IT1019172B - Procedimento continuo per la produ zione di materiale in foglio non in tessuto con fibre termoplastiche e prodotto ottenuto - Google Patents

Procedimento continuo per la produ zione di materiale in foglio non in tessuto con fibre termoplastiche e prodotto ottenuto

Info

Publication number
IT1019172B
IT1019172B IT52820/74A IT5282074A IT1019172B IT 1019172 B IT1019172 B IT 1019172B IT 52820/74 A IT52820/74 A IT 52820/74A IT 5282074 A IT5282074 A IT 5282074A IT 1019172 B IT1019172 B IT 1019172B
Authority
IT
Italy
Prior art keywords
production
sheet material
obtained product
thermoplastic fibers
woven sheet
Prior art date
Application number
IT52820/74A
Other languages
English (en)
Original Assignee
Pall Corp
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 Pall Corp filed Critical Pall Corp
Application granted granted Critical
Publication of IT1019172B publication Critical patent/IT1019172B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/111—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/001—Making filtering elements not provided for elsewhere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/22—Cell-type filters
    • B01D25/24—Cell-type roll filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • B01D29/216—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets with wound sheets
    • 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
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0407—Perforated supports on both sides of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/18—Filters characterised by the openings or pores
    • B01D2201/188—Multiple filtering elements having filtering areas of different size
    • 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
    • B01D2239/04—Additives and treatments of 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
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
    • B01D2239/0428—Rendering the filter material hydrophobic
    • 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
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0464—Impregnants
    • 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
    • B01D2239/0622—Melt-blown
    • 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
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0654—Support layers
    • 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
    • B01D2239/069—Special geometry of layers
    • B01D2239/0695—Wound layers
    • 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
    • B01D2239/10—Filtering material manufacturing
    • 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
    • B01D2239/1216—Pore size
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/75—Processes of uniting two or more fibers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1362—Textile, fabric, cloth, or pile containing [e.g., web, net, woven, knitted, mesh, nonwoven, matted, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249922—Embodying intertwined or helical component[s]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/681—Spun-bonded nonwoven fabric

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Filtering Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Laminated Bodies (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)
IT52820/74A 1973-08-31 1974-08-30 Procedimento continuo per la produ zione di materiale in foglio non in tessuto con fibre termoplastiche e prodotto ottenuto IT1019172B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/393,688 US3933557A (en) 1973-08-31 1973-08-31 Continuous production of nonwoven webs from thermoplastic fibers and products

Publications (1)

Publication Number Publication Date
IT1019172B true IT1019172B (it) 1977-11-10

Family

ID=23555816

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52820/74A IT1019172B (it) 1973-08-31 1974-08-30 Procedimento continuo per la produ zione di materiale in foglio non in tessuto con fibre termoplastiche e prodotto ottenuto

Country Status (14)

Country Link
US (2) US3933557A (it)
JP (2) JPS5529183B2 (it)
BE (1) BE819442A (it)
BR (1) BR7407280D0 (it)
CA (1) CA1015146A (it)
CH (1) CH582774A5 (it)
DE (3) DE2462882C3 (it)
FI (1) FI59430C (it)
FR (1) FR2242502B1 (it)
GB (1) GB1459010A (it)
IT (1) IT1019172B (it)
NO (1) NO141521C (it)
SE (1) SE395725B (it)
ZA (1) ZA745548B (it)

