Abstract: A sheet processing apparatus is configured to press a fold line that is formed on a sheet. The sheet processing apparatus includes: a sheet supporting unit configured to support the sheet in a pressing direction for pressing the fold line; a pressing unit configured to press the fold line that is formed on the sheet that is supported by the sheet supporting unit; and a pressing-force generating unit configured to generate a pressing force for pressing the sheet supporting unit against the pressing unit at a central part in a direction along which the fold line is formed.

Abstract: Systems and methods for folding and stacking fanfold corrugated board material. A system may include a rotatable member (e.g., a wheel) having a number of head pieces disposed thereon. Each head piece has a vacuum setting that can be used to pick up a portion of a length of fanfold and hold it while the rotatable member rotates around its axis and a second blower setting that blows the portion of the length of fanfold that was picked up and rotated around the rotatable member down onto a stack of fanfold. Such a system is capable of forming regular and consistent stacks of fanfold material efficiently and cost effectively without the need for significant human intervention.

Abstract: Suction roller structure for the pneumatic transport of sheets inside an interfolding unit, comprising a suction source, an external roller (3) rotating with respect to the cylinder (1) and provided with longitudinal rows of bores (4) angularly spaced and selectively communicating with said internal cavity (2) during the angular rotation of the roller (3), a distribution of pneumatic valves (5) that are normally closed, inserted between said internal cavity (2) and at least one bore (4), cam means (6) operatively associated with the rotation of the roller (3) and arranged to open one or more of said valves (5) at one or more angular positions taken by the roller (3).

Abstract: A sheet processing apparatus is configured to press a fold line that is formed on a sheet. The sheet processing apparatus includes: a sheet supporting unit configured to support the sheet in a pressing direction for pressing the fold line; a pressing unit configured to press the fold line that is formed on the sheet that is supported by the sheet supporting unit; and a pressing-force generating unit configured to generate a pressing force for pressing the sheet supporting unit against the pressing unit at a central part in a direction along which the fold line is formed.

Abstract: A folding processing device includes a pressing section that includes a first opposing member and a second opposing member, the first opposing member opposing a folded portion of a folded sheet, the second opposing member opposing the first opposing member with the folded portion interposed therebetween, the pressing section pressing the folded portion by nipping the folded portion by using the first opposing member and the second opposing member; and a guiding section that is disposed upstream from the pressing section in a sheet transport direction, the guiding section nipping the sheet whose folded portion has passed through the guiding section and guiding the sheet to the pressing section.

Abstract: According to aspects illustrated herein, a system, a printmaking device, and a method for pre-curling and registering media are provided herein. The system includes a media curler system and a deskew mechanism. The media curler system pre-curls at least one of lead edge and a trail edge of a sheet before delivery to a media hold-down transport. The deskew mechanism is coupled to the media curler system for pivoting the media curler system about a pivot axis to deskew the sheet. The pivot axis extends perpendicular to the media transport path. In operation, as the lead edge enters the pre-curling and registration system, the media curler system pre-curls the sheet towards the media hold-down transport. As the sheet is being pre-curled, the deskew mechanism pivots the media curler system about the pivot axis to correct any skew errors in the sheet.

Abstract: Aspects of the present disclosure involve methods and apparatuses for folding absorbent articles.

Abstract: A sheet processing device comprising: a pressing unit that presses a fold line part of a folded sheet bundle; and a moving unit that moves a pressing position of the pressing unit in a fold direction of the folded sheet bundle, wherein the pressing unit includes a pair of pressing rollers that holds the folded sheet bundle therebetween, and the pair of pressing rollers changes an angle ? between a thickness direction of the folded sheet bundle and a line connecting the rotational centers of the pressing rollers in the middle of movement.

Abstract: Disclosed is a sheet folding apparatus which performs a first folding and a second folding on one or a plurality of sheets including a first roller which is one of rollers that form a first nip which performs the first folding, a second roller which forms the first nip with the first roller, a third roller which forms a second nip with the second roller which performs the second folding, a roller drive unit which operates the first, second and third rollers, a first pushing member which pushes a sheet in the first nip, a first push drive unit which operates the first pushing member, a second pushing member which pushes the sheet in the second nip, a second push drive unit which operates the second pushing member, and a control unit which controls the roller driver unit, the first push drive unit and the second push drive unit.

