Abstract: An apparatus is provided for producing longitudinally corrugated product. The apparatus includes a guide roll for guiding a web of medium material, wherein at least a portion of the guide roll is adapted to be arranged at an angle relative to another portion of the guide roll. The apparatus further includes a plurality of flute forming bars oriented generally along a longitudinal axis of the web to define a first corrugating labyrinth effective to longitudinally corrugate the web to an intermediate geometry. The apparatus further includes a pair of corrugating rollers that cooperate to define, at a nip therebetween, a second corrugating labyrinth effective to longitudinally corrugate the web to a substantially final geometry. The apparatus further includes a web travel pathway for the web that follows a path around a portion of the guide roll, through the first corrugating labyrinth, and through the second corrugating labyrinth.

Abstract: A converting apparatus operates to transfer a folded absorbent article from a first carrier apparatus to a second carrier apparatus. The converting apparatus includes a transfer apparatus and a guide member located adjacent to the transfer apparatus, forming a gap there between. The transfer apparatus includes a frame that is rotatable about a first axis of rotation and a transfer member that is rotatable about a second axis of rotation. The transfer member defines a receiving surface and the guide member defines a guide surface. The guide surface converges toward the receiving surface. The frame advances the absorbent article in a machine direction through the gap. While advancing absorbent article advances through the gap, the transfer member rotates the absorbent article about the second axis of rotation. The guide member includes side seam tuckers that are adapted to tuck the side seams of the absorbent article.

Abstract: A converting apparatus operates to transfer a folded absorbent article from a first carrier apparatus to a second carrier apparatus. The converting apparatus includes a transfer apparatus and a guide member located adjacent to the transfer apparatus, forming a gap there between. The transfer apparatus includes a frame that is rotatable about a first axis of rotation and a transfer member that is rotatable about a second axis of rotation. The transfer member defines a receiving surface and the guide member defines a guide surface. The guide surface converges toward the receiving surface. The frame advances the absorbent article in a machine direction through the gap. While advancing absorbent article advances through the gap, the transfer member rotates the absorbent article about the second axis of rotation. The guide member includes side seam tuckers that are adapted to tuck the side seams of the absorbent article.

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 web has a series of cut outs that define bridging portions therebetween. A method for folding the web includes providing the web to a first conveyor, folding the web about a folding wheel to define a folded edge that extends through the series of cut outs, transferring the web to a second conveyor having an included angle of 15 to 40 degrees in relation to the first conveyor, folding the web about a folding bar to maintain the folded edge, and spanning at least one cut out with the folding bar and contemporaneously contacting at least two bridge portions with the folding bar to maintain the folded edge of the web about the folding bar as the web passes the folding wheel edge.

Abstract: A sheet folding apparatus, including: a stacker configured to stack a plurality of sheets; a first folding roller configured to rotate around a first axis; a second folding roller configured to rotate around a second axis which is in parallel with the first axis and biased to the first folding roller separably to make a nip together with the first folding roller therebetween; a blade unit configured to push a surface of the plurality of sheets stacked by the stacker, into the nip; a first support configured to support the blade unit and configured to move linearly in a common tangential direction of the first folding roller and the second folding roller at the nip; and a second support configured to support the blade unit, configured to move linearly in the common tangential direction when the blade unit passes a section between where the blade unit starts touching at the plurality of sheets and where the plurality of sheets approaches the nip, and configured to deviate the blade away from the common tangenti

Abstract: A paper folding device having a function of alternately switching a bending direction to carry out folding continuously a plurality of times. The paper folding device comprises first and second pairs of folding roller pairs that bend a paper; a carry roller pair that feeds the paper to the first or second folding roller pair; and a biasing device for switching a direction in which the paper is bent by the first or second folding roller pair. The biasing device brings the paper into contact with one (lower side) folding roller of the folding roller pair on a side where the paper folds, and the paper to be folded is carried and folded. When paper is caused to enter a nip of the left folding roller pair by the left shifting device, tension is applied to the paper by a right shifting device. Thus, the angle at which the paper winds onto upper side folding rollers is adjusted.

