Class 162/299 - Longitudinally spaced points of application

Subclass of Class 162 - Paper making and fiber liberation
Definition: Apparatus in which the foraminous molding surface is endless
No. of patents: 25
Last issue date: 02/19/2008

Number	Title	Issue Date
7332060	Twin wire former Twin-wire former for producing a fibrous web. The former includes two endless wire belts arranged to form a twin-wire zone, a dewatering element, and a headbox positioned at an angle relative to an imaginary first horizontal plane. The twin-wire zone includes a firs...	02/19/2008
7005037	Device for detaching a paper web from a wire 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 r...	02/28/2006
6881302	Former for use in paper production A paper former comprises two wires which converge for defining a paper production gap and a plurality of dewatering blades arranged in the paper production gap in a paper producing direction and brought into sliding contact with one of the two wires so that a stock ...	04/19/2005
6342125	Multi-ply web forming method and apparatus and a multi-ply paper or board product formed hereby A multi-ply web forming method and apparatus are disclosed for forming a top ply onto a base ply. A fiber suspension jet is by means of a secondary headbox (21; 21', 26) delivered into a twin-wire roll nip created by two tensioned wires (16, 22; 16', 22';...	01/29/2002
6251226	Apparatus for manufacturing papers with watermarks or patterns An apparatus for obtaining watermarks or patterns in paper or cardboard while being formed on a formation tape or table in a paper or cardboard manufacturing plant, comprising: a primary fibrous mix source for storing a primary fibrous mix; at least one manifo...	06/26/2001
5958189	Wet part of a paper making machine A wet part of a paper making machine includes a distributor to which a main stream of a stock suspension is fed and which has a number of connections. The connections are connected by means of split stream lines to a machine-wide flow box which has a mach...	09/28/1999
5064502	Multi-ply web former A paper forming apparatus has a lower looped forming wire disposed for a portion of its travel over a curved apron board. The paths of forming wire travel upstream and downstream of the apron board diverge. Such divergence allows a secondary headbox to be...	11/12/1991
5011575	Inclined multiplyformer A papermaking machine including the combination of an endless moving screen having an upwardly-inclined run, a primary open headbox for supplying a moving stream of a primary liquid slurry into contact with the screen for forming a first sheet-like struct...	04/30/1991
4504358	Apparatus for handling white water in a twin-wire machine In order to produce a reduction in the content of suspended matter in the surplus white water in a twin-wire machine with a curved forming zone, an outer saveall for collecting white water thrown outwardly from the curved forming zone is divided up into a...	03/12/1985
4474645	Secondary headbox for cylinder machine A conventional Oliver board forming machine is provided with a second trough which places a second slurry of fibrous material on the Oliver roll to form a board structure of two separate distinct layers. The second trough has an inclined chute forming the side...	10/02/1984
4430159	Twin-wire papermaking machine A twin-wire papermaking machine contains a region having two wires guided in mutual contact with one another and at which there is located at least one stock infeed device. The stock infeed device possesses the form of a box or cabinet member having an op...	02/07/1984
4427491	Apparatus for controlling the deposition of a liquid on to a moving surface A jet of liquid (3) is deposited from a reservoir outlet (2) on to a moving surface (4) located below the outlet. Deposition is effected by discharging a jet of the liquid on to the underside of a curved guide member (5) which is disposed between the outl...	01/24/1984
4425187	Twin-wire papermaking machine A twin-wire papermaking machine contains a headbox for forming a first fiber ply which is essentially downwardly dewatered at a section of a first wire. At the end of this wire section, forwardly or upstream of the inbound or on-running location of a seco...	01/10/1984
4416730	Wire end section of a paper making machine The disclosure concerns the wire end section of a paper making machine. The wire belt is an endless loop and the pulp suspension is supplied by one or more head boxes. The head box has an upstream and a downstream flow guide wall defining a pulp outlet op...	11/22/1983
4381219	Headbox arrangement for a papermaking machine A headbox arrangement for a papermaking machine contains a plurality of headboxes forming a group, these headboxes being arranged either essentially in parallelism with regard to one another or in fan-like or spread apart configuration. Between each two n...	04/26/1983
4294655	Method and apparatus for forming fiberglass mats A machine and method of forming fiberglass mats. Chopped glass fibers are mixed with water in a slurry and a movable screen is passed, generally upwardly, through a slurry. As the screen is moved, its surface is uniformly coated with the glass fibers in a...	10/13/1981
4239591	Manufacture of an non-laminated paper web having regions of increased thickness A non-laminated paper sheet product characterized by regions or islands of increased thickness, usually located in the center of the sheet for more economical use of the paper product and for conservation of wood pulp. The regions of increased thickness a...	12/16/1980
4194946	Process for continuously preparing fiber reinforced cement Fiber reinforced cement is continuously prepared by forming a conveyor by connecting a plurality of suction boxes each having a perforated plate, contacting the perforated plates of the suction boxes with a filter cloth and moving the suction boxes with t...	03/25/1980
4158596	Traveling wire web former An apparatus and method of forming a continuous fibrous paper web by depositing the stock onto a forming run of a fourdrinier wire while dewatering the stock and collecting water beneath the wire and depositing the stock onto the wire from a spray or floo...	06/19/1979
4149930	Method and apparatus for making asbestos-cement boards An improvement in the method and apparatus for fabricating asbestos-cement boards, wherein a felt band coated with fiber fleece is fed to a pair of press rollers in nip relationship and wherein the coating of the felt band with fiber fleece is effected by...	04/17/1979
4048008	Method of and apparatus for forming sheets of fibrous material between converging sieves A technique for forming single or multi-layer sheets of fibrous material having a controllable fiber distribution is described. A pair of spraying rollers each having a system of circumferentially spaced radial vanes on its surface are supported within th...	09/13/1977
3992252	Curtain coating apparatus for the manufacture of paperboard A coating of liquid starch is applied to a travelling paper web by an application comprising an elongate hollow box structure having a horizontal slot outlet along one side. Starch solution is forced from the chamber horizontally through the slot outlet t...	11/16/1976
3985612	Paper making system including forming fabrics and porous forming cylinders A paper forming machine includes at least one porous rotatable cylinder. An inner forming fabric or media in mesh form (hereinafter referred to as "inner forming media") is guided through a path around the cylinder and has a straight portion immediately b...	10/12/1976
3979254	Secondary headbox for overlay application in board formation A secondary headbox is described which is capable of handling water slurries of relatively high solids consistencies and applying the slurries to a base sheet as it is being formed on conventional fourdrinier equipment in the manufacture of a board produc...	09/07/1976
3951736	Single-layer and multi-layer paper making apparatus A paper making apparatus for producing sheets of paper at speeds in excess of 200 m/minute. A breast roll and a wire cage turning cylinder are disposed above and below a forming roll. The forming roll is a hollow roll having a smooth surface. A belt passe...	04/20/1976

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Class 162/299 - Longitudinally spaced points of application