Class / Patent application number | Description | Number of patent applications / Date published |
493454000 | By rotary member | 50 |
20080227614 | Methods of Forming Outserts and Outserts Formed Thereby - Outserts having printed information thereon are disclosed and are formed in accordance with a method in which a plurality of parallel folds are made in a sheet of paper in a first fold direction using a plurality of pairs of folding rollers and stop members to form an intermediate folded item and in which a plurality of cross-folds are made in the intermediate folded item to form the outsert. The cross-folds may be made to divide the length of the intermediate folded item into ten panels, fourteen panels, or eighteen panels. | 09-18-2008 |
20090062100 | Sheet folding device and image forming apparatus - Plural conveying paths including guide plates are arranged on both sides of a sheet in its thickness direction, being linked from an upstream side to a downstream side in a conveying direction of the sheet. A stopper is arranged in at least one of the conveying paths to make contact with a leading edge of the sheet conveyed through the conveying paths thereby stopping the sheet and forming a bending portion at the sheet. A pair of folding rollers is arranged between the conveying paths to nip the bending portion of the sheet to form a folding line at the sheet. An adjusting member is provided on the guide plates to adjust a space between the guide plates. | 03-05-2009 |
20090318275 | Folding device with a folding blade cylinder and a folding jaw cylinder - A folding device includes a folding blade cylinder and a cooperating folding jaw cylinder, each of which has several circumferentially arranged holding devices. These holding devices can be moved between a disengaged position, where the leading end of a product can be inserted or released, and a holding position in which the product leading edge is held in the holding device. The folding blade cylinder and the folding jaw cylinder each have a number of holding devices equal to the respective number of folding blades and folding jaws. Each of the folding blades presses a product to be folded, and which is held by one of the holding devices on the folding blade cylinder, into a cooperating folding jaw on the folding jaw cylinder. This is accomplished during the passage of the product through a transfer slot between the folding blade cylinder and the folding jaw cylinder. An offset between each folding blade and its associated holding device is adjustable. The location of a holding device, and a subsequent folding blade is fixed. The offset between one of the holding devices of the folding blade cylinder and one of the folding blades that follows that holding device is less than a maximum offset between one of the holding devices and the folding blade that follows behind the folding device. | 12-24-2009 |
20100009830 | SHEET FOLDING APPARATUS, IMAGE FORMING APPARATUS USING THE SAME, AND SHEET FOLDING METHOD - A sheet folding apparatus includes a fold unit to fold a center of a sheet bundle to form a fold line, a reinforce roller which reciprocates along a direction of the fold line while nipping and pressing the fold line and reinforces the fold line of the sheet bundle, and a control section to changeably set the number of times of reciprocating movement of the reinforce roller according to a thickness of a sheet contained in the sheet bundle. | 01-14-2010 |
20100022376 | FOLDING MACHINE AND KNIFE HOLDER FOR A KNIFE SHAFT OF A FOLDING MACHINE - 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. | 01-28-2010 |
20100323869 | PAPER FOLDING APPARATUS AND POSTPROCESSING APPARATUS USING THE SAME - 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. | 12-23-2010 |
20110092352 | ROLLING BOOT WITH TRANSITION REGION - A rolling boot is porposed that has a first fastening region and a fold region with at least a first fold having a first fold peak region and a first fold flank near the first fastening region and, opposite this first fold flank, a second fold flank which is adjoined by a fold trough, wherein a transition region having a base surface is arranged between the first fastening region and fold region, and an angle a having a range from approximately 90° to approximately 140° is formed between the base surface and an outer side of the first fold flank, and the fold trough has a depth T which is, at most, approximately 65 percent of a height H of the first fold. | 04-21-2011 |
20110172074 | METHOD FOR CONTROLLING A CHOPPER FOLDER AND CHOPPER FOLDER - A method adapted for a chopper folder, including a pair of parallel folding rollers defining between them an interstice, a mobile folding blade to force a flat product in the interstice, a means for adjusting the gap between the two folding rollers and a device for controlling the adjustment device. According to the method of the invention, at the beginning of a new production, the controller implements a production beginning mode, wherein it controls the means for adjusting the gap for the adjustment of the gap at a determined reference value, then a production mode, wherein it controls the means for adjusting for a gap adapted to the new production at a steady state. | 07-14-2011 |
20110212818 | METHOD AND APPARATUS FOR PRODUCING WEARING ARTICLE - A method for producing a wearing article of the present invention includes the steps of: supplying an elastic member; stretching the elastic member; placing the stretched elastic member so that the elastic member spreads across a plurality of first webs divided in a transport direction; making a part of a second web loose in the transport direction while transporting the second web, thereby forming a loose portion; placing the first webs, on which the elastic member is disposed, on non-loose portions before and after the loose portion of the second web; and cutting the elastic member between adjacent first webs of the plurality of first webs. | 09-01-2011 |
