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| Number | Title | Issue Date |
| 7980393 | Vibrating screening machine A vibrating screening machine for grading bulk materials and the like, with a housing and two sidewalls on which at least one screen deck is mounted on which a screen lining is retained, and a drive means to cause the screen deck to vibrate. Via a material feed, bul... | 07/19/2011 |
| 7249677 | Dual hardness composite screen frame A screen assembly for a vibratory separator includes a composite screen frame that has a rigid support section formed from a polymer material and a cushioned strain relief zone. The strain relief zone is located along the inner periphery of the rigid support section... | 07/31/2007 |
| 7175027 | Shaker screen and clamping system A screen assembly, holding apparatus for it, and a vibratory separator with it, the vibratory separator, in one aspect, for separating components of material introduced thereto, the vibratory separator including a basket, a collection receptacle beneath the basket, ... | 02/13/2007 |
| 7175028 | Vibratory screen assemblies A screen assembly which includes a frame, a plurality of openings in the frame, a screen overlying the openings, a plurality of spaced tapered ribs on the opposite side of the frame from the screen, a first end on the frame with a lip, and a second end on the frame ... | 02/13/2007 |
| 7090083 | Module for screening or diverting particulate material and method of producing the module A module is provided for screening or diverting particulate material. A method for producing a module for screening or diverting particulate material is also provided. Each module comprises either a screening member having an array of sieve apertures of a predetermi... | 08/15/2006 |
| 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 |
| 7011218 | Vibratory screen assemblies A screen assembly which includes a frame, a plurality of openings in the frame, a screen overlying the openings, a plurality of spaced tapered ribs on the opposite side of the frame from the screen, a first end on the frame with a depending lip, and a second end on ... | 03/14/2006 |
| 7000779 | Separation device Device for separating fine fractions and coarse fractions from bulk goods, comprising a frame and a screen plane supported by it for supporting the coarse fraction and allowing the fine fraction to pass through, the screen plane being formed by a number of screen di... | 02/21/2006 |
| 6988624 | Vibrating screen with a loading pan The vibrating screen has a frame, a screen box, two pairs of springs supporting the screen box over the frame and a driven eccentric shaft mounted under the screen box. The vibrating screen is characterized by a loading pan affixed to the upper end of the screen box... | 01/24/2006 |
| 6827223 | Vibratory screening machine with single motor mounted to produce linear motion A vibratory screening machine having a single vibratory motor mounted on its inner resiliently mounted frame by motor mounting structures at its ends, each motor mounting structure consisting of a combination of a fist bracket carrying a directionally stiff bushing ... | 12/07/2004 |
| 6811033 | Fastening device for screening panels A fastening device (1) for fastening polyurethane screening panels (6,7) to a screen (8) is made up of a composite fastener and a disc stringer support. The composite fastener is a steel bolt (2) and nut (3) with a polyurethan hold... | 11/02/2004 |
| 6789681 | Screen for fiber suspensions and method for the manufacture thereof In the rotationally symmetrical screen for fiber suspensions with a series of straight profiled bars which extend the direction of the screen axis and form slot-shaped screen openings between them, and with several ring-shaped profiled bar supports lying in planes e... | 09/14/2004 |
| 6763949 | Waste recovery station for beach cleaner A waste recovery station for a beach cleaner for recovering waste raked up by a beach cleaner. A waste recovery station for a beach cleaner includes a pair of station members arranged in parallel with each other through a required spacing. Each station member is pro... | 07/20/2004 |
| 6736271 | Screen apparatus and method A panel for screening material, comprising: a frame defining a screening area; a tensioned fiber reinforcement attached to the frame and spanning across the screening area; and a non-tensioned resilient coating surrounding the fiber reinforcement so as to form a plu... | 05/18/2004 |
| 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 |
| 6648626 | Parts collection system for injection molding machines A parts collection system for injection molding machines is disclosed. The system provides for easy and quick changing of devices adapted for receiving molded parts discharged from the molding machine. Generally, the parts collection system of the present... | 11/18/2003 |
| 6302276 | Screen support strip for use in vibratory screening apparatus A support strip has been invented for supporting part of a screen used in a vibratory shaker, the support strip having a support body having spaced-apart ends spaced-apart sides, and a top surface, and at least one hump, raised portion or upturned finger ... | 10/16/2001 |
| 6283303 | Vibrating screen separator, separating method, and clamping device A clamping device for clamping an object to a structure, the device including a lever arm pivotally mounted relative to the structure, at least one member for urging one end portion of the arm in a direction to pivot the other end portion into engagement ... | 09/04/2001 |
| 6260711 | Shielding device for screening apparatus A shielding device 23, 24, in apparatus 1 for screening ore or like material includes an elongate body portion 25 for location over the top surface 7 of a support beam 3 of a support frame for screen panels 6. The shielding device includes at least one sk... | 07/17/2001 |
