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IN2012DN00385A - - Google Patents

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Publication number
IN2012DN00385A
IN2012DN00385AIN385DEN2012AIN2012DN00385AIN 2012DN00385 AIN2012DN00385 AIN 2012DN00385AIN 385DEN2012 AIN385DEN2012 AIN 385DEN2012AIN 2012DN00385 AIN2012DN00385 AIN 2012DN00385A
Authority
IN
India
Prior art keywords
weight
needle
percent
per square
tubular section
Prior art date
Application number
Inventor
Anil Kohli
Kurt Hans Wyss
Original Assignee
Du Pont
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 Du PontfiledCriticalDu Pont
Publication of IN2012DN00385ApublicationCriticalpatent/IN2012DN00385A/en

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Abstract

This invention relates to a bag filter having a tubular section, a closed end, and an open end; the tubular section comprising a scrimless filter felt consisting essentially of a needle-punched batt of an intimate blend of fibers consisting of 50 to 79 percent by weight meta-aramid staple fiber, and 21 to 50 percent by weight para-aramid staple fiber; said needle-punched batt having a basis weight of from 10 to 17 ounces per square yard (340 to 580 grams per square meter).
IN385DEN20122009-07-202010-07-20IN2012DN00385A (en)

Applications Claiming Priority (2)

Application NumberPriority DateFiling DateTitle
US12/505,780US8114180B2 (en)2009-07-202009-07-20Bag filter comprising scrimless filter felt of meta-and-para-aramid staple fiber
PCT/US2010/042552WO2011011381A1 (en)2009-07-202010-07-20Bag filter comprising scrimless filter felt of meta- and para-aramid staple fiber

Publications (1)

Publication NumberPublication Date
IN2012DN00385Atrue IN2012DN00385A (en)2015-08-21

Family

ID=43128198

Family Applications (1)

Application NumberTitlePriority DateFiling Date
IN385DEN2012IN2012DN00385A (en)2009-07-202010-07-20

Country Status (6)

CountryLink
US (1)US8114180B2 (en)
EP (1)EP2456535A1 (en)
JP (1)JP2012533429A (en)
CN (1)CN102470305A (en)
IN (1)IN2012DN00385A (en)
WO (1)WO2011011381A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US20110011044A1 (en)*2009-07-202011-01-20E.I. Du Pont De Nemours And CompanyBag filter comprising filter felt of meta-aramid and para-aramid staple fiber
DE102011014202A1 (en)*2011-03-162012-09-20Sandler Ag Filter medium for the production of pleated filters
JP6113953B2 (en)*2011-12-282017-04-12帝人株式会社 Filter materials and filter composites
US10512875B2 (en)*2016-01-222019-12-24Bha Altair, LlcFilter and filter media having a fiber blend
JP6692463B2 (en)*2017-01-272020-05-13帝人フロンティア株式会社 Filter cloth for bag filter and manufacturing method thereof

