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ES2135563T3 - Tamiz ondulado para una maquina de tamizado vibratorio y metodo de fabricacion del mismo. - Google Patents

Tamiz ondulado para una maquina de tamizado vibratorio y metodo de fabricacion del mismo.

Info

Publication number
ES2135563T3
ES2135563T3 ES94907163T ES94907163T ES2135563T3 ES 2135563 T3 ES2135563 T3 ES 2135563T3 ES 94907163 T ES94907163 T ES 94907163T ES 94907163 T ES94907163 T ES 94907163T ES 2135563 T3 ES2135563 T3 ES 2135563T3
Authority
ES
Spain
Prior art keywords
screen
assembly
fine
plastic grid
sub
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES94907163T
Other languages
English (en)
Inventor
John James Bakula
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Derrick Manufacturing Corp
Original Assignee
Derrick Manufacturing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/062,464 external-priority patent/US5417858A/en
Application filed by Derrick Manufacturing Corp filed Critical Derrick Manufacturing Corp
Application granted granted Critical
Publication of ES2135563T3 publication Critical patent/ES2135563T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4618—Manufacturing of screening surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/012—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
    • B01D29/07—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
    • B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
    • B01D33/0376—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements supported
    • B01D33/0392—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements supported with curved filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4654—Corrugated Screening surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4663—Multi-layer screening surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4672—Woven meshes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/469—Perforated sheet-like material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/902—Filter making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1016—Transverse corrugating
    • Y10T156/1021—Treating material of corrugated lamina or dry adhesive thereon to render tacky
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1025—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/496—Multiperforated metal article making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/496—Multiperforated metal article making
    • Y10T29/49604—Filter

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Filtering Materials (AREA)

Abstract

UN ENSAMBLAJE DE PANTALLA DE FILTRO (10) PARA UNA MAQUINA DE FILTRACION VIBRATORIA (35) QUE INCLUYE UNA PLANCHA PERFORADA (11), Y UN SUBENSAMBLAJE UNIDO A LA ANTERIOR (25) CON UNA PANTALLA DE APOYO ONDULADA (27), UNA PANTALLA DE FILTRACION FINA (29) Y UNA PANTALLA DE FILTRACION MAS FINA (30), UNIDAS ENTRE SI MEDIANTE UNA REJILLA DE PLASTICO FUNDIDO (24) Y UNIDAS A LA PLANCHA PERFORADA. EL METODO PARA LA FABRICACION DE UN ENSAMBLAJE DE UNA PANTALLA DE FILTRACION PARA UNA MAQUINA DE FILTRACION VIBRADORA INCLUYE LOS SIGUIENTES PASOS: UNA PANTALLA DE APOYO (27), QUE TIENE SUPERPUESTA UNA REJILLA PLASTICA (24), UNA PANTALLA DE FILTRACION FINA (29) SUPERPUESTA SOBRE LA REJILLA PLASTICA (24), UNA PANTALLA DE FILTRACION MAS FINA SUPERPUESTA SOBRE UNA PANTALLA DE FILTRACION FINA; APLICANDO CALOR Y PRESION SOBRE LAS PANTALLAS SUPERPUESTAS PARA FUNDIR LA REJILLA PLASTICA Y ASI FORMAR UN SUBENSAMBLAJE LAMINADO UNIDO Y PLANO, CONSIGUIENDO QUE LA REJILLA DE PLASTICO FUNDIDO SEA PERMEABLE A LA PANTALLA FINA, A LA PANTALLA MAS FINA Y A LA PANTALLA DE APOYO; DANDO AL SUBENSAMBLAJE LAMINADO UNA FORMA ONDULADA, PORPORCIONANDO UNA PLANCHA PERFORADA (11) Y UNIENDO EL SUBENSAMBLAJE ONDULADO A LA MISMA.
ES94907163T 1993-01-13 1994-01-07 Tamiz ondulado para una maquina de tamizado vibratorio y metodo de fabricacion del mismo. Expired - Lifetime ES2135563T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US412293A 1993-01-13 1993-01-13
US08/062,464 US5417858A (en) 1993-01-13 1993-05-14 Screen assembly for vibrating screening machine
US12780093A 1993-09-28 1993-09-28

Publications (1)

Publication Number Publication Date
ES2135563T3 true ES2135563T3 (es) 1999-11-01

Family

ID=27357567

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94907163T Expired - Lifetime ES2135563T3 (es) 1993-01-13 1994-01-07 Tamiz ondulado para una maquina de tamizado vibratorio y metodo de fabricacion del mismo.

