Abstract: A variable cutoff folding device 1 comprising a folding cylinder 40 and a jaw cylinder 50, the folding cylinder 40 comprising: a paper edge holding mechanism 41 configured capable of holding a front edge portion in a conveying direction of an individual sheet FP and capable of changing a timing for releasing holding of the individual sheet FP based on a length in the conveying direction of the individual sheet FP; and a thrust blade mechanism 43 configured capable of thrusting the individual sheet FP to an outer side in a radial direction of the folding cylinder and capable of changing a position in a circumferential direction in the folding cylinder 40 based on the length in the conveying direction of the individual sheet FP.

Abstract: A broadsheet newspaper printing press has at least one print unit printing at least one web of material and a folder. The folder has a cross-cutter to cut the web of material into broadsheet newspapers, a tucker cylinder having a gripper gripping the broadsheet newspapers at a lead edge and a tucking blade for forming a cross-fold in the broadsheet newspapers, and a jaw cylinder or fold rollers to receive the cross-folded broadsheet newspapers from the tucker cylinder at the cross-fold, the gripper being located with respect to the tucking blade so that the cross-fold is located at between 33% and 45% or 55% and 67% of the height of the newspaper.

Abstract: A method for folding signatures is provided. The method includes the steps of forcing a trail edge of a first signature away from a folding cylinder using a signature support, tucking a second signature held by a gripper using a tucker at a first fold location and performing a mode change to tuck a further signature at a second fold location different from the first fold location, the mode change including moving the gripper and the signature support automatically with respect to the tucker. A signature support is also provided.

Abstract: A folder includes a cylinder having a first gripping device receiving a folded edge of a signature and rotating the signature at a first surface speed. A conveyor presses the signature against the outer surface and the conveyor contacts the signatures at a second surface speed slower than the first surface speed. The present invention also provides a method for removing signatures from a cylinder.

Abstract: A folder includes a first cylinder having at least one first gripper for holding signatures and at least one tucker for tucking the signatures to define a first fold, a second cylinder having at least one first jaw for holding the signatures at the first fold, a first motor driving the at least one first gripper, and a second motor separate from the first motor, the second motor driving the at least one tucker of the first cylinder and the at least one first jaw of the second cylinder.

Abstract: A folder has a jaw cylinder and a folding cylinder including a gripper for gripping an edge of a first signature and a tucking blade for tucking the first signature into the jaw cylinder. The folding cylinder includes a signature support supporting a second signature against the jaw cylinder, the signature support and the gripper being movable automatically together with respect to the tucking blade. A transfer cylinder, method and signature support are also provided.

Abstract: An apparatus for cutting and folding printed products is provided. The apparatus includes a perforator, a first cutting device creating first slits in the web, a second cutting device creating second slits in the web longitudinally offset from the first slits so as to form a signature with a staggered edge, and a folder delta-folding the signature so that the staggered edge engages slots in the signature, the slots created by the perforator. A method of folding a printed product and a signature are also provided. Lead edges can be more easily prevented from dislodging and dog-earing and skewing can be minimized.

Abstract: A folding drum and method of operation is disclosed. The folding drum is used for folding material, in particular for a printing press. The folding drum is mounted rotatably on its longitudinal axle. The folding drum has a folding-blade spindle, the longitudinal axle of which is coupled to the longitudinal axle of the folding drum and is spaced apart from the longitudinal axle of the folding drum. Furthermore, the folding drum comprises a force generation means for generating a relief force which is opposed to a centrifugal force which is generated in the case of a rotating folding drum by the co-rotating folding-blade spindle. Thus, the disadvantageous influence of the centrifugal force can be reduced. As a result, in particular, a mounting of the folding-blade spindle can be relieved. The wear of the mounting can be reduced and its service life can be increased.

Abstract: A folding device capable of folding signatures and includes a blade cylinder, which is provided with at least one blade; a counter-pressure cylinder, which is provided with at least two counter-pressure elements which together define an axial gap; and a conveying element which is capable of conveying a signature, and which extends in the axial gap. The blade extends over the axial gap and the conveying element extends in the axial gap with spacing from the blade when the blade co-operates with the counter-pressure elements.

