Abstract: An Occam process (solderless manufacturing) that employs a component support fixture that provides permanent or temporary support for components during subsequent processing in a solderless process for electrically connecting the components to circuits. The component support fixture provides oversized compartments for housing the components which may have varying sizes. The compartments are provided with vent holes or apertures for venting air or excess glue as the component support is pressed against the components during manufacture.

Abstract: A system and method for measuring concentricity between a first component and a second component is provided. The system includes a fixture having a first spring element and a second spring element. The first spring element is configured to apply force in an orthogonal direction to the second spring element. A sensor is mounted to the fixture, and the sensor is configured to measure a distance to the second component. The fixture is configured to slide substantially inside a groove of the first component.

Abstract: A measurement apparatus for measuring alignment of screen printed images has a body with a top surface and a bottom surface and an opening extending between the top surface and the bottom surface, and a measuring device for measuring an offset between the screen printed images. The measuring device is positioned adjacent the opening at the bottom of the body. An adjusting mechanism is cooperative with the measuring device for selectively adjusting the measuring device. A gauge is positioned on the body and cooperative with the adjusting mechanism so as to provide a positive numerical indication of the offset between the screen printed images.

Abstract: Apparatus (10) for registering printing plates (24) with a plurality of registration members (40A-40F), the apparatus (10) including a plate positioning system (64). The plate positioning system including a first member (50) adapted to pivot about a first pivot point and a plurality of second members (53A, 53B), each second member being pivotally coupled to the first member, and each second member comprising at least one element (58) adapted for engaging a printing plate. The apparatus includes a plurality of sensors (80A, 80B) adapted for detecting contact between the printing plates and the plurality of registration members. The plate positioning system includes a plurality of actuators (72A, 72B) coupled to the second members. An actuator in the plurality of actuators is selectively operated to apply force to an associated second member during a registration of a printing plate.

Abstract: A label printing kit, system, and method of use is disclosed which enables a user to print and easily apply labels to one or more units of a product with precise registration of the label on each unit of the product. The system utilizes labels with adhesive on a backside and a jig so that the labels can be easily, rapidly, and precisely applied manually to one or more units of a particular product, item or object.

Abstract: 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. The second end portion defines at least first, second, and third detent edges defining a detent opening. The guide system operates in storage configuration and a plurality of use configurations. In the storage configuration, detent members of two guide members extend through detent opening of the two guide members. In the use configurations, a detent member extends through one of the detent openings such that longitudinal axes of the first and second guide members are substantially co-linear or perpendicular and the exposed faces of the first and second guide members are substantially coplanar.

Abstract: 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: a support device for a printing cylinder; at least one camera which is adapted to record the image of the at least one mark of the printing plate positioned on the printing cylinder; and a monitor for enlarged display of the image recorded by the at least one camera, wherein the positioning apparatus is provided with a registering device for registering the image recorded by the camera. Using such a registering device it is possible to establish that the marks are located at the correct position. By making a copy of the data thus inputted into the register, evidence can be provided that the flexible printing plate is placed in the correct manner.

Abstract: 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 axis tool (526) or drum (300); c) a device (535) for supporting the translation-bearing rods (206, 208) in a parallel, planar relationship; d) a device (540) for supporting the drum axis tool (526) or drum (300) parallel to the translation-bearing rods (206, 208); and e) a device (546) for measuring and aligning the translation-bearing rods (206, 208) in relation to the parallel drum axis tool (526) or drum (300); and 2) a removable set apparatus (502) attachable to the master alignment fixture (534), including: a) a tube (506) or rod; b) aligned, downwardly extending first set arms (510) with magnets (518) attached, the magnets being detachably attachable to the translation-bearing rod; and c) at least two second, extended arms (511) that are detachably at

Abstract: 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 driven bidirectionally, and which travels laterally back and forth, to cause lateral displacement of the plate cylinder. The gear has a pin erected eccentrically thereon for abutment against a fixed limit stop on the press frame in order to limit the bidirectional rotation of the gear and hence to prevent the plate cylinder from being driven laterally beyond limits. A circumferential adjustment mechanism includes another spur gear which is motor driven bidirectionally, and which also travels laterally back and forth, to cause circumferential displacement of the plate cylinder. This second gear has a double-ended pin extending eccentrically therethrough and having its ends projecting in opposite directions therefrom.