Families Citing this family (104)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1522605A (en) * 1974-09-26 1978-08-23 Ici Ltd Preparation of fibrous sheet product
US4209563A (en) * 1975-06-06 1980-06-24 The Procter & Gamble Company Method for making random laid bonded continuous filament cloth
JPS5945778B2 (ja) * 1975-08-12 1984-11-08 日本板硝子株式会社 連続して帯状の預層ガラス短繊維体を製造する方法
IL51212A (en) * 1976-01-14 1980-03-31 Pall Corp Filter elements and process for their continuous production by laydown of thermoplastic fibers on a preformed core to form a nonwoven cylindrical web
DE2618623C2 (de) * 1976-04-28 1982-12-09 Fa. Carl Freudenberg, 6940 Weinheim Mikroporöser Separator
CA1073648A (en) * 1976-08-02 1980-03-18 Edward R. Hauser Web of blended microfibers and crimped bulking fibers
JPS53114974A (en) * 1977-03-15 1978-10-06 Toa Nenryo Kogyo Kk Method and apparatus for making nonnwoven structure
US4301203A (en) * 1978-07-27 1981-11-17 Pnc Company Manufacturing a thermoplastic non-woven web comprising coherently interconnected filaments
US4282905A (en) * 1978-09-01 1981-08-11 E. I. Du Pont De Nemours And Company Manufacture of seamless laminated tubing
US4240864A (en) * 1979-05-25 1980-12-23 Celanese Corporation Spray spinning collection unit
DE2941396A1 (de) * 1979-10-12 1981-04-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Drehanoden-roentgenroehre mit einem grundkoerper aus graphit
US4526733A (en) * 1982-11-17 1985-07-02 Kimberly-Clark Corporation Meltblown die and method
ZA837913B (en) * 1982-11-17 1984-06-27 Marling Insulations Sleeving
DE3318940A1 (de) * 1983-05-25 1984-11-29 Sartorius GmbH, 3400 Göttingen Rohrfoermiges filterelement
US4565356A (en) * 1983-10-13 1986-01-21 A. O. Smith Corporation Bushing construction for a fiber reinforced plastic leaf spring
US4726901A (en) * 1984-01-06 1988-02-23 Pall Corporation Cylindrical fibrous structures with graded pore size
US4594202A (en) * 1984-01-06 1986-06-10 Pall Corporation Method of making cylindrical fibrous filter structures
GB8422530D0 (en) * 1984-09-06 1984-10-10 Shirley Inst Production of porous tubes
US4604203A (en) * 1984-09-14 1986-08-05 Minnesota Mining And Manufacturing Co. Cooking oil filtering apparatus and filter therefor
JPS61146862A (ja) * 1984-12-15 1986-07-04 三井化学株式会社 綿状物の製造方法
US4774001A (en) * 1984-12-21 1988-09-27 Pall Corporation Supported microporous membrane
US4762749A (en) * 1985-08-02 1988-08-09 Owens-Corning Fiberglas Corporation Fibrous polymer insulation
US4833013A (en) * 1985-08-02 1989-05-23 Owens-Corning Fiberglas Corporation Fibrous polymer insulation
FR2586966B1 (fr) * 1985-09-11 1988-02-26 France Etat Armement Structures multicanaux en materiaux composites, procedes et demi-produits pour la fabrication de celles-ci
JPH0811167B2 (ja) * 1986-06-30 1996-02-07 旭化成工業株式会社 無機質粒子が分散した排液の処理方法
JPH0775648B2 (ja) * 1987-05-19 1995-08-16 チッソ株式会社 円筒状フイルタ−
US4893792A (en) * 1987-11-16 1990-01-16 Hitachi, Ltd. Cold trap
DE3740249C1 (de) * 1987-11-27 1988-11-10 Sartorius Gmbh Filterwickelmodul
DE3836973A1 (de) * 1988-10-31 1990-05-03 Basf Lacke & Farben Filter zur entfernung von hydrophoben substanzen aus elektrotauchlacken
US5269921A (en) * 1989-04-11 1993-12-14 Seitz-Filter-Werke Gmbh & Co. Filter cartridge or filter module consisting of flexible deep filter material
DE3911826A1 (de) * 1989-04-11 1990-10-31 Seitz Filter Werke Filterkerze bzw. filtermodul aus flexiblem tiefenfiltermaterial
US5122211A (en) * 1989-10-11 1992-06-16 Heat Transfer Technologies, Inc. Method for forming thermoplastic composite filament into a structure
