| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | Sheet Edge Trimming and Removal From a Structured Paper Fabric | US14594232 | 2015-01-12 | US20150122441A1 | 2015-05-07 | David Drew Raines; Farminder S. Anand; Theodore D. Kennedy; David S. Veldhuizen; Mark S. Hunter; Dean J. Baumgartner |
| The disclosure relates to a method for trimming unwanted edges from a moving paper web. The disclosure also relates to the trimming of unwanted edges while the web is traveling on a structured papermaking fabric. The method uses a water nozzle having a diameter of 0.02″ or less. The method also includes the removal of the unwanted edge trimmings to a trim chute through the use of moving air, for example, an air knife. The disclosure also relates to an edge trimming apparatus. | ||||||
| 62 | Sheet edge trimming and removal from a structured paper fabric | US14173403 | 2014-02-05 | US08968519B2 | 2015-03-03 | David Drew Raines; Farminder Singh Anand; Theodore D. Kennedy; David S. Veldhuizen; Mark S. Hunter; Dean J. Baumgartner |
| The disclosure relates to a method for trimming unwanted edges from a moving paper web. The disclosure also relates to the trimming of unwanted edges while the web is traveling on a structured papermaking fabric. The method uses a water nozzle having a diameter of 0.02″ or less. The method also includes the removal of the unwanted edge trimmings to a trim chute through the use of moving air, for example, an air knife. The disclosure also relates to an edge trimming apparatus. | ||||||
| 63 | WEB TURN-UP CUTTING APPARATUS AND METHOD | US13490747 | 2012-06-07 | US20130192785A1 | 2013-08-01 | Dieter H. HILKER |
| A web turn-up cutting method and apparatus for severing a continuous web that is traveling in a travel direction. The apparatus comprising a first water nozzle and a second water nozzle that are mountable on respective nozzle carriages and transversely movable. The apparatus further comprising a water jet controller adapted to activate a water supply of the first and second water nozzles and a carriage controller adapted to actuate the nozzle carriages to provide a transversal movement of the first and second water nozzles. The first and second nozzles being adapted to define together a substantially X-shaped cut on the traveling continuous web. The substantially X-shaped cut defining at least a substantially V-shaped tail for ending a forming roll, an opposite substantially V-shaped start for starting a new spool, a detachable first wing and a detachable second wing. A method of manufacturing paper in a papermaking machine. | ||||||
| 64 | Device for detaching a paper web from a wire | US10705064 | 2003-11-10 | US20040129399A1 | 2004-07-08 | Harald Weigant |
| The invention relates to a device for detaching a paper web 9 from a wire 4, where the pulp suspension is fed in between a wire 4 and a felt 5 by a headbox 2, the wire 4 and felt 5 are guided together over a forming roll 3, and are separated from one another after the web 9 has formed. It is especially characterised by the separation point 10 of wire 4 and felt 5 being located at a distance from the forming roll 3. | ||||||
| 65 | Trim hold down box apparatus | US10300701 | 2002-11-20 | US20040094011A1 | 2004-05-20 | Shawn S. Devoe; Marvin David Hoekman; Leonard A. Scharlau |
| A trim hold down box apparatus is disclosed for assisting in the separation of trim cut from an edge of a sheet by a cutter prior to the sheet being transferred from a forming wire of a forming section to a press section of a paper making machine. The apparatus includes a frame which is adjustably secured to the former and is disposed downstream relative to the cutter. A box cradle is secured to the frame and a trim box is movably connected to the box cradle such that floating of the trim box with the forming wire is permitted. The arrangement is such that the forming wire is disposed between the trim and the trim box. A biasing arrangement extends between the trim box and the box cradle so that biasing of the trim box relative to the forming wire is permitted. The trim box has a first and a second end and the first end of the trim box is connected to a source of partial vacuum. The second end of the trim box cooperates with the forming wire and is disposed in a vicinity of the trim. The arrangement is such that when the first end of the trim box is connected to the source of partial vacuum, separation of the trim from the sheet being transferred into the press section is assisted by the partial vacuum applied to the trim at the second end of the trim box. | ||||||
| 66 | Method and apparatus for dividing a paper web | US09715224 | 2000-11-17 | US06319364B1 | 2001-11-20 | Lars Ekström |