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 sheet bending apparatus and a sheet postprocessing apparatus are provided for improving an alignment of recording sheets at the time of center-folding processing. A controller of the center-folding unit mounted in the sheet postprocessing apparatus performs: a first processing of making the upper side end aligning members approach a recording sheet in course of being conveyed into the sheet holding member a predetermined distance shorter than a predetermined approaching distance; a second processing of making the upper side end aligning members approach the recording sheet placed in the sheet holding member a remainder of the approaching distance; and a third processing of making the lower side end aligning members approach the recording sheet placed in the sheet holding member a predetermined approaching distance within a period when the second processing is performed.

Abstract: An apparatus and method for automatically folding a sheet of media, for example, a photographic paper about a fold line, such that an album page is formed. The photosensitive media has images only on one side. A heat activated adhesive sheet is provided between the sides of the photographic paper during folding. The adhesive sheet when exposed to heated and pressure rollers, will cause the sides of the photographic media to be secured to form a single album page.

Abstract: An interfolding apparatus including first and second interfolding rolls. The interfolding rolls issue a stream of web material to form a stack of interfolded web material. A first packer finger is movable with respect to the first interfolding roll and includes a retracted position at least partially received within the first interfolding roll and an extended position at least partially inserted into the stream of interfolded web material. A second packer finger is movable with respect to the first interfolding roll and includes a retracted position at least partially received within the first interfolding roll and an extended position at least partially inserted into the stream of interfolded web material.

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: An apparatus and method for automatically folding a sheet of media, for example, a photographic paper about a fold line, such that a album page is formed. The photosensitive media has images only on one side. A heat activated adhesive sheet is provided between the sides of the photographic paper during folding. The adhesive sheet when exposed to heated and pressure rollers, will cause the sides of the photographic media to be secured to form a single album page.

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: In some embodiments of the present invention, a method and apparatus for folding sheets are disclosed in which single transverse folds are created by vacuum rolls in one operational mode and double transverse folds are created by vacuum rolls in another operational mode. The folder can have a low profile in which the axes of various elements and assemblies in the folder are located within height ranges relative to the height of a folding roll axis in the folder.

Abstract: In a booklet maker or sheet folder wherein one or more sheets are pushed through a nip formed by a pair of crease rolls, a pair of flexible gate members cover the nip while sheets to be folded are being loaded. When the sheets are pushed through the nip, the flexible gate members are displaced, allowing the nip to receive the sheets. Following feeding of the sheets, the flexible gate members spring back to a closed position.

Abstract: A corrugating roll design for a corrugating machine including a pair of parallel, spaced apart, corrugating rolls which rotate in opposite directions on their respective rotational axes, the rotational axes being spaced apart a predetermined distance, and each of the corrugating rolls being formed along its outer peripheral surface with longitudinally extending teeth with tooth tips and tooth roots. Depressions are provided in the tops of the tooth tips of at least one of the corrugating rolls and spaced apart a predetermined distance along the length of the roll. Each of the depressions has a bottom surface which is located to establish a spacing between the bottom surface of the depression and the tooth root of the other corrugating roll at the actual corrugation impression zone in the nip, which spacing is greater than the thickness of the paper medium.

Abstract: An apparatus and method of forming a booklet having product information printed thereon is disclosed. The method may include: (a) providing a profiled sheet of paper having product information printed thereon; (b) applying an adhesive to a sheet of paper having product information printed thereon; (c) folding the profiled sheet after (b) by making a plurality of folds in the profiled sheet; (d) coupling one or more removable tabs together after (b) to maintain a plurality of inner sheet panels in a substantially closed position and/or (e) removing first and second folded edges of an intermediate article after (c).

