Abstract: A numbering and imprinting machine includes: a numbering printing unit for one surface including an impression cylinder and a numbering cylinder; a first numbering printing unit for the other surface including an impression cylinder and a numbering cylinder; a drying unit for numbering printing for one surface including a drying cylinder and a drying device; a second numbering printing unit for the other surface including an impression cylinder and a numbering cylinder; and a drying unit for numbering printing for the other surface including a transfer cylinder, a drying cylinder, and a drying device.

Abstract: An inking device of a numbering and imprinting machine includes: a numbering unit provided on an outer peripheral portion of a numbering cylinder and configured to print a code onto a transported sheet; a partition member configured to partition the inside of the ink fountain such that inks are stored divided by their colors inside the ink fountain; an ink fountain roller configured to draw out the inks stored in the divided manner inside the ink fountain, such that the inks appear side by side in the roller axial direction; select rollers onto which the inks fed from the ink fountain roller are transferred, respectively; oscillating rollers onto which the inks fed from the select rollers are transferred, respectively; and form rollers configured to rotate such that convex portions thereof, onto which the inks fed from the oscillating rollers are transferred, come into contact with the numbering unit.

Abstract: A printing press includes: an upper collect printing unit configured to perform collect printing in which multi-color printing is performed by applying inks of multiple colors at once, on a top surface of a conveyed sheet; and a lower collect printing unit configured to perform collect printing in which multi-color printing is performed by applying inks of multiple colors at once, on a bottom surface of the conveyed sheet.

Abstract: A collect printing press includes: an impression cylinder configured to hold and transport a sheet; a rubber cylinder being in contact with the impression cylinder and including a blanket mounted thereon; a collecting plate cylinder being in contact with the rubber cylinder and including a plate mounted thereon; a collecting rubber cylinder being in contact with the collecting plate cylinder and including a blanket mounted thereon; multiple partial plate cylinders each being in contact with the collecting rubber cylinder and including a plate mounted thereon; and multiple inking devices configured to feed inks to the partial plate cylinders, respectively. The plate of the collecting plate cylinder is a relief printing plate, and the plate of each of the partial plate cylinders is a lithographic printing plate, and the collect printing press further includes multiple dampening units configured to feed dampening water to the partial plate cylinders, respectively.

Abstract: A proof printing press includes an impression cylinder, a collecting cylinder, and a wiping roller, which are positioned relative to a plate cylinder such that a length of an outer circumference of the plate cylinder at a downstream side of a facing position P1 in a rotation direction of the plate cylinder is longer than a length in a circumferential direction of a mounting surface of the plate cylinder, where the length of the outer circumference of the plate cylinder extends between the facing position P1 where the plate cylinder faces the collecting cylinder and a facing position P2 where the plate cylinder faces the wiping roller, and that a length of the outer circumference of the plate cylinder at a downstream side of the facing position P2 in the rotation direction of the plate cylinder is longer than the length in the circumferential direction of the mounting surface of the plate cylinder, where the length of the outer circumference of the plate cylinder extends between the facing position P2 where th

Abstract: In a sheet-fed printing press including; an impression cylinder gear driven by an upstream drive motor of an upstream printing unit group; an impression cylinder rotationally driven by the impression cylinder gear; a transfer cylinder gear of a convertible press mechanism rotationally driven by the upstream drive motor through the impression cylinder; and a transfer cylinder which is provided with a notch and is rotationally driven by the transfer cylinder gear, a load motor is provided to the transfer cylinder or the transfer cylinder gear, and braking force of the load motor is controlled according to load on the upstream drive motor.

Abstract: An ink supply apparatus of a printing press includes at least one inking device. In the inking device, an ink fountain roller is rotatably supported. An ink fountain main body forms a space to store an ink together with an outer surface of the ink fountain roller. A guide member slidably supports the ink fountain main body and guides the ink fountain main body between a first position where the space is formed and a second position spaced apart from the ink fountain roller than the first position. A doctor including a blade is attached to a doctor holding member between the ink fountain main body and the ink fountain roller when the ink fountain main body is located at the second position. The blade abuts against the ink fountain roller and cleans the ink fountain roller.

