| Patent Number |
Title Of Patent |
Date Issued |
| 5922128 |
Applicator device for coating running webs |
July 13, 1999 |
| In a device for the coating of a running web of paper or cardboard, provisions are that in a press gap formed between two rolls a coating substance applied in a very small quantity on the surface of the one roll is first pressed on the web leaving a very thin coat on the web which, h |
| 5914009 |
Double wire sheet former |
June 22, 1999 |
| A two-wire former of a papermaking making machine has the following characteristics: (1) two continuous, loop-shaped wires (1, 2) form together an inlet gap for the paper pulp suspension; (2) a sheet forming zone has a section in which both wires are guided parallel to each other; (3 |
| 5885350 |
Coating device for webs of paper or board |
March 23, 1999 |
| The invention concerns an applicator mechanism for the coating of running webs of paper or cardboard, with an applicator chamber which carries at least 0.01 bar of pressure, is formed on a roll and defined in running direction by a doctor element on the trailing side of the coating chamb |
| 5855051 |
Method for manufacturing a split flange driver for a cardan joint |
January 5, 1999 |
| A flange driver for a cardan joint with a spider comprised of two pins mutually offset by 90.degree. and two essentially same-design yoke halves. Each yoke half includes a base and a bearing part with a bore contained in it. Both yoke halves abutt along an interface which is essentially |
| 5804037 |
Multiply headbox nozzle with heavy end convergence |
September 8, 1998 |
| A nozzle of a multilayer headbox wherein the headbox includes a nozzle for distributing the stock suspension on a wire. The nozzle is subdivided by at least one machine-wide fin, the fin forming with the nozzle at least two machine-wide nozzle ducts. At least the mean value of the cleara |
| 5766107 |
Continuous hydrostatic power division transmission |
June 16, 1998 |
| A continuous hydrostatic-mechanical power division transmission has at least two operating ranges between which it is switched by shift elements, with a first, mechanical part (II) including a planetary differential gear (13) and a second, hydrostatic part (I) including two power-linked |
| 5730841 |
Two wire former for paper making machines |
March 24, 1998 |
| A two-wire former for producing a web of fibrous material, in particular a paper web, is designed as a gap-former with the following characteristics: a first and a second wires form together a twin wire; a headbox injects the pulp directly between the two wires; at least one first dewate |
| 5718805 |
Twin wire former |
February 17, 1998 |
| In a twin-wire former for the production of a paper web, two wire belts (11 and 12) together form a twin-wire zone which is divided into three sections (I, II and III). In the first section (I) the two wires (11, 12) travel over a curved forming shoe (16), or a forming roll (40). They fo |
| 5717262 |
Cooling apparatus for an AC generator |
February 10, 1998 |
| A cooling apparatus is provided for an AC generator, particularly for a transverse-flow generator having a stator with at least one armature winding, as well as a rotor disposed opposite the armature winding. Collector rings are secured to a carrier disk attached to a rotor shaft. Th |
| 5707495 |
Headbox for papermaking machine with more uniform flow |
January 13, 1998 |
| A headbox for a papermaking machine with an outlet slot that distributes pulp suspension over the, working width of the papermaking machine. For controlling operating parameters of throughput, pulp density and fiber quality of the suspension over the width of the machine, the headbox has |
| 5707489 |
Processing wastepaper containing waxes, hot melts and adhesives |
January 13, 1998 |
| A method of processing recycled paper which contains such a high amount of wax, hot melts or stickies that they would be expected to cause a stoppage of the paper-manufacturing machine. The paper to be recycled is pulped in a pulper and passed on to respective subsequent stages which inc |
| 5702760 |
Process for coating running webs |
December 30, 1997 |
| A coating system for material webs, specifically of paper or cardboard, includes two mutually parallel rolls directly coordinated with each other, the rolls having a mutually variable spacing such that the rolls can be positioned to create a press gap for coating the web, or so as not to |
| 5694961 |
Device and method for changing the flow resistance of a fluid flow control device |
December 9, 1997 |
