54 results about "Paper sheet" patented technology

A sheet processing system comprises a plurality of sheet processing devices, a primary sheet conveyance path, a secondary sheet conveyance path, and a controller which controls the sheet processing devices. The controller uses the primary sheet conveyance path to execute one job, and uses the secondary sheet conveyance path to execute another job in parallel with that one job.

The sheet processing apparatus is provided with a second folding, conveying roller pair that discharges a folded sheet bundle with its folded portion being the leading edge and a folded bundle tray provided below the second folding, conveying roller pair on which the sheet bundle discharged by the second folding, conveying roller pair is to be stacked and that moves the stacked sheet bundle. Before a succeeding sheet bundle is discharged onto a preceding sheet bundle, the folded bundle tray moves the preceding sheet bundle in the upstream direction with respect to the sheet conveyance direction to place the trailing edge of the preceding sheet bundle at a position upstream of the leading edge of the succeeding sheet bundle. Thus, it is possible to provide a sheet processing apparatus that can stack folded sheet bundles with reliability and to improve the image forming efficiency.

A method for preparing sheet material (10, 80) to be used for a page of a book comprises forming—in essentially an even sheet material (10, 80) adapted for use in a modern printing method in which the sheet material (10, 80) runs through a set of cylinders and/or rolls—at least one hinge area (18), extending for a distance (L, K+L) from the edge (14) of the sheet material (10, 80) that is intended as the binding edge of a book, towards the center of the sheet material (10, 80), by making, in the hinge area (18) of the sheet material (10, 80), several weakenings (11) that are parallel to the edge (14), are adjacent to each other and are located at increasing distances with respect to each other from the edge of the sheet material (10, 80) intended as the binding edge of a book, by making the weakenings (11): a) without piercing the sheet material (10, 80) and without essentially removing fibers from the sheet material (10, 80) in the hinge area (18), and b) in such a way that at least some of the weakenings (11) remain visible as protrusions and/or feel like protrusions when tested by the finger. In addition, independent patent claims for the device, the printing paper sheet and the book.

A sheet output device includes a sheet receiver and a group of rollers. The group of rollers includes a plurality of output rollers arranged in the widthwise direction of the sheet and a plurality of pinch rollers arranged upward of the plurality of output rollers. The plurality of pinch rollers pinch the sheet with the plurality of output rollers and transport the sheet onto the sheet receiver. The sheet output device further includes at least one corrugation roller which is disposed between corresponding two of the plurality of output rollers and which has a diameter larger than the plurality of output rollers. The plurality of output rollers are rotatable relatively with respect to the at least one corrugation roller. The at least one corrugation roller rotates by being pushed by a leading end of the transported sheet.

The invention provides a method for manufacturing a holographic aluminized paper material in order to solve the problem that a holographic aluminized paper material of the same type, which has the traditional water based coating coated on a thin film, has poor appearance effect, great production difficulty or difficult repeated use of the stripped thin film and causes high manufacturing cost and big waste of holographic directly plated lining paper. The invention adopts a technical scheme that: the process comprises the following steps: performing holographic mould pressing on a thin film, coating a layer of the water based coating on the thin film, compounding the thin film and a paper material paper base by pressing, baking the thin film and the paper material paper base, stripping off the thin film to obtain the paper material paper base with a holographic texture, and plating an aluminous layer on the paper material paper base with holographic texture with a vacuum aluminizing machine to form the holographic aluminized paper material; and the method is characterized in that: the thin film adopts a single-face heat seal type biaxially oriented polypropylene thin film and a surface tension of the heat seal face of the thin film is controlled to between 28 and 34dyn/cm through corona treatment before performing the holographic mould pressing.

Method for producing a multi-ply web comprising at least three plies of flexible material, such as paper and nonwoven material and a multi-ply product produced according to the method. A first and second ply are glued together with a first glue pattern and a second and third ply are glued together with a second glue pattern which is applied offset with respect to the first glue pattern.