Abstract: An adapter for a precision inspection instrument used for measurement of rollers or rolls in the paper, steel, film industry, without contacting the rollers or rolls. The adapter employs a high pressure fluid, such as compressed air, which emerges through a plurality of nozzles to form an air cushion for supporting the adapter nears the roller. Additionally, the adapter can be provided with adjustable, specifically defined surfaces having nozzles for forming the air cushion on rollers of various dimensions.

Abstract: A method and apparatus for imaging an overlying conductive pattern over an underlying conductive pattern on a substrate, by determining deviations between the actual locations and the nominal locations of predetermined reference targets in the underlying conductive pattern on the substrate; and utilizing the determined deviations for modifying the scanning control data used for imaging the image data of the overlying conductive pattern in order to reduce misregistration thereof with respect to the underlying conductive pattern. Preferably, the reference targets are predetermined connection sites in the underlying conductive pattern to be precisely located with respect to connection sites in the overlying conductive pattern. The reference features may be assigned different weights according to their registration importance, and the deviations may be determined according to a threshold which varies with the weight assigned to the respective reference feature.

Abstract: 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 with the position of a reference printing-plate sleeve of a reference printing unit. A motor during the printing unit is then readjusted when there is a determined deviation from the desired position.

Abstract: 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 positioning member is disposed to move a first aligning member to an extended position where a lateral outreach of the stack is set in accordance with the width of the stack. A second aligning member has a second upright flat wall with an abutment surface in a direction transverse to the guided straight path to define a front outreach of the paperboard stack when the carrier is in the stack aligning position. As such, the paperboard stack on the carrier can be aligned and moved directly toward the paperboard processing device thereafter.

Abstract: 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 page length of printed matter and a bottom side having an activatable, but non-activated adhesive member substantially disposed about the bottom side for securing to the continuous web The adhesive member is selectively activated for attaching an end of the makeready tape to an end of the continuous web on the roll of continuous webbing proximate to the printing unit, and feeding the web through the press for commencement or resumption of the printing process.

Abstract: 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 a surface (3) for resting the glass (2), said machine comprising an apparatus (100; 1000) for gripping and centring the glass (2) with respect to the fixed printing screen (4).

Abstract: 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.

Abstract: 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.

Abstract: 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 webs of differing widths, a camera assembly (28) beneath the platen (24) and indicia (206), and an X, Y, .theta. adjustable frame (30) supporting an upper screen frame support assembly (32) adapted to hold a printing screen (208) provided with reference indicia (212). When a segment (205) is initially positioned and held by platen (24), the camera assembly (28) is used to generate a combined image of the indicia (206) through the segment (205) and the screen reference indicia (212); a microprocessor controller uses this data, together with positional information establishing the location of the screen frame support assembly (32), and activates the three-motor adjustment frame (30) for simultaneous X, Y and .theta.

Abstract: 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 supports a workpiece disposed for delivery to a printing cylinder. Two cross-arms are spaced apart and attached to the body member. The first cross-arm comprises two half-portions, each of which is adapted for adjustable lateral extension. The second cross-arm is knight attached to the elongated body, and disposed for adjustable positioning along the body in relation to the first cross-arm.

Abstract: 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 is adjusted. This height is calibrated to a desired off-contact distance between a printing screen and the substrate to be printed (which is positioned on the pallet during printing). The frame holding arm of the printing machine, which is used to support the screen printing frame, is brought into position and secured to the setup frame. The height and level adjustments for the screen frame holding assembly are then fixed so as to conform to the position of the setup frame on the pallet. This process is repeated for all stations on the printing machine. Thus, the relative distance between all pallets and the screen printing frames attached to the holding assemblies are set to be the same, providing a consistent printing operation.

Abstract: 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 length of printed matter and a bottom side (14) having an adhesive compound disposed about a substantial portion of the bottom side (14). The method involving the steps of threading the pre-marked makeready tape (10) along the path of the continuous web (18), aligning a mark (22) on the pre-marked makeready tape (10) near the former (48) with a mark (22) on the former (48) in the folder (42), and adjusting the compensator (40) to align a mark (22) on the makeready tape (10) near the impression cylinder (28) with a mark (30) on the impression cylinder (28) of the printing unit (26).