20110218090 | SHEET FOLDING DEVICE, IMAGE FORMING APPARATUS USING THIS DEVICE, AND SHEET FOLDING METHOD - According to an embodiment of the invention, a sheet folding device includes a pair of folding rollers which nips a sheet between the folding rollers and thus folds the sheet, a folding blade which pushes the sheet in between the pair of folding rollers, and a folding blade control unit which controls the folding blade to fold a first sheet with the pair of folding rollers, then push a second sheet into the fold of the first sheet, and fold the second sheet with the pair of folding rollers over the first sheet. | 09-08-2011 |
20110218091 | SHEET FINISHING APPARATUS AND SHEET FINISHING METHOD - According to an embodiment, there is provided a sheet finishing apparatus including a folding roller that nips the middle of bundle of sheets and forms a fold line, a fold reinforcing roller that reinforces the fold line by moving along the fold line while applying a pressure to the fold line, a stack tray that stacks the bundle and a control unit that sets the number of times of fold reinforcing performed by the fold reinforcing roller as a first number when it is determined that a quantity of stacked bundle on the stack tray is less than a predetermined standard quantity which is set to be less than a maximum stack quantity and sets the number of times of the fold reinforcing as a second number greater than the first number when it is determined that a quantity of the stacked bundle is greater than the predetermined standard quantity. | 09-08-2011 |
20110237416 | SHEET POST-PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - 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. | 09-29-2011 |
20110281709 | SHEET FOLDING DEVICE AND SHEET POST-PROCESSING DEVICE USING SAME - Sheet pressing means ( | 11-17-2011 |
20110281710 | SHEET FOLDING DEVICE AND SHEET POST-PROCESSING DEVICE USING SAME - Sheet pressing means ( | 11-17-2011 |
20110294639 | Sheet folding apparatus and image formation system provided with the apparatus - In a sheet folding apparatus, to enable a jammed sheet to be removed with ease when a jam occurs, a casing having a carry-in entrance and a carrying-out exit is divided into an upper unit and a lower unit via a first transport path for carrying a sheet from the carry-in entrance to the carrying-out exit, a second transport path for performing folding processing on a sheet is disposed in the direction for crossing the first transport path, and in the upper unit are disposed a sheet front end switchback path for reversing and carrying the sheet toward a folding roller pair and sheet deflecting means for guiding the sheet to the folding roller pair. Then, the upper unit is coupled to the lower unit to be openable and closable by a hinge shaft rotating around one side end portion orthogonal to the sheet transport direction of the first transport path. | 12-01-2011 |
20110306484 | FOLDING DEVICE - A folding device ( | 12-15-2011 |
20120004086 | Sheet folding apparatus - To enable a sheet to be folded in an accurate position with a simplified folding mechanism in performing folding processing on the sheet with a pair of folding rollers, a second transport path is disposed in a direction for crossing a first transport path for guiding a sheet from a carry-in portion to a carrying-out portion, and in the cross portion are disposed a folding roller pair for performing folding processing on a sheet, and a folding deflecting member for inserting a fold of the sheet in the nip portion. Then, the folding deflecting member is comprised of a driven roller that comes into press-contact with a roller periphery of the folding roller pair, and a shift member for shifting the driven roller from a waiting position to an actuation position, and by the operation of shifting the driven roller from the waiting position outside the path to the actuation position, the sheet front end portion is fed to the nip portion from an upstream-side guide path formed in the second transport path. At this point, the shift velocity of the driven roller is made higher than the velocity of the sheet sent from the first transport path. | 01-05-2012 |
20120015792 | Method and Apparatus for Transporting and Folding Articles - An apparatus for folding articles advancing in a machine direction including a rotatable roll having a roll surface, at least one protrusion that defines an outermost surface of the roll and at least one pocket that defines an innermost surface of the roll. The apparatus also includes a first and second vacuum conveyor assembly, each comprising two vacuum conveyors. The roll and the vacuum conveyor assemblies are cooperatively configured to fold an article. A method for folding articles by accelerating a portion of the article to create slack in the article, as may be practiced using an apparatus as described. | 01-19-2012 |
20120021887 | DEVICE FOR SEPARATING PACKS OF SHEET PRODUCTS AND MACHINE USING SAID DEVICE - The device includes a feed path for the products, along which the products move forward, divided into single packs with the interposition of at least one separator finger between one pack and the next; an oscillating support to receive packs of products and tip them onto a conveyor below; a front retaining element, which can be inserted and removed with respect to the feed path of the products to frontally retain the pile of products while the oscillating support performs an oscillation movement and deposits a pack on the conveyor below. The front retaining element is inserted in a space formed between the first and the second pack of the pile. The space is obtained by oscillating the support downwards. The oscillating support moves downwards by a first downwards angular movement and a second angular movement. | 01-26-2012 |
