Patent application number | Description | Published |
20100187742 | SHEET POST-PROCESSING APPARATUS AND IMAGE FORMING APPARATUS HAVING THE SAME - There are provided a sheet post-processing apparatus which can reliably stack a sheet bundle in imbricated state without bending it and an image forming apparatus having the same. | 07-29-2010 |
20100194037 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A sheet processing apparatus according to the invention includes a conveying portion that conveys a sheet; and an abutment member against which an end of the sheet in a conveying direction abuts, the sheet being conveyed by the conveying portion. Herein, the abutment member is movable so as to change a distance between the abutment member and the conveying portion adjacent to the abutment member based on sheet information about the stiffness of a sheet, when an end of the sheet in the conveying direction is abutted against the abutment member. | 08-05-2010 |
20100329755 | SHEET PUNCHING DEVICE AND IMAGE FORMING APPARATUS HAVING SHEET PUNCHING DEVICE - A sheet punching device includes a first blade, a first die into which the first blade is fitted from a first surface of a sheet to form a punch hole in the sheet, a second blade, and a second die into which the second blade is fitted. The second blade is inserted into the punch hole formed by the first blade from a second surface of the sheet and fitted into the second die. | 12-30-2010 |
20100329768 | CUTTING APPARATUS AND IMAGE FORMING APPARATUS - A cutting apparatus configured to cut a sheet or a sheet bundle includes a cutting blade whose blade surface has a plurality of grooves. In the cutting apparatus, a scraping member enters the grooves provided on the blade surface to scrape off cutting scraps remaining after a cutting operation. Accordingly, the cutting apparatus can scrape off cutting scraps from the cutting blade even if the adhesive force of the cutting scraps is great. | 12-30-2010 |
20110280625 | SHEET CONVEYING APPARATUS, SHEET PROCESSING APPARATUS, AND IMAGE FORMING APPARATUS - A roller separating mechanism rotates an upper roller-moving cam and a lower roller-moving cam at the same time, and swings the upper roller arm plate and the lower roller arm plate such that a pair of folding rollers separate from each other. When the pair of folding rollers are to be abutted against each other, the upper roller arm plate and the lower roller arm plate are swung with different timing in a direction in which the pair of folding rollers abut against each other. | 11-17-2011 |
20120061900 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A sheet processing apparatus according to the invention includes a conveying portion that conveys a sheet; and an abutment member against which an end of the sheet in a conveying direction abuts, the sheet being conveyed by the conveying portion. Herein, the abutment member is movable so as to change a distance between the abutment member and the conveying portion adjacent to the abutment member based on sheet information about the stiffness of a sheet, when an end of the sheet in the conveying direction is abutted against the abutment member. | 03-15-2012 |
20120326379 | SHEET STACKING APPARATUS AND IMAGE FORMING APPARATUS - A sheet stacking apparatus includes an endless belt member onto which sheets are stacked and which moves rotationally to convey the sheets; a plurality of holding members that is provided on the belt member and that holds the sheets down to a sheet stacking surface of the belt member to nip the sheets; and sheet detecting portions which detect presence or absence of sheets between the holding members and the sheet stacking surface of the belt member, the sheet detecting portions each include a light emitting portion that emits light and a light receiving portion that receives the light, and the light emitting portions and the light receiving portions are fixedly provided below the sheet stacking surface of the belt member so that the light emitting portions and the light receiving portions detect presence or absence of a sheet at times when facing the holding members. | 12-27-2012 |
20130023396 | Sheet Processing Apparatus and Image Forming Apparatus - The controller controls the folded bundle conveying portion such that, when a length in the conveying direction of the succeeding folded bundle makes the upstream edge in the conveying direction of the succeeding folded bundle, which is temporarily stopped for the folded end portion processing, remain within a stacking region of the sheet stacking portion, before the preceding folded bundle has been finally moved to the second stacking position, the succeeding folded bundle is conveyed until the upstream edge in the conveying direction of the succeeding folded bundle, to which the folded end portion processing has been applied, passes through outside the stacking region of the sheet stacking portion. | 01-24-2013 |
20130156477 | SHEET PUNCHING DEVICE AND IMAGE FORMING APPARATUS HAVING SHEET PUNCHING DEVICE - A sheet punching device comprises a first blade, a first die into which the first blade is fitted from a first surface of a sheet to form a punch hole in the sheet, a second blade, and a second die into which the second blade is fitted. The second blade is inserted into the punch hole formed by the first blade from a second surface of the sheet and fitted into the second die. | 06-20-2013 |