Country Status (8)

Country Link
US (4) US5417859A (es)
EP (1) EP0680385B1 (es)
AU (1) AU690096B2 (es)
CA (1) CA2152602C (es)
DE (1) DE69420701T2 (es)
DK (1) DK0680385T3 (es)
ES (1) ES2135563T3 (es)
WO (1) WO1994015723A1 (es)

Families Citing this family (146)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5958236A (en) * 1993-01-13 1999-09-28 Derrick Manufacturing Corporation Undulating screen for vibratory screening machine and method of fabrication thereof
US6000556A (en) * 1993-01-13 1999-12-14 Derrick Manufacturing Corporation Screen assembly for vibratory screening machine
ES2135563T3 (es) * 1993-01-13 1999-11-01 Derrick Mfg Corp Tamiz ondulado para una maquina de tamizado vibratorio y metodo de fabricacion del mismo.
US6581781B1 (en) 1993-04-30 2003-06-24 Tuboscope I/P, Inc. Vibrator separator screens
US6371302B1 (en) 1993-04-30 2002-04-16 Tuboscope I/P, Inc. Vibratory separator screens
US6186337B1 (en) * 1998-10-30 2001-02-13 Tuboscope I/P, Inc. Dual screen element having upper scalping screen adhered to crests of corrugated lower screen
US6565698B1 (en) 1993-04-30 2003-05-20 Varco I/P, Inc. Method for making vibratory separator screens
US6267247B1 (en) * 1993-04-30 2001-07-31 Tuboscope I/P, Inc. Vibratory separator screen
USD425531S (en) * 1999-03-29 2000-05-23 Tuboscope I/P, Inc. Screen
US6629610B1 (en) 1993-04-30 2003-10-07 Tuboscope I/P, Inc. Screen with ramps for vibratory separator system
US6443310B1 (en) 1993-04-30 2002-09-03 Varco I/P, Inc. Seal screen structure
US5971159A (en) 1993-04-30 1999-10-26 Tuboscope I/P, Inc. Screen assembly for a vibratory separator
US6454099B1 (en) 1993-04-30 2002-09-24 Varco I/P, Inc Vibrator separator screens
US6371301B1 (en) 2000-11-17 2002-04-16 Varco I/P, Inc. Screen basket for shale shakers
US6722504B2 (en) 1993-04-30 2004-04-20 Varco I/P, Inc. Vibratory separators and screens
US6269953B1 (en) 1993-04-30 2001-08-07 Tuboscope I/P, Inc. Vibratory separator screen assemblies
US5598930A (en) * 1995-07-20 1997-02-04 Advanced Wirecloth, Inc. Shale shaker screen
US6401934B1 (en) 1993-04-30 2002-06-11 Tuboscope I/P, Inc. Ramped screen & vibratory separator system
US6283302B1 (en) 1993-08-12 2001-09-04 Tuboscope I/P, Inc. Unibody screen structure
US6607080B2 (en) 1993-04-30 2003-08-19 Varco I/P, Inc. Screen assembly for vibratory separators
US6290068B1 (en) * 1993-04-30 2001-09-18 Tuboscope I/P, Inc. Shaker screens and methods of use
US6325216B1 (en) 1993-04-30 2001-12-04 Tuboscope I/P, Inc. Screen apparatus for vibratory separator
US6152307A (en) * 1993-04-30 2000-11-28 Tuboscope I/P, Inc. Vibratory separator screens
US6450345B1 (en) 1993-04-30 2002-09-17 Varco I/P, Inc. Glue pattern screens and methods of production
DE4402547C1 (de) * 1994-01-28 1995-03-23 Stockhausen Chem Fab Gmbh Vorrichtung und Verfahren zum Auflösen von wasserlöslichen, pulverförmigen Polymerisaten
US6029824A (en) * 1994-03-30 2000-02-29 Tuboscope I/P, Inc. Screen for vibrating separator
US5551575A (en) * 1994-07-29 1996-09-03 Environmental Procedures, Inc. Shale shaker screens
US5624560A (en) * 1995-04-07 1997-04-29 Baker Hughes Incorporated Wire mesh filter including a protective jacket
US5642781A (en) * 1994-10-07 1997-07-01 Baker Hughes Incorporated Multi-passage sand control screen
US5597479A (en) * 1995-01-25 1997-01-28 Aqua-Ion Systems, Inc. Electro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinization
US6220448B1 (en) 1995-03-29 2001-04-24 Derrick Manufacturing Corporation Screen assembly for vibratory screening machine
US5673797A (en) * 1995-03-29 1997-10-07 Derrick Manufacturing Corporation Screen assembly for vibratory screening machine and method of fabrication thereof
US5636749A (en) * 1995-05-18 1997-06-10 Derrick Manufacturing Corporation Undulating screen for vibratory screening machine
US5611399A (en) * 1995-11-13 1997-03-18 Baker Hughes Incorporated Screen and method of manufacturing