US5123990A (en) * 1989-10-11 1992-06-23 Heat Transfer Technologies, Inc. Apparatus for forming thermoplastic composite filament into a structure
TW206266B (it) * 1991-06-12 1993-05-21 Toray Industries
US5290446A (en) * 1992-06-10 1994-03-01 Pall Corporation Helical wrapped filter element
US5503782A (en) * 1993-01-28 1996-04-02 Minnesota Mining And Manufacturing Company Method of making sorbent articles
US5360654A (en) * 1993-01-28 1994-11-01 Minnesota Mining And Manufacturing Company Sorbent articles
US5366576A (en) * 1993-04-14 1994-11-22 Clack Corporation Method for producing tubular products from nonwoven fibers
US5409642A (en) * 1993-10-06 1995-04-25 Exxon Chemical Patents Inc. Melt blowing of tubular filters
US5425907A (en) * 1993-10-18 1995-06-20 Schuller International, Inc. Method of making a cylindrical filter cartridge
US5431829A (en) * 1993-12-16 1995-07-11 Pall Corporation Polymethylpentene filtration medium
US6214143B1 (en) * 1994-05-13 2001-04-10 Johns Mansville International, Inc. Method and apparatus for forming a uniform blanket of synthetic or glass fibers
US5582907A (en) * 1994-07-28 1996-12-10 Pall Corporation Melt-blown fibrous web
EP0772484B1 (en) * 1994-07-28 2008-02-27 Pall Corporation Fibrous web and process of preparing same
US5591335A (en) * 1995-05-02 1997-01-07 Memtec America Corporation Filter cartridges having nonwoven melt blown filtration media with integral co-located support and filtration
US5653833A (en) * 1996-07-25 1997-08-05 Memtec America Corporation Method for integrally joining preformed thermoplastic core elements especially adapted for the continuous manufacture of melt-blown filter cartridges
US5829708A (en) * 1996-10-02 1998-11-03 Memtec America Corporation Apparatus and method for making melt-blown nonwoven sheets
US5743560A (en) * 1996-10-09 1998-04-28 Autoliv Asp, Inc. Spiral wrapped inner tube for gas generator filter
US6001303A (en) * 1997-12-19 1999-12-14 Kimberly-Clark Worldwide, Inc. Process of making fibers
US6342283B1 (en) * 1999-03-30 2002-01-29 Usf Filtration & Separations, Inc. Melt-blown tubular core elements and filter cartridges including the same
US6358417B1 (en) * 1999-04-21 2002-03-19 Osmonics, Inc. Non-woven depth filter element
US6521555B1 (en) 1999-06-16 2003-02-18 First Quality Nonwovens, Inc. Method of making media of controlled porosity and product thereof
US6413344B2 (en) 1999-06-16 2002-07-02 First Quality Nonwovens, Inc. Method of making media of controlled porosity
CA2313069C (en) 1999-07-01 2006-05-09 Filtertek Inc. Semisolid product dispensing head
US6596205B1 (en) * 2000-08-09 2003-07-22 Aaf-Mcquay Arrangement for forming a layered fibrous mat of varied porosity
US6613268B2 (en) 2000-12-21 2003-09-02 Kimberly-Clark Worldwide, Inc. Method of increasing the meltblown jet thermal core length via hot air entrainment
US6736274B2 (en) 2001-08-17 2004-05-18 Total Filter Technology, Inc. Nonwoven tubular filter extracting
US20030065297A1 (en) * 2001-09-28 2003-04-03 The Procter & Gamble Company Process for manufacturing disposable fluid-handling article
US6938781B2 (en) * 2001-10-23 2005-09-06 Osmonics, Incorporated Three-dimensional non-woven filter
US20030116874A1 (en) * 2001-12-21 2003-06-26 Haynes Bryan David Air momentum gage for controlling nonwoven processes
US20060031111A9 (en) * 2002-05-30 2006-02-09 Whymark Thomas J Multi-market broadcast tracking, management and reporting method and system