| A method of dividing a formed paper web into at least two partial-width webs during production of creped paper in a paper machine having a cylinder with an adhesive coating to which the web adheres. The web is divided in conjunction with the cylinder by one partial-width web being detached by scraping from the outer surface at a first web-detaching point while the other partial-width web, still adhered to the outer surface, accompanies this surface to a second web-detaching point situated downstream, to be detached by scraping from the outer surface, at least one partial-width web being creped off. The invention also relates to a apparatus and a paper machine including such a apparatus having doctor blades forming the web-detaching points. | ||||||
| 67 | Method and device for web cutting in the former of a paper machine | US99066 | 1993-07-27 | US5908534A | 1999-06-01 | L. Hans-Erik Larsson; Dieter Eickeler; Jorg Reine |
| A method and device for cutting a paper web (9) in a twin wire former (1) is described, said web being formed between two forming fabrics (4, 5) while wrapping a section of a forming roll (3), and the web cutting being carried out with the aid of jet cutters (10, 11) discharging jets of pressure medium so that a paper web of final width is obtained and, when applicable, a tail in the web. The jet cutters (10, 11) are arranged at the forming roll (3) so that the web cutting is carried out in the web at a point where the recently formed paper web (9) and the forming fabrics (4, 5) together wrap said section of the forming roll (3) in a sandwich structure. | ||||||
| 68 | Apparatus and method for removing paper web trim from a forming wire | US413359 | 1995-03-30 | US5512136A | 1996-04-30 | Mustafa N. Altug; Leo J. Robert |
| A plurality of spaced knock-off shower nozzles are located adjacent to an edge of a paper web forming wire to provide knock-off sprays which will remove trim strips from the wire. A control is provided to separately and independently control the spray nozzles so that the operator can adjust the number of nozzles being sprayed in accordance with the width of the trim strip. | ||||||
| 69 | Method of treating the edges of a fiber web | US258088 | 1994-06-10 | US5507916A | 1996-04-16 | Christian Schiel |
| A method of treating the edges of a fiber web is provided wherein a pressing device device conveys and presses a fiber web through a pressing gap of a pressing station of the device. The station includes a pressing roll and a counter roll. The pressing roll has a roll shell. A pressing shoe is disposed within the roll shell and pressing units are disposed substantially along a width of the pressing shoe transverse to the direction of movement of a fiber web through the pressing station. The pressing units press against the pressing shoe which in turn presses a pressing surface of the shoe against an inner surface of the roll shell in a series of zones. The pressing units including pressing/pressure relief elements. The pressing force of the pressing/pressure relief elements is reduced in a step-wise fashion, zone-by-zone, from a normal operating level to a lower level in a region that includes the fiber web edges and the pressing shoe ends. | ||||||
| 70 | Method and apparatus for reducing the energy consumed when drying a paper web | US615997 | 1984-05-31 | US4560438A | 1985-12-24 | Lars E. K. A. Tell; Carl C. E. Johannesson |
| A method and apparatus which reduces the amount of energy consumed in drying a paper web are disclosed. The reduction is accomplished by trimming the paper web while it is being conveyed on a moving fabric to divide the formed web into a trimmed web and couch trimmings respectively. Thereafter, suction is applied in the area where the pick-up of the trimmed web from the fabric is accomplished so as to deflect the portion of the felt on which the couch trimmings lie. As a result, only the trimmed web is conveyed to the drying section so that no energy is expended in drying the couch trimmings. The apparatus and method is particularly applicable to the manufacture of paper having a low grammage (basis weight) since contact between the couch trimmings and the pick-up felt is avoided. | ||||||
| 71 | Trim separator | US444146 | 1982-11-24 | US4462722A | 1984-07-31 | Imants Reba |
| Apparatus for removing trim from a conveying fluid medium including a conduit defining a generally rectangular shaped exit opening. A fluid flow attachment plate leads from the opening for redirecting movement of the fluid medium. A screen for interrupting movement of the trim and separating it from the fluid medium is attached to the fluid flow attachment plate. | ||||||