US5851393A (en) * 1995-11-14 1998-12-22 Emerson Electric Co. Screen assembly
US5814218A (en) * 1996-01-16 1998-09-29 Cagle; William S. Distorted rectangular filter cloth screen for vibrating screening machine
US5690826A (en) * 1996-05-10 1997-11-25 Cravello; William Myron Shaker screen assembly
US5921399A (en) * 1996-06-07 1999-07-13 Derrick Corporation Gumbo separator
JP3686918B2 (ja) * 1996-10-16 2005-08-24 森村興産株式会社 汚水、廃水等の固液分離用濾過装置
US5744036A (en) * 1997-02-03 1998-04-28 Aaf International Pleated filter arrangement
US5944197A (en) * 1997-04-24 1999-08-31 Southwestern Wire Cloth, Inc. Rectangular opening woven screen mesh for filtering solid particles
US5967336A (en) * 1997-09-02 1999-10-19 Southwestern Wire Cloth, Inc. Vibrating screen assembly with improved frame
US6439392B1 (en) 1997-09-02 2002-08-27 Southwestern Wire Cloth, Inc. Vibrating screen assembly with tubular frame
US6484885B1 (en) * 1998-05-01 2002-11-26 Cpi Sales & Mfg., Inc. Solids raised screens
US5927511A (en) * 1998-06-29 1999-07-27 Southwestern Wire Cloth, Inc. Flat screen panel for crowned deck vibrating shaker
US6179128B1 (en) 1998-10-02 2001-01-30 Tuboscope I/P, Inc. Tension clamp and screen system
US20020104611A1 (en) * 1998-10-30 2002-08-08 Adams Thomas C. Self-flattening screens for vibratory separators
US6736270B2 (en) 1998-10-30 2004-05-18 Varco I/P, Inc. Glued screens for shale shakers
US6669985B2 (en) 1998-10-30 2003-12-30 Varco I/P, Inc. Methods for making glued shale shaker screens
US20050000865A1 (en) * 1998-10-30 2005-01-06 Schulte David L. Screen assemblies and vibratory separators
US6662952B2 (en) 2002-01-16 2003-12-16 Varco I/P, Inc. Shale shakers and screens for them
US6932883B2 (en) * 1998-10-30 2005-08-23 Varco I/P, Inc. Screens for vibratory separators
US20040251175A1 (en) * 1998-10-30 2004-12-16 Adams Thomas C. Apparatuses and methods for making glued screen assemblies
US20030042179A1 (en) * 1998-10-30 2003-03-06 Adams Thomas C. Vibratory separator screens
US6769550B2 (en) 2002-01-16 2004-08-03 Varco I/P, Inc. Screen assemblies for shale shakers
US20040112522A1 (en) * 1998-10-30 2004-06-17 Ward Kerry T. Automated methods for making screen assemblies for vibratory separators
US6053331A (en) * 1998-11-17 2000-04-25 Cravello; William M. Non-tensioned shaker filter
US6669027B1 (en) 1999-03-19 2003-12-30 Derrick Manufacturing Corporation Vibratory screening machine and vibratory screen and screen tensioning structure
US20050035033A1 (en) * 1999-03-25 2005-02-17 Adams Thomas C. Methods for sealing screen assemblies on vibratory separators
AUPQ012999A0 (en) * 1999-05-03 1999-05-27 Usf Johnson Screens Pty Ltd Screening equipment
GB2363585B (en) * 1999-06-24 2003-08-27 Tuboscope I P Inc A screen a panel for a screen a shale shaker and a method of screening
US6209726B1 (en) 1999-06-28 2001-04-03 Robert L. Gallia Screen assembly for vibratory screening machine
US6305549B1 (en) 1999-07-06 2001-10-23 Southwestern Wire Cloth, Inc. Vibrating screen assembly of dissimilar materials
DE19937338A1 (de) * 1999-08-11 2001-02-15 Steinbeck Job Jorik Siebeinrichtung, Verfahren zur Herstellung eines Siebes und Sieb für eine Siebeinrichtung
US6601709B2 (en) 1999-09-03 2003-08-05 Tuboscope I/P, Inc. Screen support and screens for shale shakers
US6202856B1 (en) 1999-09-22 2001-03-20 Emerson Electric Co. Vibratory screening system and screen therefor
US6220449B1 (en) * 1999-10-01 2001-04-24 Tuboscope I/P, Inc. Flat top cloth support screen
US6458283B1 (en) 1999-11-03 2002-10-01 Varco I/P, Inc. Lost circulation fluid treatment
US6457588B1 (en) 1999-11-03 2002-10-01 Varco I/P, Inc. Treatment of fluid having lost circulation material
US6510947B1 (en) 1999-11-03 2003-01-28 Varco I/P, Inc. Screens for vibratory separators
US6237780B1 (en) * 1999-11-03 2001-05-29 Tuboscope I/P, Inc. Vibratory separator screens