Abstract: In the drive for cylinders of a rotary press which operate together, one of the cylinders includes a pair of cylinder segments which can be driven and rotated independently of one another by respective electric motors. The further cylinder is driven by a dedicated electric motor.

Abstract: A folding apparatus includes a folding blade cylinder that carries at least one group of identical tools which are distributed homogeneously about the periphery of the folding blade cylinder. A cam plate is traced or followed by a control lever of each such group of tools and is usable to control a working movement of the tool. A cover disk, consisting of a plurality of cover cams, can be rotated. The cover cams of the cover disk are displaceable between an inactive position, in which they enable the control of the working movement by the cam plate, and an active position in which they prevent such movement. Two groups of tools are used on the folding blade cylinder and the cover cams form a first group of cams at an angular distance of between 60° or 120° to each other, and a second group of cams at an angular distance of between 90° to 180° to each other.

Abstract: A cylinder, having a cylindrical body which is rotatable about a cylinder axis of rotation, is usable to process flat material. At least one group of a plurality of tools are distributed around the periphery of the cylinder body in a homogeneous manner. These tools are able to perform a working movement with respect to the cylindrical body and are coupled to a control device which effects that working movement. A first cam plate is traced by the control device of each tool group. A rotatable cover disk is also traced by the control device of each tool group. The cover plate is rotatable and is coupled, for its rotation, to the rotation of the cylinder. The cam plate has a peripheral section that controls the tool working movement, in cooperation with the control device.

Abstract: An adjusting apparatus and method for a folding-unit cylinder is disclosed. The apparatus includes a linkage which can be set longitudinally by an adjusting drive which is arranged in the folding-unit cylinder. An adjusting member is articulated on the output side of the linkage and is mounted so as to be rotatable about the axis of the folding-unit cylinder and actuates the members which guide folded products.

Abstract: A puncture or gripper cylinder is provided with at least one puncture strip that is provided with gripper pins or point needles. These pins are extendable from the cylinder to puncture and to grip a signature. At least one deflector is carried on the puncture cylinder and is extendable and retractable with respect to a surface of the cylinder. The deflector, when it is extended at least temporarily shields the signature from subsequent pins.

Abstract: A device for conveying signatures from a gripper cylinder to a folding cylinder comprises, in a free gap formed between the two cylinders, a supporting element supporting a plate which can be pivoted about a fulcrum, the plate rotatably supporting a signature guiding body having an oval cross-section and extending through the width of the cylinders, the body being covered, on a side thereof facing the cylinders, by a low friction web.

Abstract: A cutting device is used to accomplish the transverse cutting of at last one material web. The cutting device includes a transport cylinder that is arranged to form a first cutting gap in cooperation with a first transverse cutting device. The transport cylinder is also arranged with a second transverse cutting device to form a second cutting gap.

Abstract: A folding machine includes a first folding roll with a series of the gripper assemblies and a series of tucker assemblies uniformly and alternately spaced to interact with a series of gripper and tucker assemblies of an adjacent second folding roll. The series of alternately spaced gripper and tucker assemblies interact to grip, carry, and release material in a manner so as to generate a folded stack of material, such as sheet material. Each of the gripper assemblies generally includes a rotatable blade, a shaft configured to rotate the blade, a spacer disposed between the blade and the shaft, and a bolt coupling the blade and the spacer to the shaft. A housing is configured with seals to retain lubricated bearings to provide rotation of the shaft of the gripper assembly and to prevent contamination of the bearings.

Abstract: A transport or conveying device is used in a folding apparatus for transporting or conveying signatures. A transport or conveying cylinder, which carries the signatures, is placed in cooperative engagement with another cylinder. A position of a terminal end of a signature carried on the transport or conveying cylinder can be altered. The other cylinder that cooperates with the transport or conveying cylinder includes devices that press on the signature and that displace the end of the signature.

Abstract: A parallel folding device includes: a folding cylinder which transfers a signature; a first jaw cylinder having gripper boards; an upper second jaw cylinder in contact with the first jaw cylinder and having grippers; a lower second jaw cylinder in contact with and the first jaw cylinder and having grippers; and a cam mechanism, which switches delivery channels between a channel in which the signature is transferred from the gripper boards of the first jaw cylinder to only the grippers of any one of the upper and lower second jaw cylinders, and in which the signature is transferred to the grippers of the upper second jaw cylinder and the grippers of the lower second jaw cylinder; and a channel which concurrently performs the changing of phases for causing the respective gripper boards to operate, from the first jaw cylinder to the upper second jaw cylinder and/or the lower jaw cylinder.

