DK149577A - Apparatus for inspection of the inner wall surface of a pipeline having circular cross section - Google Patents

Apparatus for inspection of the inner wall surface of a pipeline having circular cross section

Info

Publication number
DK149577A
DK149577A DK149577A DK149577A DK149577A DK 149577 A DK149577 A DK 149577A DK 149577 A DK149577 A DK 149577A DK 149577 A DK149577 A DK 149577A DK 149577 A DK149577 A DK 149577A
Authority
DK
Denmark
Prior art keywords
inspection
pipeline
section
wall surface
circular cross
Prior art date
Application number
DK149577A
Other languages
Danish (da)
Other versions
DK148952C (en
DK148952B (en
Inventor
G S Hunter
S P Hunter
B Walker
Original Assignee
Process Scientific 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
Priority claimed from GB13640/76A external-priority patent/GB1557821A/en
Application filed by Process Scientific Ltd filed Critical Process Scientific Ltd
Publication of DK149577A publication Critical patent/DK149577A/en
Publication of DK148952B publication Critical patent/DK148952B/en
Application granted granted Critical
Publication of DK148952C publication Critical patent/DK148952C/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D27/00—Cartridge filters of the throw-away type
    • B01D27/04—Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper
    • B01D27/06—Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper with corrugated, folded or wound material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/143—Filter condition indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/04—Organic material, e.g. cellulose, cotton
    • 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
    • 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
    • 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
    • B01D39/2027—Metallic material
    • B01D39/2041—Metallic material the material being filamentary or fibrous
    • 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
    • B01D39/2055—Carbonaceous material
    • 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
    • B01D39/2072—Other inorganic materials, e.g. ceramics the material being particulate or granular
    • B01D39/2079—Other inorganic materials, e.g. ceramics the material being particulate or granular otherwise bonded, e.g. by resins
    • 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
    • B01D39/2082—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
    • B01D46/0095—Means acting upon failure of the filtering system, e.g. in case of damage of the filter elements; Failsafes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/064—The fibres being mixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/08—Special characteristics of binders
    • B01D2239/086—Binders between particles or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1208—Porosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1225—Fibre length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1233—Fibre diameter
DK149577A 1976-04-05 1977-04-04 FILTER ELEMENT FOR FLUIDA DK148952C (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
GB1364076 1976-04-05
GB13640/76A GB1557821A (en) 1976-04-05 1976-04-05 Filters for liquids or gases
GB1908376 1976-05-10
GB1908376 1976-05-10
GB4696976 1976-11-11
GB4696976 1976-11-11
GB968077 1977-03-08
GB968077 1977-03-08

Publications (3)

Publication Number Publication Date
DK149577A true DK149577A (en) 1977-10-06
DK148952B DK148952B (en) 1985-12-02
DK148952C DK148952C (en) 1986-06-09

Family

ID=27447725

Family Applications (1)

Application Number Title Priority Date Filing Date
DK149577A DK148952C (en) 1976-04-05 1977-04-04 FILTER ELEMENT FOR FLUIDA

Country Status (13)

