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| Number | Title | Issue Date |
| 7063016 | Method for registration of ferromagnetic metal base printing plates on an external magnetic drum imagesetter Apparatus and method for registration and loading of ferromagnetic metal-based printing plates to a magnetic drum. The apparatus comprises a magnetic cylinder equipped with registration holes; a loading table, a non-magnetic material spacer tray and at least one pai... | 06/20/2006 |
| 6688016 | Angular position adjusting device An angular position adjusting device including a first member which holds an object having an axis of rotation, a second member which holds the first member rotatably about the axis of the object, and a rotating mechanism interposed between the first and ... | 02/10/2004 |
| 6684786 | Press plate mounting apparatus A press plate mounting apparatus has a press plate placement portion capable of holding a press plate having a partially formed print face region, and a plate cylinder holding portion that rotatably holds a plate cylinder onto which the press plate is mou... | 02/03/2004 |
| 6655278 | Apparatus for fine positional adjustment of a plate cylinder for multicolor image registration An apparatus for positional adjustment of a plate cylinder in both lateral and circumferential directions thereof for image registration in a multicolor, offset rotary printing press. A lateral adjustment mechanism includes a spur gear which is motor driv... | 12/02/2003 |
| 5701823 | Self aligning tool for registering rotary printing plates and method of registering plates A registering tool and registering method enables adhering of flexographic printing plates to the cylindrical surface of a rotary press plate cylinder in a manner which assures that the upper and lower edges of the plate are aligned in a strictly parallel... | 12/30/1997 |
| 5660110 | Plate mounter for flexible printing plates A plate mounter for mounting flexible printing plates on a printing cylinder used in flexographic and letterpress printing processes includes a frame and a table top having a top flat surface located above the frame for supporting the printing plate. The ... | 08/26/1997 |
| 5488781 | Positioning apparatus for printing plates The invention relates to an apparatus for positioning flexible printing plates comprising at least two markings on a printing cylinder, a support device for the printing cylinder, a projection device for projecting reference marks on the printing cylinder... | 02/06/1996 |
| 5363564 | Printing plate mounting and proofing machine and method for using same The positions of horizontal lines on a layout cylinder of a printing plate mounting and proofing machine are located with automatic compensation for stretch that results from various parameters such as the diameter of a printing cylinder on which the layo... | 11/15/1994 |
| 5311669 | Non-magnetic printing press packing gauge A printing press packing gauge is provided in the form of a channel member or saddle for lengthwise disposition along and support from a blanket cylinder with the open side of the channel member abutted and seated against the blanket cylinder and one end ... | 05/17/1994 |
| 5155921 | Image plate mounting and positioning device for gapless magnetic plate cylinders A portable table assembly for facilitating initial alignment in mounting of a metallic printing plate to a magnetic plate cylinder includes a table having a top surface for supporting the metallic printing plate. A roller is mounted in the table and is ex... | 10/20/1992 |
| 5132911 | Apparatus for mounting and proofing printing plates An apparatus for mounting flexible printing plates on a printing cylinder includes a base rotatably supporting a printing cylinder in a predetermined position and an adjacent support table having a surface for supporting a flexible printing plate having a... | 07/21/1992 |
| 5094164 | Method and device for in-register exposing and in-register printing of a flexible letterpress form A method of in-register exposing and printing of a flexible letterpress form for spot varnishing, which comprises fixing on a copying cylinder in-register a flexible letterpress form having a register system in a region of the leading edge of the form, an... | 03/10/1992 |
| 5075980 | Method and apparatus for determining alignment of web offset printing press components A method and apparatus for determining the degree of alignment or misalignment of various web offset lithograph printing press components is disclosed. An alignment block is provided having one surface with a modified curved "v" contour, and with a plural... | 12/31/1991 |
| 5072525 | Print analysis system Provided by the present invention, is an apparatus for and a method of ensuring an accurate parallel alignment between working surfaces of various rolls or cylinders disposed in a print station of a package printing arrangement. Further, this invnetion pr... | 12/17/1991 |
| 5058287 | Register system and method for flexographic printing plates In system and method for registering a flexographic printing plate on a printing cylinder, the printing plate is provided with two alignment holes. A first registration pin is moved with a precision adjustment device to a predetermined location adjacent t... | 10/22/1991 |