A sheet processing apparatus nicely performs an aligning operation for a sheet conveyed onto a process tray with a simple configuration. A switching member performs an operation of switching an aligning member from a non-contact state to a contact state before the sheet reaches a contact position on the tray or performs an operation of, while the sheet on the tray is being conveyed toward a sheet edge regulating member by the aligning member, switching the aligning member from the contact state to the non-contact state, and further switching the aligning member from the non-contact state to the contact state. Thus, the sheet processing apparatus reduces an occurrence of a conveyance failure caused by collision of a leading edge of thick paper with a return roller and a return guide member, and maintains good conveyance performance by preventing sheet stick caused by a coating material coated on coat paper.

The invention discloses a drawing table facilitating drawing placement for engineering drawing. The drawing table comprises a table frame. A sliding slot is formed in one side of the outer surface atthe upper end of the table frame, and the inner surface of the sliding slot is movably provided with a first sliding plate and a second sliding plate. The first sliding plate is located in front of the second sliding plate, and the outer surface at the upper end of the first sliding plate is fixedly provided with a first table plate. The outer surface at the upper end of the second sliding plate is fixedly provided with a bracket, an adjustment mechanism is disposed between the bracket and the first table plate, and a hanging slot is fixedly formed in the outer surface at the front end of thetable frame close to the middle. The drawing table can increase the placing area of a drawing, improves the fixing stability of the drawing, improves the drawing accuracy, allows a user to observe whether the drawing is placed correctly, and avoids injury to the body of the user caused by the fact that the body of the user leans forwards for a long time.

The invention concerns an apparatus for transferring sheet-like objects from a stack, said apparatus including separate lifting elements gripping by suction to the upper surface of the sheet-like object to be transferred, positioned in a row extending over the stack of the sheet-like objects, and transfer elements for transferring the lifted sheet-like object. The suction effect of the lifting elements is controlled by means of a control device including a light source making a substantially line-shaped illumination pattern. The illumination of the light source is focused at an inclined angle to the surface of the sheet stack, substantially parallel to the lifting element row. A camera means for observing the illumination pattern forwards information about the uniformity of the uppermost layer of the stack.

The invention discloses a manufacturing process of an interlayer copper connector of a printed circuit board. The manufacturing process comprises the following steps: coating a glue resin layer and sticking and pressing release paper on two sides of the outer surface of an insulation layer; forming pores and machining; removing the release paper on one side and coating a copper layer; filling holes with electric conductive colloid; removing the release paper on the other side and coating a copper layer; and pressing, fitting and curing. According to the invention, by adopting a simply and easily operated silk screen printing technology and by combining the electric conductive colloid with low liquidity, the chemical copper depositing and plating technology in the production technology of the traditional printed circuit board is replaced successfully, the conduction performance of the copper layer on performance can be achieved, zero emission and zero pollution in the environment protection aspect are achieved, the investment total amount in device input and plant input aspects is reduced, the investment hazard is reduced, and the conditions for rapid production and manufacturing cycle shortening are provided for the market demand of the printed circuit boards on the aspect of production efficiency.

The invention discloses an expandable high-bonding and high-sound-absorption paper honeycomb composite board and a manufacturing method thereof. The composite board is sequentially compounded by bottom fabric, an adhesive film A, a prepreg, a glass fiber reinforcement polypropylene fiber composite material GMT, an adhesive film B, a honeycomb core material, an adhesive film B, a glass fiber reinforcement polypropylene fiber composite material GMT, a prepreg and an adhesive film C from bottom to top. According to the expandable high-bonding and high-sound-absorption paper honeycomb composite board and the manufacturing method thereof, a rivet type bonding structure is arranged between the adhesive film B and the honeycomb core material, the peel strength between the upper layer and the middle layer and between the middle layer and the lower layer of the product can be enhanced, the overall rigidity is improved, and the problem that an original patented product is not plump in forming during forming, and thus glass fibers can be exposed easily is solved through the layer of the additionally-arranged GMT.

