Abstract: A planning boat includes at least one tank provided on a bottom of the boat. The tank has, at a stern side, a wall through which a through hole is provided below a waterline. A hull of the planning boat includes a bottom plate that forms the bottom of the boat, right and left side plates that form sides of the boat and a bow, a transom plate that forms a stern, and a plurality of longitudinal vertical plates. The plurality of longitudinal vertical plates each extend between the transom plate and forward portions of the side plates along a sailing direction and each have a lower surface that is fixed to an upper surface of the bottom plate. The tank is formed by using the pair of longitudinal vertical plates of the existing planning boat.

Abstract: An ink supply unit is a unitized member having a casing accommodating components therein. A plurality of plate cylinders are arranged in a circumferential direction at predetermined intervals. The ink supply unit corresponding to the plate cylinder is disposed on a radially outer side of the plate cylinder. The ink supply unit can move between an operation position in which ink can be supplied to the plate cylinder and a standby position located further to a radially outer side than the operation position.

Abstract: A can printing apparatus 1 includes a main printer 2 having plural plate cylinders 47 for printing different colors and performing printing onto side surfaces of cans, a secondary printer 6 performing additional printing to the side surfaces of the cans after the printing by the main printer, and a can inspection machine 5 inspecting a printing state. The can inspection machine 5 includes a can rotation device 51 which rotates cans C, a can imaging device 52 which takes images of the cans C and an image processing device 53 which processes the taken images, and the secondary printer 6 includes a printing head 6a which faces a side surface of a can held by the can rotation device 51 of the can inspection machine 5 and a processing unit which gives an instruction of printing to the printing head 6a based on a predetermined printing pattern and processing data of the image processing device 53 of the can inspection machine 5.

Abstract: A dampening water amount regulating apparatus 40 includes a plurality of air supply boxes 41 disposed in a line in an axial direction of a water transfer roller 8 and each defines one air blowing portion. The air supply box 41 includes a substantially U-shaped air passage 67 that allows air in an air supply chamber 57 to pass along an outer peripheral surface of the water transfer roller 8 and supplies the same into an air discharge chamber 60. A valve mechanism 44 that increases and decreases an air amount is provided at a midsection of the air passage 67.

Abstract: A printing plate unit to be demountably mounted on a printing plate mounting portion of a plate cylinder includes a printing plate and a printing plate coupling member. A length of the printing plate coupling member is larger than a width of the printing plate so that the printing plate coupling member is provided with a projecting portion projecting from the printing plate formed cylindrically in an axial direction. The printing plate unit is fitted to the printing plate mounting portion from one end side, and is demounted from the same one end side by gripping the projecting portion of the printing plate coupling member in a state both end portions of the printing plate formed into a cylindrical shape are coupled to each other by the printing plate coupling member.

Abstract: A printing plate unit automatic mounting apparatus 81 includes: a pressing member 96 inserted from a pressing member insertion opening 33 and pressing an inner slider 36 against a biasing force applied by a printing plate coupling member biasing apparatus 35, a retaining means 94 configured to retain and release the printing plate unit 1 by retaining and releasing a projecting portion 11a provided on the printing plate unit 1 and configured to serve as a gripping portion; and a drive apparatus 92 configured to move the retaining means 94 in an axial direction of a plate drive shaft.

Abstract: To attach a printing plate to a printer readily and accurately, and avoid necessity of a large space for the storage of the printing plate. A printing plate unit 1 includes a printing plate 3 in which a plate section 9 is provided on a part of a front surface of a sheet 8 made of an elastic material and engaging protrusions 10 that protrude toward a back surface and extend in a width direction are provided at both longitudinal ends, and a printing plate coupling member 4 that is detachable from the printing plate 3 and couples both the engaging protrusions 10 of the cylindrical printing plate 3 to each other to keep the cylindrical shape of the printing plate 3.