Abstract: The purpose of the present invention is to provide a combination printer that makes it possible to perform both offset printing and Orlof printing on a single printer, and for offset printing, allows the selection of either double-sided or single-sided printing. An Orlof printing section (2) is provided with an Orlof printing unit that has the following: partial plate cylinders (11), a collecting blanket cylinder (12), a collecting plate cylinder (13), a blanket cylinder (9), an impression cylinder (10), and a moving inker (25). An offset printing section (3) is provided with front-side and back-side offset printing units (3a-3d, 3e-3h) that each have an ink-supply device (18), a plate cylinder (19), a blanket cylinder (15), and an impression cylinder (16). The respective impression cylinders of the front-side offset printing unit and the back-side offset printing unit are placed up against each other such that said printing units receive and output sheets between said impression cylinders.

Abstract: An intaglio printing press includes: a first intaglio printing unit; a second intaglio printing unit; a dryer for drying a printed surface of a sheet subjected to printing by the first intaglio printing unit; a convertible unit which holds and conveys the sheet received from the first intaglio printing unit and passes the sheet to the second intaglio printing unit in such a way that a surface of the sheet to be subjected to intaglio printing by the second intaglio printing unit is switchable between one surface and another surface of the sheet; and a second skewing adjustment cylinder and a second circumferential adjustment cylinder which are disposed between the convertible unit and the second intaglio printing unit and which adjust a position of a pattern to be intaglio-printed on the sheet by the second intaglio printing unit.

Abstract: The present invention comprises: one-surface impression cylinders (121a-161a) for holding and transporting a sheet; one-surface rubber cylinders (122a-162a) for printing on a sheet in one direction, the rubber cylinders being in contact with the impression cylinders (121a-161a); one-surface plate cylinders (123a-163a) in contact with the rubber cylinders (122a-162a); one-surface ink devices (124a-164a) for supplying ink to the plate cylinders (123a-163a); other-surface impression cylinders (121b-161b) for receiving, holding, and conveying the sheet from the impression cylinders (121a-161a) in contact with the impression cylinders (121a-161a); other-surface rubber cylinders (122b-162b) for printing on the sheet in the other direction, the other-surface rubber cylinders being in contact with the impression cylinders (121b-161b); other-surface plate cylinders (123b-163b) in contact with the rubber cylinders (122b-162b); and other-surface ink devices (124b-164b) for supplying ink to the plate cylinders (123b-163b

Abstract: A printer is provided with: offset printing units (120 to 150) comprising impression cylinders (121a to 151a, 121b to 151b) for holding and transferring a sheet (101), blanket cylinders (122a to 152a, 122b to 152b) facing the impression cylinders (121a to 151a, 121b to 151b), plate cylinders (123a to 153a, 123b to 153b) facing the blanket cylinders (122a to 152a, 122b to 152b), and ink devices (124a to 154a, 124b to 154b) for supplying ink to the plate cylinders (123a to 153a, 123b to 153b); and an intaglio printing unit (180) comprising an impression cylinder (181) which receives the sheet (101) subjected to offset printing in the offset printing unit (150) and holds and transfers the sheet (101), an intaglio plate cylinder (182) facing the impression cylinder (181), ink supply means (183 to 185) for supplying ink to the intaglio plate cylinder (182), and the like.

Abstract: An ink supply apparatus includes an ink fountain, ink fountain keys, and an ink guide portion. The ink fountain is formed from a pair of ink dams arranged to face each other, a bottom surface, and an outer peripheral surface of an ink fountain roller so as to store ink. The ink fountain keys that form gaps between the outer peripheral surface of the ink fountain roller and the ink fountain keys to extract the ink stored in the ink fountain. The ink guide portion projects from a distal end of each of the ink fountain keys toward the ink fountain roller so as to guide the ink extracted from the ink fountain to the ink fountain roller.