US20040007508A1 (en) * 1999-12-04 2004-01-15 Schulte David L. Screen assembly for vibratory separator
US6431368B1 (en) 2000-07-05 2002-08-13 Emerson Electric Co. Vibratory screen
AT408953B (de) * 2000-07-21 2002-04-25 Md Technology Production Gmbh Gas- und/oder flüssigkeitsdurchlässiges filtermaterial
US7198156B2 (en) * 2000-11-17 2007-04-03 Varco I/P, Inc. Dam basket for vibratory separators
US7216767B2 (en) * 2000-11-17 2007-05-15 Varco I/P, Inc. Screen basket and shale shakers
US20050103689A1 (en) * 2001-10-19 2005-05-19 Schulte David L.Jr. Sealing screen assemblies and vibratory separators
US20050224398A1 (en) * 2001-10-19 2005-10-13 Largent David W Vibratory separators and sealing screens
US6955262B2 (en) * 2003-05-02 2005-10-18 Varco, I/P Inc. Removable seal apparatus for vibratory separator
GB0127085D0 (en) * 2001-11-10 2002-01-02 United Wire Ltd Improved screen for separating solids from liquids
US20050067327A1 (en) * 2002-01-16 2005-03-31 Adams Thomas C. Screen assemblies for shale shakers
US20050242003A1 (en) 2004-04-29 2005-11-03 Eric Scott Automatic vibratory separator
US20030222032A1 (en) * 2002-05-29 2003-12-04 Rudiger Tueshaus Filtering screen construction and methods
US20050082236A1 (en) * 2002-06-12 2005-04-21 Derrick Corporation Vibratory screening machine with suction and method for screening a slurry
US6726029B2 (en) 2002-06-12 2004-04-27 Varco I/P, Inc. Separator screen with solids conveying end area
US20050133465A1 (en) * 2002-06-12 2005-06-23 Derrick Corporation Vibratory screen assembly and method of manufacture
US20030230541A1 (en) * 2002-06-12 2003-12-18 Derrick Mitchell J. Vibratory screening machine with suction and pressure and method for screening a slurry
DE50209971D1 (de) * 2002-07-08 2007-05-31 Filtrox Ag Anschwemmfilterkerze, Anschwemmfilter und Verwendung einer Filterkerze
GB2394196A (en) * 2002-10-17 2004-04-21 Varco Int Screen assembly for a shale shaker
US8312995B2 (en) 2002-11-06 2012-11-20 National Oilwell Varco, L.P. Magnetic vibratory screen clamping
US7682996B2 (en) 2002-11-21 2010-03-23 M-I L.L.C. Vibratory screen
US7264125B2 (en) * 2003-04-23 2007-09-04 Derrick Corporation Undulating molded plastic vibratory screen
US7094297B2 (en) * 2003-07-25 2006-08-22 Yanco I/P, Inc. Methods for making screen assemblies
US7011218B2 (en) * 2003-08-29 2006-03-14 Derrick Corporation Vibratory screen assemblies
US7757864B2 (en) 2004-06-15 2010-07-20 M-I L.L.C. Screen assembly designed to conform to the radius of vibrating shakers with crowned decks
WO2006041855A2 (en) 2004-10-04 2006-04-20 Nitromed, Inc. Compositions and methods using apocynin compounds and nitric oxide donors
US8312996B2 (en) * 2005-01-21 2012-11-20 Derrick Corporation Vibratory material screen with seal
US7648028B2 (en) * 2005-04-22 2010-01-19 Becton, Dickinson And Company Adapter for multiple capacity needle immobilizing device
JP2006326515A (ja) * 2005-05-27 2006-12-07 Aisan Ind Co Ltd フィルタ
AU2005202795B2 (en) * 2005-06-27 2007-05-17 Symphony Wire Pty Ltd Retention device for filter screen
US20090018091A1 (en) 2005-08-02 2009-01-15 Nitromed, Inc. Nitric Oxide Enhancing Antimicrobial Compounds, Compositions and Methods of Use
US20070090045A1 (en) * 2005-10-25 2007-04-26 Bakula John J Multidiameter wire cloth
US7838023B2 (en) 2005-11-16 2010-11-23 Nitromed, Inc. Furoxan compounds, compositions and methods of use
US20070125687A1 (en) * 2005-12-01 2007-06-07 Kutryk Edward A Screen assembly for a vibratory separator
US8261915B2 (en) 2005-12-06 2012-09-11 Rotex Global, Llc Screening machine and associated screen panel
US20070125688A1 (en) * 2005-12-06 2007-06-07 Rotex, Inc. Screening machine, associated screen panel and seal
US20110036759A1 (en) * 2005-12-06 2011-02-17 Rotex, Inc. Screening machine and associated screen panel
US8067414B2 (en) 2006-03-29 2011-11-29 Nicox S.A. Nitric oxide enhancing prostaglandin compounds, compositions and methods of use