20120028779 | SHEET PROCESSING APPARATUS, IMAGE FORMING SYSTEM AND SHEET PROCESSING METHOD - According to one embodiment, a sheet processing apparatus includes a reinforce roller to further reinforce the fold of a sheet which has been folded by a fold roller pair, a support portion to move the reinforce roller from a home position in a direction perpendicular to a sheet conveying direction, a motor to drive the support portion, a sensor to sense a position of the support portion, and a control unit which, in case that the sensor senses a position where the support portion abnormally stops, controls the support portion to move from the abnormally stopped position to a second position which is different from a first position that is a home position. | 02-02-2012 |
20120028780 | SHEET PROCESSING APPARATUS, IMAGE FORMING SYSTEM AND SHEET PROCESSING METHOD - According to one embodiment, a sheet processing apparatus includes a reinforce roller to further reinforce the fold of a sheet which has been folded by a fold roller pair, a support portion to move the reinforce roller in a direction perpendicular to a sheet conveying direction, a motor to drive the support portion, and a control unit to control the motor so that the support portion moves at a faster moving speed at the time of a homeward route than a moving speed at the time of an outward route. | 02-02-2012 |
20120028781 | SHEET FOLDING APPARATUS, IMAGE FORMING APPARATUS USING THE SAME, AND SHEET FOLDING METHOD - A sheet folding apparatus includes: a saddle-stitching unit configured to stitch a center of a sheet bundle; a folding unit configured to fold the sheet bundle at the center to form a fold; a loading base onto which the sheet bundle conveyed from the folding unit is loaded; a nipping plate configured to be pressed to and separated from the loading base in parallel to the loading base and to nip the sheet bundle loaded onto the loading base; and first and second rollers that move along a direction of the fold while nipping and pressing the fold of the sheet bundle nipped by the nipping plate to reinforce the fold. Here, a surface, which faces the loading base, of the nipping plate is provided with an elastic member. | 02-02-2012 |
20120065046 | SHEET FOLDING APPARATUS, IMAGE FORMING APPARATUS USING THE SAME, AND SHEET FOLDING METHOD - A sheet folding apparatus includes a fold unit to fold a center of a sheet bundle to form a fold line, a reinforce roller which reciprocates along a direction of the fold line while nipping and pressing the fold line and reinforces the fold line of the sheet bundle, and a control section to changeably set the number of times of reciprocating movement of the reinforce roller according to a thickness of a sheet contained in the sheet bundle. | 03-15-2012 |
20120071311 | Device For Driving The Folding Arms Of An Interfolding Machine - The device for driving folding arms of comb-like folding means along a closed operating path is used on an interfolding machine | 03-22-2012 |
20120178608 | FOLDING MACHINE AND METHOD FOR MANUFACTURING ABSORBENT ARTICLE - A folding machine includes a conveyance roll configured to come into contact with both a first region and the second region being flush with each other; a web guide mechanism configured to cause the first region and the second region to face each other with reference to the folding line so that an angle between the first region and the second region becomes smaller toward downstream; a press mechanism configured to press at least any one of the first region and the second region. The press mechanism changes a pressing strength on the web to change at least either a track length (first track length) in which one side edge provided on a downstream of a conveyance roll is conveyed or a track length (second track length) in which other side edge is conveyed. | 07-12-2012 |
20120178609 | WEB CONVEYING APPARATUS AND WEB CONVEYING METHOD - A web conveying apparatus configured to convey a pair of webs folded in the cross direction CD with reference to a folding line. The web conveying apparatus includes a crotch hold bar configured to hold an intermediate web in a conveyable manner with the folded intermediate web stretched in a direction in which the crotch portions get away from the waistline portions; and a conveying mechanism configured to convey the intermediate web and hands over the intermediate web to a joint apparatus and a cutting apparatus, while the crotch portions are being held by the crotch hold bar. | 07-12-2012 |
20120184426 | Apparatus for Forming a Sheet Structure from a Foldable Material - The present invention supplies practical procedures, functions or techniques for folding tessellations. Several tessellation crease pattern techniques, and the three-dimensional folded configuration are given. Additionally several new forming processes, including mathematical methods for describing the material flow are disclosed doubly-periodic folding of materials that name the doubly-periodic folded (DPF) surface, including vertices, edges, and facets, at any stage of the folding. This information is necessary for designing tooling and forming equipment, for analyzing strength and deflections of the DPFs under a variety of conditions, for modeling the physical properties of DPF laminations and composite structures, for understanding the acoustic or other wave absorption/diffusion/reflection characteristics, and for analyzing and optimizing the structure of DPFs in any other physical situation. Fundamental methods and procedures for designing and generating DPF materials include ways for defining the tessellation crease patterns, the folding process, and the three-dimensional folded configuration. The ways are mathematically sound in that they can be extended to a theorem/proof format. | 07-19-2012 |
