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| Number | Title | Issue Date |
| 7434509 | Guide system for forming ink images A guide system comprising a plurality of guide members, where each guide member comprises an exposed surface and an intermediate portion between first and second end portions. The first end portion comprises a deformable detent member defining a detent projection. T... | 10/14/2008 |
| 7127993 | Positioning apparatus provided with a register for flexible printing plates The invention relates to a positioning apparatus for positioning flexible printing plates on printing cylinders, wherein the printing plates are provided with at least one mark functioning as reference, wherein the apparatus comprises: ... | 10/31/2006 |
| 6677975 | System and process for magnetic alignment of an imaging subsystem An accurate system (501) for the magnetic alignment of an imaging subsystem (468) of an image processing apparatus (10) includes: 1) a master alignment fixture (534) including: a) two like, magnet-attracting translation-bearing rods (206, 208); b) a drum a... | 01/13/2004 |
| 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 |
| 6314883 | Apparatus and method for compensating for slip of a printing-plate sleeve In order to compensate for slippage of a printing-plate sleeve on the plate cylinder of a printing unit having its own motor, a first reference point for the position of the printing plate is sensed by a sensor. The first reference point is then compared ... | 11/13/2001 |
| 6260284 | Aligning apparatus for aligning sides of a stack of paperboards carried toward a paperboard processing device An aligning apparatus includes a carrier moving along a guided straight path for carrying a paperboard stack between a stack aligning position and a stack feeding position. When the carrier is in the stack aligning position, a first electrically driven po... | 07/17/2001 |
| 6082018 | Pre-marked makeready tape A pre-marked makeready tap for use in setting and regulating the position of webbing in a printing press. The pre-marked makeready tape having a top side defining at least a first mark and a second mark spaced apart a distance equal to a whole multiple pa... | 07/04/2000 |
| 5970867 | Machine for the silk-screen printing of sheets, equipped with apparatus for adjusting the relative position of the sheet and the printing screen Machine for the silk-screen printing of flat articles such as sheets of glass (2) and the like, comprising at least four fixed uprights (10) supporting horizontal parallel beams (20) on which a bridge (30) carrying the printing means (40) is movable, and ... | 10/26/1999 |
| 5943953 | Screen printing registration system An exposure frame (30) and a registration printing pallet (130) are disclosed for registering a printing screen frame (10) holding a screen (12) first to the artwork (4) and next to the pallet (19) supporting the product (T) to be screened.... | 08/31/1999 |
| 5921176 | Screen printing registration system An exposure frame (30) and a registration printing pallet (130) are disclosed for registering a printing screen frame (10) holding a screen (12) first to the artwork (4) and next to the pallet (19) supporting the product (T) to be screened.... | 07/13/1999 |
| 5901646 | Screen printing machine having three axes screen registration with shiftable support vacuum table for web A high speed screen printing machine (20) is provided for accurately imprinting images on segments (205) bearing indicia (206) of a transparent web (34, 36). The machine (20) includes a vacuum platen (24) which is transversely adjustable to accommodate we... | 05/11/1999 |
| 5797193 | Alignment apparatus for lithographic system An apparatus is provided for configuring a printing station of a lithographic system to align a workpiece with a printing cylinder of the printing station. The apparatus includes an elongated body attached in a predetermined fashion to a platform which su... | 08/25/1998 |
| 5765476 | Device for setup of off-contact in screen printing machines An off-contact setup device is provided for a screen printing type machine. The setup device includes a frame that releasably clamps onto a levelled image pallet of the screen printing machine. The height of the setup frame relative to the pallet surface ... | 06/16/1998 |
| 5722178 | Method for setting and regulating the position of webbing in a printing press using premarked makeready tape A method for setting and regulating the position of webbing in a printing press using pre-marked makeready tape (10) having a top side (12) defining at least a first mark (22) and a second mark (10) spaced apart a distance equal to a whole multiple page l... | 03/03/1998 |
| 5718057 | Register draw-in device A register draw-in device for sheet printing and embossing machines has two front or leading edge stops and a side stop, and position sensors (S1, S2, S3) for detecting print marks (P1, P2, P3) of a sheet (5). Two detectors (D1, D2) associated with the fr... | 02/17/1998 |
| 5664495 | Print screen alignment system A system for registering printing screens used for printing in series on a substrate which includes a plurality of outwardly projecting electrical switches, with a pair of the switches being positioned to engage a first side of a screen frame and at least... | 09/09/1997 |
| 5649484 | Electronic apparatus and computer-controlled method for alignment correction A computer interface unit of an electronic control system is configured for providing a user-oriented selection arrangement for selecting an appropriate adjustment sequence for changing the alignment of a flexible membrane on a cylinder. The interface uni... | 07/22/1997 |
| 5648189 | Pin registration for screen printing A pin registration bar aligning an image film to a screen mesh of a screen printing frame. The pin registration bar has a bar and a plate, The bar has an upper surface, a lower surface, and a pair of side surfaces. The plate has a pair of generally parall... | 07/15/1997 |
| 5633676 | Apparatus and method for mounting printing plates and proofing A mounting and proofing apparatus has plate and layout cylinders rotatably mounted in a frame in parallel alignment to each other. A partial mirror is disposed proximate the plate and layout cylinder to permit a user looking into the partial mirror to vie... | 05/27/1997 |
| 5626076 | Printing plate mounting system, physical register record plate and method employing the same A flexible printing plate mounting system, physical register record plate (PRRP) and method employing the same, wherein the system includes a sticky back covered plate cylinder, a plate support surface, arms operably connected to the cylinder for drawing ... | 05/06/1997 |