Abstract: A folding machine for folding sheet material into microfolds. The folding machine has a first series of rollers that imparts longitudinal folds to the material. The machine has a second series of rollers where each succeeding roller has double the tessellations as the roller immediately before it. Moreover, the tessellation height of the second series diminishes by half which each succeeding roller. Material leaving the second series of rollers is then fed into a final set of rollers. The final set of rollers imparts a pattern geometry to the folded sheet material.

Abstract: A printing medium finishing unit including a plurality of pressing modules each configured to deform rear ends of folded printing media into a different shape by pressing the rear ends and an image forming apparatus having the same.

Abstract: A blank of sheet material for forming a polygonal container is provided. The blank includes a bottom panel, two opposing side panels each extending from a side edge of the bottom panel, two opposing end panels each extending from an end edge of the bottom panel, and a reinforcing panel assembly extending from a first side edge of a first side panel of the two side panels. The reinforcing panel assembly includes a corner panel extending from the first side edge of the first side panel, a first reinforcing end panel extending from a side edge of the corner panel, a second reinforcing end panel extending from a side edge of the first reinforcing end panel, an inner reinforcing corner panel extending from a side edge of the second reinforcing end panel, and an inner side panel extending from a side edge of the inner reinforcing corner panel.

Abstract: A folding device (100) for folding a paper web (102) in the longitudinal direction includes a first rolling device (104) adapted to receiving the paper web from a supplying device (110). A fold-creating means (106) is adapted to create at least one fold along the paper web. A fold-pressing means (108) is adapted to press together portions of the paper web which are separated by the fold. A second rolling device (109) is adapted to receive and guide the folded paper web out from the folding device to a receiving device (112). At least a first and a second motor (114, 116) are connected to a control unit and are adapted to drive the paper web through the folding device and to maintain a predetermined tension in the paper web.

Abstract: A method of folding a plurality of flexible elements about a central fluid storage element includes of urging an intravaginal device into a folding device; imparting relative rotation between at least a portion of the folding device and the intravaginal device; and contacting the plurality of flexible extensions with the folding device. Wherein the intravaginal device includes a fluid storage element and a plurality of flexible extensions extending therefrom, and the flexible extensions are folded about the fluid storage element in a uniform direction. Alternatively, in place of relative rotation, the flexible extensions are folded by means of guide rails of the folding device. Several apparatus may be employed in this and related methods.

Abstract: A processing roll having rotatable outer tube mounted on a non-rotatable inner tube by a fluid valving arrangement, is provided. The fluid valving arrangement provides angularly controlled transfer of fluid between a cavity on the inside of the inner tube and ports distributed longitudinally along an outer surface of the outer tube, while also providing distributed bearing support of either the outer tube on the inner tube, or the inner tube on the outer tube, at a plurality of locations along a longitudinal axis of the processing roll.

Abstract: A sheet folding device includes: a sheet receiving unit with a pair of guide plates to restrict opposite sides of one or a plurality of stacked sheets and a striking portion to be struck by leading ends of the introduced sheets; a roller group to introduce the sheets into the sheet receiving unit, strike the introduced sheets on the striking portion to form a bent portion on the sheets, and nip and fold the formed bent portion and discharge the sheets from the sheet receiving unit; and a curve forming unit to form a curved portion on the sheets, at a position closer to the leading ends of the sheets than a position where the bent portion to be folded by the roller group is formed, the curved portion being curved in a width direction perpendicular to a direction of transfer of the sheets.

Abstract: A detachable assembly having multiple adjustable components is provided for folding various materials, such as a sheet of disposable wipes. In one embodiment, the assembly includes an attachment bracket configured to detachably connect the assembly to a structural member, a roller, a feeder plate having a return flange, and a folding bracket. In another embodiment, the assembly includes a mounting bracket having at least one hook configured to detachably receive the attachment bracket. In a further embodiment, the feeder plate is formed from two tapered halves which are slideably connected. In use, a material is a fed over the roller, down along the feeder plate, and then forward along the return flange where the folding bracket folds the material inward over the return flange. The user may adjust the position of the feeder plate and the folding bracket to achieve the desired fold width in the material.