Abstract: An ink supply apparatus of a printing press includes at least one inking device. In the inking device, an ink fountain roller is rotatably supported. An ink fountain main body forms a space to store an ink together with an outer surface of the ink fountain roller. A guide member slidably supports the ink fountain main body and guides the ink fountain main body between a first position where the space is formed and a second position spaced apart from the ink fountain roller than the first position. A doctor including a blade is attached to a doctor holding member between the ink fountain main body and the ink fountain roller when the ink fountain main body is located at the second position. The blade abuts against the ink fountain roller and cleans the ink fountain roller.

Abstract: Provided is a quality inspection apparatus including: gripper units provided to each delivery chain, each gripper unit configured to hold an end portion of a sheet; an arc-shaped track portion provided in a part of a movement track of the gripper units and formed by the movement track; an inspection unit installed at an opposite side of the arc-shaped track portion from an arc center of the arc-shaped track portion; and a vacuum cylinder installed at the same side of the arc-shaped track portion as the arc center. In the apparatus, while running along the arc-shaped track portion, the sheet is inspected by the inspection unit under a guidance of the vacuum cylinder.

Abstract: Provided is a quality inspection apparatus including: gripper units provided to each delivery chain, each gripper unit configured to hold an end portion of a sheet; an arc-shaped track portion provided in a part of a movement track of the gripper units and formed by the movement track; an inspection unit installed at an opposite side of the arc-shaped track portion from an arc center of the arc-shaped track portion; and a vacuum cylinder installed at the same side of the arc-shaped track portion as the arc center. In the apparatus, while running along the arc-shaped track portion, the sheet is inspected by the inspection unit under a guidance of the vacuum cylinder.

Abstract: In a sheet-fed printing press including; an impression cylinder gear driven by an upstream drive motor of an upstream printing unit group; an impression cylinder rotationally driven by the impression cylinder gear; a transfer cylinder gear of a convertible press mechanism rotationally driven by the upstream drive motor through the impression cylinder; and a transfer cylinder which is provided with a notch and is rotationally driven by the transfer cylinder gear, a load motor is provided to the transfer cylinder or the transfer cylinder gear, and braking force of the load motor is controlled according to load on the upstream drive motor.

Abstract: In a printing press including; a blanket cylinder gear driven by a drive motor of the printing press; a blanket cylinder including a notch, the blanket cylinder being rotationally driven by the blanket cylinder gear; a plate cylinder gear rotationally driven by the drive motor of the printing press through the blanket cylinder gear; and a plate cylinder including a notch at a position corresponding to the notch of the blanket cylinder, the plate cylinder being rotationally driven by the plate cylinder gear, a load motor is provided to the plate cylinder or the plate cylinder gear, and a braking force of the load motor is controlled according to load applied to the drive motor of the printing press.

Abstract: A quality inspection apparatus for a double-sided printing machine which includes a rubber impression cylinder and a rubber cylinder; inking unite for supplying ink to the rubber impression cylinder and the rubber cylinder; and a transport mechanism for transporting the printed paper to a delivery unit. The transport mechanism includes first through third transport cylinders for transporting the paper from the first delivery chain, and a delivery chain for transporting the paper from the first through third transport cylinders. The quality inspection apparatus includes an inspection camera for detecting a status of printing on one face of the paper when transported by the first transport cylinder, and an inspection camera for detecting a status of printing on the other face of the paper when transported by the second transport cylinder.

Abstract: An inking apparatus for a printing press comprises upper and lower fountain rollers disposed and rotatably supported in respective ink fountain apparatuses; upper and lower ductor rollers supported to be rotatable in close proximity with the fountain rollers; and an ink mixing roller which is the furthest upstream ink roller to which ink is transferred from the upper and lower ductor rollers. In the inking apparatus, an intermediated metal roller and an intermediate rubber roller are provided between the ink mixing roller and at least one of the upper ductor roller and the lower ductor roller.

Abstract: An inking apparatus for a printing press comprises upper and lower fountain rollers disposed and rotatably supported in respective ink fountain apparatuses; upper and lower ductor rollers supported to be rotatable in close proximity with the fountain rollers; and an ink mixing roller which is the furthest upstream ink roller to which ink is transferred from the upper and lower ductor rollers. In the inking apparatus, an intermediate metal roller and an intermediate rubber roller are provided between the ink mixing roller and at least one of the upper ductor roller and the lower ductor roller.