20120190525 | SHEET PROCESSING APPARATUS, IMAGE FORMING SYSTEM AND SHEET PROCESSING METHOD - 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. | 07-26-2012 |
20120190526 | SHEET PROCESSING APPARATUS, IMAGE FORMING APPARATUS AND SHEET PROCESSING METHOD - 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. | 07-26-2012 |
20120270716 | TUBE IN A TUBE MECHANICAL FOLDING ROLL - 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. | 10-25-2012 |
20130012370 | SHEET PROCESSING APPARATUS AND SHEET FOLDING METHOD - 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. | 01-10-2013 |
20130059715 | Apparatus and Method for Folding Film Edges - 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. | 03-07-2013 |
20130079210 | Apparatus and Method for Folding Film Edges - 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. | 03-28-2013 |
20130123088 | ABSORBENT BODY FOR AN ABSORBENT ARTICLE AND METHOD OF PRODUCING AN ABSORBENT BODY - 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. | 05-16-2013 |
20130165308 | METHODS OF PACKAGING INTRAVAGINAL DEVICES - 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. | 06-27-2013 |
20130165309 | METHODS OF PACKAGING INTRAVAGINAL DEVICES - 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. | 06-27-2013 |
20130252795 | Folding Machine - 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. | 09-26-2013 |
20130345037 | Folding pocket device for a buckle folding machine - The folding pocket device for a buckle folding machine comprises a folding pocket ( | 12-26-2013 |
20140011657 | PAPER FOLDING DEVICE - A paper folding device ( | 01-09-2014 |
20140051561 | ASSEMBLY AND METHOD OF FOLDING MATERIALS - 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. | 02-20-2014 |
20140121093 | SYSTEM AND METHOD FOR FOLDING PRINTED SHEETS - 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. | 05-01-2014 |
20140141955 | VARIABLE CUTOFF FOLDING DEVICE AND PRINTER COMPRISING VARIABLE CUTOFF FOLDING DEVICE - A variable cutoff folding device | 05-22-2014 |
20140141956 | SHEET PROCESSING APPARATUS, IMAGE FORMING SYSTEM, AND SHEET FOLDING METHOD - 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. | 05-22-2014 |
20140243180 | SHEET FOLDING DEVICE - 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. | 08-28-2014 |
20150045198 | METHOD AND APPARATUS FOR MICROFOLDING SHEET MATERIALS - 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. | 02-12-2015 |
20150065326 | SHEET PROCESSING DEVICE, IMAGE FORMING SYSTEM, AND METHOD OF ADDITIONALLY FOLDING SHEET BUNDLE - 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 θ 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. | 03-05-2015 |
20150065327 | SHEET FOLDING APPARATUS AND IMAGE FORMING SYSTEM - 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. | 03-05-2015 |
20160052745 | SYSTEMS AND METHODS FOR FOLDING A STACK OF SUBSTRATE SHEETS - Systems and methods for folding a stack of substrate sheets are provided. The system may include a roller assembly and a positioning mechanism. The roller assembly is configured for folding the stack of substrate sheets and the positioning mechanism is configured to position the substrate or stack for entry into the roller assembly. The positioning mechanism includes an upper curved form and a lower curved form to guide the stack of substrate sheets into a curved position for folding. The positioning mechanism further includes a folding blade positioned to extend through the gap between the upper and lower curved forms. The roller assembly can move the folded stack of substrate sheets in at least two directions. | 02-25-2016 |
20160096311 | SHEET PROCESSING APPARATUS, IMAGE FORMING SYSTEM, AND PAIR OF ROTATING MEMBERS - A sheet processing apparatus includes a rotating member, a switching unit, and a pressing unit. The rotating member is rotatable and has a facing portion that faces a fold section of a sheet. The rotating member rotates so as to switch the facing portion to another facing portion. Each facing portion is provided with a protrusion. A set position of the protrusion in an axial direction varies from facing portion to facing portion. The switching unit rotates the rotating member so as to switch the facing portion that faces the fold section. The pressing unit presses the protrusion of the facing portion against the fold section. | 04-07-2016 |
20160115000 | SHEET PROCESSING APPARATUS, IMAGE FORMING SYSTEM, AND METHOD OF ADDITIONALLY FOLDING SHEET BUNDLE - A sheet processing apparatus includes a pressing unit including a first pressing member and a second pressing member. The pressing unit is configured to sandwich and press a fold part of a folded sheet bundle between the first pressing member and the second pressing member. The sheet processing apparatus also includes a moving unit configured to move a position pressed by the pressing unit in a direction of a fold of the sheet bundle. A position pressed by the first pressing member on the sheet bundle and another position pressed by the second pressing member on the sheet bundle are shifted with respect to each other in the direction of the fold of the sheet bundle. | 04-28-2016 |