US20070289273A1 (en) * 2006-06-16 2007-12-20 Boyd Kevin E Air filter with pleat lock
US20080083566A1 (en) 2006-10-04 2008-04-10 George Alexander Burnett Reclamation of components of wellbore cuttings material
US7464821B2 (en) * 2006-10-04 2008-12-16 Gallia Robert L Screen assembly for vibratory screening machine
US8394391B2 (en) * 2007-08-31 2013-03-12 University Of Utah Research Foundation Drug delivery vehicle that mimics viral properties
US8622220B2 (en) 2007-08-31 2014-01-07 Varco I/P Vibratory separators and screens
US7980392B2 (en) 2007-08-31 2011-07-19 Varco I/P Shale shaker screens with aligned wires
EP2135686B1 (en) * 2008-06-16 2014-10-29 M-I L.L.C. Laminated screens
US8556083B2 (en) 2008-10-10 2013-10-15 National Oilwell Varco L.P. Shale shakers with selective series/parallel flow path conversion
US8142537B2 (en) * 2009-03-17 2012-03-27 Mann + Hummel Gmbh Support grid and alignment appartus for a filter element and housing
US20100258481A1 (en) * 2009-04-13 2010-10-14 Helmy Nashat N Sifting screen
US8353407B2 (en) * 2009-07-22 2013-01-15 Buffalo Wire Works Company Apparatus and method for making wire screen
US9375756B2 (en) * 2010-04-19 2016-06-28 Derrick Corporation Polyurethane vibratory screen
US8584866B2 (en) * 2010-04-19 2013-11-19 Derrick Corporation Polyurethane vibratory screen
US9403192B2 (en) * 2010-04-19 2016-08-02 Derrick Corporation Polyurethane screen
US9010539B2 (en) * 2010-04-19 2015-04-21 Derrick Corporation Polyurethane vibratory screen
US8196753B2 (en) * 2010-11-12 2012-06-12 Polydeck Screen Corporation Screening panel
GB201106298D0 (en) * 2011-04-13 2011-05-25 Bailey Marshall G Screen assembly
US9409209B2 (en) 2012-05-25 2016-08-09 Derrick Corporation Injection molded screening apparatuses and methods
EP3482839A1 (en) 2012-05-25 2019-05-15 Derrick Corporation Injection molded screen assembly and method
US10576502B2 (en) 2012-05-25 2020-03-03 Derrick Corporation Injection molded screening apparatuses and methods
US11161150B2 (en) 2012-05-25 2021-11-02 Derrick Corporation Injection molded screening apparatuses and methods
US8893894B2 (en) 2012-10-13 2014-11-25 Buffalo Wire Works Wire screen with flattened wire
WO2014109673A1 (ru) * 2013-01-09 2014-07-17 Kostyuk Anatoliy Ivanovich Кассета с волнообразным сеточным полотном на жестком каркасе для вибрационных сит
DE102013000939A1 (de) * 2013-01-19 2014-07-24 Hydac Filtertechnik Gmbh Filtermedium
US9643111B2 (en) 2013-03-08 2017-05-09 National Oilwell Varco, L.P. Vector maximizing screen
MX2015015068A (es) * 2013-04-30 2016-03-03 M I Drilling Fluids Uk Ltd Filtro con miembros de la estructura con superficie/s inclinada/s.
WO2017019580A1 (en) * 2015-07-24 2017-02-02 Schlumberger Technology Corporation Perforated foil screen assembly
CN105817415A (zh) * 2016-04-29 2016-08-03 长兴谐达能源科技有限公司 一种生物质颗粒干燥筛选装置
USD890236S1 (en) 2019-02-07 2020-07-14 Derrick Corporation Vibratory screening machine
US11185801B2 (en) 2016-10-14 2021-11-30 Derrick Corporation Apparatuses, methods, and systems for vibratory screening
US11052427B2 (en) 2016-10-14 2021-07-06 Derrick Corporation Apparatuses, methods, and systems for vibratory screening
JOP20190082A1 (ar) 2016-10-14 2019-04-14 Dirrick Corp أجهزة وطرق وأنظمة للفرز الإهتزازي
CA3060677C (en) 2017-04-28 2022-12-06 Derrick Corporation Thermoplastic compositions, methods, apparatus, and uses
US11505638B2 (en) 2017-04-28 2022-11-22 Derrick Corporation Thermoplastic compositions, methods, apparatus, and uses
US11213857B2 (en) 2017-06-06 2022-01-04 Derrick Corporation Method and apparatus for screening
CN110799274A (zh) 2017-06-06 2020-02-14 德里克公司 用于筛分的方法和装置
RU2747396C1 (ru) 2017-09-01 2021-05-04 Деррик Корпорейшн Очистное устройство и способ очистки сита для просеивания
WO2022140584A1 (en) * 2020-12-23 2022-06-30 Continental Wire Cloth, LLC Undulating shaker screen assembly