| An apparatus and method for variably controlling fluid flow in a closed flow line, especially the flow of a pulp suspension through a headbox of a paper-making machine, includes guiding fluid through a cavity of a conduit having at least two different cross-sectional profiles. Fluid flow |
| 5690298 |
Pope reel for a paper machine |
November 25, 1997 |
| A Pope reel for winding a running paper web into a paper roll on a paper machine. The web is wound on a webwide king roll, which web wraps around the king roll on part of its circumference. A magazine holds a number of winding drums, each of which serves as a winding core. A pair of swiv |
| 5670835 |
Cooling apparatus for an AC generator |
September 23, 1997 |
| A cooling apparatus is provided for an AC generator, particularly for a transverse-flow generator having a stator with at least one armature winding, as well as a rotor disposed opposite the armature winding. Collector rings are secured to a carrier disk attached to a rotor shaft. Th |
| 5647960 |
Press section and method for starting and operating thereof |
July 15, 1997 |
| A press section of a paper machine includes a pick-up roll, a take-off felt looping about at least the pick-up roll and a connected first pressing element, and a counter element assigned to the first pressing element. The counter element and the first pressing element define a first pres |
| 5639352 |
Headbox lamellae and method for reducing turbulence thereabout |
June 17, 1997 |
| A method and apparatus for reducing turbulence in a pulp flow stream flowing through a paper making machine headbox includes providing lamellae disposed in a portion of the headbox. A lamella end portion is modified which provides for the flushing of a dead space formed in the wake of th |
| 5638960 |
Sieve |
June 17, 1997 |
| A screen for sorting fiber suspensions comprising a plurality of screen perforations having a hole type design, with each screen perforation having an ingress area and an egress area for the flow of fiber suspensions, wherein the ingress area is rounded to a convex curvature. The con |
| 5622603 |
Influencing the jet velocity in the multilayer headbox |
April 22, 1997 |
| The invention concerns a method of controlling the relative flow speed of the layers in a multi-layer headbox with laminae mounted torque-free between upper and lower lips which are stationary when in operation. The invention is characterized in that a difference in speed is produced |
| 5622052 |
Double-flow hydrostatic radial piston engine with axial flow, thrust compensation, and shaft bea |
April 22, 1997 |
| A hydrostatic radial piston engine with two rotors that are supported on an axle so that they can rotate easily thereon. The rotors have a plurality of radial bores with displacement elements (pistons with slide ring) therein, sliding on the inside of a piston ring. The bores are connect |
| 5609726 |
Headbox and method for producing multilayer and multi-ply paper webs |
March 11, 1997 |
| A multilayer headbox of a paper machine for producing a paper web with several layers having different properties, and an appropriate method therefor. In at least one first layer there is adjusted alone the fiber orientation cross profile and in at least one second layer there is adj |
| 5603807 |
Paper machine headbox with longitudinally shiftable contoured wall |
February 18, 1997 |
| A headbox of a machine for producing a fiber web from a pulp suspension which travels in a flow direction through the headbox has a first chamber into which a pulp suspension is introduced, a second chamber provided downstream of the first chamber, and at least two walls provided in a |
| 5599428 |
Headbox nozzle with heavy end convergence |
February 4, 1997 |
| A nozzle of a multilayer headbox wherein the headbox includes a nozzle for distributing the stock suspension on a wire. The nozzle is subdivided by at least one machine-wide fin, the fin forming with the nozzle at least two machine-wide nozzle ducts. At least the mean value of the cleara |
| 5584772 |
Infinitely variable hydrostatic torque-routing transmission |
December 17, 1996 |
| An infinitely variable hydrostatic torque-routing transmission with at least two operating ranges shiftable via switching elements includes a first, mechanical part, including a planetary differential gear, and a second, hydrostatic part, including two adjustable hydrounits. The hydr |
| 5582514 |
Sickleless internal gear pump |
December 10, 1996 |
| A sickleless internal gear pump with an internally toothed ring gear and a pinion meshing with the ring gear, the two fitted rotatably in a common casing. The ring gear includes radial conduits for the medium to be pumped and elements which are radially movably fitted in grooves in the t |