| 6260710 | Flat sifter A flat sifter with self-supporting structure which is preferably used for sifting grain and flour-like products in mills. The aim is to markedly simplify the construction and assembly of such a flat sifter while improving the sanitary conditions. That aim... | 07/17/2001 |
| 6253926 | Modular screen panel A screen panel module for mounting on a screen deck frame for screening, separating and grading materials such as ores. The module comprises a stiff frame component for supporting a resiliently flexible screening surface provided by a panel component. Opp... | 07/03/2001 |
| 6220449 | Flat top cloth support screen A screen for a vibratory shaker for treating material flowing thereto, the screen in certain aspects having a lower support made of criss-crossed wires which define a plurality of spaced-apart holes through the lower support, the wires having top surfaces... | 04/24/2001 |
| 6202857 | Frame for flat sifter and process for producing the same The invention relates to a sieve frame for plan sifters and also to a method of producing it. It is used mainly in plan sifters for milling. The object is to improve the functionality of an insertable sieve frame and to simplify production. This object is... | 03/20/2001 |
| 6202856 | Vibratory screening system and screen therefor A screen having a frame, three screen cloth layers and a laminating solidified layer with perforations therethrough. The screening layer of the screen cloth is typically of the finest mesh with increasing coarseness to the support mesh. The solidified lay... | 03/20/2001 |
| 6029823 | Recessed vibrator for an elliptical motion screen separator A structural mount for a vibrator of a screen separator is provided in which the vibrator mounting plate is secured at an angle directly to the basket side wall structure or to a load bearing structure which is parallel and fixed to the basket side wall s... | 02/29/2000 |
| 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 |
| 6019228 | Vibrating screen deck support framework system A modular deck support framework system employing support tray framework sections for vibrating screens having an essentially rectangular outlined perimeter framework. Each support tray perimeter framework has at least: two opposed side framework members ... | 02/01/2000 |
| 5971160 | 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 ... | 10/26/1999 |
| 5927511 | Flat screen panel for crowned deck vibrating shaker A screen assembly for a vibrating shaker having a crowned deck for receiving at least one screen assembly thereon and a plurality of attachment members. The screen assembly includes a rigid frame having a pair of parallel, opposed sides and a pair of para... | 07/27/1999 |
| 5755334 | Method and apparatus for mounting a panel on a support member A method and apparatus for mounting a panel on a rail member having first and second resilient legs separated by a channel. A groove disposed along a first side of the panel receives a portion of one of the resilient legs of the rail member. The groove ex... | 05/26/1998 |
| 5641071 | Convertible material separating apparatus, and convertible kits A convertible vibratory material separating apparatus, and kits to convert the apparatus to a woven-screen or finger-rod upper separating surface. The separating apparatus includes a universal shaker head adapted for vibratory movement within a frame with... | 06/24/1997 |
| 5614094 | Vibrating screen unit A vibrating screen unit for dewatering dredged material. The vibrating screen unit includes a frame and a top screen deck, a middle screen deck and a bottom screen deck. The middle screen deck includes a splitter which extends across the width of the fram... | 03/25/1997 |
| 5529254 | System and method for changing sizing screen in materials processor A materials grinding and processing machine includes a sizing concave having a sizing screen contained therein. Ordinarily, the sizing concave is pivotally connected adjacent its upper end to the frame of the materials processing machine. To replace the s... | 06/25/1996 |
| 5501542 | Rapid coupling for a supported, driven shaft A rapid coupling for a supported, driven shaft is disclosed. The coupling includes a coupling sleeve which is axially slidable over a drive shaft but keyed to the drive shaft to ensure that the coupling sleeve rotates with the shaft. The coupling sleeve h... | 03/26/1996 |
| 5482165 | Mobile gravel screening apparatus A mobile screening apparatus for gravel and other aggregates includes a three sided box adapted to rest on the ground surface. A vibrating screen is located above the box in a tilted, or sloped condition, so that gravel deposited on the screen is in a flu... | 01/09/1996 |
| 5377846 | Particle screening system A particle screening system is a modular industrial screen system having a number of screen panel modules supported side-by-side and/or end-to-end by a supporting structure assembly. The supporting structure assembly has a number of support bars arranged ... | 01/03/1995 |
| 5368167 | Vibrating conveyor screening method and apparatus A screen assembly according to the invention screens material by size and includes first and second sets of transversely spaced apart, longitudinally extending first and second members respectively. The members are parallel to each other, and some members... | 11/29/1994 |
| 5335784 | Dump platform materials screener A dump platform materials screener includes a horizontally fixed support frame to which is pivotably coupled a materials staging and screening frame. The materials staging and screening frame includes a materials staging area having a bottom region of non... | 08/09/1994 |
| 5273164 | Soil conditioning apparatus This invention provides a soil conditioning apparatus having a shaker screen assembly that is mounted for operation on the dump bed of wheeled load-carrying vehicles. The shaker screen assembly may be adapted to operate either electrically or hydraulicall... | 12/28/1993 |