Family Cites Families (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US607598A (en) * 1898-07-19 Grain-separating screen for th resh ing-ivlach in es
CA599661A (en) * 1960-06-14 H. Eaton-Williams Raymond Fluid filters formed of fabrics containing thermoplastic yarns
US275340A (en) * 1883-04-03 kimball
US40242A (en) * 1863-10-13 Improvement in grain-sieves
US560858A (en) * 1896-05-26 missroon
US526562A (en) * 1894-09-25 Coal-screen
BE505776A (es) *
US500302A (en) * 1893-06-27 Slate-picker
US246144A (en) * 1881-08-23 Fanning-mill
US691045A (en) * 1900-11-09 1902-01-14 William W Climenson Machine for separating cockle from wheat.
US800693A (en) * 1904-12-28 1905-10-03 John A Traylor Shaking-screen.
US964144A (en) * 1907-08-16 1910-07-12 Irenee Alexis Chavanne Centrifugal bolting-machine.
US964897A (en) * 1908-04-04 1910-07-19 Noah Bryant Save-all for paper-making machines.
US966578A (en) * 1908-04-20 1910-08-09 Sherman P Murphy Screen for threshing-machines.
US984866A (en) * 1909-05-06 1911-02-21 Earl H Tate Aero ore-concentrator and placer-machine.
US1132667A (en) * 1910-06-16 1915-03-23 Louis Milliot Florist's dirt-sieve.
US1009069A (en) * 1911-04-26 1911-11-21 Charles Hunnicutt Seed-corn grader.
US1098979A (en) * 1912-01-22 1914-06-02 Karl Schuchard Jigging-machine.
US1269085A (en) * 1917-02-26 1918-06-11 Samuel A Jeske Grain-separator.
US1423021A (en) * 1919-09-22 1922-07-18 Tyler Co W S Screening apparatus
US1462804A (en) * 1922-04-18 1923-07-24 Evans Edward James Sieve
US1561632A (en) * 1924-02-27 1925-11-17 Herbert S Woodward Perforated indented screen
US1947307A (en) * 1931-01-21 1934-02-13 Rafton Engineering Corp Means for supporting wire cloth
US1997740A (en) * 1931-12-24 1935-04-16 Tyler Co W S Plural cloth screening apparatus
US1997713A (en) * 1932-08-08 1935-04-16 Tyler Co W S Screen and method of making same
US2082513A (en) * 1934-07-26 1937-06-01 Western States Machine Co Filter sieve and art of making the same
GB457924A (en) * 1935-03-09 1936-12-09 Tyler Co W S Improvements in screening or sifting apparatus
US2089548A (en) * 1935-03-12 1937-08-10 Colorado Fuel & Iron Corp Means of filtration
GB519680A (en) * 1938-09-22 1940-04-03 James Walker Improvements in or relating to strainer plates and drums
US2274700A (en) * 1939-02-14 1942-03-03 Tyler Co W S Screening apparatus
US2315055A (en) * 1940-07-19 1943-03-30 Richard D Heller Screen cloth
US2462878A (en) * 1942-11-23 1949-03-01 Mining Process & Patent Co Vibrating screen with vacuum control therefor
US2406051A (en) * 1943-06-26 1946-08-20 Paul Porzelt Apparatus for producing corrugated structures
US2648441A (en) * 1948-01-17 1953-08-11 Productive Equipment Corp Vibrating equipment
US2723032A (en) * 1950-12-18 1955-11-08 Mining Process & Patent Co Vibrating screens
GB743902A (en) * 1951-04-12 1956-01-25 Siteg Siebtech Gmbh Vibrating screens
US2726184A (en) * 1952-11-01 1955-12-06 Purolator Products Inc Method of providing seals for filters