Abstract: An image processor 53 processing taken images includes an image inspection means 54 for inspecting whether printing is performed properly as compared with a master image by using the image of the entire can taken by a first camera, a density measurement means 55 for measuring densities in designated positions for respective colors also by using the image of the entire can taken by the first camera, and a printing misalignment value measurement means 56 for measuring misalignment values with respect to set positions of printing misalignment inspection marks printed on an opening-side end portion of a can for respective colors by using the image of the opening-side end portion of the can taken by the second camera.

Abstract: A printing plate unit automatic mounting apparatus 81 includes: a pressing member 96 inserted from a pressing member insertion opening 33 and pressing an inner slider 36 against a biasing force applied by a printing plate coupling member biasing apparatus 35, a retaining means 94 configured to retain and release the printing plate unit 1 by retaining and releasing a projecting portion 11a provided on the printing plate unit 1 and configured to serve as a gripping portion; and a drive apparatus 92 configured to move the retaining means 94 in an axial direction of a plate drive shaft.

Abstract: The present invention eliminates backlash between a drive helical gear and a driven helical gear and facilitates rotation of a driven gear member to increase rotational accuracy of a plate cylinder. A plate cylinder drive unit includes a plate cylinder drive shaft, a driven gear member having a driven helical gear that meshes with a drive helical gear and attached around the plate cylinder drive shaft, a position adjustment member moving the driven gear member to fix it at a predetermined position, a whirl-stop member attached to the plate cylinder drive shaft, a sandwiching member removably fixing the whirl-stop member to the driven gear member, a backlash eliminating helical gear disposed on one side of the driven helical gear, first springs bringing the backlash eliminating helical gear in pressure-contact with the driven helical gear, and second springs biasing the backlash eliminating helical gear to rotate it in a predetermined direction.

Abstract: An ink supply unit is a unitized member having a casing accommodating components therein. A plurality of plate cylinders are arranged in a circumferential direction at predetermined intervals. The ink supply unit corresponding to the plate cylinder is disposed on a radially outer side of the plate cylinder. The ink supply unit can move between an operation position in which ink can be supplied to the plate cylinder and a standby position located further to a radially outer side than the operation position.

Abstract: To attach a printing plate to a printer readily and accurately, and avoid necessity of a large space for the storage of the printing plate. A printing plate unit 1 includes a printing plate 3 in which a plate section 9 is provided on a part of a front surface of a sheet 8 made of an elastic material and engaging protrusions 10 that protrude toward a back surface and extend in a width direction are provided at both longitudinal ends, and a printing plate coupling member 4 that is detachable from the printing plate 3 and couples both the engaging protrusions 10 of the cylindrical printing plate 3 to each other to keep the cylindrical shape of the printing plate 3.

Abstract: A printing machine in which automatic supply of ink from different types of ink container to the ink fountain is possible, and in which further automation of replacement procedure, simplification of replacement procedure, and reduction of time required for replacement procedure are achieved is provided. The printing machine comprises an ink fountain member 2 having fountain-forming faces forming an ink fountain 1; an ink fountain roller 3 for applying an ink to the outer peripheral surface through an ink channel between the ink fountain roller 3 and the ink fountain member 2; a plurality of rollers 4, 15 for supplying the ink applied to the outer peripheral surface of the ink fountain roller 3 to a printing portion; a plurality of ink containers 65, accommodating different types of ink, and being stored in a predetermined container storage unit 66; and an ink supply device 68 for holding the desired ink container 65 and supplying the ink therein to the ink fountain 1.

Abstract: The present invention provides a machine-plate mounting device for a printer which can attach a cylindrical machine plate to the printer more easily and accurately. A machine-plate mounting device 3 is fixedly provided on a machine-plate drive shaft 1 of the printer for mounting a machine plate 2 having a form area 5 provided on a portion of an outer circumferential surface of a machine plate body 4 formed from an elastic material into a cylindrical shape and an engagement portion 6 projecting radially inward from an inner circumference of the machine plate body 5 and extending in an axial direction. The machine-plate mounting device 3 includes a machine-plate cylinder section 12 fixedly provided on the machine-plate drive shaft 1 and having, on its outer circumference, a cylindrical machine-plate mounting surface 14 on which the machine plate 2 is mounted from a front-end side of the machine-plate drive shaft 1.

