CA2051056A1 - Depth filter media - Google Patents

Depth filter media

Info

Publication number
CA2051056A1
CA2051056A1 CA2051056A CA2051056A CA2051056A1 CA 2051056 A1 CA2051056 A1 CA 2051056A1 CA 2051056 A CA2051056 A CA 2051056A CA 2051056 A CA2051056 A CA 2051056A CA 2051056 A1 CA2051056 A1 CA 2051056A1
Authority
CA
Canada
Prior art keywords
depth filter
medium
filter medium
filter media
fibre
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.)
Granted
Application number
CA2051056A
Other languages
French (fr)
Other versions
CA2051056C (en
Inventor
Nigel Jeremy Desmond Cook
Kenneth Roy Weight
Richard Guy Gutman
Roger Alexander Buttery
Michael Grimes
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.)
Pall Corp
Original Assignee
Nigel Jeremy Desmond Cook
Kenneth Roy Weight
Richard Guy Gutman
Roger Alexander Buttery
Pall Corporation
Michael Grimes
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
Application filed by Nigel Jeremy Desmond Cook, Kenneth Roy Weight, Richard Guy Gutman, Roger Alexander Buttery, Pall Corporation, Michael Grimes filed Critical Nigel Jeremy Desmond Cook
Publication of CA2051056A1 publication Critical patent/CA2051056A1/en
Application granted granted Critical
Publication of CA2051056C publication Critical patent/CA2051056C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2003—Glass or glassy material
    • B01D39/2017—Glass or glassy material the material being filamentary or fibrous
    • B01D39/2024—Glass or glassy material the material being filamentary or fibrous otherwise bonded, e.g. by resins
    • 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
    • B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/111—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
    • B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0407—Perforated supports on both sides of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/18—Filters characterised by the openings or pores
    • B01D2201/182—Filters characterised by the openings or pores for depth filtration
    • 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
    • Y10S55/00—Gas separation
    • Y10S55/05—Methods of making filter

Abstract

A porous filter medium is formed by a pleated cylinder of a depth filter medium. An absolute rated inner filtration layer is arranged between upstream and downstream drainage layers. The depth filter medium is formed from a continuous sleeve. Additionally or alternatively at least the downstream drainage layer may be formed integrally with at least a part of an inner filtration layer. The material of the medium may be a fibrous mass of non-woven synthetic polymeric micro-fibres which are free of fibre-to-fibre bonding and are secured to each other by mechanical entanglement or intertwining, with the diameter of the fibrous structure varying across the medium.
CA002051056A 1990-09-11 1991-09-10 Depth filter media Expired - Lifetime CA2051056C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909019855A GB9019855D0 (en) 1990-09-11 1990-09-11 Depth filter media
GB9019855.7 1990-09-11

Publications (2)

Publication Number Publication Date
CA2051056A1 true CA2051056A1 (en) 1992-03-12
CA2051056C CA2051056C (en) 1998-09-15

Family

ID=10682026

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002051056A Expired - Lifetime CA2051056C (en) 1990-09-11 1991-09-10 Depth filter media

Country Status (6)

Country Link
US (2) US5279731A (en)
EP (1) EP0475708B1 (en)
JP (1) JPH04244206A (en)
CA (1) CA2051056C (en)
DE (1) DE69121151T2 (en)
GB (2) GB9019855D0 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10427951B2 (en) 2015-08-20 2019-10-01 Brita Lp Water purification filter and system
US10752516B2 (en) 2013-12-18 2020-08-25 Brita Lp Method and apparatus for reservoir free and ventless water filtering
US11001508B2 (en) 2013-12-18 2021-05-11 Brita Lp Filter housing for filter as you pour filtration
US11045751B2 (en) 2015-09-30 2021-06-29 Brita Lp Filter design with interchangeable core cover
US11174172B2 (en) 2015-09-30 2021-11-16 Brita Lp Filter cartridge placement in filter as you pour system

