| Patent Number |
Title Of Patent |
Date Issued |
| 6817290 |
Bearing support system for a printing press having cantilevered cylinders |
November 16, 2004 |
| A bearing assembly for use on a printing press is disclosed. The printing press includes a frame. A support shaft is mounted to the frame and includes a pair of ends, with the support shaft defining a longitudinal axis. A cylinder is provided, and the bearing assembly rotatably supports |
| 6659006 |
Tension control device for a printing press |
December 9, 2003 |
| A tension control device for a printing press having an adjustment roller, with a web of the press passing from a supply roll of the web to the adjustment roller. Means are provided for measuring the tension on opposed sides of the web passing downstream from the adjustment roller, and m |
| 6546861 |
Printing press scraping blade |
April 15, 2003 |
| A printing press ink scraping blade is disclosed. The ink scraping blade is of a unitary construction and includes a working end as well as a mounting end. The working end is preferably substantially thicker than the mounting end to provide substantially more material at the working end. |
| 6485171 |
Apparatus and method for sensing the fluid level in a mixing device |
November 26, 2002 |
| A sensor for detecting the level of circulating fluid in a tank comprises a paddle blade disposed at a particular height and oriented generally radially from a rotating shaft in the tank. A sensing device, such as a strain gauge, is attached to the paddle blade to detect when the paddle |
| 6347585 |
Variable gap stabilizer |
February 19, 2002 |
| A gap adjusting device for a rotary press comprises a frame and a fountain roller and a metering roller which are both rotatably mounted relative to the frame. A gap is defined between the metering roller and the fountain roller, and an adjustment member is provided which has an actuator |
| 6318257 |
Bearing support system for a printing press having cantilevered cylinders |
November 20, 2001 |
| A bearing assembly for rotatably supporting the cylinder on a printing press is disclosed. The printing press comprises a frame, a support shaft, a cylinder, and the bearing assembly. The support shaft includes an inner fixed end attached to the frame, a free end disposed outwardly away |
| 6279890 |
Combination rotary and jaw folder for a printing press |
August 28, 2001 |
| A printing press having a jaw mode assembly and a rotary mode assembly with a single folding cylinder adapted to feed either the jaw mode assembly or the rotary mode assembly is disclosed. A moving web of material is initially trained about the folding cylinder and cut into a signatures |
| 6231492 |
Cutting drum having circumferentially adjustable cutting blades for use on a rotary press foldin |
May 15, 2001 |
| An adjustable cutting bar having a pair of cutting blades for use on a rotary press folding machine includes a rotatable shaft supported on a frame, a first cutting blade secured to the shaft for common rotation therewith, and a second cutting blade rotatably mounted to the shaft to |
| 6131904 |
Stripping mechanism for a delivery fly assembly |
October 17, 2000 |
| A fly stripping mechanism for stripping sheet-like objects such as printed material from a rotating fly assembly having a plurality of fly pockets is disclosed. A cam adjacent the fly assembly remains stationary as the fly assembly rotates. A lever is disposed adjacent each fly pocket an |
| 6108796 |
Fault tolerant multi-drop communications system |
August 22, 2000 |
| A fault tolerant multi-drop communications system (10) having a plurality of communication nodes (14), and a main control system (12) for the communication nodes (14). The system (10) has a device for disenabling a node (14) having a fault while maintaining communications between the mai |
| 5969619 |
Liquid level control system |
October 19, 1999 |
| In order to control the delivery of a liquid to a vessel, a liquid level control system includes a regulated supply of low pressure air delivered to an air supply tube which extends to a liquid vessel for discharging the low pressure air at a preselected level within the liquid vessel. T |
| 5943955 |
Printing press having cantilevered self-driven cylinders |
August 31, 1999 |
| In order to facilitate removal and replacement of blanket and impression sleeves in a rotary offset printing press, the blanket and plate cylinders are supported in cantilever fashion. The cantilevered cylinders allow axial removal and replacement of the blanket and impression sleeves |