Abstract: A sheet processing apparatus includes: a first pair of conveying members that convey a sheet; a second pair of conveying members that receive the sheet conveyed by the first pair of the conveying members and further conveys the sheet to a subsequent stage; and a third pair of conveying members that fold the sheet by rotating the second pair of the conveying members in a reverse direction while the sheet is held by the first pair of the conveying members and the second pair of the conveying members. One of the conveying members of the second pair serves as one of the conveying members of the third pair.

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 first folding portion includes: a first folding roller pair consisting of a common roller and a first roller; and a blade member that feeds a sheet to a first nip, thereby forming a first fold on the sheet in the first nip. A second folding portion includes a second folding roller pair consisting of the common roller and a second roller, thereby forming a second fold on the sheet in a second nip. The common roller and the first roller are parallel in a conveying direction in a case where the sheet is guided toward the first folding portion. The blade member moves in a direction that is substantially orthogonal to a conveyance surface. The common roller is disposed on an upstream side of the first roller in the sheet conveying direction.

Abstract: An apparatus for folding of print sheets includes a compressed air device that comprises at least two segments with respectively at least one exit opening having a cross-sectional surface and directed toward a folding gap of two folding rollers. Each segment is connected to a compressed air source and a control unit, includes at least one control element and is embodied to be activated separately with compressed air.

Abstract: A detachable assembly having multiple adjustable components is provided for folding various materials, such as a sheet of disposable wipes. In one embodiment, the assembly includes an attachment bracket configured to detachably connect the assembly to a structural member, a roller, a feeder plate having a return flange, and a folding bracket. In another embodiment, the assembly includes a mounting bracket having at least one hook configured to detachably receive the attachment bracket. In a further embodiment, the feeder plate is formed from two tapered halves which are slideably connected. In use, a material is a fed over the roller, down along the feeder plate, and then forward along the return flange where the folding bracket folds the material inward over the return flange. The user may adjust the position of the feeder plate and the folding bracket to achieve the desired fold width in the material.

Abstract: A paper folding device (1) adapted to be attached to a digit of a hand comprises a rotatable member (5) attached to the body (2) of the device via a rotatable attachment means (7), whereby the rotatable member (5) rotates in relation to the body (2). The rotatable member (5), in use, is rolled along a fold of pulp based material and communicates pressure from the device (1) to the pulp based material to form a creased line.

Abstract: An apparatus for folding products has a conveying member configured to hold a first portion and a second portion of the product and to release the first portion while continuing to hold the second portion. The conveying member is configured to convey the product at a conveying speed. A folding assembly is disposed adjacent the conveying member. The folding assembly is configured to receive the first portion of the product from the conveying member while moving generally at the conveying speed, to decelerate relative to the conveying member while holding the first portion thereto thereby causing the product to fold about the fold axis, and to place the first portion of the product into contact with the second portion such that the first portion overlies the second portion.

Abstract: The folding pocket device for a buckle folding machine comprises a folding pocket (11) having a feed-in aperture (25) enabling a sheet to run therethrough in a running-in direction (ER) into a pocket space (24) of the folding pocket (11). A sheet stop means includes a sheet stop (40) extending essentially transversely to the running-in direction (ER) in the pocket space (24), which is displaceable in the running-in direction (ER) and in the opposite direction. A sheet directing means (30) includes a diverting means (35), which is displaceable from a clearance position in which the diverting means (35) opens up the way to the feed-in aperture (25) into the folding pocket (11) to a diverting position in which the diverting means (35) blocks the feed-in aperture (25) in order to divert a sheet.

Abstract: A flap folding system for a disposable article, includes: main pads each for receiving a main body on a main holding surface thereof provided along a conveyance circle about a main rotation shaft and moving along the conveyance circle following rotation of the main rotation shaft while holding the main body on the main holding surface; a pair of side pads provided for each main pad adjacent to the conveyance circle of the main pad each for receiving an end portion of the flap in a girth direction on a sub-holding surface thereof provided along the conveyance circle and holding the end portion of the flap on the sub-holding surface; and a folding mechanism for rotating the side pads with respect to the main pad so that the sub-holding surfaces of the side pads oppose the main holding surface of the main pad, thereby folding the flap.

