GB1337170A - Filters and their methods of manufacture - Google Patents

Filters and their methods of manufacture

Info

Publication number
GB1337170A
GB1337170A GB5741971A GB5741971A GB1337170A GB 1337170 A GB1337170 A GB 1337170A GB 5741971 A GB5741971 A GB 5741971A GB 5741971 A GB5741971 A GB 5741971A GB 1337170 A GB1337170 A GB 1337170A
Authority
GB
United Kingdom
Prior art keywords
filters
mandrel
dec
manufacture
methods
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
Application number
GB5741971A
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.)
Pittsfield Products Inc
Original Assignee
Pittsfield Products Inc
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 Pittsfield Products Inc filed Critical Pittsfield Products Inc
Publication of GB1337170A publication Critical patent/GB1337170A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D29/216—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets with wound 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
    • B01D29/52—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 parallel 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
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • 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
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • 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
    • B01D2201/043—Filter tubes connected to plates
    • B01D2201/0446—Filter tubes connected to plates suspended from plates at the upper side of the filter elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Wire Processing (AREA)
  • Laser Beam Processing (AREA)

Abstract

1337170 Making tubular filters; coiling PITTSFIELD PRODUCTS Inc 10 Dec 1971 [10 Dec 1970] 57419/71 Headings B3A and B3E [Also in Division B1] A metallic tubular reinforced screen filter is made by feeding strips of screen 42 and overlying reinforcement 44 on to mandrel 26 in a helical winding and welding, by means of current passed from wheel 50 to mandrel 26, the overlapping edge portions 53.
GB5741971A 1970-12-10 1971-12-10 Filters and their methods of manufacture Expired GB1337170A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9695070A 1970-12-10 1970-12-10

Publications (1)

Publication Number Publication Date
GB1337170A true GB1337170A (en) 1973-11-14

Family

ID=22259902

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5741971A Expired GB1337170A (en) 1970-12-10 1971-12-10 Filters and their methods of manufacture

Country Status (2)

Country Link
CA (1) CA966786A (en)
GB (1) GB1337170A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0335571A2 (en) * 1988-04-01 1989-10-04 Pall Corporation Spiral wrapped fluid treatment element
US5543047A (en) 1992-11-06 1996-08-06 Pall Corporation Filter with over-laid pleats in intimate contact
US5552048A (en) * 1988-06-15 1996-09-03 Pall Corporation Two pleated filter composite having cushioning layers
USD403741S (en) 1998-01-29 1999-01-05 Fleetguard, Inc. Cylindrical filter element
USD404796S (en) 1996-09-25 1999-01-26 Pall Corporation Cylindrical filter element
USD406315S (en) 1998-01-29 1999-03-02 Fleetguard, Inc. Cylindrical filter element
USD406316S (en) 1998-01-29 1999-03-02 Fleetguard, Inc. Cylindrical filter element
USD415245S (en) 1998-11-18 1999-10-12 Pall Corporation Cylindrical filter element
USD415819S (en) 1998-11-18 1999-10-26 Pall Corporation Cylindrical filter element
USD417715S (en) 1996-09-25 1999-12-14 Pall Corporation Cylindrical filter element
USD418197S (en) 1998-11-18 1999-12-28 Pall Corporation Cylindrical filter element
USD420095S (en) 1998-11-18 2000-02-01 Pall Corporation Cylindrical filter element
EP1179356A2 (en) * 2000-08-07 2002-02-13 Filterwerk Mann + Hummel Gmbh Filter element with filter media on a support member
CN114667178A (en) * 2019-11-14 2022-06-24 曼·胡默尔有限公司 Separating member for filter element

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0335571A3 (en) * 1988-04-01 1990-05-30 Pall Corporation Spiral wrapped fluid treatment element
US5039413A (en) * 1988-04-01 1991-08-13 Pall Corporation Spiral wrapped fluid treatment element
EP0335571A2 (en) * 1988-04-01 1989-10-04 Pall Corporation Spiral wrapped fluid treatment element
US5552048A (en) * 1988-06-15 1996-09-03 Pall Corporation Two pleated filter composite having cushioning layers
US5876601A (en) 1992-11-06 1999-03-02 Pall Corporation Pleated filter having a helically wrapped septum to tension the filter
US5543047A (en) 1992-11-06 1996-08-06 Pall Corporation Filter with over-laid pleats in intimate contact
US6113784A (en) 1992-11-06 2000-09-05 Pall Corporation Filter
US5725784A (en) 1992-11-06 1998-03-10 Pall Corporation Filtering method
USD404796S (en) 1996-09-25 1999-01-26 Pall Corporation Cylindrical filter element
USD417715S (en) 1996-09-25 1999-12-14 Pall Corporation Cylindrical filter element
USD406316S (en) 1998-01-29 1999-03-02 Fleetguard, Inc. Cylindrical filter element
USD406315S (en) 1998-01-29 1999-03-02 Fleetguard, Inc. Cylindrical filter element
USD403741S (en) 1998-01-29 1999-01-05 Fleetguard, Inc. Cylindrical filter element
USD415245S (en) 1998-11-18 1999-10-12 Pall Corporation Cylindrical filter element
USD415819S (en) 1998-11-18 1999-10-26 Pall Corporation Cylindrical filter element
USD418197S (en) 1998-11-18 1999-12-28 Pall Corporation Cylindrical filter element
USD420095S (en) 1998-11-18 2000-02-01 Pall Corporation Cylindrical filter element
EP1179356A2 (en) * 2000-08-07 2002-02-13 Filterwerk Mann + Hummel Gmbh Filter element with filter media on a support member
EP1179356A3 (en) * 2000-08-07 2002-03-13 Filterwerk Mann + Hummel Gmbh Filter element with filter media on a support member
US6645379B2 (en) 2000-08-07 2003-11-11 Filterwerk Mann & Hummel Gmbh Filter element with a filter medium applied to a support body
CN114667178A (en) * 2019-11-14 2022-06-24 曼·胡默尔有限公司 Separating member for filter element
CN114667178B (en) * 2019-11-14 2023-09-05 曼·胡默尔有限公司 Separating member for a filter element

Also Published As

Publication number Publication date
CA966786A (en) 1975-04-29
DE2161352B2 (en) 1976-07-01
DE2161352A1 (en) 1972-06-22

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years