| 5937757 |
Gap adjusting device with pressure relief for a second fold roller |
August 17, 1999 |
| In order to permit automated setting of operating parameters while also facilitating the removal of paper jams, a device for adjusting the gap size between folding rollers of a rotary press folding machine includes a pair of counter-rotating folding rollers which define a folding nip or |
| 5927200 |
High-shear liquid mixing and dispersing apparatus |
July 27, 1999 |
| A mixing and dispersing apparatus for emulsion ink in a printing press is disclosed. The apparatus includes a vessel having walls defining an upper chamber and a lower chamber. A motor drives a shaft carrying a propeller having pitched blades, disposed in the upper chamber. The shaft als |
| 5915303 |
Spring clip plate retainer |
June 29, 1999 |
| One or more flexible printing plates are installed on a print cylinder through the use of one or more slots formed axially along the cylinder. A resilient spring clip is inserted into the slot, followed by a plate registration bracket with a registration pin which is secured in the slot |
| 5903712 |
Ink separation device for printing press ink feed control |
May 11, 1999 |
| An ink separation device for a printing press ink feed control having a device for printing a color chart having randomly distributed color patches, and recording the cyan, magenta, yellow and black ink dot sizes (CMYK) for each color patch, a device for measuring the red, green, blue |
| 5894797 |
Tension control device for a printing press |
April 20, 1999 |
| A tension control device (50) for a printing press (10) having an adjustment roller (52), a device (64 and 66) for measuring the tension on opposed sides of a web (14) passing downstream from the adjustment roller (52), and a device (82) responsive to the measuring device (64 and 66) for |
| 5875028 |
Workstation for both manually and automatically controlling the operation of a printing press |
February 23, 1999 |
| A control system (60) for a printing press having a printed copy, a device (68 and 70) for manually using the copy to control operation of the press based on information on the copy, and device (80 and 82) for automatically reading the copy while excluding any control by target informati |
| 5868071 |
Variable cutoff printing press |
February 9, 1999 |
| In order to provide a variable cutoff printing press, the press includes a pair of plate cylinders and a pair of blanket cylinders with all of the cylinders having a cylindrical body and a central axis of rotation. The plate cylinders are each mounted perpendicular to at least one side f |
| 5841955 |
Control system for a printing press |
November 24, 1998 |
| A control system (10) for a four-color printing press (11) having a device (21) for detecting the energy reflected from a paper surface in both the visible region and the infrared region of the electromagnetic spectrum, a device (23) for converting the output of the detecting device (21) |
| 5839364 |
Dampening system for a printing press |
November 24, 1998 |
| A dampening assembly (10) for a printing press (12) having a spray bar (16) and source (18) of a liquid (L). The system (10) has a pressure regulator (22) being connected to the source (18) through a first conduit (20), and being connected to the spray bar (16) through a second conduit ( |
| 5816151 |
Device for alignment of images in a control system for a printing press |
October 6, 1998 |
| A device for alignment of images for a control system of a printing press having a device for creating targets, a device for aligning a camera, a device for finding actual dot positions on at least one of the targets, a device for calculating the desired dot positions, a device for gener |
| 5812705 |
Device for automatically aligning a production copy image with a reference copy image in a print |
September 22, 1998 |
| A device to align images for a printing press control system comprising, a device for capturing a reference image containing one or more image planes from a reference copy, a device for converting the reference image into a monochrome reference image, a device for capturing a production |
| 5806427 |
Printing press having carriage mounted interchangeable plate cylinders |
September 15, 1998 |
| A rotary offset printing press having a pair of carriage mounted interchangeable plate cylinders is disclosed. The carriage is slidably mounted to the press and reciprocates along a generally linear path. The pair of plate cylinders are rotatably mounted to the carriage, and each of |