Abstract: The present invention provides a printer which can facilitate temperature control of a machine-plate cylinder section, can allow simple setup, and can facilitate maintenance of printing quality in continuous printing. In the printer, a machine plate is mounted on the outer circumference of a machine-plate cylinder section 12 fixedly provided on a machine-plate drive shaft 1. A fluid whose temperature is regulated is circulated in the machine-plate cylinder section 12.

Abstract: A machine-plate manufacturing device 30 includes a cylinder section 32 having an outer circumferential portion. A groove into which an engagement portion of the sheet is removably inserted is formed in the outer circumferential portion of the cylinder section 32. On the inner side of the outer circumferential portion of the cylinder section 32, magnetic attraction members 51 formed of a magnetic material are provided, and permanent magnets 53 are provided in such a manner that their orientation can be switched. Permanent-magnet switching means is provided to switch the orientation of the permanent magnets 53 between a magnetization position for magnetizing the magnetic attraction members 51 and a demagnetization position for demagnetizing the magnetic attraction members 51.

Abstract: The present invention eliminates backlash between a drive helical gear and a driven helical gear and facilitates rotation of a driven gear member to increase rotational accuracy of a plate cylinder. A plate cylinder drive unit includes a plate cylinder drive shaft, a driven gear member having a driven helical gear that meshes with a drive helical gear and attached around the plate cylinder drive shaft, a position adjustment member moving the driven gear member to fix it at a predetermined position, a whirl-stop member attached to the plate cylinder drive shaft, a sandwiching member removably fixing the whirl-stop member to the driven gear member, a backlash eliminating helical gear disposed on one side of the driven helical gear, first springs bringing the backlash eliminating helical gear in pressure-contact with the driven helical gear, and second springs biasing the backlash eliminating helical gear to rotate it in a predetermined direction.

Abstract: The present invention provides a machine plate for a printer which can be readily and accurately attached to the printer. A machine plate 2 is characterized in that a rectangular sheet 19 of an elastic material is formed into a cylindrical shape with opposite end portions of the sheet 19 superposed on each other and joined together, thereby forming a cylindrical plate body 17; an end portion of the sheet 19 located on the inner side of a joint portion 20 is bent inward, thereby forming an engagement portion 21; and a form area 18 is provided at a predetermined portion of the outer circumferential surface of the machine-plate body 17 excluding the joint portion 20.

Abstract: A printing machine in which substantial automation of the replacement procedure is achieved, and thus significant simplification of replacement procedure, and reduction of time required for the procedure are achieved is provided. The printing machine comprises an ink fountain member 2, an ink fountain roller 3, a strip of sheet 39 of which middle part is placed over the ink fountain member 2, a sheet moving device 40, a pair of barrier plates 53 attracted to the ink fountain member 2 under the sheet 39 and attracted to the outer peripheral surface of the ink fountain roller 3 by a permanent magnet, a cleaning tank 56, a cleaning blade 57, a reciprocating device 58, a barrier plate replacing device 85, a plurality of ink containers 65 accommodating different types of ink and being stored in a container storage unit 66, and an ink supply device 86 for holding the desired ink container 65 and supplying the ink therein to the ink fountain 1.

Abstract: A printing machine in which the automation of the replacement of the barrier plate is easily performed, and in which further automation of replacement procedure, simplification of replacement procedure, and reduction of time required for replacement procedure are achieved is provided. The printing machine comprises an ink fountain member 2, an ink fountain roller 3, a pair of barrier plates 53 attracted to the fountain-forming face 37a of the ink fountain member 2 and the outer peripheral surface of the ink fountain roller 3 by a permanent magnet, and a barrier plate replacing device 85.