Abstract: A folding apparatus of a rotary press which can select collect run or straight run comprises: a fixed pin cam 2 which performs operations of straight run and collect run; a correction pin cam 3 which stops in case of straight run, and protrudes/retracts a pin end portion with respect to an outer periphery of a folding cylinder once per two rotations of a folding cylinder 12 in case of collect run; a blade cam 4 which thrusts a blade of each blade device 16 into a jaw device 17 once per rotation of the folding cylinder in case of straight run, and thrusts the same into the jaw device 17 once per two rotations of the folding cylinder in case of collect run; switching means 62 for switching between a drive side connection and a stop side connection of the correction pin cam and the blade cam; and detecting means 61 for detecting a start-up timing of the switching means.

Abstract: A folding appliance includes a rotatable folding blade cylinder for transporting a signature to be folded, and at least one folding blade that can rotated about a first axle inside the folding blade cylinder. That first axle is held on a carrier which, in turn, can be rotated about a second axle. The folding blade can extend out of the folding blade cylinder during the course of rotation of the folding blade cylinder. The carrier and the folding blade cylinder can be phase-displaced in relation to each other.

Abstract: A parallel folding apparatus of a folding machine comprises a first cylinder in contact with a second cylinder. A guide plate guides a signature transported on the lower circumferential surface of the second cylinder after being double-folded by grippers of the second cylinder in cooperation with knives of the first cylinder. The guide plate comprises a stationary guide located downstream, in the rotating direction, of the point of contact between the first cylinder and the second cylinder and disposed continuously along the circumferential surfaces of the first cylinder and the second cylinder, and a moving guide movable in accordance with the operating speed of the folding machine between a position, closer to the circumferential surface of the first cylinder than the stationary guide, and a position, more remote from the circumferential surface of the first cylinder than the stationary guide.

Abstract: A folding gear is comprised of a cylinder that is mounted to a frame for rotation. At least one clamp is arranged on the outer surface of the cylinder. The at least one clamp can be positioned by an actuator which includes a flexible toothed shell that is shaped by a non-circular section of a shaft. A hollow gear engages this flexible shell and cooperates with it to form a harmonic drive gear.

Abstract: A folding cylinder includes a plurality of gripping devices supported on a first rotatable support with a first gripping device for holding a signature on the cylinder. A plurality of tucking devices are supported on a second rotatable support, the tucking devices including a first tucking device and a second tucking device. The first gripping device is located circumferentially between the first tucking device and second tucking device and a cover fixed to the second rotatable support extends circumferentially over the first gripping device between the first tucking device and the second tucking device. The cover has at least one aperture, with the first gripping device capable of extending through the at least one aperture. With the folding cylinder of the invention gaps between the tucking and gripping spiders can be eliminated.

Abstract: A cutting device is used to accomplish the transverse cutting of at least a first material web. The cutting device includes a cutting cylinder and a first counter cylinder. These two cylinders rotate cooperatively and define a first gap through what a first transport path for the first web runs. The cutting cylinder has at least one cutting blade, that cuts a product off the web passing through the gap. The cutting cylinder also has a holding device for holding a cut product and for transporting it through the gap. The counter cylinder comprises a thrust bearing cooperating with the cutting blade.

Abstract: A folder includes a first cylinder having at least one first gripper for holding signatures and at least one tucker for tucking the signatures to define a first fold, a second cylinder having at least one first jaw for holding the signatures at the first fold, a first motor driving the at least one first gripper, and a second motor separate from the first motor, the second motor driving the at least one tucker of the first cylinder and the at least one first jaw of the second cylinder.

Abstract: A folding apparatus utilizes a primary drive motor, at least one cylinder that is driven for rotation by the primary drive motor, and a pair of folding rollers. The folding rollers can be driven for rotation by an auxiliary motor. The folding rollers can be coupled to the rotation of the cylinder by a differential drive that includes three drive take-off members. One of these is connected to each of the cylinder, the auxiliary motor, and the folding rollers.

