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
Authority: GB; United Kingdom
Prior art keywords: filters; air; filtering material; filtering; air filters
Prior art date: 1977-03-08
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.)

1977-03-08

Filing date

1977-03-08

Publication date

1979-08-30

1977-03-08 Application filed by Marshall D A G filed Critical Marshall D A G

1977-03-08 Priority to GB999176A priority Critical patent/GB1551336A/en

1979-08-30 Publication of GB1551336A publication Critical patent/GB1551336A/en

Status Expired legal-status Critical Current

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

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Physics & Mathematics (AREA)
Geometry (AREA)

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

1977
- 1977-03-08 GB GB999176A patent/GB1551336A/en not_active Expired

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

Similar Documents

Publication	Publication Date	Title
GB2048110B (en)	1983-04-20	Air filter element
DE3066045D1 (en)	1984-02-09	Air filter
JPS5620468A (en)	1981-02-26	Breathing air moistening warming instrument for breathing device and its manufacture
GB2060626B (en)	1984-05-31	Phenoxyphenylisothioureas and use thereof in pest control
YU149376A (en)	1982-02-28	Improvement in an air purifier
DK405180A (en)	1981-03-27	FILTERING BAG WITH FILTER BAG COMBINED WITH FILTER BAG HOLDER AND AIR DIFFUSER
JPS55129124A (en)	1980-10-06	Filter and its preparation
JPS5620466A (en)	1981-02-26	Exchanger for moisture in breathing device and its manufacture
ZA781287B (en)	1979-02-28	Improvements in centrifugal cleaner apparatus and canister type arrangement thereof
JPS5653719A (en)	1981-05-13	Bag type filter* inside thereof has air diffuser
ZA771500B (en)	1978-06-28	Improvements in or relating to air conditioning
GB2064359B (en)	1983-09-21	Air filters
JPS52138349A (en)	1977-11-18	Apparatus for cleaning and moistening air
GB2000049B (en)	1982-01-27	Particle in gas filtration
GB1551336A (en)	1979-08-30	Air filters and air-filtering material for use in such filters
GB1558114A (en)	1979-12-19	Filtering arrangements and protective breathing apparatus
JPS5416784A (en)	1979-02-07	Filter and air purifier
JPS55149398A (en)	1980-11-20	Skin cleaning and conditioning composition
GB2061497B (en)	1983-06-22	Detection of nickel in air
IL57667A0 (en)	1979-10-31	2-azaergolines and 2-aza-8(or9)-ergolines
GB2117093B (en)	1985-08-29	Air switch and filter combination
GB2052058B (en)	1983-04-20	Sampling particulate material entrained in gas
JPS55148266A (en)	1980-11-18	Bulky nonwoven fabric and method
JPS54143981A (en)	1979-11-09	Air filter and its preparation
JPS5559822A (en)	1980-05-06	Filter material and its preparation and its use

Legal Events

Date	Code	Title	Description
1979-11-14	PS	Patent sealed
1997-04-02	PE20	Patent expired after termination of 20 years	Effective date: 19970307