Abstract: 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 front stops (A1, A2) detect the sheet leading edge. The front stops are adjustable by control elements (M1, M2) until front print marks (P1, P2) on the sheet are detected by sensors (S1, S2). A control element (M3) then adjusts the side stop (A3) until a side print mark (P3) is detected by another sensor (S3). A system control (11) controls this register correction with the position sensors (S1, S2, S3), the detectors (D1, D2) and the control elements (M1, M2, M3). This accomplishes reliable automatic register correction for each individual sheet and therefore maximum print quality.

Abstract: 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 one switch being positioned to engage a second side of the screen frame. The first and second sides of the frame are orthogonal relative to each other and, a pair of lights are activated by engagement of the frame with the switches, both of the lights being activated by simultaneous engagement of each of the switches by a screen frame. Similar sets of switches are provided on a table that supports the screens during exposure to an image to be replicated during printing and on a device that temporarily replaces a printing platen for alignment of each screen in a multi screen printing device.

Abstract: 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 unit can be directly connected with a computer processor unit for directing the computer processor unit in the selection of an appropriate correction algorithm for operating the control devices for carrying out the adjustment. In general, a control console can be provided with operating elements for inputting control commands, display elements for displaying a respective status, and control keys for inputting the necessary information for carrying out the control operation.

Abstract: 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 parallel surfaces. A portion of one of the parallel surfaces engages the upper surface of the bar. The plate is mounted to the upper surface of the bar. The plate projects outward over one of the side surfaces. The pin registration bar has a pair of sets of pins. The first set of pins projects upward from the other parallel surface of the plate for aligning with holes in the image film. The second set of pins projects downward from the one of the parallel surfaces of the plate for aligning with openings carried by the screen printing frame.

Abstract: 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 view superimposed images of the layout and plate cylinders. At least one video camera is disposed above and directed at the partial mirror to image the superimposed images upon a video display having radicle markings. A layout sheet is installable on the layout cylinder indicating proper positioning of printing plates on the plate cylinder. The video camera optionally magnifies superimposed images of registration marks on the layout sheet and the plate cylinder. The user aligns the radicle with the registration mark, places a printing plate on the imaged area of the plate cylinder, and then aligns corresponding registration mark on the printing plate with that of the layout sheet.

Abstract: 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 the cylinder toward the support surface in a manner to establish a uniform contact line, the PRRP having a microring formed on a surface thereof and arranged in a fixed position on the support surface such that the microring is in a predetermined position in relation to the contact line, a printing plate having a microdot formed on a surface thereof, wherein the microdot is of a size and configuration to be generally complimentarily received within the microring when positioned thereagainst to place the printing plate in condition for mounting by the plate cylinder.

Abstract: 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 fiducials on the mask is less than a desired distance, which may be the distance between corresponding fiducials on the workpiece. The mask is mounted on the frame, whereafter at least one side of the frame is heated to expand the side and stretch the mask to achieve the desired interfiducial distance.

Abstract: 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 pneumatic clamp is positioned on the table top assembly for clamping a pre-marked flexible printing plate to be drilled in place thereon. A movable stereomicroscope viewer is slidable above the table top assembly to view the flexible plate for position adjustment via the adjustable table top assembly. A drill assembly is also positionable over each location at which a pin register hole is to be drilled. The drill assembly includes a movable hollow core drill bit surrounding a stationary rod. Once the flexible plate is aligned via the viewer, the drill assembly is sequentially positioned above the flexible plate at each point to be drilled with a pin register hole and operated to drill each hole therein.

Abstract: 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 longitudinal axis. Each roller has a channel for retaining an edge of a screen fabric. A means of locking each roller in a predetermined rotative position to hold the screen fabric at the desired tension is associated with each corner member. One of the rollers and its associated corner members has a pair of alignment means. The alignment means have a hole associated with one corner member and a slot associated with the other corner member. A registration member associated with the image platform has a pair of pins for aligning and being received by the hole and slot in the alignment means associated with the screen tensioning and printing frame.

Abstract: 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 one switch being positioned to engage a second side of the screen frame. The first and second sides of the frame are orthogonal relative to each other and, a pair of lights are activated by engagement of the frame with the switches, both of the lights being activated by simultaneous engagement of each of the switches by a screen frame. Similar sets of switches are provided on a table that supports the screens during exposure to an image to be replicated during printing and on a device that temporarily replaces a printing platen for alignment of each screen in a multi screen printing device.