| 5805280 |
Control system for a printing press |
September 8, 1998 |
| A control system (60) for a printing press having a printed copy, a device (68 and 70) for manually using the copy to control operation of the press based on information on the copy, and device (80 and 82) for automatically reading the copy while excluding any control by target informati |
| 5797319 |
Drive device for a folder in a printing press |
August 25, 1998 |
| A drive device (10) for a folder in a printing press having a folding blade mounted to a folding blade shaft (12). A drive gear (16) drives a folding blade shaft gear (14). The drive device also includes a plunger (24) having an intermediate gear (28) between the gear (14) of the folding |
| 5767980 |
Video based color sensing device for a printing press control system |
June 16, 1998 |
| A color sensing device of a printing press control system, having a plurality of lamp fixtures (100 and 102) for providing light in the visible region and the near infrared region of the spectrum to illuminate a viewing area (104), a camera assembly (108), the camera assembly having |
| 5740738 |
Gapless blanket cylinder |
April 21, 1998 |
| A blanket cylinder (10) having an inner mandrel (12) having an outer surface (14), a split shell (16) having a longitudinal slit (18) defining opposed ends (20 and 22) of the shell (16), and being positioned on the outer surface of the mandrel (12) with a minimal gap (24) between the |
| 5740709 |
Two stage continuous web cutting system and method |
April 21, 1998 |
| A web-cutting arrangement uses two-stage cutting to produce a plurality of products from a continuous web (100), while ensuring that the web, and the products (125) cut therefrom, remain continuously guided and undamaged. The arrangement includes a leading cutting structure (170) which p |
| 5738264 |
Automated folder nipping roller adjustment |
April 14, 1998 |
| Web feed apparatus, for example in web printing and folding apparatus, has a pair of opposing rollers, one (28) on a fixed axis and one (22) laterally movable to define an adjustable nip gap between their peripheries. The gap is automatically set and adjusted by a setting screw (4) d |
| 5722323 |
Blanket cylinder throw-off device |
March 3, 1998 |
| An improved throw off device for disengaging adjacent blanket cylinders (12) and (14) from each other and corresponding adjacent plate cylinders (16) and (18) is provided. The device includes pairs of bearing assemblies (28A), (28B), (30A) and (30B) that are mounted on the opposite ends |
| 5707330 |
Folding machine for folding and cutting webs in a rotary printing press |
January 13, 1998 |
| The present invention provides an apparatus for producing at least two 4-page signatures (340) and an apparatus for producing at least one 16-page signature (460). The signatures are produced by folding and cutting sheets cut from a continuous web in a folding machine (500 or 600). T |
| 5695151 |
Printing press assembly with powered paper roll loader |
December 9, 1997 |
| A printing press assembly (10) with a powered paper roll loader (22) having a triangular frame made of a pair of spaced upright triangular frame sections (28) supporting a pair of load chains (36A, 36B) to raise and lower a pair of load hooks (32) and associated eject hooks (34) that |
| 5694974 |
Fluid level detection system for ink in a printing press |
December 9, 1997 |
| A fluid level detection system (50) for ink in a printing press (10) having a vessel (58) having walls (60) defining a chamber (62), an elongated rotatable shaft (64) in the chamber (62), a motor (66) for rotating the shaft (64), an elongated flexible blade (68) affixed to the shaft 64 s |
| 5622113 |
Gripping surface for cutting cylinders in a folding machine |
April 22, 1997 |
| A gripping surface adapted to be mounted on the outer circumferential surfaces of a pair of cutting cylinders 12, 14 in a printing press is provided. The gripping surface includes a plurality of mounting strips 26. Each mounting strip 26 has an upper surface and a lower surface and a |
| 5622110 |
Printing press with dampening liquid spray control apparatus and method |
April 22, 1997 |
| A printing press (10) with a dampener roller (16) and a spray bar assembly (12) for spraying dampening liquid (20) onto the dampener roller is provided with a dampening liquid spray control apparatus (15) including a control member (18) with a diagonal blocking section (40) for blocking |