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: The folder superstructure is provided with a copy diverter for dividing up a product stream of individual copies. The copy diverter includes at least one rotating disc deflector and a tongue, arranged at a location where the product stream branches into two sub-streams. It is assigned at least one first belt conveying apparatus, which is arranged upstream of the tongue, as seen in the direction of the product stream, and at least one second belt conveying apparatus which is arranged in the region of the tongue. The rotating disc deflector has a plurality of disk segments arranged axially one behind the other on a spindle running transversely to the product stream. In order to set different deflecting positions, the disk segments can be fixed in different circumferential positions.

Abstract: In some embodiments of the present invention, a method and apparatus for folding sheets are disclosed in which single transverse folds are created by vacuum rolls in one operational mode and double transverse folds are created by vacuum rolls in another operational mode. The folder can have a low profile in which the axes of various elements and assemblies in the folder are located within height ranges relative to the height of a folding roll axis in the folder.

Abstract: A folder includes a first cutting device for partially cutting a web of material, a former to fold the web of material, so as to form a folded web, a stationary signature opening device located between sides of the passing folded web, and a second cutting device located downstream from the former to cut the folded web into an at least one signature. A related collating device is also provided.

Abstract: A device is provided for folding a material web traveling in a machine direction. The device has a folding portion having a leading edge, a breaking wing attached to the folding portion, the breaking wing having a breaking edge, and a roller rotatably attached to the breaking wing and having a surface and a rotational axis. The rotational axis is along a transverse direction, the transverse direction being substantially perpendicular to the machine direction. The roller is for supporting a roller portion of the material web as the material web is fed to the folding portion, and the breaking wing is for supporting a wing portion of the material web as the material web is fed to the folding portion. The surface of the roller is positioned in the transverse direction at a first angle relative to the rotational axis, the breaking edge of the breaking wing is positioned in the transverse direction at a second angle relative to the rotational axis, and the first angle is different from the second angle.

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 method for folding sheet-like copies, respectively, made up of a plurality of copy layers, whereby open ends and closed folding spines are formed on the copies by folding operations, which comprises forming the folding spine on the inner copy layers of the copy in a manner that the folding spine is interrupted by non-folded sections; a device for performing the method; a folder for performing the method; and a folding copy foldable by the method.

Abstract: A sheet finishing method in which a sheet delivered from an image forming apparatus main body is conveyed and stacked on a sheet placement table, and the stacked sheets are positioned and aligned, and then folded by a folding means composed of a paired folding rollers and a folding plate. The sheet finishing method is controlled such that a rotation motion of the paired folding rollers is switched between a state to be rotated along with an advancing motion of the folding plate and a state to be stopped in accordance with the number of sheets stacked on the sheet placement table.

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: There is disclosed a method and apparatus for making a looped label and accumulating labels in a stack. An intermediate portion of the label is inserted into the nip of a pair of rotating rolls which fold or loop the label into two side-by-side or face-to-face label portions. The looped label is transported between the nip of a pair of pressing rolls which press or iron the label at the fold line while the label is stationary between the rolls to maintain the label in the folded condition. From there the label is passed into a stacker in which successively looped labels are stacked.

Abstract: The side walls of a folder unit are embodied with opposed recesses. Additional processing elements, which enhance the variability of the folder unit, can be introduced into the recesses. It is especially advantageous in the recesses of the side walls of the folder unit to provide a processing element which is supported pivotably and has a delivery roller.

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 machine (1) for interfolding sheet material (4a, 4b) starting from a web (3a, 3b) of paper and the like. A sequence of offset sheets (4a, 4b) is formed on folding rollers (7a, 7b) which are counter-rotating with respect to each other and have a plurality of circumferential grooves (15a, 15b), in which oscillating folding arms engage (20a, 20b) so as to form a stack (17) of interfolded sheets (4a, 4b). The folding arms (20a, 20b) have pivots (21) very close to the periphery of the folding rollers (7a, 7b), inside or outside of the grooves (15a, 15b). Moreover they can be operated by a crank mechanism that allows to the grooves (15a, 15b) to be shallow enough also in case of rollers (7a, 7b) of enlarged diameter. For the same reason, the folding arms (20a, 20b) can have a bent portion.

