| Patent Number |
Title Of Patent |
Date Issued |
| 5950516 |
Device for adjusting a cutting stick for a cutting cylinder of a rotary press |
September 14, 1999 |
| Cutting bars positioned on the peripheral surface of a cutting cylinder are shiftable circumferentially toward or away from each other to vary the lengths of signatures being produced when the folding apparatus is switched between collection and no collection production. The cutting bars |
| 5647949 |
Folder for web-fed printing presses |
July 15, 1997 |
| In a folding apparatus for web-fed rotary printing presses with linear folding units, transverse folding units and a cylinder part it is intended to selectively produce transversely stapled as well as transversely glued products. A receiving unit for interchangeable transverse gluing dev |
| 5640906 |
Short multi-color web-fed rotary printing press |
June 24, 1997 |
| A short, multi-color, web-fed rotary printing press for job printing utilizes a vertical stack of bridge printing units which are supported by horizontally shiftable frame sections. The rubber blanket cylinder of each printing unit is at least twice as large as its associated printing |
| 5630584 |
Device for depositing products |
May 20, 1997 |
| A device for depositing folded products onto a conveyor belt utilizes a paddle wheel to receive the products from a folder. If the paddle wheel becomes overloaded, a guide device that has sheet metal guide plates is shifted away from the paddle wheel. This shifting is initiated autom |
| 5573231 |
Folding apparatus |
November 12, 1996 |
| A folding apparatus for a rotary printing machine utilizes a plurality of belt guide systems to retain signatures against the surfaces of the collecting, folding and gripper cylinders of the folding apparatus. The position of a longitudinal folder or of a turning bar or bars can be s |
| 5547452 |
Method and apparatus for cross-folding signatures |
August 20, 1996 |
| A collecting cylinder and a folding flap cylinder cooperate to form a cross-folding device for signatures in a rotary printing press. The leading edge of each signature is initially retained on the collecting cylinder and is held there after insertion of the cylinder into the folding |
| 5520378 |
Folding apparatus for rotary printing presses |
May 28, 1996 |
| A folding apparatus for rotary printing presses uses at least a single stage speed reducing device between a collection cylinder and a folding blade cylinder to reduce the speed of travel of signatures before they are cross-folded. The reduction in the speed of travel of the signatures |
| 5503069 |
Inking and printing system |
April 2, 1996 |
| An inking and printing system which is usable with fast drying inks uses a housing and a plurality of spray nozzles to apply an ink solvent to the surfaces of printing cylinders after a printing line or contact line. The application of the solvent prevents ink remaining on the printing |
| 5497700 |
Rotogravure inking system |
March 12, 1996 |
| A rotogravure inking system uses an ink trough to apply ink to a printing cylinder that dips into ink in the ink trough. The ink trough has a length less than the length of the printing cylinder. Projecting end portions of the printing cylinder are not supplied with ink from the ink trou |
| 5484379 |
Folder assemby for printing press |
January 16, 1996 |
| A folder for a web-fed rotary printing press includes a cooperating pair of collection and cutting cylinders to sever a paper web into web segments. A belt conveyor system enwraps a portion of the surface of the collection cylinder just before an intake point of the paper ribbon between |
| 5454311 |
Apparatus for compensating for cylinder sag |
October 3, 1995 |
| An apparatus for compensating for cylinder sag in a gravure forme cylinder utilizes a support roller which is located beneath the gravure forme cylinder in an ink trough. The support roller has a length that is less than the length of the gravure forme cylinder. |
| 5447101 |
Printing unit for a rotary printing press |
September 5, 1995 |
| A printing unit for a rotary printing press, and that is capable of accomplishing a flying printing change, uses a single counter-pressure cylinder and two printing cylinders and ink application rollers. The counter-pressure cylinder and the ink application rollers are shiftably supp |
| 5438924 |
Rotogravure inking system |
August 8, 1995 |