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
NL189176B (en)1956-07-131900-01-01Hisamitsu Pharmaceutical Co PLASTER BASED ON A SYNTHETIC RUBBER.
US3063966A (en)1958-02-051962-11-13Du PontProcess of making wholly aromatic polyamides
US3227793A (en)1961-01-231966-01-04Celanese CorpSpinning of a poly(polymethylene) terephthalamide
DE1193097B (en)1960-06-101965-05-20Cap Ges Fuer Entwicklung Von M Method and circuit arrangement for counting and / or storing pulses
US3414645A (en)1964-06-191968-12-03Monsanto CoProcess for spinning wholly aromatic polyamide fibers
US3287324A (en)1965-05-071966-11-22Du PontPoly-meta-phenylene isophthalamides
US3684284A (en)1970-09-181972-08-15Chas W House & Sons IncPile fabric method and product
US3869430A (en)1971-08-171975-03-04Du PontHigh modulus, high tenacity poly(p-phenylene terephthalamide) fiber
US3869429A (en)1971-08-171975-03-04Du PontHigh strength polyamide fibers and films
US3767756A (en)1972-06-301973-10-23Du PontDry jet wet spinning process
US4056374A (en)1976-02-191977-11-01American Air Filter Company, Inc.Tubular gas filter
DE2632875C2 (en)1976-04-291982-01-14E.I. du Pont de Nemours and Co., 19898 Wilmington, Del. Process for the production of a needled nonwoven fabric from crystallized poly (m-phenylene isophthalamide) fibers and needled, dimensionally stable nonwovens produced therefrom
US4310336A (en)1980-02-251982-01-12Joy Manufacturing CompanyFilter bag attachment
US4490253A (en)1983-04-141984-12-25Tafara Peter TFilter bag with removable ring and handle and method of assembly therefor
US4585833A (en)1983-05-261986-04-29Union Carbide CorporationLow shrinkling curable poly(acrylate) molding compositions
US4481022A (en)1983-12-091984-11-06Reier Gerald JFilter bag assembly
US4536439A (en)1985-01-071985-08-20E. I. Du Pont De Nemours And CompanyLight weight filter felt
JPH038333Y2 (en)*1985-03-041991-02-28
US4668234A (en)1985-08-151987-05-26E. I. Du Pont De Nemours And CompanyAromatic polyamide fibers and process for stabilizing such fibers with surfactants
US4755335A (en)1986-09-121988-07-05E. I. Du Pont De Nemours And CompanyMethod of improving impregnation of poly (meta-phenylene isophthalamide) fibers
US4883496A (en)1988-02-141989-11-28E. I. Du Pont De Nemours And CompanyProcess for dyeing crystalline aromatic polyamide fibers with water-insoluble dyes
JPH03284310A (en)*1990-03-301991-12-16Kanebo LtdFilter cloth for bag filter
US5096459A (en)1990-09-261992-03-17E. I. Du Pont De Nemours And CompanyMethod of dyeing aromatic polyamide fibers with water-soluble dyes
US5288536A (en)*1993-05-281994-02-22E. I. Du Pont De Nemours And CompanyHydraulic-jet-treated stitchbonded fabric
JPH08192017A (en)*1995-01-201996-07-30Teijin LtdFilter cloth improved in durability
US5667743A (en)1996-05-211997-09-16E. I. Du Pont De Nemours And CompanyWet spinning process for aramid polymer containing salts
JP4428683B2 (en)*2001-11-272010-03-10株式会社タクマ Gas purification system and gas purification method
US20040096629A1 (en)*2002-11-192004-05-20Aneja Arun PalVertically stacked carded aramid web useful in fire fighting clothing
US6808548B2 (en)2002-12-312004-10-26Hollinee Glass CorporationThree component filtration material
AU2004226533B2 (en)*2003-03-312009-01-29Toray Industries, Inc.Filter medium
US7043943B2 (en)*2004-06-122006-05-16Monterey MillsHigh heat filter fabric and method
US7344035B1 (en)*2004-06-122008-03-18Siny Corp.High heat filter fabric and method
US20060086656A1 (en)*2004-10-252006-04-27Morgan H WFluid filter with modular housing and method of manufacture
US8211195B2 (en)*2006-05-262012-07-03Propex Inc.Hot gas filtration fabrics with silica and flame resistant fibers
US7819936B2 (en)*2007-08-222010-10-26E.I. Du Pont De Nemours And CompanyFilter felts and bag filters comprising blends of fibers derived from diamino diphenyl sulfone and heat resistant fibers
WO2009064130A2 (en)*2007-11-142009-05-22Kolon Industries, Inc.Aramid nonwoven fabric and preparation method therefor
JP2010260006A (en)*2009-05-082010-11-18Teijin Techno Products LtdFilter material

Also Published As

Publication numberPublication date
US8114180B2 (en)2012-02-14
CN102470305A (en)2012-05-23
EP2456535A1 (en)2012-05-30
WO2011011381A1 (en)2011-01-27
JP2012533429A (en)2012-12-27
US20110011043A1 (en)2011-01-20

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