Abstract: A folding machine for folding a stack of sheets, the folding machine comprising: a frame; means for pre-folding a stack of sheets along a crease line into a main plane such that a booklet with a straight back is obtained; means for keeping the pre-folded booklet relative to the frame; means for finishing the fold; and a transport plate having a leading edge around which the stack of sheets is folded, said transport plate being movable along the means for pre-folding and the means for finishing the fold.

Abstract: A method and apparatus for folding a medium in a folder, which includes a rotatable folding cylinder, a first rotatable press member capable of engaging with said folding cylinder to form a first folding pinch, a second rotatable press member capable of engaging with said folding cylinder to form a second folding pinch, and a medium feed means, wherein the medium is fed with the medium feed means towards the folding cylinder between the first and second pinch; b) the medium is then directed into the first folding pinch, formed by engaging said first rotatable press member with said folding cylinder, by rotating the folding cylinder in a first direction; c) a blouse is formed in the medium between said feed means and the folding cylinder; and d) said blouse is moved into said second pinch by rotating the folding cylinder in a second direction, opposite to the first direction.

Abstract: A blank of sheet material for forming a polygonal container is provided. The blank includes a bottom panel, two opposing end panels each extending from an end edge of the bottom panel, two opposing outer side panels each extending from a side edge of the bottom panel, and an inner side panel extending from each top edge of one outer side panel of the two outer side panels. Each inner side panel includes a central portion, a corner portion extending from each side of the central portion, an inner end portion extending from each side of one of the corner portions, and a plurality of elongated relief cutouts. One elongated relief cutout of the plurality of elongated relief cutouts is defined between each corner portion and the central portion and between each inner end portion and an adjacent corner portion.

Abstract: A machine and method for the continuous folding of sheet material into difference three-dimensional patterns is featured. The innovative machine and method folds sheet material by force converging the sheet to a final stage that imparts a final fold or pattern. Unique programming allows for the change of convergence sequencing and change of materials.

Abstract: A method of folding a plurality of flexible elements about a central fluid storage element includes of urging an intravaginal device into a folding device; imparting relative rotation between at least a portion of the folding device and the intravaginal device; and contacting the plurality of flexible extensions with the folding device. Wherein the intravaginal device includes a fluid storage element and a plurality of flexible extensions extending therefrom, and the flexible extensions are folded about the fluid storage element in a uniform direction. Alternatively, in place of relative rotation, the flexible extensions are folded by means of guide rails of the folding device. Several apparatus may be employed in this and related methods.

Abstract: A method of folding a plurality of flexible elements about a central fluid storage element includes of urging an intravaginal device into a folding device; imparting relative rotation between at least a portion of the folding device and the intravaginal device; and contacting the plurality of flexible extensions with the folding device. Wherein the intravaginal device includes a fluid storage element and a plurality of flexible extensions extending therefrom, and the flexible extensions are folded about the fluid storage element in a uniform direction. Alternatively, in place of relative rotation, the flexible extensions are folded by means of guide rails of the folding device. Several apparatus may be employed in this and related methods.

Abstract: A device for folding sheets of a medium into a booklet is provided. The device includes a frame; a cam mechanism attached to the frame; a lever attached to the frame, the lever being actuated by the cam mechanism; a first scissor arm attached to the frame, the first scissor arm being actuated by the lever; a pair of first rolls, one of the first rolls being movable by the first scissor arm; a second scissor arm attached to the frame, the second scissor arm being actuated by the lever; a pair of second rolls, one of the second rolls being movable by the second scissor arm; a crease blade for contacting the sheets to create a crease in the sheets; and a controller that controls a position of the crease blade, a gap between the pair of first rolls, and a gap between the pair of second rolls.

