CH384786A - Procédé pour produire des sphères creuses, sphères creuses produites par ce procédé et appareil pour la mise en oeuvre de ce procédé - Google Patents

Procédé pour produire des sphères creuses, sphères creuses produites par ce procédé et appareil pour la mise en oeuvre de ce procédé

Info

Publication number
CH384786A
CH384786A CH6530058A CH6530058A CH384786A CH 384786 A CH384786 A CH 384786A CH 6530058 A CH6530058 A CH 6530058A CH 6530058 A CH6530058 A CH 6530058A CH 384786 A CH384786 A CH 384786A
Authority
CH
Switzerland
Prior art keywords
hollow spheres
carrying
produced
producing
producing hollow
Prior art date
Application number
CH6530058A
Other languages
English (en)
Inventor
Veatch Franklin
Edwin Alford Harvey
Denman Croft Richard
Original Assignee
Standard Oil Co Ohio
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 Standard Oil Co Ohio filed Critical Standard Oil Co Ohio
Publication of CH384786A publication Critical patent/CH384786A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/02Agglomerated materials, e.g. artificial aggregates
    • C04B18/027Lightweight materials
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00Other methods of shaping glass
    • C03B19/10Forming beads
    • C03B19/107Forming hollow beads
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00Other methods of shaping glass
    • C03B19/10Forming beads
    • C03B19/107Forming hollow beads
    • C03B19/1075Forming hollow beads by blowing, pressing, centrifuging, rolling or dripping
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C11/00Multi-cellular glass ; Porous or hollow glass or glass particles
    • C03C11/002Hollow glass particles
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02Treatment
    • C04B20/04Heat treatment
    • C04B20/06Expanding clay, perlite, vermiculite or like granular materials
    • C04B20/066Expanding clay, perlite, vermiculite or like granular materials in shaft or vertical furnaces
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/32Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S106/00Compositions: coating or plastic
    • Y10S106/01Fly ash
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S106/00Compositions: coating or plastic
    • Y10S106/02Perlite
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/06Molding microballoons and binder
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated
    • Y10T428/2993Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
    • Y10T428/2996Glass particles or spheres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Glass Compositions (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Drying Of Solid Materials (AREA)
CH6530058A 1957-10-22 1958-10-22 Procédé pour produire des sphères creuses, sphères creuses produites par ce procédé et appareil pour la mise en oeuvre de ce procédé CH384786A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US691726A US2978340A (en) 1957-10-22 1957-10-22 Hollow glass particles and method of producing the same
US691725A US2978339A (en) 1957-10-22 1957-10-22 Method of producing hollow glass spheres
US862436A US3030215A (en) 1957-10-22 1959-12-02 Hollow glass particles and method of producing the same

Publications (1)

Publication Number Publication Date
CH384786A true CH384786A (fr) 1965-02-26

Family

ID=27418547

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6530058A CH384786A (fr) 1957-10-22 1958-10-22 Procédé pour produire des sphères creuses, sphères creuses produites par ce procédé et appareil pour la mise en oeuvre de ce procédé

Country Status (6)

Country Link
US (4) US2978339A (fr)
CH (1) CH384786A (fr)
DE (2) DE1246179B (fr)
FR (1) FR1216976A (fr)
GB (2) GB572248A (fr)
NL (2) NL101675C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0134584A1 (fr) * 1983-09-13 1985-03-20 Hans Beat Fehlmann Procédé de fabrication de matière minérale expansée et materiau de remplissage obtenu par ledit procedé

