Abstract: A longitudinal folding device for folding symmetrical and asymmetrical paper products has a folding blade and cooperating folding rollers whose positions with respect to each other can be varied. The folding blade or the folding roller pair can be shifted laterally with respect to a longitudinal fold line. In addition, the spacing between the folding rollers can be adjusted in accordance with paper thickness and number of sheets in the product to be folded.

Abstract: A folder apparatus is disclosed which is adapted for use with at least two adjacently arriving webs and having at least one fan wheel. The fan wheel is provided with a number of compartments delimited by guide disks to ensure, that in the case of different processing of the two or more webs, that all of the compartments therefor are used. The fan wheel of the folding apparatus is divided up into a number of laterally adjoining fan wheel sections, which number corresponds to the number of webs to be handled and able to be driven separately from each other by associated drive means.

Abstract: In the context of a printing press inking unit with at least one pitted roll cooperating with two doctor blades offset from each other in the circumferential direction of the pitted roll and preferably carried on a mount so as to define an ink chamber between them into which the pitted roll extends, the wear of the doctor blade removing debris from the pitted roll is reduced if there is a forechamber outside the blade which is upstream in terms of the direction of rotation of the pitted roll, such roll dipping into such forechamber.

Abstract: In the case of a short inking unit with at least one transfer roll in the form of a pitted roll a compact design is made possible together with a reliable and accurate inking effect by the feature that there are at least two doctor blades mutually offset from each other in the peripheral direction of the pitted roll. Both the doctor blades have a negative angle of engagement with the periphery of the roll and delimit an ink chamber in the circumferential direction while the ends of this chamber are shut off by cheekpieces. At the walls of the ink chamber there is at least one supply port to be connected in a pressure-tight manner with an ink supply and at least one overflow port.

Abstract: In a adapted folder for folding sheet products there is provided a combination having two knife cylinders with shear action knives of which one has pins adjacent to its knives for holding cut off trimmings of product, and a suction duct whose opening extends around part of the periphery of the cylinder with the pins. A high degree of operational reliability may be achieved without weakening the structure of the pin cylinder if compressed air nozzles are arranged in a row alternating with the pins and supplied with compressed air by timing means so that air flows from the nozzles when they register with the suction duct opening.

Abstract: In the case of a folder with at least two folding cylinders having cooperating folding members in the form of folding blades and folding jaws and intended for processing products of very different thickness, more reliable operation may be achieved if at least one folding cylinder has circumferential sections which are able to be adjusted in the radial direction.

Abstract: In the case of a folder with two production lines which each have a transverse folding means and a conveyor belt extending therefrom and of which at least one is provided with a longitudinal folding means having an associated conveyor belt running through it for the production of a second longitudinal fold, a high degree of ease of operation and accuracy in production are achieved since in the part between the transverse folding means and the longitudinal folding means the two production lines are connected with each other by at least one belt guide branch bridging over the distance between them and this branch is provided with an intake and a delivery bend roll and which together with the bend rolls is mounted on a pivot lever adapted to rock about an axis parallel to the bend roll.

Abstract: In the context of an ink doctor arrangement with at least one doctor blade which is arranged to be carried on a doctor blade mount more reliable operation with less wear and is made possible by arranging the blade loosely in a slot in the said mount.

Abstract: In the context of an inking unit with at least one pitted roll which is provided with an ink chamber doctor unit whose preferably two doctor blades arranged with a spacing in the peripheral direction of the roll and which delimit an ink chamber between them, the invention makes it possible to use a relatively small amount of ink if a rotatable fountain roll is mounted in the ink chamber to engage the pitted roll.

Abstract: A folder comprising a knife cylinder adapted to be driven at a rate independent of the speed of the web being supplied, a mating cylinder adapted to cooperate with said knife cylinder in cutting a web into sections at a cutting nip and which is provided with grippers for the leading edges of the sections, and a belt conveyor belt trained around a part of the circumference of said mating cylinder following said nip. It is possible to ensure more accurate production and greater reliability if the folder is so designed that it includes at least one of the cylinders delimiting said cutting nip and having suction or blowing ports placed following the cutting means, such ports being adapted for causing a flow of air towards the cylinder having said grippers.

Abstract: A pitted roll for an offset litho press inking unit, more especially as part of a short inking unit, has a dual coating layer of which the inner layer is formed of a material such as copper comprising the application of a high affinity for ink and the outer layer is formed of ceramic material to give lands wiped by a doctor, preferably set at a negative angle, around the pits. A high wear resistance and a high accuracy may be achieved if the plain base member of the roll is coated with copper or the like and then with ceramic material, after which engraving takes place to penetrate the ceramic layer right into the copper or the material with an affinity for ink.

Abstract: A folder, and more particularly an adjustable folder for web feed gravure presses, comprising a collect cylinder able to be set for collect runs and non-collect runs and provided with holding elements (preferably in the form of grippers) and tucking blades having actuating elements preferably in the form of follower rollers which are operated by a respective cam, whose active cam part, which is preferably in the form of a recess, is adapted to be selectively exposed and covered over by means of a covering means, which is coaxial to the cam and is provided with drive cam elements which are mounted on cam element carriers coaxial to the cam and are able to be driven. In order to achieve a high degree of adaptability as regards different types of collect operations the covering cam elements of the covering device are mounted on the cam element carrier in such a manner that they may be radially adjusted.