US6846450B2 (en) * 2002-06-20 2005-01-25 3M Innovative Properties Company Method for making a nonwoven web
FR2841795B1 (fr) * 2002-07-04 2004-09-24 Millipore Corp Cartouche filtrante
AU2004247089B2 (en) * 2003-06-06 2009-07-30 Pall Corporation Fluid treatment element
US7425517B2 (en) * 2003-07-25 2008-09-16 Kimberly-Clark Worldwide, Inc. Nonwoven fabric with abrasion resistance and reduced surface fuzziness
US20060093815A1 (en) * 2004-11-04 2006-05-04 Wilkins Rodney R Glass fiber filtration media with at least two different fiber diameters
US8236210B2 (en) * 2005-03-04 2012-08-07 Pall Corporation Corrugated fluid treatment packs and methods of making them
US20060206073A1 (en) * 2005-03-11 2006-09-14 Crane Patrick L Insitube-formed absorbent core structures
US20060202379A1 (en) * 2005-03-11 2006-09-14 Rachelle Bentley Method of making absorbent core structures with encapsulated superabsorbent material
US20060206072A1 (en) * 2005-03-11 2006-09-14 Nezam Malakouti Planar-formed absorbent core structures
US20060206074A1 (en) * 2005-03-11 2006-09-14 The Procter & Gamble Company Absorbent core structures having undulations
US20060204723A1 (en) * 2005-03-11 2006-09-14 Rachelle Bentley Method of making absorbent core structures
US20060202380A1 (en) * 2005-03-11 2006-09-14 Rachelle Bentley Method of making absorbent core structures with undulations
US7674425B2 (en) * 2005-11-14 2010-03-09 Fleetguard, Inc. Variable coalescer
US8114183B2 (en) * 2005-09-20 2012-02-14 Cummins Filtration Ip Inc. Space optimized coalescer
US20070062886A1 (en) * 2005-09-20 2007-03-22 Rego Eric J Reduced pressure drop coalescer
US8231752B2 (en) * 2005-11-14 2012-07-31 Cummins Filtration Ip Inc. Method and apparatus for making filter element, including multi-characteristic filter element
EP1976694A4 (en) * 2006-01-17 2010-06-30 Interface Biologics Inc ALCOHOL AND WATER RESISTANT NONWOVENS
WO2008154725A1 (en) * 2007-06-19 2008-12-24 National Research Council Of Canada Non-woven mat and method of producing same
US7658876B2 (en) * 2008-02-08 2010-02-09 Lexmark International, Inc. Method to fabricate a seamless tube
DE102009006058B3 (de) 2009-01-24 2010-07-01 Mann + Hummel Gmbh Vorrichtung und Verfahren zur Herstellung eines schlauchförmigen Filtermediums
DK2295132T3 (en) 2009-05-15 2016-12-05 Interface Biologics Inc Antithrombogenic hollow-fiber membranes, molding material and blood long
US8413396B2 (en) * 2009-08-11 2013-04-09 Wisconsin Alumni Research Foundation Splice system for connecting rebars in concrete assemblies
US8664318B2 (en) 2011-02-17 2014-03-04 Baker Hughes Incorporated Conformable screen, shape memory structure and method of making the same
US9017501B2 (en) 2011-02-17 2015-04-28 Baker Hughes Incorporated Polymeric component and method of making
US8684075B2 (en) 2011-02-17 2014-04-01 Baker Hughes Incorporated Sand screen, expandable screen and method of making
US9044914B2 (en) 2011-06-28 2015-06-02 Baker Hughes Incorporated Permeable material compacting method and apparatus
US20130032969A1 (en) * 2011-08-05 2013-02-07 Baker Hughes Incorporated Permeable material compacting apparatus and method
US8720590B2 (en) 2011-08-05 2014-05-13 Baker Hughes Incorporated Permeable material compacting method and apparatus
US8721958B2 (en) 2011-08-05 2014-05-13 Baker Hughes Incorporated Permeable material compacting method and apparatus
FR2993475B1 (fr) * 2012-07-19 2015-06-26 Cummins Filtration Sarl Ensemble de filtrage comportant une cartouche de filtration amovible