GB823648A (en) * 1956-09-27 1959-11-18 Air Maze Corp Filters for fluids
US2957235A (en) * 1957-03-12 1960-10-25 Purolator Products Inc Method of joining powder metal parts
US2980208A (en) * 1957-05-21 1961-04-18 Delbag Luftfilter Gmbh Filter element for extremely fine dust
US3057481A (en) * 1958-06-12 1962-10-09 Pall Corp Corrugated filter and method of forming the same
US2929464A (en) * 1959-05-18 1960-03-22 Vernco Corp Flat knit filter media
US3165473A (en) * 1960-10-24 1965-01-12 Pall Corp Corrugated filter unit
US3306794A (en) * 1963-02-12 1967-02-28 Wix Corp Method of making a filter element
US3255885A (en) * 1963-02-27 1966-06-14 Nordberg Manufacturing Co Vibrating screen
DE1206372B (de) * 1964-09-26 1965-12-09 Albert Wehner Siebrost
US3374886A (en) * 1966-05-02 1968-03-26 Arthur S. Lightsey Grain separator chaffer assembly
US3465413A (en) * 1966-10-25 1969-09-09 Universal Filters Inc Method of manufacturing pleated filters
US3567510A (en) * 1967-12-20 1971-03-02 Canadian Cane Equip Method and apparatus for separating components of sugarcane
DE1758860A1 (de) * 1968-08-22 1971-06-03 Stahlgruber Gruber & Co Otto Elastischer Siebboden
US3747772A (en) * 1971-05-21 1973-07-24 Parker Hannifin Corp Filter
US3853529A (en) * 1971-06-09 1974-12-10 Farr Co Pleated air filter cartridge
US4064051A (en) * 1972-06-02 1977-12-20 Hein, Lehmann Akt. Elastic transporting, sieving or filtering base with swinging drive
US4033865A (en) * 1974-12-09 1977-07-05 Derrick Manufacturing Corporation Non-clogging screen apparatus
US4022596A (en) * 1975-08-27 1977-05-10 Pedersen George C Porous packing and separator medium
GB1512958A (en) * 1975-10-06 1978-06-01 Crosland Filters Ltd Filter
US4019987A (en) * 1976-01-14 1977-04-26 Leonard L Extended area filters
US4075106A (en) * 1976-05-07 1978-02-21 Masahiko Yamazaki Filtering device
JPS6012878B2 (ja) * 1978-08-24 1985-04-03 株式会社東芝 誘導電動機の制御方法
US4512892A (en) * 1980-02-14 1985-04-23 Millipore Corporation Method and structure for sealing tubular filter elments
US4380494A (en) * 1980-04-14 1983-04-19 Litton Systems, Inc. Vibrating screen with self-supporting screen cloth
US4517090A (en) * 1982-03-30 1985-05-14 Baxter Travenol Laboratories, Inc. Low volume, large area filters for IV or blood filtration
GB2124099B (en) * 1982-07-24 1986-07-30 Parnaby Cyclones International Dewatering and compacting screen
JPS59142818A (ja) * 1983-02-01 1984-08-16 Seibu Giken:Kk フイルタ−素子の製造法
US4594162A (en) * 1984-02-13 1986-06-10 American Filtrona Corporation Pleated filter and method and apparatus for fabricating same
FR2559679B1 (fr) * 1984-02-17 1991-06-14 Transfer Technology Internatio Toile pour crible vibrant ou a secousse
US4575421A (en) * 1984-03-08 1986-03-11 Derrick Manufacturing Corporation Non-clogging wear-reducing screen assembly for vibrating screening machine
US4617122A (en) * 1984-08-01 1986-10-14 Donaldson Company, Inc. Crimp seal pleated filter assembly