Families Citing this family (225)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3085022A (en) * 1959-07-18 1963-04-09 Heidelberg Portland Zement Process and apparatus for the production of cement clinker, more especially for white cement
DE1154752B (de) * 1960-03-03 1963-09-19 Wasagchemie Ag Verfahren zur Herstellung von glasartigen poroesen Formkoerpern
US3097832A (en) * 1960-12-21 1963-07-16 John B Murdock Furnace for expanding perlite and similar substances
US3133821A (en) * 1961-10-13 1964-05-19 Standard Oil Co Method of making silica insulating material
US3247158A (en) * 1962-02-07 1966-04-19 Standard Oil Co Filled plastisol compositions
US3183107A (en) * 1962-02-07 1965-05-11 Standard Oil Co Glass sphere filled plastering compositions
US3230184A (en) * 1962-03-06 1966-01-18 Standard Oil Co Glass microsphere and fiber filled polyester resin composition
US3276895A (en) * 1962-05-31 1966-10-04 Standard Oil Co Fibrous reinforcing materials having improved surface characteristics
US3365315A (en) * 1963-08-23 1968-01-23 Minnesota Mining & Mfg Glass bubbles prepared by reheating solid glass partiles
US3425577A (en) * 1964-11-30 1969-02-04 Emerson & Cuming Inc Closed-cell ceramic article and method
US3316139A (en) * 1964-12-31 1967-04-25 Standard Oil Co Plastic structure containing fibrous layers and hollow glass spheres
US3536656A (en) * 1966-02-21 1970-10-27 Gen Tire & Rubber Co Light-weight flexible insulating material
US3443920A (en) * 1966-03-17 1969-05-13 Shell Oil Co Method of producing foamed glass having uniform cell size
US3458332A (en) * 1966-03-25 1969-07-29 Emerson & Cuming Inc Microsphere glass agglomerates and method for making them
US3524794A (en) * 1966-08-04 1970-08-18 Minnesota Mining & Mfg Fluid sealing gasket
DE1646283C3 (de) * 1967-09-13 1974-02-14 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Sprengstofformkörpern hoher Festigkeit mit wählbarer definierter Detonationsgeschwindigkeit
US3439366A (en) * 1967-11-20 1969-04-22 Microlite Corp The Boat construction
US3669912A (en) * 1968-05-24 1972-06-13 Us Navy Method of making deep ocean buoyant material
US3566009A (en) * 1968-10-04 1971-02-23 Stauffer Wacker Silicone Corp Fire-resistant electrical cables
US3576388A (en) * 1968-12-05 1971-04-27 Stauffer Wacker Silicone Corp Electrical cable
US3769770A (en) * 1969-01-23 1973-11-06 Sanders Nuclear Corp Thermal super insulation
US3892708A (en) * 1969-11-24 1975-07-01 Rhone Poulenc Sa Fluidisable powder based on a heat-stable bis-imide resin
US3661620A (en) * 1969-11-26 1972-05-09 Gen Tire & Rubber Co Method of encapsulating fillers with polymers
US3904377A (en) * 1970-03-06 1975-09-09 Agency Ind Science Techn Lightweight composite containing hollow glass microspheres
US3652197A (en) * 1970-05-12 1972-03-28 Richard D Tokarz Nonconsumable wick
US3864443A (en) * 1970-05-27 1975-02-04 Arthur Hopkins Method of making light-weight concrete aggregate
US3765919A (en) * 1970-10-15 1973-10-16 L Gelbman Synthetic light-weight material and process and system for manufacturing same
US3854267A (en) * 1971-03-15 1974-12-17 Tile Council Of America Grout compositions
US3900543A (en) * 1971-01-11 1975-08-19 Schlumberger Technology Corp Method for making a foam seismic streamer
US3670091A (en) * 1971-05-20 1972-06-13 Sqrague Electric Co Encapsulated electrical components with protective pre-coat containing collapsible microspheres
GB1373055A (en) * 1971-07-06 1974-11-06 Gen Electric Organosiloxane gel
US3827383A (en) * 1971-07-16 1974-08-06 Us Navy Salvage method utilizing water emulsified polyester resin and hollow microspheres
FR2160637A1 (en) * 1971-11-19 1973-06-29 Idemitsu Kosan Co Hollow mouldings - esp submarine floats mfd by rotational casting of resins with microsphere fillers
US3902937A (en) * 1972-01-06 1975-09-02 Anaconda Co Method of making controlled buoyancy electrical strand
US4154716A (en) * 1972-04-24 1979-05-15 The Dow Chemical Company Fluid rapid-setting urethane compositions
US3853571A (en) * 1972-10-05 1974-12-10 L Gelbman Fire resistant composition containing gypsum and silicate-based material and processs for making same
JPS508807A (fr) * 1973-05-28 1975-01-29