| 72 | Adjustable orifice air knife | US900141 | 1978-04-26 | US4270702A | 1981-06-02 | Charles B. Nicholson |
| An adjustable orifice fluid knife utilizing a fluid such as air and including a supporting structure adapted to be connected to a source of fluid. A passage network is on the supporting structure terminating in an opening for transmittal of fluid from the fluid source and out of the opening. A nozzle assembly is on the supporting structure in alignment with the opening for directing the flow of fluid therefrom in a controlled high velocity stream capable of acting as a knife. The nozzle assembly includes a fixed plate on one side of the opening at a predetermined angle with respect to the opening. A bar assembly is on the opposite side of the opening and includes an adjustable blade on the bar assembly responsive to adjustment structure to be angularly shifted with respect to the opening and the fixed plate to a variety of different positions along its length thereby providing for a range of orifice sizes along the length of the blade in alignment with the opening for passage of fluid therethrough. | ||||||
| 73 | Papermaking drainage fabric and stock inlet combination for producing even edged paper web | US3652390D | 1970-02-10 | US3652390A | 1972-03-28 | PETERSON LEROY L |
| In the paper forming art an arrangement of a stock slurry inlet and a belt of drainage fabric; the drainage fabric has liquid impermeable bands positioned inwardly of its side edges and the inlet discharges the stock slurry onto the fabric including the bands. The effect of the bands is to terminate the formed paper web sidewardly along the inner edges of the bands and to provide edges of the sheet which need not be trimmed. The arrangement has particular utility where sheet formation is between two fabrics and there is little room for positioning the usual flow restricting shoes, and is advantageous also in providing for uniform basis weight across the sheet width. The liquid impermeable bands may be one-fourth to three-eighths inches in width and the side edges may be 1 to 2 inches in width.
|
||||||
| 74 | Machine for manufacturing insulating-boards from fibrous material. | US3826215 | 1915-07-06 | US1151563A | 1915-08-31 | BROWN ALFRED G |
| 75 | Manufacture of paper and apparatus therefor. | US1907356575 | 1907-02-09 | US932430A | 1909-08-31 | BERTI CIRO |
| 76 | Method of manufacturing perforated sheets of wood-pulp. | US1901085894 | 1901-12-14 | US728804A | 1903-05-19 | LINDBERG GUSTAF SAMUEL |
| 77 | Manufacture of pails | US396198D | US396198A | 1889-01-15 | ||
| 78 | Sheet processing apparatus and image forming system for correcting posture of folded sheet bundle | US14601937 | 2015-01-21 | US09863092B2 | 2018-01-09 | Keisuke Oshima |
| A sheet processing apparatus which vertically conveys a sheet and performs sheet processing, the sheet having a folded part at a middle portion thereof and being in a vertical state with the folded part up and an edge part down, and the apparatus including: a supporting section which supports the folded part of the sheet from below; a sandwiching section which sandwiches both sides of the sheet supported by the supporting section; and a control section which controls the sandwiching section to execute a first sandwiching operation of sandwiching the sheet, to release the first sandwiching operation, and thereafter to execute a second sandwiching operation of sandwiching the sheet again. | ||||||
| 79 | Apparatus and method for cutting a material web | US13927207 | 2013-06-26 | US09469495B2 | 2016-10-18 | Roman C. Caspar |
| The invention relates to an apparatus and method for cutting a material web in a papermaking machine. The apparatus includes a cutting device, an upper holding device and an upper positioning device, the cutting device being fixed above the upper positioning device on the upper holding device such that it can be moved in the cross-machine direction. The apparatus additionally includes an air guide box that is fixed above the material web, likewise on the upper holding device. | ||||||
| 80 | SHEET MANUFACTURING APPARATUS | US15057514 | 2016-03-01 | US20160258112A1 | 2016-09-08 | Katsuhito GOMI; Shigeo FUJITA |
| A sheet manufacturing apparatus includes a crusher unit, a defibrator unit, a second web forming unit, and a shaping unit. The crusher unit coarsely crushes a raw material that contains fibers into coarsely crushed pieces. The defibrator unit defibrates coarsely crushed pieces into defibrated material. The second web forming unit forms a web by accumulating defibrated material. The shaping unit forms a sheet from the web. The crusher unit is positioned vertically below the shaping unit. | ||||||
QQ群二维码
意见反馈
意见反馈