20130221596 | SHEET PROCESSING DEVICE AND IMAGE FORMING SYSTEM - A driving roller for conveying a sheet to a sheet punching unit, and a sheet inverting unit including a driving roll capable of being driven to rotate by the driving roller are provided between a branching point, at which a return path of a sheet conveying path is branched, and a sheet punching unit. When a subsequent sheet for which a punching process is performed next reaches the sheet inverting unit, the sheet to which the punching process has been performed by the sheet punching unit is conveyed to the return path by the driving roll while making the sheet pass by a subsequent sheet conveyed to the sheet punching unit by the driving roller. | 08-29-2013 |
20130285312 | SHEET STACKING APPARATUS AND IMAGE FORMING APPARATUS - In a finisher in which a sheet discharged by a pair of discharge rollers is stacked on a stack tray moveably provided in a sheet stack direction so that the position of a top surface of the sheet is constant and the sheet stacked on the stack tray is aligned by a pair of aligning members moveably provided in a width direction perpendicular to a discharge direction of the sheet, as a stack amount of the sheets stacked on the stack tray, which amount is detected by a stack amount detecting portion, is increased, the pair of aligning members upon the alignment are controlled to approach the top sheet stacked on the stack tray. | 10-31-2013 |
Patent application number | Description | Published |
20090023014 | Process for Producing Metallic Component and Structural Member - A process for producing a metallic component of a structural member or the like used in an aircraft or automobile or the like, the process including shot peening the surface of a metallic material, wherein the fatigue properties of the metallic material are improved with almost no variation in the surface roughness over the course of shot peening. Shot peening the metallic material surface uses a shot material having an average particle size of not more than 200 μm, and the ratio of the surface roughness of the metallic material surface following the projection step relative to the surface roughness of the metallic material surface prior to the projection step is not less than 0.8 and not more than 1.5. | 01-22-2009 |
20090029180 | Process for Imparting Conductivity to Surface of Formed Article, and Formed Article with Surface Conductivity - A metal coating with excellent adhesion is formed by a simple process on the surface of a formed article that comprises a resin, thereby imparting conductivity to the formed article. Metal particles are projected by a cold spraying method onto at least a portion of the surface of a formed article that comprises a resin, thereby forming a metal coating. | 01-29-2009 |
20090092849 | Process for Producing Metallic Component and Structural Member - A process for producing a metallic component that includes shot peening the surface of a metallic material, wherein almost no dimensional change or roughening of the surface profile of the metallic material occurs, the iron fraction adhered to the surface of the metallic material is removed efficiently, and the fatigue properties of the produced metallic component are improved. First particles containing iron as the main component and having an average particle size of not less than 0.1 mm and not more than 5 mm are projected onto the surface of a metallic material containing a lightweight alloy, and second particles containing essentially no iron and having an average particle size of not more than 200 μm are then projected onto the surface of the metallic material. | 04-09-2009 |
20100108804 | AIRCRAFT ASSEMBLY AND METHOD FOR MANUFACTURING THE SAME - An aircraft assembly having improved durability and capable of providing good lightning protection is provided. Provided is an aircraft assembly ( | 05-06-2010 |
20100221566 | PROCESS FOR PRODUCING METAL MEMBER, AND METAL MEMBER - A process for producing a metal member having improved fatigue life via a simple process. The process for producing a metal member comprises a burr removal step of removing burrs from the corners and edges of a metal member, and a projection step, which is performed after the burr removal step, without performing a chamfering treatment, of projecting particles having an average particle size of not less than 10 μm and not more than 400 μm onto a surface of the metal member. | 09-02-2010 |
20110008633 | PROCESS FOR PRODUCING METAL MEMBER, STRUCTURAL MEMBER WITH THUS PRODUCED METAL MEMBER, AND METHOD OF REPAIRING METAL MEMBER - A process for producing a metal member that enables both the fatigue properties and the corrosion resistance of the member to be improved, a structural member that includes a thus produced metal member, and a method of repairing a metal member. The process for producing a metal member comprises a projection step of projecting particles having an average particle size of not more than 200 μm onto the surface of a metal material comprising an aluminum alloy using compressed air or a compressed gas, and a chemical conversion treatment step of forming a film on the surface of the metal material by performing a chemical conversion treatment following the projection step. | 01-13-2011 |
20110103999 | METAL COATING FORMING METHOD AND AEROSPACE STRUCTURAL MEMBER - Provided are a method for forming a metal coating at high speed by using a simple cold spray apparatus, and an aerospace structural member on which a metal coating is formed by the cold spray method. In the metal coating forming method, nonspherical heteromorphous particles made of metal are projected onto a base material surface by the cold spray method to form a metal coating on the base material surface. | 05-05-2011 |