Abstract: A method of producing an absorbent body includes the steps of passing a first cut-out from a first web material through a nip and passing a second web material through the nip whereby the cut-out from the first web material overlays the second web material as the cut-out and the second web material pass through the nip. One of the following is performed as the cut-out from the first web material and the second material together pass through the nip: forming a fold line in the second web material at the peripheral edge of the cut-out of the first web material and forming a second cut-out from the second web material having substantially the same shape as the first cut-out from the first web material.

Abstract: Blanks used in the manufacture of nappies/diapers are folded on a machine comprising a first aspirating roller (5) by which single blanks (2) are advanced in succession toward a second aspirating roller (6) rotating counter and substantially tangential to the first roller (5) at a folding station (T).

Abstract: In an image forming apparatus, a distance adjusting unit adjusts an inter-unit distance between a contact unit and an image carrier by moving the image carrier or the contact unit by applying an opposing force to the image carrier or the contact unit against a biasing force applied by a biasing unit based on thickness information of a recording sheet acquired by a thickness-information acquiring unit and data indicating a relationship between the thickness information and an inter-unit distance change amount stored in a data storage unit.

Abstract: A device for manipulation of flat articles such as sheets of paper, plastic, cardboard and the like has at least one adjustable conveying unit with conveying elements, especially rollers. The at least one conveying unit is adjustable between at least two positions for performing at least two manipulations on the article. At least one switch that is adjustable between at least two positions for performing at least two manipulations on the article is provided.

Abstract: A leaflet is produced from a pre-printed sheet of material by folding the sheet with at least one crease-line along the line of advancement of the sheet but preferably with two or more such crease-lines so that the sheet is fan-folded. The crease-lines are squeezed by a roller nip and then the sheet is fed into a diametral slot in a mandrel of elliptical cross-section. The leading edge of the sheet is gripped within the slot and then the mandrel is rotated to wind the sheet around the outer surface thereof. The wound sheet is then removed from the mandrel and is squeezed through a roller nip so as to form a substantially flat folded leaflet. The leaflet may be converted to a booklet by joining together the overlying sheets along one folded edge of the compressed leaflet and slitting open the other folded edge of the compressed leaflet.

Abstract: Pre-stretched films may be used to increase the rate at which loads can be wrapped and to minimize the exertion required when using traditional handheld film. However, the edges of pre-stretched films are easily damaged, which may result in tearing or failure of the film during use. The present disclosure describes devices, systems, and methods for folding the edges of the film, resulting in a film that is less susceptible to damage and easier to use.

Abstract: A paper folding apparatus includes a ruling unit that rules a line on each of sheets, a pushing unit that pushes the sheets on which the lines are ruled by the ruling unit, and a pair of folding rollers that comes into contact under pressure with the sheets pushed by the pushing unit and discharges the sheets. The ruling unit includes a plurality of pressing blades for ruling a line on each of the sheets, a swinging unit that swings the pressing blades from a pressing position where the pressing blade presses the sheets to a retracted position where the pressing blades are retracted from the sheets, and a moving unit that moves the pressing blades and the swinging unit along the sheets.

Abstract: Pre-stretched films may be used to increase the rate at which loads can be wrapped and to minimize the exertion required when using traditional handheld film. However, the edges of pre-stretched films are easily damaged, which may result in tearing or failure of the film during use. The present disclosure describes devices, systems, and methods for folding the edges of the film, resulting in a film that is less susceptible to damage and easier to use.

Abstract: According to one embodiment, a sheet processing apparatus includes a folding unit, a fold reinforcing roller, a driving circuit, and a controller. The folding unit folds a sheet bundle to form a fold. The fold reinforcing roller nips the fold of the sheet bundle having the fold formed thereon and conveyed to a fold reinforcing position, reciprocatingly moves along the direction of the fold, and reinforces the fold of the sheet bundle. The driving circuit drives the fold reinforcing roller along the direction of the fold. The controller controls the number of times of the reciprocating movement of the fold reinforcing roller on the basis of a value of an electric current of the driving circuit flowing when the fold reinforcing roller that starts driving from a standby position rides over an end of the sheet bundle.

