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Assignee: Fischer & Krecke GmbH & Co.


Location: Bielefeld, DE
No. of patents: 27

NumberTitleIssue Date
7222568Method for flexographic multi-color printing using anilox rollers having different diameters
A method for flexographic multi-color printing, wherein a print medium web is passed continuously through a flexographic printing press having at least two ink units, each ink unit including a printing cylinder, an anilox roller and an ink sup-ply system adapted to ...
05/29/2007
7114437Method and apparatus for shifting a doctor blade
A method for shifting a doctor blade in its longitudinal direction, the doctor blade being set against a cylinder of a printing machine, wherein the shift movement of the doctor blade is such that, for most of the time of the print operation, the shift velocity of t...
10/03/2006
7114438Printing machine including central impression cylinder
Printing machine having at least one impression cylinder (16), characterised in that the impression cylinder (16) has a cylinder body (44) made of a material which, in circumferential direction of the impression cylinder (16) has a linear...
10/03/2006
7111552Printing machine
Printing machine with a machine frame (10) and at least two cylinders (16, 20) which cooperate during printing, and which are mounted in a framing (12, 14; 24) formed by the machine frame (10). The framing (12, 14; 24) includes a m...
09/26/2006
6915569Method of manufacturing an anilox roller for a flexographic printing press
A method of manufacturing an anilox roller, in particular for a flexographic printing press, the anilox roller comprising a cylindrical core and a sleeve detachably held on the core and having at its surface an anilox layer with a grid pattern of pits, including the...
07/12/2005
6796226Printing method
A method of printing with a rotary printing press having a plurality of printing cylinders that are adapted to be adjusted on and off from a running web, with a length of a printed image being larger than a peripheral length of the largest one of the printing cylind...
09/28/2004
6792858Device for handling printing cylinder sleeves
A device for handling sleeves (20) for cylinders of printing presses, wherein a carrying tube (26) is provided, on which a mounting device (28), engaging these sleeve (20), is disposed for mounting the sleeve in a position, which is align...
09/21/2004
6752077Printing press with a doctor blade device
A printing press with a doctor blade device (24), which has a doctor blade (26), which can be placed against a cylinder (10), wherein the doctor blade (26) is caused to oscillate with a frequency of at least 1 Hz by an oscillator (38
06/22/2004
6739248Seal for chambered doctor blade
A seal for a chambered doctor blade (10) of a printing machine, in the form of a rubber-elastic body, which is inserted at the end of the chambered doctor blade in a seal holder (18) and, with an obliquely applied lip (24), lies against the peri...
05/25/2004
6701838Engraved transfer cylinder for a flexographic printing press
An engraved ink transfer cylinder for a flexographic printing press, wherein the roller body (12) is clamped detachably on a continuous axle (22) and surrounds this axle (22) at a distance....
03/09/2004
6684784Printing machine with block-cleaning device
A cleaning device for cleaning blocks clamped on a rotationally driven printing cylinder of a printing machine, the cleaning device including a rotatable cleaning roller, cleaning organs disposed on a periphery of the cleaning roller and which can be plac...
02/03/2004
6672207Seal for chambered doctor blade
A seal for a chambered doctor blade (10) of a printing machine, in the form of a rubber-elastic body, which is inserted at the end of the chambered doctor blade in a seal holder (18) and lies against the periphery of a roller (12) against which the chambe...
01/06/2004
6647880Flexographic printing press with device for washing the back-pressure cylinder
A flexographic printing press with a back-pressure cylinder (10) and at least one inking unit (12, 14, 16), which has an exchangeable printing cylinder (20), which can be placed against the back-pressure cylinder (10), an engraved ink transfer cylinder (2...
11/18/2003
6644188Method of exchanging a printing cylinder sleeve and printing machine for carrying out the method
A method of exchanging a printing cylinder sleeve in a printing machine, which printing machine comprises a central cylinder and a plurality of ink units adapted to be adjusted against the central cylinder, each ink unit comprising a plate cylinder having a...
11/11/2003
6523470Printing cylinder
A printing cylinder with a cylinder core (10), on which a carbon fiber-containing casing (20) is disposed, wherein the casing (20) is self-supporting and held at a distance from the peripheral surface (18) of the cylinder core (10) by disks (22) disposed ...
02/25/2003
6267056Printing machine
A printing machine with a cylinder sleeve (16), which can be rotationally driven and is supported at both ends with protruding axle journals (18) directly in the machine frame (10, 12), and with a shaft (22), which passes through the cylinder sleeve and c...
07/31/2001
6244406Drive clutch for a pressure cylinder
A drive clutch for connecting a drive shaft (12) with an exchangeable cylinder (10) of a printing machine, such that, at one end of the cylinder (10), a locking part (24) is provided and that, in or on the drive shaft, a spanner (32) is disposed, which ha...
06/12/2001
6220162Method and apparatus for detecting collisions in printing machines
Apparatus for detecting collisions in a printing machine having at least one rotationally driveable rotary body (18; 20) and an actuator (28; 30) for adjusting the rotary body in a direction normal to the axis of rotation, the apparatus including a torque...
04/24/2001
6016748Seal for a chamber doctor blade
A seal for a chamber doctor blade (12) of a printing machine, with a sealing block (30) of a pliable material, which is inserted at one end of the chamber doctor blade between two doctor blades (16, 18) and closes off an inking chamber (20), bounded by th...
01/25/2000
5980441Method and apparatus for producing bags with carrying handles by using a feedback tension control loop
A method for producing bags (12) with carrying handles (48), for which the starting material for the carrying handles is supplied as endless material and at least two carrying handles are affixed to each finished or still unfinished bag, in which the star...
11/09/1999
5913764Method of manufacturing flat-bottom bags with a glued-on bottom lining
A method for manufacturing flat-bottom bags with a glued-in bottom lining includes the steps of applying a contact adhesive, which develops a desired adhesive force only when two surfaces, both of which are coated with the contact adhesive, are pressed ag...
06/22/1999
5832829Printing machine with movable bearing blocks to permit axial removal of cylinder
A printing machine with preferably several inking units, which are disposed on a common back-pressure cylinder (12), with in each case at least one roll body (16, 18), which is held with its two opposite ends in two bearing blocks (22, 24) that can be mov...
11/10/1998
5716136Bag with carrying handles
A bag includes two parallel walls, each with two side edges each; a bottom connected with lower ends of the two walls and which can be folded in a plane of the walls; and two carrying handles, which in each case have two parallel legs and one cross member...
02/10/1998
5706725Flexographic printing press with variable printing length
A flexographic printing press with one or several color printing units (12), which are disposed at the periphery of a common back pressure cylinder (10) and, in each case, have an impression cylinder (14; 14') and an applicator roll (16) and the impressio...
01/13/1998
5638754Apparatus for changing printing cylinder sleeves in printing machines
Apparatus for changing printing cylinder sleeves in printing machines, includes two bearing blocks which serve for the rotatable support of the printing cylinder sleeve during the operation of the printing machine, a shaft running axially through the prin...
06/17/1997
5609556Method and apparatus for manufacturing bags with strap-shaped carrying handles
A method for manufacturing bags (18) with strap shaped handles (16) which provides for the handles to be bonded to the outside faces of the bags by attachment portions (24) at the free ends of their parallel legs, in which assembling and bonding of the ha...
03/11/1997
5517918Doctor blade clamping assembly for a printing press
In a printing press having a chamber body, a doctor blade clamping assembly includes a leaf spring having a plurality of leaves assembled together in overlying relation to each other, the leaves being of different lengths; bolts extending through the leaf...
05/21/1996
 
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