| A rotogravure inking system utilizes an inking roller mounted in an ink trough and engageable with a printing cylinder. The inking roller exerts a pressure force on the printing cylinder through the use of torsion bars which are located wholly within the ink trough. A prestress can be ap |
| 5419255 |
Device for forming a printing pattern on a printing sleeve |
May 30, 1995 |
| A device for creating a printing pattern on an endless form sleeve utilizes a pattern forming head that is cooperatively positioned with an outer surface of an endless, sleeve. The sleeve has an inner ply of a ferromagnetic material and is supported in part by a support cylinder whic |
| 5390905 |
Apparatus for cutting and binding multi-layered printed products |
February 21, 1995 |
| A multi-layered printed product is cross cut and stapled by being fed past a gripping and folding blade cylinder and cooperating binding and cutting cylinders. The binding and cutting cylinders have parallel but offset axes of rotation and define envelopes of rotation which intersect eac |
| 5370050 |
Printing cylinder and endless sleeve |
December 6, 1994 |
| A printing cylinder utilizes a magnetic surface to support a portion of a ferro-magnetic endless printing sleeve which has a circumferential length greater than that of the printing cylinder on which it is supported. A sleeve tightening assembly supports that part of the endless sleeve w |
| 5367936 |
Adjustable cutting knife cylinder |
November 29, 1994 |
| An adjustable cutting knife cylinder in a folder has one or more cutting blades or knives supported at the periphery of a cylinder body. Each blade or knife is adjustable both in a radial and in a circumferential direction. Separate adjusting assemblies are utilized to effect the radial |
| 5341733 |
Short inking apparatus for a rotary press |
August 30, 1994 |
| A short inking unit for an offset rotary printing unit that has a dampening fluid system includes at least a first additional pair of rollers. A first roller of this first additional roller pair contacts a forme cylinder and a second roller of this first additional roller pair engages th |
| 5312488 |
Cross gluing cylinder |
May 17, 1994 |
| A cross gluing cylinder has spaced peripheral glue application bars which apply glue to a paper web. The overall circumferential length of the cross gluing cylinder can be changed by shifting the glue application bars and cooperating intermediate cylinder sections radially outwardly or i |
| 5305993 |
Folder and stitcher assembly with first and second stitching cylinders |
April 26, 1994 |
| A folder assembly for a sheet fed printing machine utilizes a collect cylinder that is capable of operating in collect or non-collect modes. A first cross-stitching cylinder and a second cross-stitching cylinder are placed adjacent the collect cylinder. A transfer and jaw cylinder receiv |
| 5287805 |
Folding apparatus |
February 22, 1994 |
| In a folding apparatus with a collect cylinder (1) which can be switched from collect production to non-collect production, the holding elements and folding blades of which are connected with actuating elements, preferably embodied as scanner rollers (14, 15), which can be controlled |
| 5222934 |
Signature conveying assembly |
June 29, 1993 |
| A signature conveying assembly for a longitudinal folder of a web-fed rotary printing press utilizes a horizontally adjustable belt support roll to vary the intensity of the clamping force of the belts against the conveyed signatures and the impact force of the signatures against a stop. |
| 5191836 |
Printing unit for a rotary press |
March 9, 1993 |
| A printing unit for a rotary printing press can accomplish a flying plate change by utilizing a pair of forme cylinders in conjunction with an impression cylinder and an ink forme roller which are both pivotably supported. Both the impression cylinder and the ink roller can be moved |
| 5188030 |
Inking roller for a lithographic printing machine |
February 23, 1993 |
| A roller for a printing machine is formed having oleophilic metal cells and hydrophilic ceramic cross pieces. The ceramic material is applied to the outer surface and is then ground away to again expose the metal. An upper portion of the metal is then removed to leave the elevated hydrop |
| 5123316 |
Method and apparatus for the reduction of paper waste |
June 23, 1992 |
| A method and apparatus for the reduction of paper waste in a web fed printing machine utilizes one or more cutting mark reading heads and a strip cutting register device to vary the path of travel of a stack of part web strips in accordance with deviations in tension of the part web |