US3875271A (en) * 1973-07-30 1975-04-01 Coors Porcelain Co Hollow pellets and method for making same
DE2536319C3 (de) * 1975-08-14 1981-11-19 Rudolf 8019 Moosach Hinterwaldner Härtbare Masse und Verfahren zu deren Härtung
IT1018827B (it) * 1973-08-20 1977-10-20 Upjohn Co Perfezionamento nelle schiume sin tattiche
DE2348338C3 (de) * 1973-09-26 1983-12-01 Norddeutsche Schleifmittel-Industrie Christiansen & Co (GmbH & Co), 2000 Hamburg Aus Bindemittel und Schleifkorn bestehender Schleifkörper
JPS5217540B2 (fr) * 1973-10-04 1977-05-16
US3959197A (en) * 1973-10-16 1976-05-25 Monsanto Research Corporation Use of solvent mixtures in making foamable compositions
US3920603A (en) * 1973-10-24 1975-11-18 Vance A Stayner Reinforced resin compositions and articles formed thereof
US4028134A (en) * 1973-10-24 1977-06-07 Stayner Vance A Reinforced resin filler compositions
JPS50119818A (fr) * 1974-03-07 1975-09-19
US3979552A (en) * 1974-03-11 1976-09-07 Kuhlman Corporation Coolant displacement material
US4021253A (en) * 1974-04-05 1977-05-03 Kms Fusion, Inc. Method for manufacturing glass frit
JPS50151211A (fr) * 1974-05-29 1975-12-04
JPS577575B2 (fr) * 1974-06-10 1982-02-12
US4016743A (en) * 1974-10-04 1977-04-12 Kms Fusion, Inc. Variable leak gas source
US3986855A (en) * 1975-02-13 1976-10-19 Anchor Hocking Corporation Method of making glassware having a handcrafted appearance
US4443240A (en) * 1975-04-04 1984-04-17 Shutt Thomas C Method for producing glass particles in moisture protected condition
GB1556993A (en) * 1975-07-17 1979-12-05 Sovitec Sa Gas-expansible bodies
US3997435A (en) * 1975-10-29 1976-12-14 The United States Of America As Represented By The United States Energy Research And Development Administration Method for selecting hollow microspheres for use in laser fusion targets
GB1568817A (en) * 1975-11-13 1980-06-04 Sovitec Sa Glass-former comp
DE2604793C3 (de) * 1976-02-07 1984-05-03 Schneider Gmbh & Co, 5020 Frechen Verfahren zur Herstellung eines Schaumkeramikelements
US4349456A (en) * 1976-04-22 1982-09-14 Minnesota Mining And Manufacturing Company Non-vitreous ceramic metal oxide microcapsules and process for making same
US4075025A (en) * 1976-05-10 1978-02-21 Pittsburgh Corning Corporation Method of forming a potassium aluminoborosilicate frit
US4286754A (en) * 1976-05-10 1981-09-01 Minnesota Mining And Manufacturing Company Controlled-rate liquid dispenser
US4079022A (en) * 1976-05-21 1978-03-14 Ici Americas Inc. Fire retardant resin compositions containing moisture resistant low melting phosphate glass
JPS5382914A (en) * 1976-12-28 1978-07-21 Nissan Motor Co Ltd Absorption structur for exhaust heat
US4193829A (en) * 1977-03-16 1980-03-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Process for the manufacture of low density bis-maleimide-carbon microballoon composites
US4223067A (en) * 1978-03-27 1980-09-16 Minnesota Mining And Manufacturing Company Foam-like pressure-sensitive adhesive tape
US4273806A (en) * 1978-04-03 1981-06-16 Stechler Bernard G Method of forming electrical insulation by extruding polymeric compositions containing hollow microspheres
US4252193A (en) * 1979-06-11 1981-02-24 Standard Oil Company (Indiana) Low density cement slurry and its use
DE2954563C2 (fr) * 1978-08-28 1990-09-20 Leonard B. Bellevue Wash. Us Torobin
DE3067990D1 (en) * 1979-02-22 1984-07-05 Rhone Poulenc Chim Base Process for obtaining a glass composition based on metallic silicates and having a low melting point and improved refining properties
FR2465690A1 (fr) * 1979-09-18 1981-03-27 Rhone Poulenc Ind Nouvelle composition vitrifiable, procede pour l'obtenir, et produit ainsi obtenu
US4235742A (en) * 1979-03-09 1980-11-25 Pq Corporation Base for defoaming compositions
EP0021563B1 (fr) * 1979-04-20 1984-08-01 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Compositions de résine, leur utilisation et objet fabriqué à partir de ces compositions
US4307142A (en) * 1980-08-08 1981-12-22 T.C. Manufacturing Company, Inc. Corrosion-resistant coating composition containing hollow microballoons
