FR2240974B1 - - Google Patents

Info

Publication number
FR2240974B1
FR2240974B1 FR7427913A FR7427913A FR2240974B1 FR 2240974 B1 FR2240974 B1 FR 2240974B1 FR 7427913 A FR7427913 A FR 7427913A FR 7427913 A FR7427913 A FR 7427913A FR 2240974 B1 FR2240974 B1 FR 2240974B1
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
FR7427913A
Other versions
FR2240974A1 (en
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.)
GCP Products UK Ltd
WR Grace and Co Conn
Original Assignee
WR Grace Ltd
WR Grace and Co Conn
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 WR Grace Ltd, WR Grace and Co Conn filed Critical WR Grace Ltd
Publication of FR2240974A1 publication Critical patent/FR2240974A1/fr
Application granted granted Critical
Publication of FR2240974B1 publication Critical patent/FR2240974B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Cell Separators (AREA)
  • Nonwoven Fabrics (AREA)
FR7427913A 1973-08-13 1974-08-12 Non woven polymer of fine and coarse fibres - esp. for battery separators made by smelt blowing of extruded fibres Granted FR2240974A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38791073A 1973-08-13 1973-08-13

Publications (2)

Publication Number Publication Date
FR2240974A1 FR2240974A1 (en) 1975-03-14
FR2240974B1 true FR2240974B1 (fr) 1978-04-28

Family

ID=23531811

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427913A Granted FR2240974A1 (en) 1973-08-13 1974-08-12 Non woven polymer of fine and coarse fibres - esp. for battery separators made by smelt blowing of extruded fibres

Country Status (4)

Country Link
BR (1) BR7406613D0 (fr)
DE (1) DE2438918A1 (fr)
FR (1) FR2240974A1 (fr)
IT (1) IT1019893B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54140941A (en) * 1978-04-26 1979-11-01 Mitsui Petrochemical Ind Method of producing battery separator
FR2437850A1 (fr) * 1978-10-06 1980-04-30 Vicas Dan Planche a skier
US4279979A (en) * 1978-11-09 1981-07-21 The Dexter Corporation Nonwoven fibrous substrate for battery separator
US4440838A (en) * 1982-06-07 1984-04-03 Kimberly-Clark Corporation Lead acid battery, separator therefor
NZ217669A (en) * 1985-10-02 1990-03-27 Surgikos Inc Meltblown microfibre web includes core web and surface veneer
DE10005454B4 (de) * 2000-02-08 2005-08-18 Papierfabrik Schoeller & Hoesch Gmbh & Co. Kg Einlagiges, beidseitig abrasives Vlies und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
DE2438918A1 (de) 1975-02-27
BR7406613D0 (pt) 1975-05-27
FR2240974A1 (en) 1975-03-14
IT1019893B (it) 1977-11-30

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Legal Events

Date Code Title Description
ST Notification of lapse