Class 209/411 - Rim

Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Devices or means which are applied to or bearing on the
No. of patents: 35
Last issue date: 06/24/2008

Number	Title	Issue Date
7389882	Multi-hardness composite screen frame A self-cleaning screen assembly for a vibratory separator is disclosed. The self-cleaning screen assembly includes a peripheral frame having a top mounting surface to which at least one screen cloth is affixed and a bottom mounting surface to which a flow through su...	06/24/2008
7063214	Interlocking screens for vibratory separators Interconnectible screen assemblies for vibratory separators or shale shakers and methods for manipulating such screen assemblies which, in certain aspects, include a first screen assembly and a second screen assembly positioning at least a portion of the first scree...	06/20/2006
6708829	Method and device for joining screens A screen is described wherein one end of the screen frame is provided with an upwardly open channel profile and the other end with a similar but downwardly open channel profile, such that the outboard edge of an upwardly open profile will fit within the channel of a...	03/23/2004
6669028	Cylindrical screen In a cylindrical screen, a screen body has a height greater than its diameter, and is formed of a plurality of portions spaced apart from each other in a direction of the height. Each portion has slits laterally and vertically spaced apart from each other...	12/30/2003
6521096	Screen and method for manufacturing a reinforcement element for a screen plate A screen, such as a drum screen or a flat screen, for screening or fractionizing pulp suspensions or the like suspensions of the pulp and paper industry. The screen comprises a reinforcement attached to the surface of the screen plate, such as a reinforci...	02/18/2003
6513665	Screen mounting system A screen system employs a resiliently mounted housing, a vibration generator mounted to the housing, a mounting frame fixed to the resiliently mounted housing and a support surface. This system receives a screen including a screen frame and pre-tensioned ...	02/04/2003
6425486	Cylindrical screen and a method of manufacturing it In a pressure screening device for separating undesired particles from a fibre suspension a cylindrical screen (2) is provided. The screen has an outer side and an inner side and is provided with a plurality of projections (19) on the outer side of the sc...	07/30/2002
6393997	Aerator pad assembly for railway hopper cars An aerator pad assembly having an aeration pad with a number of cutouts forming a shaped perimeter, is provided. The aeration pad may include a number of supports providing which provide air flow paths between the aeration pad and an associated aeration p...	05/28/2002
6053329	Vibratory frame mounting structure for screening machines A mounting structure for a screen frame and/or a top cover to a vibratory frame of a screening machine requires only an initial one time adjustment and includes a pair of elastomeric restraints each including a compressible bumpers on a head-end of the sc...	04/25/2000
6051103	Paper-making screen apparatus A paper-making screen apparatus for separating foreign matters from paper-making raw materials is formed of a screen having a first annular end plate located at an end; a second annular end plate located at the other end thereof, having a plurality of ope...	04/18/2000
6047834	Process for the manufacture of a sifting device with slit-shaped openings and an appropriately manufactured sifting device Process for manufacturing a sifting device (or strainer baskets) for use in, e.g., in the paper industry for sorting and/or filtering fiber pulp suspensions. Sorter slits may be created between a plurality of substantially parallel rods inserted into resp...	04/11/2000
6021905	Screen cylinder with reinforcing rings and method of manufacture thereof A screen cylinder, screen, method of manufacture of the screen cylinder, and method of use of the screen cylinder, allow screen capacity to be maximized without sacrificing screen cylinder strength, and while achieving a clean accepts flow. A screen cylin...	02/08/2000
5823355	Fibresaver screen basket support A support structure for thin screenplates utilized for fine screens in Fibresaving applications for pulp fiber suspensions or the like wherein a support structure having a screen support in minimum screen contact positioned by a support reinforcement and ...	10/20/1998
5804075	Papermaking screen having first and second annular supports with immovable space holding and parallel elongated member extending there between A papermaking screen of the invention is formed of first and second annular supporting members having a plurality of first and second recesses, and space holding members fixed to the first and second annular supporting members to establish a predetermined...	09/08/1998
5791495	Paper pulp screen cylinder A plurality of like wedge bars are formed with a groove between two lands. The wedge bars are assembled into a cylindrical screen, with the grooves defining screening slots of a uniform width. The wedge bars may be electron beam welded or furnace brazed t...	08/11/1998
5630514	Cage type cyclone fine screen device A cage type cyclone fine screen device having an overflow pipe (2), a feeding section (3), an undersized section (6), a conical section (7), a cage type screen (5) and an integrated cylindrical section (4). The cage screen is fixed by installing the upper...	05/20/1997
5622266	Garden sieve for wheelbarrow A garden sieve for a wheelbarrow has a collar frame adapted to conform to and fit loosely on the rim of a wheelbarrow. A sieve frame connected to the collar frame supports a wire screen adapted for sifting granular material. A motor can be connected betwe...	04/22/1997