| 5052120 | Sheet positioning, clamping, and tensioning means A sheet to be clamped includes registration holes at its edges. The leading and trailing ends of the sheet are superimposed, then positioned and clamped with respect to a cylinder by means of a clamping bar. The sheet is tensioned by use of an adjustable ... | 10/01/1991 |
| 4932324 | Mounting device for adhesive-backed blankets A device and method for installing an adhesive-backed printing blanket on a cylinder is provided. The printing blanket has an adhesive backing for holding it on the cylinder and a leading edge substantially perpendicular to the edge of the blanket. The de... | 06/12/1990 |
| 4925506 | Printing plate mounting device and method A mounting device and method for positioning a printing plate on a press cylinder utilizes a transparent planar surface having a grid thereon. A cylinder can be lowered into the cradle and adhesively retain a flexible printing plate which has been alinged... | 05/15/1990 |
| 4809609 | Method of directly mounting a printing plate on plate cylinder and the plate cylinder and register pins used in said method A printing plate is directly mounted on a plate cylinder by first placing small holes in the non-image area of the printing plate on register holes in the plate cylinder and by then inserting register pins through the small holes and into the register hol... | 03/07/1989 |
| 4705590 | Machine for adhesively mounting a printing plate on a plate roll A machine for mounting a printing plate on a plate roll having an adhesively coated face. The machine includes a frame, means for rotatably mounting a plate roll on the frame in a selected position, a tilting framework swingably mounted on the frame and a... | 11/10/1987 |
| 4450629 | Offset press attachment The present invention relates to a method, and means or device comprising an attachment, that is capable of quickly, efficiently, and accurately, horizontally aligning printing plates, especially offset printing plates on a rotary press such as an offset ... | 05/29/1984 |
| 4446625 | Apparatus for mounting flexible printing plates An apparatus for mounting flexible printing plates on printing cylinders. A frame is fixed with respect to a printing cylinder and a plate is fixed on the frame by keys. When an end of the plate has been adhered to the cylinder, the keys are detached and ... | 05/08/1984 |
| 4259904 | Alignment system for offset printing presses An alignment system for the positioning of printing plates on offset printing presses which have an axially extending fastening channel. The system includes of a stamping machine for the punching out of register holes in the printing plate and the related... | 04/07/1981 |
| 4177730 | Method and apparatus for web printing A method and apparatus for makeready of a web press having an unwind apparatus for supporting a rolled web of material and having a plurality of rotatable members in spaced alignment defining a path for the web and arranged to perform operations on said w... | 12/11/1979 |
| 4066015 | Stationery printing apparatus for continuous business forms stationery assemblies Stationery printing apparatus for printing indicia at a predetermined position on each form length of continuous business forms stationery assemblies. The apparatus embodies a unique arrangement of a printing device in connection with a form feeding devic... | 01/03/1978 |
| 4055120 | Apparatus for adjusting a tensioning device in plate cylinders of rotary printing machines In a rotary printing machine, the cylinder for holding the printing plate has a printing plate tensioning device formed in it, which includes an adjustably positionable tensioning rail. To adjust this rail, a set of marks is formed on the cylinder. A supp... | 10/25/1977 |
| 4033259 | Device for adjusting printing plates on the plate cylinder of printing presses Apparatus for facilitating peripheral adjustment of a printing plate on a printing cylinder of a multicolor printing press in the form of an optical viewing device having magnifying optics including a single eye piece and two objectives. The objectives ar... | 07/05/1977 |
| 4019434 | Mounting-proofing machine for flexographic plates A machine to facilitate the mounting of flexographic printing plates and for obtaining proofs thereof. The machine includes an impression cylinder supported for rotation at a fixed position, the impression cylinder making contact with printing plates on a... | 04/26/1977 |
| 4004509 | Mounting-proofing machine A mounting-proofing machine to facilitate mounting of flexible printing plates on a plate cylinder preparatory to operation in a flexographic printing press and to obtain proofs from these plates, whereby the mounted plates may be checked for color regist... | 01/25/1977 |
| 3969826 | Apparatus for pre-adjusting the plate cylinders of printing presses In a multi-color rotary printing press equipped with a plate cylinder at each of a plurality of printing stations where a web is to be printed, the rotary positions of the plate cylinders are pre-adjusted to achieve registry of the printing applied at eac... | 07/20/1976 |