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US6692637B2 (en) * 2001-11-07 2004-02-17 Tetra Holding (Us), Inc. Dual density filter cartridge
US7473360B2 (en) 2002-03-26 2009-01-06 Pall Corporation Length-adjustable filter cartridge end caps, filter cartridges employing, and methods of making, the same
US7238386B2 (en) * 2002-05-09 2007-07-03 Hexion Specialty Chemicals, Inc. Methods for making and using point lump-free compositions and products coated with point lump-free compositions
US7311839B2 (en) * 2002-12-09 2007-12-25 New Mexico Tech Research Foundation Removal of biological pathogens using surfactant-modified zeolite
US7749305B1 (en) * 2003-06-04 2010-07-06 Bossard Peter R Composite structure for high efficiency hydrogen separation containing preformed nano-particles in a bonded layer
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CA2560716A1 (en) * 2004-03-29 2005-10-13 Pall Corporation Pleated, crossflow fluid treatment elements, methods for making them, and methods for treating cellular solutions
EP1807171A1 (en) * 2004-10-15 2007-07-18 Cuno Incorporated Pleated multi-layer filter media and cartridge
ES2742686T3 (en) * 2005-03-04 2020-02-17 Pall Corp Method for preparing corrugated fluid treatment packages
US20080251442A1 (en) * 2005-09-28 2008-10-16 Pall Corporation Fluid Treatment Assemblies and Elements and Methods for Making Them
KR100742282B1 (en) * 2006-02-06 2007-07-24 삼성전자주식회사 Chemical filter
US20090283468A1 (en) * 2006-04-25 2009-11-19 Yoshiki Nomura Pleated filter cartridge
US20070277490A1 (en) * 2006-06-05 2007-12-06 Acs Industries, Lp Low density mist collector pad
CN101652259B (en) * 2007-04-06 2012-07-11 皇家飞利浦电子股份有限公司 Air pollution sensor system
US20090163613A1 (en) * 2007-12-20 2009-06-25 Guelcher Scott A Polymer polyols with improved properties and a process for their production
WO2009109955A2 (en) * 2008-03-06 2009-09-11 Arkal Filtration Systems C.S. Ltd. High viscosity fluid filter and filtering device
US8517185B2 (en) * 2008-10-08 2013-08-27 Cummins Filtration Ip, Inc. Two stage fuel water separator and particulate filter utilizing pleated nanofiber filter material
US8590712B2 (en) * 2008-10-08 2013-11-26 Cummins Filtration Ip Inc. Modular filter elements for use in a filter-in-filter cartridge
US8419934B1 (en) 2008-10-30 2013-04-16 Sundance Spas, Inc. Filter
US8051989B1 (en) 2009-05-11 2011-11-08 Davco Technology, Llc Support structure for a filter
CN102596862B (en) 2009-05-15 2015-09-30 康明斯过滤Ip公司 Surface coalescer
KR101144448B1 (en) * 2009-12-03 2012-06-14 현대자동차주식회사 Electrostatic non-woven intake filter manufacturing method and its products
KR20130108287A (en) * 2010-09-10 2013-10-02 제너럴 일렉트릭 캄파니 Cartridge filter combining a depth filter and a sub-micron filter, and ro pre-treatment method
US20140008285A1 (en) * 2012-07-09 2014-01-09 In-Tec Water Products, Llc Pleated filter
US10058808B2 (en) 2012-10-22 2018-08-28 Cummins Filtration Ip, Inc. Composite filter media utilizing bicomponent fibers
US11845019B2 (en) 2013-11-06 2023-12-19 Bl Technologies, Inc. Large format melt-blown depth filter cartridge
US10179426B2 (en) 2013-11-06 2019-01-15 Bl Technologies, Inc. Large format melt-blown depth filter cartridge
EP3288663A1 (en) 2015-04-28 2018-03-07 General Electric Company Melt-blown depth filter element, method and machine of making it
US10765973B2 (en) 2015-09-30 2020-09-08 Brita Lp Filter core configuration
DE112017002974T5 (en) 2016-07-19 2019-03-07 Cummins Filtration Ip, Inc. KOALESZER WITH PERFORATED LAYER
US20210121002A1 (en) * 2019-10-29 2021-04-29 Ori TANAMI Steam wand treating device
RU2734972C1 (en) * 2020-04-29 2020-10-26 Иван Соломонович Пятов Filtering element and method of its manufacturing

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10752516B2 (en) 2013-12-18 2020-08-25 Brita Lp Method and apparatus for reservoir free and ventless water filtering
US11001508B2 (en) 2013-12-18 2021-05-11 Brita Lp Filter housing for filter as you pour filtration
US11407652B2 (en) 2013-12-18 2022-08-09 Brita Lp Container for filter-as-you-pour system
US10427951B2 (en) 2015-08-20 2019-10-01 Brita Lp Water purification filter and system
US11045751B2 (en) 2015-09-30 2021-06-29 Brita Lp Filter design with interchangeable core cover
US11174172B2 (en) 2015-09-30 2021-11-16 Brita Lp Filter cartridge placement in filter as you pour system

Also Published As

Publication number Publication date
GB9119491D0 (en) 1991-10-23
GB9019855D0 (en) 1990-10-24
GB2247849B (en) 1995-03-22
DE69121151T2 (en) 1997-02-06
US5279731A (en) 1994-01-18
EP0475708A1 (en) 1992-03-18
US5468382A (en) 1995-11-21
GB2247849A (en) 1992-03-18
EP0475708B1 (en) 1996-07-31
CA2051056C (en) 1998-09-15
DE69121151D1 (en) 1996-09-05
JPH04244206A (en) 1992-09-01

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry