IT1120533B - Perfezionamento nei separatori per batterie - Google Patents

Perfezionamento nei separatori per batterie

Info

Publication number
IT1120533B
IT1120533B IT50082/79A IT5008279A IT1120533B IT 1120533 B IT1120533 B IT 1120533B IT 50082/79 A IT50082/79 A IT 50082/79A IT 5008279 A IT5008279 A IT 5008279A IT 1120533 B IT1120533 B IT 1120533B
Authority
IT
Italy
Prior art keywords
improvement
battery separators
separators
battery
Prior art date
Application number
IT50082/79A
Other languages
English (en)
Other versions
IT7950082A0 (it
Original Assignee
Grace W R & Co
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 Grace W R & Co filed Critical Grace W R & Co
Publication of IT7950082A0 publication Critical patent/IT7950082A0/it
Application granted granted Critical
Publication of IT1120533B publication Critical patent/IT1120533B/it

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D21H13/38—Inorganic fibres or flakes siliceous
    • D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/14—Polyalkenes, e.g. polystyrene polyethylene
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/24—Polyesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/42—Acrylic resins
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/429—Natural polymers
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/44—Fibrous material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0005—Acid electrolytes
    • 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
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • H01M50/406—Moulding; Embossing; Cutting
    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Cell Separators (AREA)
  • Paper (AREA)
IT50082/79A 1978-08-21 1979-08-21 Perfezionamento nei separatori per batterie IT1120533B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/935,280 US4216281A (en) 1978-08-21 1978-08-21 Battery separator

Publications (2)

Publication Number Publication Date
IT7950082A0 IT7950082A0 (it) 1979-08-21
IT1120533B true IT1120533B (it) 1986-03-26

Family

ID=25466852

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50082/79A IT1120533B (it) 1978-08-21 1979-08-21 Perfezionamento nei separatori per batterie

Country Status (14)