The invention relates to a rectangular paper box. A making method for the paper box comprises that: a piece of rectangular paper is divided into five parts by four longitudinal lines, wherein three parts have equal length, namely the length of a box body, and two parts have equal length, namely the width of the box body; the paper is divided into three parts by two transverse lines, wherein an upper fold line is a reverse fold line, the lower fold line is a positive fold line, the upside of the reverse fold line is provided with three rectangles and two squares, the height between the two fold lines is the height of the box, and the lower height is slightly shorter than the middle height; the lower part of figure 1 is positively folded; figure 2 is reversely folded for an angle of 90 degrees along the four longitudinal lines respectively, and two ends are interpenetrated and overlapped; 31 is inwards folded for 90 degrees, and halves of adjacent 32 and 33 are inwards folded for 180 degrees along a folding mark; 41 is inwards folded for 90 degrees, and halves of adjacent 42 and 43 are inwards folded for 180 degrees along a folding mark; 51 and 52 are reversely folded for 90 degrees and inserted into a lower interlayer; and figure 6 is overturned up and down, and a box opening faces upward. The whole piece of paper is folded into the rectangular paper box; the length, width and height can be designed freely; four walls of the paper box can be arranged into double layers or multiple layers; and the paper box is thick and firm, simple to manufacture, and easy to learn and manufacture.

A paper tray for a printer includes a paper support plate for supporting paper sheets stacked thereon and a support frame formed on the printer body adjacent the paper inlet. The paper support plate has a C-shaped hook having a base portion and upper and lower arms. The support frame has a protruding shaft and an upwardly inclined housing wall. The paper support plate is detachably hinged to the support frame with the C-shaped hook engaged with the protruding shaft so as to be rotated between a vertical position and a horizontal position. The housing wall extends forward beyond the protruding shaft and has a horizontal surface serving as a contact surface at the top of the extending portion. The C-shaped hook has a rib at the base portion. When the paper support plate is rotated to the horizontal position, the rotation is limited by the under surface of the rib coming in contact with the top surface of the extending portion. A reaction force acting on the C-shaped hook with a fulcrum on the contact portion between the top surface of the extending portion and the under surface of the rib is directed substantially vertically downward to the base portion of the hook. Accordingly, a force to be applied on the lower arm of the hook can be reduced, so that the hinge portion can be protected from breakage.

A printing apparatus and a printing method are provided by which information printed on a printing medium can be used to appropriately control an image printing while allowing the entire printing apparatus to have a simpler and smaller configuration. An image is printed on a conveyed sheet by yellow, black, cyan, and magenta inks ejected from printing heads. The yellow ink ejected from the printing head is used to print an image in which information for sensing a sheet conveying amount is embedded by an electronic watermark. The information is read by a sensor unit. Based on the reading result, a printing control is performed. The printing head to eject yellow ink is positioned at an upstream side in a sheet conveying direction than the sensor unit. The printing head to eject black ink is positioned at a downstream side in the sheet conveying direction than the sensor unit.

The invention provides straw-based composite filler. The straw-based composite filler is a compound with a core-shell structure, wherein straw powder particles are used as a core of the compound with the core-shell structure; a cladding film which is grafted with the straw powder particles and contains an acrylamide copolymer is used a shell layer of the compound with the core-shell structure; the straw powder particles are particles which are obtained by crushing straw powder to 30 meshes to 200 meshes; the cladding film shell layer containing the acrylamide copolymer is formed by copolymerizing monomers (a), (b) and (c). The novel straw-based composite filler provided by the invention has the core-shell structure; a surface polymer film of the shell layer has a function of not desorbing and also has hydrophily and cationic property; when the straw-based composite filler is used for paper filling, the net retention rate is kept, even improved, and the effects of enhancing and toughening can be realized. Therefore, properties of the straw-based composite filler can be sufficiently utilized and the straw-based composite filler is used as special filler of the paper.

An image forming apparatus including a plurality of paper feeding units and a method of controlling the same are provided, wherein out-of-paper in at least one of the plurality of paper feeding units is detected, and a failure in at least one of the plurality of paper feeding units is detected. The apparatus controls to permit selecting a paper feeding unit to be used as a paper feeding source of paper in which the out-of-paper is detected, and the apparatus controls not to permit selecting the paper feeding unit in which the failure is detected.