Abstract: An arrangement for controlling folding processes in roller rotary printing machines comprises a must for producing a fold, a cutter cylinder, and a displacing device which axially displaces the cutting cylinder before and/or during a folding process by a magnitude of a pre-folding.

Abstract: 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 flap. The trailing edge of the signature is transferred to grippers on the folding flap cylinder at a point where the two cylinders are in contact. Operation of the cross-folding device results in reduced folded product damage.

Abstract: A folding jaw cylinder for a printing press has a folding jaw arranged rotatably at the cylinder, a stop for the folding jaw, a rotary body, which can be nonrotatably connected to the cylinder, and whose angular position in relation to the cylinder is adjustable, and a gear mechanism for adjusting a working distance between the folding jaw and the stop by adjusting the angular position between the cylinder and the rotary body. The stop is arranged movably at the cylinder, and is adjusted in relation to the cylinder--during the adjustment of the angular position between the cylinder and the rotary body--by an adjusting arrangement, which is articulated to the rotary body and attached to the stop.

Abstract: A folder (58) of the type having a folding cylinder (16) cooperating with a jaw cylinder (20) to cut and fold a ribbon of paper (14) into a folded product (14') provided with a guide assembly (60) with a guide surface defined by a nonconcentric guide with a convex section (64) and a convex section (74) joined together end-to-end to form a generally S-shaped or approximately cubical parabolic guide surface which conforms to the natural flow shape of the product (14') for minimum interference therewith to reduce the formation of dog-ears.

Abstract: An apparatus for folding hygienic products, especially soft, oblong artic having a small thickness, has a folding tool that is driven by a drive mechanism providing two rotary motions one superimposed on the other and interlinked in such a way that the folding tool applies pressure along an intended fold-line, whereby the article being folded is pushed while being folded in a transport direction. The interlinking of the two superimposed motions assures a quiet, smooth, yet high speed run of the folding tool and its drive mechanism. By pushing the article along its fold-line into a gap or take-up channel, a positive folding of the article is assured, whereby already folded portions are prevented from unfolding again.

Abstract: In a known folding drum of a folding machine for use with a rotary press, a web to be cut on the folding drum is guided and held by a plurality of parallel bands aligned in the axial direction of the folding drum and spanning a gap of the folding drum. Tips of a folding blade project to the outside of the folding drum through the gaps between the respective bands. In the present invention, at least two bands are integrally connected by a respective band mount portion with a plurality of groups of such integrally connected bands being provided. Each band mount portion is mounted to the folding drum via respective adjusting devices such that the expansion of the bands of each group thereof in the circumferential direction of the folding drum can be adjusted. Preferably, each adjusting device includes an adjusting plate engaged with an adjusting rack to which the bands are mounted, and an adjusting shaft.

Abstract: The folding cylinder assembly has: rotatable folding cylinder having three pin lever shaft assemblies spaced substantially equally about the folding cylinder, each of the pin lever shaft assemblies having at least one pin and a cam follower positioned on a first end of the folding cylinder; one piece cam for interfacing with the cam followers, the one piece cam rotationally mounted on the first end of the folding cylinder, the one piece cam having two lobes which periodically contact the cam followers as the cam rotates; mechanism for rotating the folding cylinder and the cam such that the cam and the folding cylinder have a first relative angular velocity for the first mode of operation and second relative velocity for the second mode of operation, wherein in the first mode of operation the folding cylinder rotates at a substantially constant angular velocity and the cam rotates at one and one-half times the substantially constant angular velocity in the same direction of rotation as the folding cylinder, an

Abstract: Sheet folding apparatus comprising half fold rolls folding in half sheet material fed to a delivery fan. Material is stripped from the delivery fan and drops to a conveyor. Multiple belts extending from one of the half fold rolls and past the delivery fan guide and convey material to the delivery fan in a manner minimizing jamming at the delivery fan.

