IT8348359A0 - Metodo per legare una membrana scambiatrice di cationi con un foglio di resina fluorurato - Google Patents

Metodo per legare una membrana scambiatrice di cationi con un foglio di resina fluorurato

Info

Publication number
IT8348359A0
IT8348359A0 IT8348359A IT4835983A IT8348359A0 IT 8348359 A0 IT8348359 A0 IT 8348359A0 IT 8348359 A IT8348359 A IT 8348359A IT 4835983 A IT4835983 A IT 4835983A IT 8348359 A0 IT8348359 A0 IT 8348359A0
Authority
IT
Italy
Prior art keywords
bonding
resin sheet
cation exchange
exchange membrane
fluorinated resin
Prior art date
Application number
IT8348359A
Other languages
English (en)
Other versions
IT1172262B (it
Inventor
Kumagai Isao
Kataoka Makoto
Kinoshita Yuji
Original Assignee
Chlorine Eng Corp Ltd
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
Priority claimed from JP57087319A external-priority patent/JPS58204030A/ja
Priority claimed from JP57087318A external-priority patent/JPS58204029A/ja
Application filed by Chlorine Eng Corp Ltd filed Critical Chlorine Eng Corp Ltd
Publication of IT8348359A0 publication Critical patent/IT8348359A0/it
Application granted granted Critical
Publication of IT1172262B publication Critical patent/IT1172262B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
    • C09J5/10—Joining materials by welding overlapping edges with an insertion of plastic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/12—Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5042—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like covering both elements to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2287—After-treatment
    • C08J5/2293—After-treatment of fluorine-containing membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5007—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the structure of said adhesive tape, threads or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/14—Filters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/20—Homopolymers or copolymers of hexafluoropropene
    • 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
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
IT4835983A 1982-05-25 1983-05-24 Metodo per legare una membrana scambiatrice di cationi con un foglio di resina fluorurato IT1172262B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57087319A JPS58204030A (ja) 1982-05-25 1982-05-25 膜の接合方法
JP57087318A JPS58204029A (ja) 1982-05-25 1982-05-25 陽イオン交換膜の接合方法

Publications (2)

Publication Number Publication Date
IT8348359A0 true IT8348359A0 (it) 1983-05-24
IT1172262B IT1172262B (it) 1987-06-18

Family

ID=26428608

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4835983A IT1172262B (it) 1982-05-25 1983-05-24 Metodo per legare una membrana scambiatrice di cationi con un foglio di resina fluorurato

Country Status (9)

Country Link
US (1) US4663013A (it)
KR (1) KR860000643B1 (it)
DD (1) DD209855A5 (it)
DE (1) DE3318962A1 (it)
FR (1) FR2527516B1 (it)
GB (1) GB2121352B (it)
IT (1) IT1172262B (it)
PH (1) PH18667A (it)
SE (1) SE8302911L (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8314841D0 (en) * 1983-05-27 1983-07-06 Linear Textiles Ltd Joining weatherstrippings
US5066403A (en) * 1990-07-12 1991-11-19 The United States Of America As Represented By The Secretary Of Commerce Process for separating azeotropic or close-boiling mixtures by use of a composite membrane, the membrane, and its process of manufacture
KR100225928B1 (ko) * 1992-03-12 1999-10-15 정윤이 밀폐단자의 제조 방법 및 이를 이용하여 제조된 전지
US7404878B2 (en) * 2003-03-31 2008-07-29 Chlorine Engineers Corp., Ltd. Gas diffusion electrode assembly, bonding method for gas diffusion electrodes, and electrolyzer comprising gas diffusion electrodes
CN112481658A (zh) * 2020-11-26 2021-03-12 山东东岳高分子材料有限公司 含有镂空隧道的增强型氯碱离子传导膜及制备方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB624631A (en) * 1946-09-17 1949-06-14 Greenwich Leathercloth Company Joining polyvinyl chloride sheets
US2681877A (en) * 1950-02-14 1954-06-22 B B Chem Co Supported adhesive strip material
GB1014468A (en) * 1964-10-09 1965-12-22 Antonio Negromanti Improvements in the continuous manufacture, in indefinite lengths of multi-tubular electrical heating strips from synthetic resins, more particularly for the construction of pads and blankets
GB1343757A (en) * 1970-03-26 1974-01-16 Dunlop Holdings Ltd Flexible laminated protective material
GB1505077A (en) * 1974-06-28 1978-03-22 Ici Ltd Porous diaphragms
US4151053A (en) * 1975-07-09 1979-04-24 Asahi Kasei Kogyo Kabushiki Kaisha Cation exchange membrane preparation and use thereof
US4165248A (en) * 1976-12-01 1979-08-21 Ppg Industries, Inc. Method of joining fluorocarbon membrane sheets with quaternary ammonium compounds
DE2655145C2 (de) * 1976-12-06 1985-10-03 Basf Ag, 6700 Ludwigshafen Verfahren zum Verschweißen von Membranen aus fluorierten Polymeren
JPS5395899A (en) * 1977-02-02 1978-08-22 Kureha Chem Ind Co Ltd Alkali halide electrolytic cell
CA1114777A (en) * 1977-02-28 1981-12-22 Steven J. Specht Sealed casing for diaphragm cell having closed end and closed sides
JPS53144481A (en) * 1977-05-24 1978-12-15 Asahi Glass Co Ltd Method of joining fluorine contained cation exchange resin membrane
EP0002894B1 (en) * 1977-12-29 1982-10-27 Imperial Chemical Industries Plc A method of joining together of a sheet or sheets of a non melt-processable organic polymer
US4247345A (en) * 1978-11-30 1981-01-27 Olin Corporation Method for joining synthetic materials
JPS55145539A (en) * 1979-04-28 1980-11-13 Kanegafuchi Chem Ind Co Ltd Joining method of cation exchange membrane
JPS55145540A (en) * 1979-04-28 1980-11-13 Kanegafuchi Chem Ind Co Ltd Joining method of cation exchange membrane
US4284460A (en) * 1979-04-30 1981-08-18 Olin Corporation Heat sealing untreated sulfonamide-type cation exchange membranes
JPS55152191A (en) * 1979-05-16 1980-11-27 Kanegafuchi Chem Ind Co Ltd Formed cation exchange membrane
US4324606A (en) * 1979-12-27 1982-04-13 E. I. Du Pont De Nemours And Company Process for forming a reinforced membrane
JPS56157432A (en) * 1980-05-09 1981-12-04 Asahi Chem Ind Co Ltd Method for hot-melt joining of fluorine containing polymer