Abstract: A folding cylinder includes a frame having a work-side support and a gear-side support, at least one expansion segment for providing an effective diameter of the cylinder, the expansion segment being located between the work-side support and the gear-side support and spaced apart from at least one of the work-side support and the gear-side support, and an actuating device for contacting the at least one expansion segment and setting the effective diameter.

Abstract: A folding cylinder includes a plurality of gripping devices supported on a first rotatable support with a first gripping device for holding a signature on the cylinder. A plurality of tucking devices are supported on a second rotatable support, the tucking devices including a first tucking device and a second tucking device. The first gripping device is located circumferentially between the first tucking device and second tucking device and a cover fixed to the second rotatable support extends circumferentially over the first gripping device between the first tucking device and the second tucking device. The cover has at least one aperture, with the first gripping device capable of extending through the at least one aperture. With the folding cylinder of the invention gaps between the tucking and gripping spiders can be eliminated.

Abstract: A folding device for use with a rotary printing press includes a folding-jaw cylinder and a folding blade cylinder. The folding blade cylinder is movable with respect to the folding-jaw cylinder between a working position where it cooperates with the folding-jaw cylinder and a rest position where it is moved away from the folding-jaw cylinder.

Abstract: A folding cylinder includes a plurality of gripping devices supported on a first rotatable support with a first gripping device for holding a signature on the cylinder. A plurality of tucking devices are supported on a second rotatable support, the tucking devices including a first tucking device and a second tucking device. The first gripping device is located circumferentially between the first tucking device and second tucking device and a cover fixed to the second rotatable support extends circumferentially over the first gripping device between the first tucking device and the second tucking device. The cover has at least one aperture, with the first gripping device capable of extending through the at least one aperture. With the folding cylinder of the invention gaps between the tucking and gripping spiders can be eliminated.

Abstract: A folder includes a first cylinder having at least one first gripper for holding signatures and at least one tucker for tucking the signatures to define a first fold, a second cylinder having at least one first jaw for holding the signatures at the first fold, a first motor driving the at least one first gripper, and a second motor separate from the first motor, the second motor driving the at least one tucker of the first cylinder and the at least one first jaw of the second cylinder.

Abstract: A folding apparatus (1) in a web-fed rotary printing press for folding signatures (2) which are cut off from a running web of material (6) by a cutting device (40) and carried on a signature transport surface (10) of a folding blade cylinder with the aid of at least one rotating band-shaped conveying element (12, 22, 36, 38) has the feature that the cutting device (4) includes a cutting blade (14) arranged on the folding blade cylinder (8) as well as a rotating anvil element (16) which interacts with the cutting blade; the band-shaped conveying element (12, 22, 36, 38) being passed around the rotating anvil element (16) in such a manner that the band-shaped conveying element acts as a supporting element for the cutting blade (14) during the cutting of the signatures (2).

Abstract: A jaw cylinder in a jaw folder is provided. A first base (1) includes a stationary member (11) in a jaw mechanism. A second base (2) includes a swing member (21) having a jaw portion accessible to the jaw portion of the stationary member (11). A third base (3) has end axes (31a, 31b) at both ends and is rotatably supported by the end axes (31a, 31b) on a pair of opposite frames (Fa, Fb). The first (1) and second (2) bases are rotatably located on the third base (3) about the rotational centerline of the third base (3) relative to the third base (3). The first (1), second (2) and third (3) bases synchronously rotate to move the swing member (21) close to and apart from the stationary member (11) to grip a print therebetween. A jaw clearance adjusting mechanism (4) turns the first (1) and second (2) bases about the rotational centerline of the third base (3) in opposite directions to adjust a gap between the jaw portions of the stationary (11) and swing (21) members in the jaw mechanism.

Abstract: A folding device for use with a rotary printing press includes a folding-jaw cylinder and a folding blade cylinder. The folding blade cylinder is movable with respect to the folding-jaw cylinder between a working position where it cooperates with the folding-jaw cylinder and a rest position where it is moved away from the folding-jaw cylinder.