US9322114B2 (en) 2012-12-03 2016-04-26 Exxonmobil Chemical Patents Inc. Polypropylene fibers and fabrics
CN103114340A (zh) * 2013-02-22 2013-05-22 昆山鸿福泰环保科技有限公司 一种用于pp滤芯加工的纺锤形螺头
US20140326683A1 (en) * 2013-05-06 2014-11-06 Pall Corporation Coalescers and methods for separating liquids in an immiscible mixture
US9260799B1 (en) 2013-05-07 2016-02-16 Thomas M. Tao Melt-blowing apparatus with improved primary air delivery system
US10179426B2 (en) 2013-11-06 2019-01-15 Bl Technologies, Inc. Large format melt-blown depth filter cartridge
US11845019B2 (en) 2013-11-06 2023-12-19 Bl Technologies, Inc. Large format melt-blown depth filter cartridge
DE102014018234A1 (de) 2013-12-18 2015-06-18 Mann + Hummel Gmbh Verfahren und Werkzeug zum Herstellen von Filterkörpern
JP2018519987A (ja) 2015-04-28 2018-07-26 ゼネラル・エレクトリック・カンパニイ メルトブローデプスフィルタ要素と、それを作製する方法および機械
DE102015209363A1 (de) * 2015-05-21 2016-11-24 Mahle International Gmbh Verfahren zur Herstellung eines Meltblown-Wickelfilters
PL412799A1 (pl) * 2015-06-22 2017-01-02 Secura B. C. Spółka Z Ograniczoną Odpowiedzialnością Ciągły sposób wytwarzania wkładów filtracyjnych
DE102016005354A1 (de) * 2016-05-03 2017-11-09 Mann+Hummel Gmbh Filtereinrichtung, insbesondere Gasfilter
BR112019007896B1 (pt) 2016-10-18 2022-11-08 Interface Biologics, Inc Composição misturada, artigo e seu método de produção
TW202031958A (zh) 2018-12-05 2020-09-01 奧地利商蘭仁股份有限公司 生產管狀纖維素紡黏不織布的方法和裝置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2584387A (en) * 1944-11-06 1952-02-05 Bowser Inc Expendible cartridge filter and method of making same
DE1660190U (de) 1953-05-06 1953-07-30 Martha Pflueger Sieb, insbesondere fuer knochen.
DE1660763U (de) 1953-06-02 1953-08-06 Klaus Joppich Ungewoelbter schuhanzieher.
US2946449A (en) * 1957-08-15 1960-07-26 Ernest C Shaw Liquid filters
US3063888A (en) * 1959-07-07 1962-11-13 Permanent Filter Corp Method of making a wrapped filter tube of fiberglass and foraminous material
US3076554A (en) 1960-08-03 1963-02-05 Mine Safety Appliances Co Filter coil
BE631990A (it) * 1962-05-07 1900-01-01
GB1088931A (en) * 1964-01-10 1967-10-25 Ici Ltd Continuous filament nonwoven materials
US3268442A (en) * 1964-05-08 1966-08-23 Pall Corp Process for separating immisicible liquids and apparatus
US3526557A (en) * 1966-11-18 1970-09-01 American Air Filter Co Method for making filamentous mats
US3506420A (en) * 1967-04-05 1970-04-14 American Air Filter Co Method and apparatus for making filamentous products
DE1660763B1 (de) * 1967-07-04 1972-05-31 Dilo Kg Oskar Vorrichtung zur Herstellung von Schlauchfilzen aus einem Faservliesband
US3615998A (en) 1968-07-10 1971-10-26 Celanese Corp Method of biaxially oriented nonwoven tubular material
US3615995A (en) * 1968-08-14 1971-10-26 Exxon Research Engineering Co Method for producing a melt blown roving
US3649402A (en) * 1968-09-23 1972-03-14 Shell Oil Co Method and apparatus for winding resin-impregnated filaments to reduce entrained air
CA995430A (en) 1968-12-23 1976-08-24 Robert R. Buntin Non-woven polypropylene mats by melt blowing
US3689342A (en) * 1970-12-08 1972-09-05 Celanese Corp Method for producing spray-spun nonwoven sheets
JPS5738943B2 (it) * 1971-08-17 1982-08-18
JPS5031317B2 (it) * 1971-09-01 1975-10-09
JPS5240532B2 (it) * 1971-09-14 1977-10-13
US3801400A (en) * 1972-03-24 1974-04-02 Celanese Corp Varying density cartridge filters
US3834547A (en) * 1972-06-19 1974-09-10 Albany Int Corp Fibrous product
US3825380A (en) * 1972-07-07 1974-07-23 Exxon Research Engineering Co Melt-blowing die for producing nonwoven mats