Country Link
US (1) US4216281A (it)
JP (1) JPS5530194A (it)
AR (1) AR227007A1 (it)
AU (1) AU531071B2 (it)
BE (1) BE878363A (it)
BR (1) BR7905359A (it)
CA (1) CA1138032A (it)
DE (1) DE2933103A1 (it)
ES (1) ES483487A1 (it)
FR (1) FR2435823A1 (it)
GB (2) GB2070092B (it)
IT (1) IT1120533B (it)
NL (1) NL7906296A (it)
SE (1) SE7906868L (it)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387144A (en) * 1977-05-11 1983-06-07 Tullis Russell & Company Limited Battery separator material
CA1153512A (en) * 1979-06-04 1983-09-13 Armstrong World Industries, Inc. Asbestos-free rubberized flooring felt
US4264691A (en) * 1979-07-13 1981-04-28 W. R. Grace & Co. Battery interseparator
JPS5699968A (en) * 1980-01-12 1981-08-11 Nippon Muki Kk Separator for battery
FR2481707B1 (fr) * 1980-04-30 1985-07-26 Arjomari Prioux Nouveau materiau sous forme de feuille comportant des fibres de renforcement et un materiau thermoplastique en poudre, et son procede de preparation
AU536383B2 (en) * 1980-05-12 1984-05-03 Dexter Corporation, The Battery separator for lead-acid type batteries
CA1172310A (en) * 1980-06-30 1984-08-07 Stanley J. Strzempko Battery separator material
IT1132217B (it) * 1980-07-22 1986-06-25 Montedison Spa Procedimento per la fabbricazione di separatori per batterie di accumulatori ad acido solforico
FR2511717A1 (fr) * 1981-08-18 1983-02-25 Solvay Compositions pour la fabrication de feuilles consolidees a chaud comprenant des fibrilles de polyolefines et objets obtenus a partir de ces compositions
US4529677A (en) * 1982-02-02 1985-07-16 Texon Incorporated Battery separator material
DE3302535C2 (de) * 1982-02-02 1996-10-31 Emhart Ind Batterieseparator, Verfahren zu seiner Herstellung und seine Verwendung in einer Batterie
JPS5966600A (ja) * 1982-06-30 1984-04-16 ハ−キユリ−ズ・インコ−ポレ−テツド 床仕上用フエルト組成物およびその製造方法
JPS6035455A (ja) * 1983-08-05 1985-02-23 Yuasa Battery Co Ltd 蓄電池用隔離板
JPS60189861A (ja) * 1984-03-12 1985-09-27 Nippon Muki Kk シ−ル型鉛蓄電池用セパレ−タ−並にシ−ル型鉛蓄電池
JPS61269852A (ja) * 1985-05-23 1986-11-29 Nippon Sheet Glass Co Ltd 蓄電池用セパレ−タ
JPS63110547A (ja) * 1986-10-27 1988-05-16 Mitsubishi Paper Mills Ltd 鉛蓄電池用隔離板
WO1988007097A1 (en) * 1987-03-13 1988-09-22 Ppg Industries, Inc. Gas recombinant separator
FR2619117A1 (fr) * 1987-08-04 1989-02-10 Arjomari Prioux Composition papetiere notamment pour feuille thermoplastique renforcee estampable
JPH0722853Y2 (ja) * 1988-12-23 1995-05-24 株式会社ユアサコーポレーション アルカリ蓄電池
JP2743438B2 (ja) * 1989-02-27 1998-04-22 湯浅電池株式会社 密閉形鉛蓄電池
DE3922160A1 (de) * 1989-07-06 1991-01-10 Grace Gmbh Blei/schwefelsaeure-akkumulator, separator fuer blei/schwefelsaeure-akkumulator und verfahren zur verringerung der bildung von dunklen ablagerungen in einem blei/schwefelsaeure-akkumulator
CA2034590A1 (en) * 1990-07-09 1992-01-10 Mark J. Isaacson Battery separator for recombinant batteries
US5154988A (en) * 1991-03-18 1992-10-13 W. R. Grace & Co.-Conn. Deep cycle battery separators
US6495286B2 (en) 1996-07-01 2002-12-17 Hollingsworth & Vose Company Glass fiber separators for lead-acid batteries
WO1998000875A1 (en) * 1996-07-01 1998-01-08 Hollingsworth & Vose Company Glass fiber separators for batteries
US5935884A (en) * 1997-02-14 1999-08-10 Bba Nonwovens Simpsonville, Inc. Wet-laid nonwoven nylon battery separator material
US6071641A (en) * 1997-09-02 2000-06-06 Zguris; George C. Glass fiber separators and batteries including such separators
US6821672B2 (en) * 1997-09-02 2004-11-23 Kvg Technologies, Inc. Mat of glass and other fibers and method for producing it
US6824926B1 (en) 1998-03-20 2004-11-30 Ensci Inc Silica filled polymeric separator containing efficiency improving diatomite additives
US6777131B1 (en) 1998-03-20 2004-08-17 Ensci Inc. Negative plate for a lead acid battery containing efficiency improving additives
US6818355B1 (en) 1998-03-20 2004-11-16 Ensci Inc. Silica filled polymeric separator containing efficiency improving additives
US6242127B1 (en) 1999-08-06 2001-06-05 Microporous Products, L.P. Polyethylene separator for energy storage cell
JP4659187B2 (ja) * 1999-09-14 2011-03-30 日本バイリーン株式会社 電池用セパレータ
JP4052372B2 (ja) * 2001-09-21 2008-02-27 日本板硝子株式会社 密閉型鉛蓄電池用セパレータ及びそれを用いた密閉型鉛蓄電池
US6767460B1 (en) 2002-04-08 2004-07-27 Ensci Inc. Filter media containing ion exchange additives
US8592329B2 (en) * 2003-10-07 2013-11-26 Hollingsworth & Vose Company Vibrationally compressed glass fiber and/or other material fiber mats and methods for making the same
JP4923574B2 (ja) * 2003-10-28 2012-04-25 株式会社Ｇｓユアサ 鉛蓄電池
US6982049B1 (en) 2003-12-03 2006-01-03 No-Burn Investments, L.L.C. Fire retardant with mold inhibitor
US7393576B2 (en) 2004-01-16 2008-07-01 High Voltage Graphics, Inc. Process for printing and molding a flocked article
USD516425S1 (en) 2004-10-27 2006-03-07 Owens- Illinois Closure Inc. Dispensing closure
KR100821442B1 (ko) * 2005-05-31 2008-04-10 마쯔시다덴기산교 가부시키가이샤 비수전해질 2차전지 및 전지모듈
WO2007016341A2 (en) 2005-07-28 2007-02-08 High Voltage Graphics, Inc. Flocked articles incorporating a porous film
WO2007147167A2 (en) * 2006-06-16 2007-12-21 Porous Power Technologies, Llc Optimized microporous structure of electrochemical cells
WO2008101115A1 (en) 2007-02-14 2008-08-21 High Voltage Graphics, Inc. Sublimation dye printed textile
US20090208832A1 (en) * 2008-02-17 2009-08-20 Porous Power Technologies, Llc Lamination Configurations for Battery Applications Using PVDF Highly Porous Film
US20090227163A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Protective Apparel with Porous Material Layer
US20090223155A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Building Construction Applications for Porous Material
US20090222995A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Bedding Applications for Porous Material
US20090226683A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Porous Material Uses in Furniture
US20100178567A1 (en) * 2008-12-24 2010-07-15 Porous Power Technologies, Llc Mat Forming Spacers in Microporous Membrane Matrix
US20100183907A1 (en) * 2008-12-24 2010-07-22 Porous Power Technologies, Llc Hard Spacers in Microporous Membrane Matrix
WO2010135573A2 (en) 2009-05-20 2010-11-25 Porous Power Technologies, Llc Treatment and adhesive for microporous membranes
CN103229328B (zh) * 2010-09-22 2016-09-07 达拉米克有限责任公司 用于怠速启停车辆的改进的隔板、电池、系统及方法
US20120216975A1 (en) * 2011-02-25 2012-08-30 Porous Power Technologies, Llc Glass Mat with Synthetic Wood Pulp
US9263720B2 (en) * 2012-08-22 2016-02-16 Daramic, Llc Battery separator with gel impregnated nonwoven for lead acid battery
JP2016502470A (ja) 2012-10-12 2016-01-28 ハイ ボルテイジ グラフィックス インコーポレイテッドＨｉｇｈ Ｖｏｌｔａｇｅ Ｇｒａｐｈｉｃｓ，Ｉｎｃ． 熱融着可能な可撓性の装飾品およびそれを製造する方法
US20150099168A1 (en) * 2013-10-08 2015-04-09 Johns Manville Reinforced battery separator and methods of use therefor
US10014501B2 (en) * 2014-03-22 2018-07-03 Hollingsworth & Vose Company Battery separators having a low apparent density
JP6663646B2 (ja) * 2014-04-25 2020-03-13 ニッポン高度紙工業株式会社 電池用セパレータおよび電池
US9293748B1 (en) 2014-09-15 2016-03-22 Hollingsworth & Vose Company Multi-region battery separators
CN107431167A (zh) * 2015-02-19 2017-12-01 霍林斯沃思和沃斯有限公司 包含化学添加剂和/或其他组分的电池隔离件
ES2949694T3 (es) * 2015-02-26 2023-10-02 Daramic Llc Separadores con pérdida de agua mejorada utilizados con baterías de plomo – ácido, sistemas para el rendimiento mejorado de la pérdida de agua y sus procedimiento de fabricación y uso
US9786885B2 (en) 2015-04-10 2017-10-10 Hollingsworth & Vose Company Battery separators comprising inorganic particles
US12401090B2 (en) 2020-02-10 2025-08-26 Hollingsworth & Vose Company Embossed separators
US20210376304A1 (en) * 2020-05-29 2021-12-02 Johns Manville Multilayer non-woven mat for lead acid batteries and applications therefor