| 5626784 | In-situ sizing of photolithographic mask or the like, and frame therefore Alignment of a mask, such as a photolithographic mask, to a workpiece, such as a printed circuit board is improved using a frame having sides that are individually thermally expandable. The mask is fabricated to be undersized so that the distance between ... | 05/06/1997 |
| 5537927 | Apparatus and method for precisely drilling alignment pin register holes in pre-marked flexible printing plates An apparatus and method for aligning flexible printing plates and for accurately drilling pin register holes therein includes a three-way adjustable table top assembly which can be selectively adjusted in X and Y directions and rotated about an axis. A pn... | 07/23/1996 |
| 5522148 | Roller frame alignment bracket A registration/adapter apparatus for aligning a priming screen with an image platform. A screen tensioning and printing frame has four tensioning rollers coupled together by comer members. The comer members support the rollers for rotation about their lon... | 06/04/1996 |
| 5517912 | Print screen alignment system A system for registering printing screens used for printing in series on a substrate which includes a plurality of outwardly projecting electrical switches, with a pair of the switches being positioned to engage a first side of a screen frame and at least... | 05/21/1996 |
| 5493969 | Screen printing apparatus and screen printing method A screen printing apparatus for printing a printing paste to a to-be-printed object, includes a positioning stage for positioning and fixing the to-be-printed object, a screen printing plate disposed above the positioning stage, a printing squeegee moved ... | 02/27/1996 |
| 5459941 | Registration system A method and apparatus for use in printing which includes a print table mounted on a base frame, a support secured to the print table, a vision device secured to the support which is disposed such that the vision device uses a major face of the print tabl... | 10/24/1995 |
| 5377422 | Roller frame alignment bracket A registration/adapter apparatus aligning a printing screen with an image platform. A screen tensioning and printing frame has four tensioning rollers coupled together by corner members. The corner members support the rollers for rotation about their long... | 01/03/1995 |
| 5337668 | Method of and apparatus for producing register mark pattern Plural types of register mark configurations are displayed in window W1, and a specified page layout pattern is displayed in window W2. A plurality of register mark candidate positions, which can be decided according to the page layout pattern, are also d... | 08/16/1994 |
| 5335424 | Gauge for measuring radial distances on a cylindrical surface An apparatus for measuring radial distances relative to the surface of a cylinder includes a chassis supported on the cylinder by at least three wheels, at least one of which is rotatable about an axis different from the axes about which the remaining whe... | 08/09/1994 |
| 5305531 | Stamp indexing tool A portable tool for use by locksmiths and the like with an indexable slide having a positioning hole for nicely receiving a conventional chisel-type stamp. The tool has an adjustable clamp for releasably gripping and retaining a thin object, such as a key... | 04/26/1994 |
| 5226366 | Method and apparatus for aligning screens used for application of ink patterns to a substrate An apparatus and method are provided for registration of screens used in ink transfer processes for the printing of patterns on substrates such as clothing and other articles. The apparatus includes a platen surface and registration members that are mount... | 07/13/1993 |
| 5222305 | Method for specifying and verifying positive graphics pattern positions relative to non-plated tooling holes patterns on the same substrate A method of specifying and verifying tight toleranced positional accuracies of external conductive patterns on electronic substrates relative to non-plated tooling hole patterns in the same substrate comprising the addition of round plated or otherwise de... | 06/29/1993 |
| 5133256 | Printer plate locating device A printer plate locating device used in the alignment of printer plates with respect to a screen or stencil holder of a screen printing machine. The present invention is particularly useful when used in a multi-station printing machine where the printing ... | 07/28/1992 |
| 5129155 | Automatic screen registration device and method therefor An automatic screen registration device for a screen having a pair of generally perpendicular intersecting fiducial lines, each of the fiducial lines having first and second edges, the second edge being generally parallel to and to the outside of the firs... | 07/14/1992 |
| 5097763 | Plate cylinder arrangement for a printing press Disclosed is an apparatus for a printing press, with means being provided in the press for correcting any out-of-register position of a printing plate, so as to release, after the printing plate has been clamped onto the plate cylinder, initially the tens... | 03/24/1992 |
| 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 |
| 5031334 | Aligning method and apparatus for attaching a printing plate to a plate holder An aligning method including steps of placing a printing plate on a transparent plate-carrier which is driven in vertical and horizontal directions; photographing the printing plate and a plate holder, to which the printing plate is to be attached, via a ... | 07/16/1991 |
| 4981076 | Centralizing device for preparing a silk screen for a silk screen printing machine This system consists of two fundamental devices based on a holder frame in which the screen to be insulated is embedded and remains fixed to the first frame by means of applying a third frame equipped with embedding elements. Once the silk screen has been... | 01/01/1991 |
| 4896427 | Draughting apparatus A draughting apparatus 10 comprising a plurality of substantially planar symbols elements 30 having raised outlines 50 for depicting predetermined symbols 32, a support panel means 12, 16, for supporting the symbols elements 30 in a generally planar layou... | 01/30/1990 |
| 4827626 | Method and apparatus for register correction A method and apparatus for measuring and correcting register errors in multi-color printing machines is disclosed. A multi-color sheet that has been printed having register marks for each color is placed on a measuring table. The approximate locations of ... | 05/09/1989 |