| 5582262 |
Selectively connectable engine for a vehicle having an electric drive motor |
December 10, 1996 |
| A drive device has the following components: a connecting device that can be connected to an electric power supply, the connecting device being connected to a power converter; a first drive aggregate in the form of an electrical drive motor which is connected to the power converter; a se |
| 5582075 |
Double-counterpoised flywheel for an internal combustion engine |
December 10, 1996 |
| A double-counterpoised flywheel for an internal combustion engine. A counterweight is disposed on the engine side and another counterweight is disposed on the transmission side, both counterweights allowing limited mutual rotation through the intermediary of elastic members. A damping |
| 5569326 |
Device for applying and dosing liquid or pasty materials |
October 29, 1996 |
| A device for applying and dosing liquid or pasty materials onto moving surfaces, especially onto paper or cardboard webs, is provided. The invention is characterized by a roll, optionally with an outer shell, the diameter of which can be controlled by the application of energy and, u |
| 5565064 |
Paper machine wet forming section and method of operation thereof |
October 15, 1996 |
| In order to independently influence the dewatering performance of a wet forming section of a paper machine as well as the quality of a web produced by the machine, a paper machine head box is mounted on a swiveling device adapted to move a nozzle of the head box around a periphery of |
| 5565063 |
Device and method for choking a stock suspension flow in a paper machine |
October 15, 1996 |
| A throttle device for stock suspensions in a paper machine including a feed line, a drain line and a spatially variable cavity connecting the feed line and drain line with each other. The cavities provided with a plurality of nestable walls in which the nesting effects a lengthening of |
| 5554267 |
Wire section of a machine for making fibrous material webs |
September 10, 1996 |
| A wire section of a machine for making a fiber web, with two continuous wires forming together a twin-wire zone. A dewatering element is pressable on the inside of the wire with at least one surface. The dewatering element features in the direction of travel of the fiber suspension, in |
| 5547423 |
Universal joint of a cardan shaft suited for transmission of high torques |
August 20, 1996 |
| A universal joint attached to a cardan shaft and adapted for transmitting high torques. The universal joint includes two yokes, with each yoke having two bearing bores. A spider has a plurality of journals which are respectively disposed in the bearing bores. Each journal defines a c |
| 5540573 |
Sickleless internal gear pump having sealing elements in tooth heads |
July 30, 1996 |
| The invention is directed to a sickleless internal gear pump with an internal ring gear and a pinion meshing with the ring gear. The ring gear has radial apertures for the medium being pumped, and sealing elements radially movably disposed in an appropriate profile groove, and inserted |
| 5529629 |
Applicator system for application of color coating on a paper web |
June 25, 1996 |
| An applicator system for applying color coating on a paper web is disclosed having a color coating applicator along with a backing roll around which is wrapped the paper web. A measuring system is incorporated for measuring a predetermined property of the color coating at several points |
| 5527433 |
Device and method for choking a stock suspension flow in a paper machine |
June 18, 1996 |
| A throttle device for stock suspensions in a paper machine including a feed line, a drain line and a spatially variable cavity connecting the feed line and drain line with each other. The cavities provided with a plurality of nestable walls in which the nesting effects a lengthening of |
| 5507916 |
Method of treating the edges of a fiber web |
April 16, 1996 |
| 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 |
| 5505821 |
Turbulence insert of a papermaking machine |
April 9, 1996 |
| A turbulence insert of a headbox of a papermaking machine is provided that includes a bundle of channels for guiding the suspension of materials from a first region to a second region. The channel bundle is comprised inpart of edge channels that have no adjacent channel on at least one |
| 5505776 |
Coating system for coating traveling webs of material |
April 9, 1996 |