Country Link
JP (1) JPS52144868A (en)
AT (1) AT368401B (en)
AU (1) AU510129B2 (en)
BR (1) BR7702120A (en)
CA (1) CA1076041A (en)
CH (1) CH619152A5 (en)
DE (1) DE2715204C2 (en)
DK (1) DK148952C (en)
ES (1) ES457536A1 (en)
FR (1) FR2347081A1 (en)
GR (1) GR60807B (en)
NL (1) NL183871C (en)
SE (1) SE432201B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2414944B1 (en) * 1978-01-23 1988-01-08 Process Scient Innovations FILTER ELEMENTS FOR GASES OR LIQUIDS AND MANUFACTURING METHOD
DE2826237C2 (en) * 1978-06-15 1981-11-19 Riensch & Held, 2000 Hamburg Grease filters, in particular for extractor hoods
FR2482868A1 (en) * 1980-05-22 1981-11-27 Sofrance Sa FIBER-BASED FILTER MEDIUM AND PROCESS FOR PREPARING THE SAME
DE3071847D1 (en) * 1980-09-22 1987-01-15 Air Maze Corp Liquid-gas separator
JPS57147413A (en) * 1981-03-10 1982-09-11 Asahi Chem Ind Co Ltd Filter medium for high-performance air filter and production thereof
DE3505792A1 (en) * 1984-02-24 1985-08-29 Sartorius GmbH, 3400 Göttingen Exchangeable filter element for the filtration of fluids
DK65889A (en) * 1988-04-02 1989-10-03 Mueller S F & Partner FILTER SYSTEM
DE3917033C1 (en) * 1989-05-26 1990-08-02 Olaf 2000 Hamburg De Ahlers
EP0465424B1 (en) * 1990-07-05 1994-12-07 Filtrox-Werk AG Thick filterbed, process for preparing a filterlayer and filtration module
US5394867A (en) * 1991-06-05 1995-03-07 Brookdale International Systems Inc. Personal disposable emergency breathing system with dual air supply
US5186165A (en) * 1991-06-05 1993-02-16 Brookdale International Systems Inc. Filtering canister with deployable hood and mouthpiece
GB9112615D0 (en) * 1991-06-12 1991-07-31 Domnick Hunter Filters Ltd Filter
JP3308968B2 (en) * 2000-09-28 2002-07-29 株式会社周越テクニカ Air filter for internal combustion engine
US6866693B2 (en) 2002-06-06 2005-03-15 Shuetsutechnica Co., Ltd. Washable air filter for internal combustion engine
BRPI0518130A (en) * 2004-10-15 2008-10-28 3M Innovative Properties Co pleated filter modules, method of producing a composite depth filter medium, and pleated composite depth filter medium
DE102005014360A1 (en) * 2005-03-30 2006-10-05 Hydac Filtertechnik Gmbh filter element
DE102005032395A1 (en) * 2005-07-12 2007-01-25 Mahle International Gmbh Filter medium for technical applications and method of its production
PL2663379T3 (en) 2011-01-11 2018-06-29 Amazon Filters Spółka z Ograniczoną Odpowiedzialnością Method for manufacturing of pleated filters
DE102011119408A1 (en) * 2011-11-21 2013-05-23 Hydac Filtertechnik Gmbh filter material
JP5555297B2 (en) * 2012-10-04 2014-07-23 株式会社ウェルシィ Portable water purification kit
CN110252029B (en) * 2019-06-05 2022-07-19 浙江佳海新材料有限公司 Automobile air conditioner filtering material with VOC gas filtering performance and technology thereof
DE102019208728A1 (en) * 2019-06-14 2020-12-17 Filtration Group Gmbh Oil removal device with oil removal filter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353682A (en) * 1966-02-28 1967-11-21 Pall Corp Fluid-permeable fibrous multilayer materials and process of making the same
GB1222502A (en) * 1967-02-04 1971-02-17 Lantor Ltd Coated non-woven fabrics
US3458338A (en) * 1967-03-14 1969-07-29 Scott Paper Co Liquid-gas contact pads
US3856919A (en) * 1970-06-08 1974-12-24 Burton Parsons Chemicals Inc Ophthalmic solution
GB1265089A (en) * 1969-12-10 1972-03-01
DE1962527A1 (en) * 1969-12-12 1971-06-16 Tech Akustik Gmbh & Co Elastic sports flooring
GB1330642A (en) * 1970-09-17 1973-09-19 Balston Ltd W R Fluid filter
DE2102433C3 (en) * 1971-01-19 1978-07-20 Domnick Hunter (Engineers) Ltd., Washington, Durham (Grossbritannien) Fluid filter with color indicator
DE2131236A1 (en) * 1971-06-24 1973-01-11 Domnick Hunter Holdings Microporous fibre filter - for purificn of liqs and gases
US3891417A (en) * 1974-01-28 1975-06-24 King Eng Corp Filter and sorbent cartridge

Also Published As

Publication number Publication date
SE7703897L (en) 1977-10-06
NL183871C (en) 1989-02-16
DK148952C (en) 1986-06-09
BR7702120A (en) 1977-12-20
CA1076041A (en) 1980-04-22
SE432201B (en) 1984-03-26
AU510129B2 (en) 1980-06-12
JPS52144868A (en) 1977-12-02
GR60807B (en) 1978-08-30
JPS5626452B2 (en) 1981-06-18
NL183871B (en) 1988-09-16
FR2347081B1 (en) 1982-08-27
DE2715204C2 (en) 1984-03-29
AT368401B (en) 1982-10-11
NL7703681A (en) 1977-10-07
DK148952B (en) 1985-12-02
ES457536A1 (en) 1978-11-16
ATA232877A (en) 1982-02-15
AU2395577A (en) 1978-10-12
DE2715204A1 (en) 1977-10-27
CH619152A5 (en) 1980-09-15
FR2347081A1 (en) 1977-11-04

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Legal Events

Date Code Title Description
PHB Application deemed withdrawn due to non-payment or other reasons
PBP Patent lapsed