GB2162768B (en) * 1984-08-06 1989-01-11 Tilghman Wheelabrator Ltd Filtering apparatus
US4647373A (en) * 1984-08-30 1987-03-03 Donaldson Company, Inc. Multi-layered filter apparatus
US4696751A (en) * 1986-08-04 1987-09-29 Dresser Industries, Inc. Vibratory screening apparatus and method for removing suspended solids from liquid
US4701197A (en) * 1986-10-07 1987-10-20 Allied Corp. Molded panel filter
US4758333A (en) * 1987-03-23 1988-07-19 General Electric Company Sieve
US4820407A (en) * 1987-04-24 1989-04-11 Cpi Sales, Inc. Solids screens
US4940500A (en) * 1987-08-31 1990-07-10 Tsuchiya Mfg. Co., Ltd. Filter medium forming system and process
JPH01203010A (ja) * 1988-02-08 1989-08-15 Goyo Kogyo Kk フィルタユニットの成形方法
JPH03505058A (ja) * 1988-05-04 1991-11-07 クネヒト　フイルターヴエルケ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 波形成形部を一体成形された帯状のろ材並びにこの材から成るろ過体
DE3818972C2 (de) * 1988-06-03 1998-04-16 Hartwig Straub Filtereinsatz für einen Feststoff-Filter
US4954249A (en) * 1988-06-10 1990-09-04 Beloit Corporation Wave screen plate
US5084178A (en) * 1988-06-15 1992-01-28 Pall Corporation Corrugated filter arrangement with support layer and flow channels
US4832834A (en) * 1988-07-11 1989-05-23 Baird Jr Howard R Elastomer sieve screen
US4882054A (en) * 1988-08-22 1989-11-21 Derrick Manufacturing Corporation Vibratory screening machine with tiltable screen frame and adjustable discharge weir
US5139154A (en) * 1989-12-27 1992-08-18 Beloit Corporation Wear screen plate and method of manufacture thereof
DE4002078C1 (es) * 1990-01-25 1991-05-02 Fa. Carl Freudenberg, 6940 Weinheim, De
FR2661196B1 (fr) * 1990-04-18 1992-07-17 Lamort Em Tamis pour epurateur et classificateur de pate a papier.
US5221008A (en) * 1990-05-11 1993-06-22 Derrick Manufacturing Corporation Vibratory screening machine and non-clogging wear-reducing screen assembly therefor
EP0479385B1 (en) * 1990-10-03 1995-12-27 Industria Grafica Meschi S.r.l. Apparatus for the high speed piling up of paper sheets or continuous band with, tearing separation along preperforation lines
TW199108B (es) * 1991-11-11 1993-02-01 British United Shoe Machinery
US5312508A (en) * 1992-10-16 1994-05-17 John Chisholm Attaching crimped wire mesh to an object requiring heat transfer
ES2135563T3 (es) * 1993-01-13 1999-11-01 Derrick Mfg Corp Tamiz ondulado para una maquina de tamizado vibratorio y metodo de fabricacion del mismo.

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WO1994015723A1 (en) 1994-07-21
CA2152602C (en) 1999-06-29
AU6084494A (en) 1994-08-15
US5417793A (en) 1995-05-23
AU690096B2 (en) 1998-04-23
EP0680385B1 (en) 1999-09-15
EP0680385A1 (en) 1995-11-08
EP0680385A4 (en) 1996-01-31
US5783077A (en) 1998-07-21
DE69420701T2 (de) 2000-03-02
US5876552A (en) 1999-03-02
DK0680385T3 (da) 2000-01-31
DE69420701D1 (de) 1999-10-21
CA2152602A1 (en) 1994-07-21
US5417859A (en) 1995-05-23

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