Abstract: Problems exist such as the presence of a narrow gap when the vicinity of a spliced joint of paper webs is passed between an outer surface of a roller and an outer surface of a folding cylinder. Paper blockages due to increased thickness are therefore likely to arise, making it easy for the paper web to become torn. This in turn damages the paper, and machine stoppages are also increased.

Abstract: A folding jaw arrangement (11) at a lateral surface (9) of a product-carrying cylinder (10) in folding apparatuses. The folding jaw arrangement (11) includes a stationary folding jaw part (13) and a movable folding jaw part (14). Formed therebetween is a gap (12) into which a folding means (5) of further cylinder (4) co-operating with the product-carrying cylinder (10) plunges during the cross-folding of products. In the process, the product to be cross-folded passes from the further cylinder (4) to the lateral surface (9) of the product-carrying cylinder (10) and is held thereon by the folding jaws (11). The movable folding jaw part (14; 29, 40) is provided with resilient regions (20, 27) via which the product is brought into and held in contact (15) with the stationary folding jaw part (13) of the folding jaw arrangement (11).

Abstract: A printed paper web is cut into sections by a cutting cylinder while traveling on a folding cylinder, and each paper section has its midpart subsequently pushed off the folding cylinder into a jaw cavity in a jaw cylinder thereby to be folded into a signature. The jaw cavity has mounted therein a series of spaced-apart movable jaw parts jointly movable into and out of paper section-folding engagement with a series of spaced-apart fixed jaw parts. The folding cylinder has a retractable folding blade mounted thereto for pushing each paper section into space between the series of fixed and movable jaw parts. Fabricated from sheet metal, the folding blade has a series of discrete folding blade parts each having a portion that is situated out of register with both of the fixed and the movable jaw parts or with the image area of the paper section and which is thicker than the rest of the folding blade part.

Abstract: A jaw device for rotary-press folding section provided on a jaw cylinder in which the a continuous paper web guided in between a cutting cylinder and a folding cylinder is guided along the outer periphery of the folding cylinder, with the leading edge thereof held by a holding mechanism provided on the folding cylinder and wound around the outer periphery of the folding cylinder by the rotation of the folding cylinder, cut to a predetermined length with a cutting mechanism; the cut paper sheet being guided to an appropriate position along the outer periphery of the folding cylinder; the leading edge of the cut sheet being released from the held state and caused to protrude into the jaw cylinder with an insertion blade, thereby the cut sheet being folded by gripping the insertion blade and the cut sheet caused to protrude by the insertion blade; the folding section jaw device comprising an opening provided on the outer periphery of the jaw cylinder in parallel with the axial line, and a jaw proper comprising a

Abstract: The present invention is related to a paper conducting cylinder (8) of a folder assembly (1). A cylinder surface (18) has a plurality of counterparts (23) for cooperation with cutting elements of a cutting cylinder (3). Product seizing element (24) being assigned to said paper conducting cylinder circumference (18) are located adjacent to said counterpart (23) and said cylinders (8) surface (18). Said product seizing element (24) perform an extending movement about a first pivot point (25) and a seizing movement about a further pivot point (26).

Abstract: A jaw cylinder has sets of fixed and movable jaws arranged at circumferential spacings thereon for folding the printed sheets into signatures as the sheets are thrust into the jaw cavities by folding blades on a folding cylinder. The movable jaws are mounted fast on respective jaw carrier shafts for pivotal motion into and out of engagement with the fixed jaws. For such pivotal motion of the movable jaws, the jaw carrier shafts are engaged via cam followers with a jaw drive cam of annular shape mounted to the frame, so that the movable jaws successively pivot toward and away from the fixed jaws upon rotation of the jaw cylinder. A timing screw acts between the jaw drive cam and the frame to cause angular displacement of the former relative to the latter about the axis of the jaw cylinder, in order to time the opening and closing of all the sets of jaws to the thrusting of the sheets off the surface of the folding cylinder by the folding blades.

Abstract: A device for cutting a web of material into signatures and folding the signatures comprising a first set of movable elements and a second set of movable elements, the web moving between the first and second sets of movable elements in a signature formation area. The first set of movable elements includes a first cutting element and a second cutting element variably-spacable with respect to the first cutting element and the second set of movable elements includes a first gripping element for interacting with the first cutting element and a first tucking element variably-spacable with respect to the first gripping element.