Abstract: 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 in a predetermined moving direction within a horizontal plane while keeping touch with the screen printing plate to thereby print the printing paste on the screen printing plate to the to-be-printed object, a circuit pattern provided on the screen printing plate and inclined at an angle to the moving direction of the printing squeegee, a lift device for relatively moving the positioning stage up and down to a predetermined printing position in a vicinity of a lower face of the screen printing plate, a rotating device for rotating the positioning stage about a longitudinal axis orthogonal to a face of the positioning stage, and a controlling device for controlling and rotating the positioning stage by means of the rotating device so that an inclining angle of

Abstract: 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 table, securing a substrate to the print table, mounting a screen, a device for effecting relative movement between the print table and screen mounting from a first position in which the vision device can view fiducial marks carried by the substrate to a second position in which the screen is positioned between the vision device and the substrate, in which the vision device can view fiducial marks carried by the screen to facilitate the adjustment of relative positions of the screen and substrate so that the fiducial marks on the screen and substrate are in register.

Abstract: 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 longitudinal axis. Each roller has a channel for retaining an edge of a screen fabric. A bolt associated with each corner member locks each roller in a predetermined rotative position to hold the screen fabric at the desired tension. One of the rollers has a pair of associated adapters interposed between the head of the bolt and the associated corner member. The adapter has a hole on one surface and a slot on the opposite surface. A registration member associated with the image platform has a pair of pins for aligning and being received by the hole and slot in the adapter associated with the screen tensioning and printing frame. The pins received by the hole and slot ensure alignment of the screen tensioning printing frame with the image platform.

Abstract: 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 displayed in window W2. The operator selects one of the register mark configurations available and also selects a register mark candidate position to locate the register mark. The selected register mark will be located at the selected candidate position after rotation by the specified rotation angle.

Abstract: 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 wheels rotate, and all of which are spaced from one another in a direction parallel to the longitudinal axis of the cylinder. A gauge is provided for measuring radial distances relative to the surface of the cylinder when the chassis is supported on the cylinder by the wheels, the gauge being supported on the chassis in such a way as to allow adjustment both of the height of the gauge relative to the chassis and of the position of the gauge relative to the chassis in a direction parallel to the axis of the cylinder.

Abstract: An artwork mat marking and cutting apparatus for use in cutting mat and similar material for picture framing and the like is disclosed. The apparatus includes a combined marking and bevel cutting device and a dual scale conversion ruler for ease of measurement in laying out mat borders. The conversion ruler has a cooperating extension which fits within a grooved guide, the guide having a T square like end for squaring the mat material with the apparatus. The outer borders of the mat material may be cut using a straight cutting device in combination with the above guide. The guide includes a feature allowing the cutter to traverse the entire sheet of material. Both the bevel and straight cutting devices allow the blade to be retracted when not cutting, and have various adjustment and other features. An alternative adaptor provides for the use of the bevel cutting device to make cuts perpendicular to the mat material surface.

Abstract: 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 blank on a key bed beneath the slide and positoning hole. Spaced detents provide a guide for spacing and, by indexing the slide as desired, the stamp indicia can be applied in a neat and evenly spaced manner.

Abstract: 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 mounted for movement toward and away from opposite sides of the platen. A pair of the registration members are coupled so that they move in mirror image in relation to a fixed point on the platen. When the screen frame is positioned on the platen, the registration members are activated to move inwardly toward the fixed point on the platen to center the screen in relation to the fixed point. Artwork is applied to the screen in alignment with underlying indicia provided on the platen and the screen is then processed to form a stencil in the screen.

Abstract: 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 deposited disks incorporated into the conventional plated art work of the substrate. These disks are positioned at the exact ideal location of each tooling hole. When the substrate manufacturing process is complete and the tooling holes have been drilled through at a correct location, the tooling hole will be positioned within the area of each disk on the substrate. If the tooling hole or holes is/are drilled at an unacceptable location, i.e. outside of the area of the disk, then the component receiving non-plated tooling holes, plated through holes and plated lands will also be miss-positioned and the substrate is discarded.

Abstract: 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 machine sequentially moves the printer plates into a printing station to affect the printing or image transfer. The present invention consists of two securely connected rigid plates and a system of actuators. The mounting plate 1 acts as a support or structural member for the rest of the apparatus. The alignment plate, being smaller in size than the mounting plate, provides edges against which the substrate locating devices of the printer plate make contact. In operation, the present invention is fastened to the screen holder in place of a screen or stencil on the first station of the machine.

