FR2231409B1 - - Google Patents

Info

Publication number: FR2231409B1
Authority: FR; France
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

FR7410928A

Other languages

Other versions

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.)

SCHIRP KG A

Original Assignee

SCHIRP KG A

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.)

1973-05-30

Filing date

1974-03-28

Publication date

1978-11-17

1974-03-28 Application filed by SCHIRP KG A filed Critical SCHIRP KG A

1974-12-27 Publication of FR2231409A1 publication Critical patent/FR2231409A1/en

1978-11-17 Application granted granted Critical

1978-11-17 Publication of FR2231409B1 publication Critical patent/FR2231409B1/fr

Status Granted 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
- B01D46/523—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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Filtering Of Dispersed Particles In Gases (AREA)

FR7410928A 1973-05-30 1974-03-28 Flat frame for pleated filter sheet - with no need for manually fitted cross bars to support sheets Granted FR2231409A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19732327605 DE2327605A1 (en)	1973-05-30	1973-05-30	FILTER CELL FRAME

Publications (2)

Publication Number	Publication Date
FR2231409A1 FR2231409A1 (en)	1974-12-27
FR2231409B1 true FR2231409B1 (en)	1978-11-17

Family

ID=5882617

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7410928A Granted FR2231409A1 (en)	1973-05-30	1974-03-28	Flat frame for pleated filter sheet - with no need for manually fitted cross bars to support sheets

Country Status (5)

Country	Link
BE (1)	BE812834A (en)
DE (1)	DE2327605A1 (en)
FR (1)	FR2231409A1 (en)
IT (1)	IT1011426B (en)
NL (1)	NL7406624A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4617122A (en) *	1984-08-01	1986-10-14	Donaldson Company, Inc.	Crimp seal pleated filter assembly
DE4010732A1 (en) *	1990-04-03	1991-10-10	Knecht Filterwerke Gmbh	FILTER ELEMENT MADE OF A ZIGZAG FOLDED, RING OR PLATE FILTER MATERIAL
SE502310C2 (en) *	1992-11-09	1995-10-02	Mikroklimat Sweden Ab	Air Filter elements
US5512172A (en) *	1994-06-10	1996-04-30	Racal Filter Technologies, Ltd.	Method for sealing the edge of a filter medium to a filter assembly and the filter assembly produced thereby
US5676778A (en) *	1995-09-05	1997-10-14	The Racal Corporation Canada Inc.	Method of manufacturing a filter assembly and the filter assembly produced thereby
US5531892A (en) *	1995-09-15	1996-07-02	Minnesota Mining And Manufacturing Company	Zigzag filter media and frame having triangular pleat stabilizing elements
DE19736290B4 (en) *	1997-08-21	2007-03-29	Carl Freudenberg Kg	Method for producing a filter arrangement
DE102011008325B4 (en) *	2011-01-11	2016-12-15	Carl Freudenberg Kg	Wedge-shaped filter element with two plate filters and its use

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB588957A (en) *	1945-03-12	1947-06-06	Charles Frederick Davis	Filter casings

1973
- 1973-05-30 DE DE19732327605 patent/DE2327605A1/en active Pending
1974
- 1974-03-26 BE BE142451A patent/BE812834A/en unknown
- 1974-03-28 FR FR7410928A patent/FR2231409A1/en active Granted
- 1974-05-10 IT IT5092074A patent/IT1011426B/en active
- 1974-05-16 NL NL7406624A patent/NL7406624A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
DE2327605A1 (en)	1975-01-02
FR2231409A1 (en)	1974-12-27
BE812834A (en)	1974-07-15
IT1011426B (en)	1977-01-20
NL7406624A (en)	1974-12-03

Publication	Publication Date	Title
AR201758A1 (en)	1975-04-15
AU476761B2 (en)	1976-09-30
AU465372B2 (en)	1975-09-25
AR201235Q (en)	1975-02-21
AR201231Q (en)	1975-02-21
AU474593B2 (en)	1976-07-29
AU474511B2 (en)	1976-07-22
AU474838B2 (en)	1976-08-05
AU471343B2 (en)	1976-04-15
AU465453B2 (en)	1975-09-25
AU465434B2 (en)	1975-09-25
AU450229B2 (en)	1974-07-04
AU476714B2 (en)	1976-09-30
FR2231409B1 (en)	1978-11-17
AR201229Q (en)	1975-02-21
AU466283B2 (en)	1975-10-23
AU476696B2 (en)	1976-09-30
AU472848B2 (en)	1976-06-03
AR199451A1 (en)	1974-08-30
AR201432A1 (en)	1975-03-14
AU447540B2 (en)	1974-03-25
AU471461B2 (en)	1976-04-29
AR196382A1 (en)	1973-12-18
AU461342B2 (en)	1975-05-22
AR197627A1 (en)	1974-04-23

Legal Events

Date	Code	Title	Description
1980-01-18	ST	Notification of lapse