Abstract: The invention provides a method and apparatus for separating a stack of folded sheets by inserting a first, second, third and fourth count fingers into four successive openings in the stack, and separating the stack between the second and third count fingers. Where separation is carried out after a desired number of folded sheets have passed the third count finger, a completed pack having the desired number of sheets may be formed downstream from the third count finger. The count fingers may be operatively mounted in count finger cassettes.

Abstract: In a sheet folding apparatus for forming first folding and second folding in a sheet, to enable the sheet to be folded in an accurate fold position in second folding, when the front end of the sheet which is first folded in a nip position Np1 of a first folding roller pair and transported strikes a stopper member 86, a guide member 54 guides a fold to undergo second folding of the first-folded sheet to a nip position Np2 of a second folding roller pair 101, and second folding is formed.

Abstract: A processing roll having rotatable outer tube mounted on a non-rotatable inner tube by a fluid valving arrangement, is provided. The fluid valving arrangement provides angularly controlled transfer of fluid between a cavity on the inside of the inner tube and ports distributed longitudinally along an outer surface of the outer tube, while also providing distributed bearing support of either the outer tube on the inner tube, or the inner tube on the outer tube, at a plurality of locations along a longitudinal axis of the processing roll.

Abstract: A folding machine for folding sheets of paper, board and the like, includes at least one knife-shaft unit for cutting, perforating, scoring or crimping the sheets. The knife-shaft unit has at least one pair of driven knife shafts. Knife-retaining units for retaining knives are fitted in a rotationally fixed manner on the knife shafts. The knife-retaining units have a split construction and are formed by a plurality of partial shells. A knife holder for a knife shaft of a folding machine, is also provided.

Abstract: An apparatus of the present invention includes: a folding section 2 for folding a web W in two so that opposite side edges Wa and Wb of the web W are brought into a predetermined positional relationship with each other by bringing the web W into contact with an abutting member 4; a pair of carrying means 10A and 10B arranged along opposite sides of the web W for carrying the web W in the longitudinal direction X; a plurality of holding means 20 provided in each of the carrying means 10A and 10B wherein the holding means 20 can be displaced in the transverse direction D of the web W; displacement means 30 for displacing the holding means 20 in the transverse direction D upstream of the abutting member 4 so as to correct a positional relationship between the web W and the abutting member 4; detection means 3 for outputting positional information regarding a position of the web W in the transverse direction D; and control means 200 for controlling the displacement means 30 based on the positional information.

Abstract: A printing press is provided. The printing press includes at least one printing unit printing on a web, a folder for forming the web into a plurality of signatures, the plurality of signatures traveling in a stream at an initial pitch and a pitch changing device for changing the initial pitch of the plurality of signatures in the stream. The pitch changing device includes a first orbiting member orbiting about a first axis and rotating about a second axis and a second orbiting member orbiting about a third axis and rotating about a fourth axis. The first orbiting member and second orbiting member form a nip and the nip receives a stream of signatures. The first and second orbiting members vary a velocity of the signatures so as to alter the initial pitch. A folder and a method for changing a pitch between consecutive signatures is also provided.

Abstract: A sheet processing apparatus includes a folding roller unit configured to form a fold in a sheet while the sheet passes through a nip of rollers, and a fold-enhancing roller unit having a first roller, a second roller, and a third roller, the first roller being provided facing a first surface of the sheet, orthogonal to a direction of transport of the sheet, the second and third rollers being provided facing a second surface of the sheet orthogonal to the direction of transport of the sheet and different from the first surface, the second and third rollers forming nips with the first roller, in which the fold-enhancing roller unit is moved along the fold with the sheet nipped in the nip between the first roller and the second roller and in the nip between the first roller and the third roller, to form a fold.

Abstract: According to one embodiment, a sheet processing apparatus includes a roller unit having a reinforce roller which moves along a fold of a sheet perpendicular to the sheet conveying direction and thereby further reinforces the fold by the reinforce roller, and a control unit which counts the number of halts of the roller unit generated during the reinforcing operation of the sheet, and in case that the counted number of the halts of the roller unit is less than a prescribed number of times, makes the roller unit to be moved to a retract position and then makes the roller unit to be driven again to perform the reinforcing operation.