Abstract: 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 first edge, comprising a base plate having a pair of opposing end edges, air cylinders for positioning the screen on the base plate along an adjacent side edge and end edge of the base plate, servo motors for indexing translational movement of the screen on the base plate from the adjacent side and end edges of the base plate, a light source and a light detector for sensing the first edge of each of the intersecting fiducial lines of the screen, a microprocessor for generating a signal upon sensing the first edge of each of the intersecting fiducial lines, and which is responsive to the detection of the first edge for slowing translational movement of the screen, a light source and a light detector for sensing the second edges of each of the intersecting fiducial

Abstract: 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 tension of a rear tensioning strip, whereupon a forward tensioning strip is canted by a desired degree. Then, rear stops are moved back and the rear tensioning strip is tensioned by way of spring force. The described steps are repeated if required. Means are also proposed to noticeably reduce the sliding friction between the plate cylinder and the printing plate.

Abstract: 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 plurality of receptacles for holding register measuring components. The remaining sides of the alignment block are planar and mutually perpendicular. Register measuring components can be attached to extensions placed within the receptacles and those register measuring components are used to measure deviation of web offset press components from a reference point in the press. The alignment block is adaptable to receive dowel pins in the receptacles, which form a corner with the blocks that can be simply and easily placed upon a precisely positioned reference positions on the frame of a color unit of a web offset press.

Abstract: 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 camera from below the plate-carrier; matching standard lines of the plate holder and printing plate with the cross lines of a monitor; lowering the plate holder until the plate holder comes into contact with the printing plate, then attaching the printing plate to the plate holder. The device for such method includes: a plate holder; a plate holder driver which drives the plate holder vertically and horizontally; a plate-carrier installed apart from printing position; a plate-carrier drive drives the plate-carrier in the vertical and horizontal directions; a camera installed below the plate-carrier so that the camera takes pictures of the standard lines of the plate holder and printing plate; and a monitor reproducing the image obtained by the camera.

Abstract: 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 insulated, it passes to a screen holder frame situated on the silk screen printing machine, in which the screen is embedded by means of fixed adjustable screws that are self-centering and the whole unit is attached to the screen holder frame, by means of a conventional pin adjuster. The entire process of the system should be followed in order to obtain maximum results.

Abstract: 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 layout, said symbols elements 30 being provided with symbol element locating means 34, 16, and symbol transfer means comprising a self-duplicating set of sheets 36 of draughting material having at least two sheets 36, and a pressure transfer means 24, said at least two sheets 36, being disposable between said raised outlines 50 of said symbols elements 30 and said pressure transfer means 24 so that pressure applied by said pressure transfer means 24 causes the outline of said symbols 32 to be transferred to at least one of said two sheets 36 to create an image of said symbols outlines thereon.

Abstract: 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 the register pairs and the accurate spacings of the individual register marks in each pair are determined by a light stylus, an electronic color video measuring camera system or on a measuring table having a digitizer surface. The values are entered into a computer which calculates the corrective values to be used to relocate one or more of the printing plates carried by each plate cylinder to achieve color registry in multi-color printing.

Abstract: A numbering machine for use in the printing of numbers, wherein the machine includes a base, a carriage reciprocally mounted to the base, a platent pivotally mounted to the carriage for supporting material upon which the number will be printed, and a scale member provided with indicia which cooperates with the carriage for effecting proper positioning thereof. The scale member also provides indicia for indicating to the operator the proper pivotal orientation of the platen for its particular reciprocal positioning.

Abstract: A printed circuit carrier which is deposited on a mobile table and has two spaced-apart holes is aligned with reference to the printing unit by two locating members one of which is fixed to the table and the other of which is movable relative to the table toward and away from the one locating member. The locating members are expandible and contractible and are introduced into the holes of a carrier on the table in contracted condition to be thereupon caused or permitted to expand and to thereby center the carrier on the table. If the distance x between the axes of the holes in the carrier on the table exceeds or is less than an optimum distance x', the table, the locating members and the carrier on the table are shifted in the longitudinal direction of a line connecting the axes of the holes in a direction counter to the direction of movement of the other locating member relative to the one locating member through half the difference between x and x'.