5605234	Paper making screen plate A paper making screen plate 1 includes first and second support members 31, 32, a plurality of longitudinal members 33 each having an end fixed to the first support member 31 and the other end fixed to the second support member 32, respectively and annula...	02/25/1997
5595306	Screening system A screening system having a resiliently mounted housing with a screen extending thereacross. The housing is vibrated by a low frequency vibratory drive using eccentric weights. About the peripheral frame of the screen, a high frequency drive or drives is ...	01/21/1997
5595307	Method of making a screen cylinder, and a screen cylinder A method of making a screen cylinder, in which method mesh wires (2) are arranged next to one another and attached inside the ring-shaped supporting rods (3) to provide a cylindrical mesh surface, and a screen cylinder which includes mesh wires (2) arrang...	01/21/1997
5586662	Basket for a paper-making screen and method for producing same A basket for a paper-making screen is formed of a plurality of rod-shape members with a circular cross section, a first supporting member having a plurality of first receiving portions arranged annularly in predetermined constant intervals, and a second s...	12/24/1996
5513757	Continuous cut slotted screen basket A continuous cut slotted screen basket for removing contaminants from papermaking stock is disclosed. The screen basket has a wall member with first and second sides. Blind parallel first slots are cut into and are spaced across the first side. The first ...	05/07/1996
5485924	Centrifugal sifter and elements thereof A centrifugal sifter having a rotatable shaft with an auger and paddles located thereon. An inlet manifold presents material to be sifted to the auger. A cylindrical screen surrounds the paddles and is in turn confined within an outlet manifold where mate...	01/23/1996
5464101	Screening arrangement The invention provides for a screen support frame component, and for a screen support frame including such a component, in which the component comprises an elongate bar having at least one tubular element affixed thereto. The tubular element defines a soc...	11/07/1995
5456365	Vibratory screen separator A vibratory screen separator using screens with screen frames. The resiliently mounted housing has a first wall portion having an upper edge and a second wall portion above the first wall portion having a lower edge, the upper and lower edges being mutual...	10/10/1995
5116490	Rotary screen apparatus for use with cooling towers An improved rotary screen for high volume water screening includes a rectangular truss having a forward bearing surface supporting a rotary screen element supported by a central rotating hub and a plurality of radial beams connecting to a peripheral beam....	05/26/1992
5094360	Screen basket The invention concerns screen baskets featuring axially parallel screen rods with screen slots contained in between and, for support of the screen rods, rings that are coaxial with the basket axis, the rings being provided with recesses that are open towa...	03/10/1992
5090721	Process for manufacturing a screen basket and screen basket made by this process This invention concerns a process for making rotationally symmetric screen baskets featuring axially parallel bars with screen slots contained in between and, for support of the bars, rings that are coaxial with the basket axis, the rings being provided w...	02/25/1992
5041214	Wave screen plate A paper pulp screening apparatus wherein a modular cylindrically-shaped screen plate is formed of a thin material of uniform thickness bent to form an undulating shape to increase the screening area, and the screen plate is supported by cylindrical-backin...	08/20/1991
5011065	Screen basket and method of manufacture A screen basket comprising a plurality of rods each positioned approximately parallel to the rotational symmetrical axis of the basket, a plurality of rings for connecting the plurality of rods, wherein the plurality of rods form screen slots therebetween...	04/30/1991
4973407	Filter for filtering liquids A filter for filtering liquids is proposed, in which the filter fabric along an arcuate path is mounted on a bearing element concomitantly rotating with the filter fabric. The bearing element is constituted by a rotatably mounted ring, which is mounted on...	11/27/1990
4957618	Vertical screening device Vertical screening device (1) having at least one cylinder screen (2) and connectible with its lower end portion (8) to a similar screening device or a drive unit and, with its upper end portion (7), to a similar screening device or a distributor device. ...	09/18/1990
4954249	Wave screen plate A paper pulp screening apparatus wherein a modular cylindrically-shaped screen plate is formed of a thin material of uniform thickness bent to form an undulating shape to increase the screening area, and the screen plate is supported by cylindrical-backin...	09/04/1990
4544486	Cyclone separator Cyclone separator having a separating chamber with first, second and third contiguous cylindrical portions arranged in that order and of progressively decreasing diameter, tangential feed inlets to the first cylindrical portion and two outlets each arrang...	10/01/1985
4417978	Centrifugal screening device A centrifugal screening device comprises a cylindrical screen surrounded by a cylindrical casing spaced radially from the screen. A central shaft inside the screen carries a plurality of blades which are inclined so that material fed into one end of the s...	11/29/1983

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Class 209/411 - Rim