Also Published As

Publication number Publication date
DE2440998B2 (de) 1980-04-17
FR2242502B1 (it) 1978-12-01
DE2462882C3 (de) 1982-01-07
ZA745548B (en) 1975-10-29
FI255274A (it) 1975-03-01
NO743127L (it) 1975-03-24
JPS5648624B2 (it) 1981-11-17
NO141521B (no) 1979-12-17
JPS5590661A (en) 1980-07-09
NO141521C (no) 1980-03-26
DE2440998A1 (de) 1975-03-13
CH582774A5 (it) 1976-12-15
US3933557A (en) 1976-01-20
JPS5053666A (it) 1975-05-12
BR7407280D0 (pt) 1975-06-24
FI59430B (fi) 1981-04-30
DE2440998C3 (de) 1981-01-22
FI59430C (fi) 1981-08-10
GB1459010A (en) 1976-12-22
JPS5529183B2 (it) 1980-08-01
FR2242502A1 (it) 1975-03-28
US4112159A (en) 1978-09-05
DE2462881C2 (de) 1984-04-12
AU7285374A (en) 1976-03-04
SE7410984L (it) 1975-03-03
DE2462882B2 (de) 1981-05-07
CA1015146A (en) 1977-08-09
SE395725B (sv) 1977-08-22
BE819442A (fr) 1975-03-03

Similar Documents

Publication Publication Date Title
IT1019172B (it) Procedimento continuo per la produ zione di materiale in foglio non in tessuto con fibre termoplastiche e prodotto ottenuto
IT1112147B (it) Procedimento per la produzione direti in materiale plastico e prodotto ottenuto
IT1011290B (it) Materiale fibroso in foglio e processo per la sua produzione
IT1011329B (it) Materiale fibroso in foglio e processo per la sua produzione
IT948268B (it) Procedimento per la produzione di tessuti a fibre non intessute e prodotto ottenuto
IT8047840A0 (it) Procedimento per la produzione di filamenti di materiale plastico di elevate caratteristiche meccaniche e prodotto ottenuto
IT1003367B (it) Procedimento per la formazione di un materiale continuo rinforzato con fibre ed incorporato in resi na termoindurente
IT1015104B (it) Apparecchio per trattare in modo continuo a caldo del materiale fibroso sotto pressione
IT985240B (it) Procedimento per la produzione di filamenti di materiale plastico cristallino e prodotto ottenuto
IT7949036A0 (it) Balistici in fibre sintetiche a fi procedimento per produrre elmetti lamento continuo e prodotto ottenuto
IT957985B (it) Perfezionamento nei dispositivi per la produzione di materiale in foglio continuo sagomato adatto in particolare per confe zioni ed imballaggi
IL38257A0 (en) Process for felting inorganic fibrous material and product obtained
IT1026175B (it) Procedimento per la produzione di fibre inorganiche ad alta densita e prodotto ottenuto
IT986070B (it) Metodo e apparecchiatura per formare un nastro di materiale continuo costituito da particelle fibrose
FR2279688A1 (fr) Produit d'ensimage pour faconnage de fibres de verre
IT1051833B (it) Apparecchiatura per la produzione in continuo di corpi cavi orientati di materiale termoplastico
IT941551B (it) Procedimento per la formatura di articoli di materiale termoplastico
IT1005982B (it) Procedimento ed apparecchio per la produzione di polimeri in particola re in forma di fibre e prodotto ot tenuto
IT997785B (it) Procedimento di rivestimento con materiale plastico e prodotto ottenuto
IT1050683B (it) Procedimento per la produzione di corpi cavi in materia plastica
IT1075475B (it) Apparecchiatura per la produzione in continuo di corpi cavi orientati di materiale termoplastico
IT1021952B (it) Procedimento per lo stampaggio di materiale plastico e prodotto ottenuto
IT1051111B (it) Macchina per la formazione con procedimento continuo di profilati pieni e cavi in materiale sintetico espanso
IT1076943B (it) Apparato per controllare la distribuzione di materiale plastico nella fabbricazione di contenitori in materiale plastico biassialmente orientato
IT1053854B (it) Procedimento per la produzione di materiale polimerico in foglio con rinforzo fibroso