Abstract: The invention relates to apparatus for folding diapers (1) and like articles, in which apparatus the article is advanced to a folding station by a conveyor (2). The folding station includes a driven folding roll (4) which co-acts with a counter roll (9) in a manner to feed the article to at least one driven transport roll (11,12). The transport roll guides the forward end (10) of the article (1) onto the cylindrical surface of a folding roll (16,17) co-acting with the folding roll (4) and intended, in a first folding phase, to be driven in a first transport direction through a given distance up towards the upper part of the folding roll and, during a second folding phase, to be driven in the opposite direction (A) and move the forward part of the article down from the aforementioned upper part.

Abstract: Apparatus for continuously manufacturing surgical sponges from a web of gauze is disclosed. The apparatus cuts the web into discrete pieces, and thereafter folds, irons, stacks and counts the pads as an integrated and automated operation at a high rate of speed.

Abstract: A folding cylinder for a folder capable of collect run and straight run is provided with protrusions of a height corresponding to the thickness of an inside section to be folded on the folder. The protrusions are extended or arranged beyond the corresponding cutting knife receiving members adjacently thereto respectively so that portions of the papers on both sides of a cutting line are pressed firmly against the circumference of the folding cylinder and the top surface of the protrusion of protrusions in a state of tension to allow precise cutting.

Abstract: An improvement in the method and apparatus for folding newspaper in the "collect" mode. Inside and outside web sections are printed with the same number of lines and transferred to a folding cylinder which collects them in overlapping relation. Expanding means incorporated in the body of the cylinder expand its effective radius to permit the trailing edge of the outside section to be cut to a length equal to that of the inside section without recutting the inside section. The collected sections are then passed through second fold rollers for final folding.

Abstract: A method and apparatus for reducing the cutoff length of a duel web folding and cutting assembly. The method comprises steps of reducing the support surface under the working parts of the folding cylinder along the length of a roller which contacts the web such that the working parts may be replaced without modification. Further, the cutting rollers reduced in diameter must be moved closer to the folding cylinder. One method of moving the cutting cylinder is by reboreing the mounting hole for one end of the cutting cylinder on the drive side to enable placement of sleeve having eccentric center holes in each side frame to move the cylinder closer. The other method comprises steps of cutting the driven side of the cutting cylinder support shaft off positioning it in an auxiliary side frame mounted inside of the old side frame and driving cutting cylinder with gears positioned inide of the auxiliary side frame.

Abstract: A method and apparatus for folding sheet stacks in a web-fed rotary printing press is disclosed. The sheet stacks are severed from groups of paper ribbons and are conveyed by suitable conveying cylinders to spaced folding tables. Each folding table is provided with rotating folding blades and cooperating driving folding roller pairs. Each folding table is further provided with a pulse absorber assembly having a plurality of stop rods or bars which are positioned to contact the leading edge of each group of sheet stacks to halt the motion of the stacks on the folding tables. The halted sheet stacks are then folded. A suitable drive assembly for the pulse absorber is also disclosed.

Abstract: A folding mechanism for a printing press comprising a frame of the printing press, a folding cylinder rotatably mounted on said frame, an eccentric member fixedly secured to said frame, said eccentric member having first and second holes formed therein, a sun gear shaft inserted in the first hole of said eccentric member and fixedly secured thereto, said sun gear shaft having a sun gear formed at one end thereof, a gear box rotatably mounted on said sun gear shaft, and a drive shaft rotatably mounted on said frame at one end thereof, the other end of said drive shaft being fixedly secured to said gear box and adapted to rotate together.