Also Published As

Publication number Publication date
DE3318962C2 (it) 1988-10-13
FR2527516A1 (fr) 1983-12-02
GB2121352A (en) 1983-12-21
GB8313246D0 (en) 1983-06-22
US4663013A (en) 1987-05-05
KR840004526A (ko) 1984-10-22
PH18667A (en) 1985-08-29
SE8302911D0 (sv) 1983-05-24
DE3318962A1 (de) 1983-12-01
SE8302911L (sv) 1983-11-26
GB2121352B (en) 1986-03-19
IT1172262B (it) 1987-06-18
FR2527516B1 (fr) 1987-11-13
DD209855A5 (de) 1984-05-23
KR860000643B1 (ko) 1986-05-28

Similar Documents

Publication Publication Date Title
NO842798L (no) Drivtrykkregulator
IT8125366A0 (it) Impianto di azionamento di scansione di una fotocopiatrice.
ES519533A0 (es) Un metodo de producir una solucion de insulina.
ES530107A0 (es) Un procedimiento para preparar una resina epoxidica
DE3483829D1 (de) Herstellungsverfahren einer niederdruck-quecksilberdampf-bogenlampe.
IT8621454A0 (it) Dispositivo per produrre un collegamento di fili mediante giuntura.
ES518130A0 (es) Un procedimiento para preparar una composicion epoxidica curable.
ES538934A0 (es) Un procedimiento de producir un dentifrico extraible que contiene i-carragenano.
IT8467848A1 (it) Procedimento per la degassificazione di un liquido.
IT1194423B (it) Procedimento per la fabbricazione di un serbatoio a pressione in costruzione composita
IT8348359A0 (it) Metodo per legare una membrana scambiatrice di cationi con un foglio di resina fluorurato
IT1139636B (it) Nastro anti-implosione per tubi a raggi catodici
ES524928A0 (es) Un procedimiento para hidrolizar una resina epoxidica
IT1173117B (it) Serbatoio di pressione a doppia parete
IT8121811A0 (it) Parete fotografica per la proiezione a luce passante.
BR8303901A (pt) Bomba a transmissao helicoidal
IT1176393B (it) Regolatore di pressione negativo
DK39785D0 (da) Holdeindretning for en trykplade
DE3481396D1 (de) Ladung eines kernreaktors.
ES532616A0 (es) Un metodo de fabricar guiaondas opticas
IT1139069B (it) Procedimento per assottigliare vetro in un procedimento a galleggiamento
ES537186A0 (es) Un procedimiento para producir una benzoilurea
GB2079862B (en) A diaphragm pump
FR2528624B1 (fr) Tube cathodique notamment pour projecteur cathodique
ES519755A0 (es) Procedimiento para producir galapago de plomo sustancialmente en una etapa.