned by the blanket cylinder to retain the printing blanket on the blanket cylinder during operation of the press. The printing blanket is at least partially formed of a compressible material which is compressed by the plate cylinder at a nip between the plate and blanket cylinders. |