Abstract: A device for halting sheet products transported by a conveyor belt, comprising an abutment having a conveyor belt passing through it and an adjustable braking device placed ahead of the abutment. By this arrangement it is possible to ensure a high degree of convenience of operation and of reliability if the impact of the products on the abutment is able to be sensed by means of a sensing device and the position of the braking device is able to be corrected in accordance with an output value produced by the sensing device.

Abstract: In the context of an overhead frame for a folder placed transversely on the delivery end of a web-feed printing press comprising a set of adjustable first angle bars running transversely in relation to the direction of feed of the paper web and arranged to cause a change in the direction of ribbons supplied to the folder intake at least during magazine production, and a second, further set of second angle bars offset in relation to the first set of angle bars and which during production using a former for the ribbons deflect the web ribbons to at least one fold former during former production, and draw, register and angle bars it is possible to achieve a simpler design, short paper paths and greater ease of operation if the design is such that second angle bars and bend rolls, which are used as an alternative to the second angle bars extend parallel to the folder intake, are offset in relation to the first angle bars (which are used during forming and magazine production) in the same direction as the folder i

Abstract: A web feed printing press, more especially a rotogravure press, has a longitudinal shaft for driving printing units and a device for driving the web draw rolls. In order to achieve a simpler design without any direct mechanical connected between the draw rolls and the longitudinal while still ensuring accurate drive operation the drive device for the pair of draw rolls comprises a main motor and an auxiliary motor each with an adjustable speed of rotation. A differential drive has two inputs and one output. The speed of rotation of the main motor is varied in a way dependent on the speed of rotation of the longitudinal shaft and the speed of rotation of the auxiliary motor is varied in accordance with the speed of rotation of the longitudinal shaft and of the tension of the web of paper to be printed.

Abstract: In the context of a folder for the production of products having at least one transverse fold and a cut parallel to the transverse fold, comprising a transverse cutting means, at least one transverse folding means and at least one smooth cut means made up of (a) scissors cut knives mounted on a folding cylinder which is provided with folding jaws (which cooperate with the tucker blades of a collect cylinder) in the part between the folding jaws and (b) at least one mating scissors cut knife set towards the peripheral part of the folding cylinder moving from the collect cylinder, the invention seeks to provide for simple resetting of the smooth cut and the possibility of stopping the production of smooth cuts during operation.

Abstract: A method of producing a pitted roll for an offset litho press inking unit, more especially as part of a short inking unit, comprising the application of a dual coating layer of which the inner layer is formed of a material such as copper with a high affinity for ink and the outer layer is formed of ceramic material to give lands wiped by a doctor, preferably set at a negative angle, around the pits. A high wear resistance and a high accuracy may be achieved if the plain base member of the roll is coated with copper or the like and then with ceramic material, after which engraving takes place to penetrate the ceramic layer right into the copper or the like material with an affinity for ink.

Abstract: In a folding apparatus with a transverse cutting and transverse folding unit fed by a first longitudinal folding unit and with a second longitudinal folding unit followed by a delivery unit, simple development and expansion of the folding apparatus step by step is made possible by arranging the transverse cutting and transverse folding unit on a basic frame and arranging the second longitudinal folding unit on a lower additional frame. Furthermore the basic and additional frame are arranged at the same level and are provided with connection structure adjacent to each other and over the connection on the basic frame there is a further connection structure for a superposed frame with transverse and longitudinal forming unit. The additional frame is provided with support surfaces for the superposed frame which has corresponding surfaces.

Abstract: In the context of a guide device for a narrowing gap between the two cylinders of a machine for processing sheet-like products, adapted to cooperate with each other during the transfer of the sheet-like products comprising a rotary member which is rotatably bearinged by means of lateral journals with an axis parallel to the cylinder and has a cylindrical outer surface, and at least one stationary connection member which is laterally adjacent to the said rotary member and has a surface configuration tangentially intersecting with a cylindrical outer surface of the rotary member, and in the case of which the rotary member and each connection member associated therewith are arranged so as to be adjustable in relation to the adjacent cylinders, a greater ease of operation is achieved inasfar as on at least one of the lateral journals of the rotary member, which is able to be moved by means of a setting device along an associated guide running sideways in relation to the axis of the rotary member, there is for eac

Abstract: In the context of a folding device comprising at least one transverse folding part which is supplied and discharged by feed tapes and is in the form of a buckle folder with a buckle passage flanked by two outer rolls cooperating with a center roll with the formation of feed nips, such folder having a set of tapes running through it over the center roll, a greater degree of adaptability to the processing of different products and of possibilities of modification of the feed paths may be ensured if the outer roll on the delivery side may be pivoted away from the center roll so as to open up and render ineffective the delivery feed roll nip and the buckle passage may be shifted so that its inlet is over the inlet-side feed plane of the tape set running over the center roll.