DE69121390D1 - Filter - Google Patents

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Publication number
DE69121390D1
DE69121390D1 DE69121390T DE69121390T DE69121390D1 DE 69121390 D1 DE69121390 D1 DE 69121390D1 DE 69121390 T DE69121390 T DE 69121390T DE 69121390 T DE69121390 T DE 69121390T DE 69121390 D1 DE69121390 D1 DE 69121390D1
Authority
DE
Germany
Prior art keywords
openings
elements
filter
another element
refractory
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
DE69121390T
Other languages
English (en)
Inventor
Michael White
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.)
Hepworth Minerals and Chemicals Ltd
Original Assignee
Hepworth Minerals and Chemicals Ltd
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 Hepworth Minerals and Chemicals Ltd filed Critical Hepworth Minerals and Chemicals Ltd
Application granted granted Critical
Publication of DE69121390D1 publication Critical patent/DE69121390D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/086—Filters
    • 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
    • B01D29/03—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 self-supporting
    • 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
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/10—Filter screens essentially made of metal
    • 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
    • B01D39/2068—Other inorganic materials, e.g. ceramics

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Filtering Materials (AREA)
  • Centrifugal Separators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Separation By Low-Temperature Treatments (AREA)
DE69121390T 1990-02-09 1991-02-07 Filter Expired - Lifetime DE69121390D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909003020A GB9003020D0 (en) 1990-02-09 1990-02-09 Filter
PCT/GB1991/000190 WO1991012062A2 (en) 1990-02-09 1991-02-07 Filter

Publications (1)

Publication Number Publication Date
DE69121390D1 true DE69121390D1 (en) 1996-09-19

Family

ID=10670766

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121390T Expired - Lifetime DE69121390D1 (en) 1990-02-09 1991-02-07 Filter

Country Status (8)

Country Link
EP (1) EP0515468B1 (de)
AT (1) ATE141178T1 (de)
AU (1) AU7246891A (de)
DE (1) DE69121390D1 (de)
GB (1) GB9003020D0 (de)
IE (1) IE62517B1 (de)
PT (2) PT96718A (de)
WO (1) WO1991012062A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114367788B (zh) * 2022-01-04 2023-03-14 深圳市恒谱生科学仪器有限公司 一种用于流体色谱分析的过滤筛板及其加工方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3907513A (en) * 1974-05-30 1975-09-23 Us Energy Controlled porosity filter and uniform structure composites
US4721567A (en) * 1984-06-06 1988-01-26 Certech Inc. Ceramic pouring filter with tortuous flow paths
FR2593077B1 (fr) * 1986-01-23 1990-10-19 Desobeau Jacques Filtre en matiere refractaire.
EP0251634B1 (de) * 1986-06-27 1993-12-29 Metaullics Systems Co., L.P. Filter für geschmolzenes Metall und Verfahren zu seiner Herstellung

Also Published As

Publication number Publication date
IE910406A1 (en) 1991-08-14
AU7246891A (en) 1991-09-03
IE62517B1 (en) 1995-02-08
PT96718A (pt) 1992-11-30
PT8560T (pt) 1993-07-30
ATE141178T1 (de) 1996-08-15
EP0515468A1 (de) 1992-12-02
WO1991012062A2 (en) 1991-08-22
EP0515468B1 (de) 1996-08-14
PT8560U (pt) 1995-09-12
GB9003020D0 (en) 1990-04-04
WO1991012062A3 (en) 1991-09-19

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Legal Events

Date Code Title Description
8332 No legal effect for de