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734095A (en) * 1956-02-07 Plate separator for storage batteries
US3085126A (en) * 1960-02-26 1963-04-09 Johns Manville Method of producing a battery separator and product thereof
FR1224366A (fr) * 1960-08-09 1960-06-23 Foundry Equipment Ltd Perfectionnements aux dispositifs d'alimentation pour machine à mouler de fonderie
US3272657A (en) * 1960-11-14 1966-09-13 Evans Prod Co Method of making a battery separator
US3247025A (en) * 1963-08-29 1966-04-19 Monsanto Co Phenolic resin and battery separator impregnated therewith
US3351495A (en) * 1966-11-22 1967-11-07 Grace W R & Co Battery separator
US3472700A (en) * 1967-03-01 1969-10-14 Nat Lead Co Electrolyte-wettable storage battery separators and process for forming same
US3784413A (en) * 1969-07-22 1974-01-08 Matsushita Electric Industrial Co Ltd Dry cells
US3743272A (en) * 1971-04-12 1973-07-03 Crown Zellerbach Corp Process of forming polyolefin fibers
PH10340A (en) * 1971-06-03 1976-12-09 Crown Zellerbach Int Inc Synthetic papermaking pulp and process of manufacture
BE789808A (fr) * 1971-10-12 1973-04-06 Crown Zellerbach Int Inc Pate a papier de polyolefine ayant de meilleures proprietes d'egouttageet procede pour la produire
US3997648A (en) * 1972-01-03 1976-12-14 Gulf Research & Development Company Fibril formation process
JPS5133248B2 (it) * 1972-02-14 1976-09-18
US3987139A (en) * 1972-03-20 1976-10-19 Crown Zellerbach Corporation Process of forming synthetic fibers
CA993502A (en) * 1972-09-21 1976-07-20 Union Carbide Corporation Battery separators
GB1450892A (en) * 1972-09-26 1976-09-29 Ici Ltd Production of fibrils
NL171825C (nl) * 1973-01-22 1983-05-16 Stamicarbon Werkwijze voor het bereiden van polymeervezels.
US3902957A (en) * 1973-04-05 1975-09-02 Crown Zellerbach Corp Process of making fibers
JPS5530253B2 (it) 1974-03-06 1980-08-09
DE2438531C3 (de) * 1974-08-10 1982-04-08 Fa. Carl Freudenberg, 6940 Weinheim Separatorenmaterial
US4024323A (en) * 1975-02-06 1977-05-17 Evans Products Company Battery separator