| The invention concerns a coating system with at least one web support roll and at least one corresponding metering roll coordinated with it and having a grooved surface essentially in peripheral direction or in the form of a threading, for metering the coating substance in the gap ex |
| 5500092 |
Press unit of a paper machine for the manufacture of tissue paper |
March 19, 1996 |
| The invention is directed to a press system of a paper machine for making tissue, including a crepe drying cylinder, a press roll with a smooth surface, an extended-shoe press unit, and a press roll fashioned as a suction roll or grooved roll. A first press gap is formed by the press |
| 5499910 |
Internal gear pump having a stop for a sickle-shaped filler part |
March 19, 1996 |
| Internal gear pump with an internal gear, a thrust plate arranged on each side of the internal gear, a powered external pinion arranged eccentrically relative to the internal gear and meshing with it, and a sickle-shaped, floating filler part split in peripheral direction and bearing |
| 5496406 |
Coating device having infrared and suspension drying sections |
March 5, 1996 |
| A device for coating a paper web includes two applicator rolls disposed parallel to one another, forming a roll gap for the passage of a paper web therethrough. At least one applicator for applying a coating onto a surface of at least one of the rolls is also provided. The coating roll |
| 5492225 |
Sorter having a housing with conical shaped end wall |
February 20, 1996 |
| A sorter with a symmetric screen which is arranged concentrically in an essentially symmetric housing, and in the interior of which there is contained a concentric rotor drum that features on its periphery sorting elements sweeping across the screen, circulating at least parts of the |
| 5487715 |
Roll with vibration damper |
January 30, 1996 |
| A roll for the preparation or treatment of fiber webs includes a fixed central axis, a roll shell adapted to rotate around the fixed axis and a first chamber disposed between the central axis and the rotatable roll shell. The first chamber is filled with liquid which can transfer a h |
| 5486270 |
Angularly adjustable drainage foil for paper machines |
January 23, 1996 |
| An angularly adjustable drainage foil for paper machines. A facultatively two-part support structure extends across the machine width, and comprises a first beam and a backing shape mounted on it. A facultatively two-part cover strip extends across the machine width, and consists of an u |
| 5477624 |
Two-wire cylinder dryer |
December 26, 1995 |
| In a two-wire cylinder dryer, the wire guide rolls are so arranged that the web and wire proceed jointly from the first cylinder to the wire guide roll. An air carrier box is arranged in the shaft contained between two cylinders. The air carrier box has an air channel connecting the area |
| 5474608 |
Applicator for application of coating color on a paper web |
December 12, 1995 |
| An applicator for application of coating color on a paper web, including an applicator; a backing roll which wraps the paper web; an entrance gore formed between backing roll and applicator, and an outlet gore. A doctor follows the outlet gore for removing surplus coating color (doctor |
| 5472504 |
Coating device for running webs of paper or cardboard |
December 5, 1995 |
| A coating device having a blade for metering a coating material onto a running web of paper or cardboard guided by a roll includes at least one noncontacting sensor disposed near the blade and between apparatus for adjusting the transverse profile of coating. The sensor provides a signal |
| 5469636 |
Device for selective treatment of material webs |
November 28, 1995 |
| A device for treating material webs includes first and second neighboring drying cylinders separated by an intermediate space. The intermediate space has a length substantially equal to about twice the diameter of the largest of the first and second cylinders. The device includes at leas |
| 5468349 |
paper machine wire and pressing sections with impervious pressing belt |
November 21, 1995 |
| A wet portion of a paper machine, including a wire section and a pressing section has a plurality of roll presses. Each roll press includes two rolls defining a press nip. A water impervious belt having a smooth, non-porous surface is disposed in a continuous loop about at least two |
| 5466372 |
Cyclone including an inlet diffuser tube |
November 14, 1995 |
| A wet cyclone having a slender body with a truncated cone at an end thereof includes a heavy fraction outlet at an apex of the truncated cone and an immersion tube on the other end of the body. The immersion tube is cylindrical for withdrawal of a light non-gaseous fraction. A diffuser |