Abstract: Multi-section print material, such as a newspaper, is folded so as to enable inserts to placed at any location or at multiple locations within the half fold. Several sections are stacked onto one another with one of the signatures offset in the transport direction by a given amount. When the stack is subsequently half-folded, the protruding signature forms a lap which enables an insertion device to automatically insert at the lap position. The system may be operated in straight operation or collect operation. In one embodiment, the sections are transported in two web paths where they are cut into signatures. One of the web paths is delayed so that its signature arrives at the half fold gripper or pin cylinder slightly later than the signature from the other web path. The subsequently formed half fold has the trailing edge of the later-arriving signature protruding by a given lap amount that enables the downline inserter to insert at that position.

Abstract: The present invention is directed to an outside diameter adjuster for a folding cylinder. The folding cylinder rotates about an axis and has a basic body having a columnar outer circumferential face, where an outer circumferential member forms one portion of the outer circumferential face of the basic body and is movable in a radial direction of the basic body by the angular displacement of an eccentric portion. The eccentric portion is angularly displaced by gears to which it is connected. These gears are connected to other gears, some of which are helical gears, that are configured to rotate and/or axially move in a manner such that the angular displacement of the eccentric portion can be totally controlled by the movement of the gears while the folding cylinder rotates.

Abstract: 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 which are then temporarily held on the folding cylinder. A folding blade extends from the folding cylinder to initiate a fold in each signature and direct each signature to either the jaw mode assembly or the rotary mode assembly. The timing of the folding blade is coordinated and adjusted using an indexable spider assembly to feed either the jaw mode assembly or the rotary mode assembly.

Abstract: A folding apparatus is used to cross-fold printed matter, particularly of variable section lengths. Damage to the printed products is avoided, even at high production speeds. This is accomplished by providing a signature divider after a transverse cutting device, and before two parallel cross-folding devices. The signatures divider alternatingly direct the signatures into two product flow paths. Each product flow path acts as a deceleration line so that the signatures are delivered to the cross-folding devices at half of their original speed.

Abstract: The present invention relates to a folder apparatus including a first cylinder for transporting a product and a folding cylinder rotatably engaged with the first cylinder at a nip. A product guiding device is assigned to a transition area between surfaces of the first cylinder and the folding cylinder, the guiding device having a smoothing element which includes different sections of product contacting elements being angled in opposite directions.

Abstract: Point needles in a collecting cylinder are driven in a two stage extension process to initially needle or pierce the leading edge of a product web being cut. Once the cut has been made, the needle tips are moved further radially outwardly from the cylinder to secure the cut edge. As the signatures are transferred to a folding cylinder, the needle points are retracted along a single stage retraction curve which is different from the path traveled during the two stage extension process.

Abstract: A tearing-off roller pair, for tearing off sections or strips divided by perforation cuts from a material web, consists of a first roller with a substantially smooth steel shell and, applied against it, a second roller with a resilient body set into it for increasing the contact pressure, which resilient body projects above its peripheral surface in its unstressed state. To allow a greater retaining force to be exerted on the sections to be torn off, several of the resilient bodies are set in a recess along a cylindrical surface of the second roller.

Abstract: A paper folding assembly (15) with a plurality of rotatable rollers (18) including a cutting cylinder (60) with a cutting cylinder body (76) mounted for rotation with a rotary drive shaft (66) and having cutting members (84A, 84B) for cutting a paper ribbon (19) into individual paper sheets (24) and folding members (82A, 82B) for creasing the individual sheets (24) into a rotatable jaw cylinder (50) to create a lap (20) between opposed edges (22, 23), a cutting cylinder lap adjustment apparatus (70) with an end plate (62) secured to the folding members (82A, 82B) and mounted to the rotary drive shaft (66) adjacent an end (72) of the cutting cylinder body (76), a plurality of cutting members (84A, 84B) secured to the cutting cylinder body (76) which is mounted for rotary movement around the rotary drive shaft (66) and an adjusting member (90) connected to the cutting cylinder body (76) to move the cutting members (84A, 84B) at different selected angular positions relative to the rotary drive shaft (66) to chan