The invention provides an electrostatic elimination device used for a high-speed digital printer. The electrostatic elimination device comprises an electrostatic ion rod which is used for eliminating electrostatics among paper and a control circuit which is used for controlling the starting and stopping of the electrostatic ion rod; the electrostatic ion rod is arranged on a paper path overturning plate at the paper exit of the high-speed digital printer, and is vertically arranged above the paper; the control circuit is connected with the electricity supply power end of the electrostatic ion rod through a conduction wire; and the control circuit is separately connected with the power end of the high-speed digital printer and a paper feeding control signal end for controlling the starting and stopping of paper feeding. According to the electrostatic elimination device, the control circuit starts and stops working of the electrostatic ion rod according to the paper feeding and paper stopping conditions of the high-speed digital printer; an automatic starting and stopping effect that the electrostatic elimination is started when the paper feeding begins, and the electrostatic elimination is stopped when the paper feeding stops is realized; no manual operation is needed during the whole process, so that the electrostatic elimination device is more convenient and safe; the electrostatic elimination device has an automatic electrostatic elimination function; a paper jamming phenomenon is avoided; the working efficiency is improved; the electrostatic elimination device is safe and harm-free; the assembly is convenient; and the work of the original printer is not affected.

The invention discloses a papermaking additive uniform dilution device for papermaking. The device comprises a mounting groove and a mixing and diluting groove; the mounting groove is fixedly connected with the mixing and diluting groove, the inner wall of the mounting groove is rotatably connected with a rotating cylinder, the rotating cylinder is sleeved with a second gear, and the inner wall of the mounting groove is fixedly connected with a rotating motor; an output shaft of the rotating motor is fixedly connected with a second gear matched with the second gear, the rotating cylinder penetrates through the mounting groove and the side wall of the mixing and diluting groove, and the rotating cylinder is fixedly connected with the joint of the mounting groove and the mixing and diluting groove in a sealed mode. According to the papermaking auxiliary agent diluting device, a stirrer can be driven to rotate and revolve, and the papermaking auxiliary agent can be fully diluted by driving the stirrer to move up and down and utilizing an inclined disc to mix the papermaking auxiliary agent up and down, so that the papermaking auxiliary agent is uniformly distributed in a diluent, the diluting effect and quality are ensured, and the final paper production quality is also ensured.

The invention discloses a planting paper. The planting paper comprises a composite planting paper layer and a planting substrate; a plant seed layer and cationic starch are clamped inside the composite planting paper layer, and the cationic starch is sprayed above the plant seed layer. The invention also discloses a preparation method of the planting paper. By applying recycled materials as plantcultivating carrier and substrate, resources can be saved, the cost can be reduced, and high economic benefits can be achieved. The preparation method of the planting paper is simple and applicable toscale industrial production.

The invention relates to an amorphous alpha-olefin copolymer improved paper-based friction material and a preparation method thereof. An amorphous alpha-olefin copolymer is a saturated olefin copolymer to replace low-molecular-weight oil, a plasticizer and the like which are easy to migrate to be blended with many high polymers so as to improve the processability of the material. Especially, the improvement on the high-temperature stability and low-temperature crack resistance of the asphalt material is reported. According to the invention, APAO is introduced into a phenolic resin-nitrile rubber system to improve the fitting property of a friction plate and a pair, so that the friction coefficient is increased, and meanwhile, the low-temperature crack resistance of nitrile rubber is improved. The preparation method comprises the following steps: firstly, uniformly mixing and stirring fibers, filler and water, adding into a paper sheet former to make a paper-based friction material preform, and drying; preparing an organic solution of the amorphous alpha-olefin copolymer to dip the preform, drying, soaking the preform into a mixed solution of nitrile rubber and phenolic resin, and finally performing hot-pressing curing treatment to obtain the paper-based friction material.