GB1551336A - Air filters and air-filtering material for use in such filters - Google Patents

Air filters and air-filtering material for use in such filters

Info

Publication number
GB1551336A
GB1551336A GB999176A GB999176A GB1551336A GB 1551336 A GB1551336 A GB 1551336A GB 999176 A GB999176 A GB 999176A GB 999176 A GB999176 A GB 999176A GB 1551336 A GB1551336 A GB 1551336A
Authority
GB
United Kingdom
Prior art keywords
filters
air
filtering material
filtering
air filters
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
GB999176A
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.)
Marshall D A G
Original Assignee
Marshall D A G
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 Marshall D A G filed Critical Marshall D A G
Priority to GB999176A priority Critical patent/GB1551336A/en
Publication of GB1551336A publication Critical patent/GB1551336A/en
Expired legal-status Critical Current

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
    • B01D46/522—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with specific folds, e.g. having different lengths
    • 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
    • B01D46/0001—Making filtering elements
    • 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
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • 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
    • B01D46/523—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with means for maintaining spacing between the pleats or folds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/12—Pleated filters
    • B01D2201/122—Pleated filters with pleats of different length
GB999176A 1977-03-08 1977-03-08 Air filters and air-filtering material for use in such filters Expired GB1551336A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB999176A GB1551336A (en) 1977-03-08 1977-03-08 Air filters and air-filtering material for use in such filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB999176A GB1551336A (en) 1977-03-08 1977-03-08 Air filters and air-filtering material for use in such filters

Publications (1)

Publication Number Publication Date
GB1551336A true GB1551336A (en) 1979-08-30

Family

ID=9882542

Family Applications (1)

Application Number Title Priority Date Filing Date
GB999176A Expired GB1551336A (en) 1977-03-08 1977-03-08 Air filters and air-filtering material for use in such filters

Country Status (1)

Country Link
GB (1) GB1551336A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385953A (en) * 1981-12-17 1983-05-31 Beck William C Hazardous waste transport container liner and process for manufacturing same
EP0152513A2 (en) * 1981-02-23 1985-08-28 Nippondenso Co., Ltd. Filter element for fluid cleaner systems
DE3723757A1 (en) * 1986-07-18 1988-01-21 Nippon Denso Co METHOD AND DEVICE FOR FORMING FILTER ELEMENTS
GB2250454A (en) * 1988-09-16 1992-06-10 Atomic Energy Authority Uk Air filter
US5741208A (en) * 1996-10-15 1998-04-21 Industrial Transportation, Inc. Environmental container liner and method of manufacture
DE19709309A1 (en) * 1997-03-07 1998-09-10 Knecht Filterwerke Gmbh Plate filter based on continuous sheet material folded into zigzag configuration
EP3219378A1 (en) * 2016-03-15 2017-09-20 Schuko Heinz Schulte-Südhoff GmbH & Co. KG Filter cartridge for the purification of air

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152513A2 (en) * 1981-02-23 1985-08-28 Nippondenso Co., Ltd. Filter element for fluid cleaner systems
EP0152513A3 (en) * 1981-02-23 1987-05-27 Nippondenso Co., Ltd. Filter element for fluid cleaner systems
US4385953A (en) * 1981-12-17 1983-05-31 Beck William C Hazardous waste transport container liner and process for manufacturing same
DE3723757A1 (en) * 1986-07-18 1988-01-21 Nippon Denso Co METHOD AND DEVICE FOR FORMING FILTER ELEMENTS
GB2250454A (en) * 1988-09-16 1992-06-10 Atomic Energy Authority Uk Air filter
GB2250454B (en) * 1988-09-16 1993-03-03 Atomic Energy Authority Uk Air filter
US5741208A (en) * 1996-10-15 1998-04-21 Industrial Transportation, Inc. Environmental container liner and method of manufacture
DE19709309A1 (en) * 1997-03-07 1998-09-10 Knecht Filterwerke Gmbh Plate filter based on continuous sheet material folded into zigzag configuration
EP3219378A1 (en) * 2016-03-15 2017-09-20 Schuko Heinz Schulte-Südhoff GmbH & Co. KG Filter cartridge for the purification of air

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Legal Events

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

Effective date: 19970307