Also Published As

Publication number Publication date
BE878363A (fr) 1979-12-17
BR7905359A (pt) 1980-07-08
IT7950082A0 (it) 1979-08-21
GB2028887B (en) 1983-06-15
GB2070092A (en) 1981-09-03
AU5014079A (en) 1980-02-28
FR2435823B1 (it) 1983-07-22
SE7906868L (sv) 1980-02-22
FR2435823A1 (fr) 1980-04-04
GB2028887A (en) 1980-03-12
AR227007A1 (es) 1982-09-15
JPS5530194A (en) 1980-03-03
AU531071B2 (en) 1983-08-11
ES483487A1 (es) 1980-04-01
CA1138032A (en) 1982-12-21
US4216281A (en) 1980-08-05
DE2933103A1 (de) 1980-03-06
NL7906296A (nl) 1980-02-25
GB2070092B (en) 1983-11-16

Similar Documents

Publication Publication Date Title
IT1120533B (it) Perfezionamento nei separatori per batterie
BE876690A (fr) Perfectionnements relatifs aux batteries multicellulaires
IT7950805A0 (it) Perfezionamento nei morsetti passanti di collegamento in particolareper elementi di batteria
FR2502402B1 (fr) Batterie plomb-acide
IT1207120B (it) Perfezionamento nei separatori per batterie
IT1124812B (it) Connettore per batterie
DK149278C (da) Blyakkumulator
IT8022532A0 (it) Separatore per accumulatori.
IT1171596B (it) Separatore per batterie
IT8049818A0 (it) Perfezionamento nelle boccole per ipoli di batterie
IT1079376B (it) Perfezionamento nei separatori per batterie secondarie di tipo alcalino
IT1170675B (it) Perfezionamento nei separatori per batterie di accumulatori al piombo
SE7903652L (sv) Batteriladdare
IT1127349B (it) Perfezionamento nei separatori per batterie
ES510590A0 (es) Perfeccionamientos en baterias plomo-acido.
GB2036468B (en) Battery separator
ES490597A0 (es) Perfeccionamiento en las baterias recargables.
IT1143120B (it) Perfezionamento nei separatori per batterie elettrolitiche al piombo/acido
IT1148004B (it) Perfezionamento nelle pile elettrochimiche
ES489249A0 (es) Perfeccionamientos en baterias electricas
JPS54129320A (en) Rechargeable nonnwater cell
GB2030350B (en) Lead-acid batteries
IT1113701B (it) Perfezionamento negli accumulatori elettrici
JPS5359835A (en) Battery separator
AR226996Q (es) Mejoras en la construccion de baterias