US4336338A (en) * 1980-08-15 1982-06-22 The United States Of America As Represented By The United States Department Of Energy Hollow microspheres of silica glass and method of manufacture
IE51461B1 (en) * 1980-08-15 1986-12-24 Redland Technology Ltd Method and apparatus for the production of glass beads
US4370166A (en) * 1980-09-04 1983-01-25 Standard Oil Company (Indiana) Low density cement slurry and its use
EP0088773B1 (fr) * 1981-09-23 1987-09-09 M.B. Fillers Pty. Ltd. Microspheres creuses de silicate a deux couches
US4430108A (en) 1981-10-14 1984-02-07 Pedro Buarque De Macedo Method for making foam glass from diatomaceous earth and fly ash
CA1206900A (fr) * 1981-12-21 1986-07-02 Raymond L. Downs Coque de verre creuse servant de support pour la culture de cellules et methode de fabrication
DE3151164C2 (de) * 1981-12-23 1985-02-07 Deutsche Perlite Gmbh, 4600 Dortmund Vorrichtung zum Blähen von Perlit, Vermiculit und ähnlichem Blähgut
EP0086599A1 (fr) * 1982-02-12 1983-08-24 Redland Technologies Limited Procédé et appareil pour la fabrication à chaud des matériaux en particules
US4391646A (en) * 1982-02-25 1983-07-05 Minnesota Mining And Manufacturing Company Glass bubbles of increased collapse strength
US4446177A (en) * 1982-03-12 1984-05-01 Munoz George L Reinforced plastic product
US4448599A (en) * 1982-03-22 1984-05-15 Atlantic Richfield Company Hollow spheres produced from natural zeolites
GB2121782B (en) * 1982-06-08 1986-10-22 Glaverbel Manufacture of rounded vitreous beads
SE452471B (sv) * 1982-11-26 1987-11-30 Casco Nobel Ab Forfarande for expandering av termoplastiska mikrosferer
US4736527A (en) * 1982-12-13 1988-04-12 Konishiroku Photo Industry Co., Ltd. Apparatus for the heat treatment of powdery material
US4441905A (en) * 1983-01-27 1984-04-10 Corning Glass Works Method of forming ceramic bodies
US4472185A (en) * 1983-01-27 1984-09-18 Corning Glass Works Method of producing a cellular ceramic body
US4442175A (en) * 1983-01-27 1984-04-10 Corning Glass Works Cellular ceramic bodies and method making same
DE3314259A1 (de) * 1983-04-20 1984-10-25 Henkel KGaA, 4000 Düsseldorf Hohlkoerper aus verfestigtem alkalisilikat
US4530402A (en) * 1983-08-30 1985-07-23 Standard Oil Company Low density spacer fluid
US4506734A (en) * 1983-09-07 1985-03-26 The Standard Oil Company Fracturing fluid breaker system which is activated by fracture closure
US4548767A (en) * 1983-09-26 1985-10-22 The United States Of America As Represented By The United States Department Of Energy Method to produce large, uniform hollow spherical shells
EP0160267B1 (fr) * 1984-04-24 1991-02-27 Kanto Kagaku Kabushiki Kaisha Corps poreux en céramique de cordiérite, leur préparation et leur utilisation
JPS616142A (ja) * 1984-06-21 1986-01-11 Nippon Sheet Glass Co Ltd 中空ガラス球の製造方法
US4744831A (en) * 1984-07-30 1988-05-17 Minnesota Mining And Manufacturing Company Hollow inorganic spheres and methods for making such spheres
US4659253A (en) * 1985-04-08 1987-04-21 Jacobson Alan R Deep water cable laying method using buoyancy materials
US4629751A (en) * 1985-04-18 1986-12-16 Minnesota Mining And Manufacturing Company Gel-resistant bubble-filled wall repair compound
KR860008953A (ko) * 1985-05-23 1986-12-19 알프레드 엘. 마이클센 함수소 글라스 미세포말 및 가스- 세라믹과 그 제조 방법
GB8515744D0 (en) * 1985-06-21 1985-07-24 Glaverbel Vitreous beads
GB2178024B (en) * 1985-07-24 1989-08-02 Glaverbel Process of and apparatus for producing vitreous beads
US4643753A (en) * 1985-08-07 1987-02-17 Potters Industries, Inc. Method for making spherical particles
US4608403A (en) * 1985-12-13 1986-08-26 Texaco Inc. Method for making syntactic foam with improved processing characteristics using a silane coupling agent in combination with an alkylphenol alkoxylate
US4605688A (en) * 1985-12-13 1986-08-12 Texaco Inc. Method for making syntactic foam with improved processing characteristics using a silane coupling agent in combination with an aminated alkylphenol alkoxylate
US4677022A (en) * 1986-01-24 1987-06-30 Potters, Industries, Inc. Process for making lightweight body suitable for use as an additive in an article of manufacture, such lightweight body itself, and composite containing same
US4810675A (en) * 1986-01-24 1989-03-07 Potters Industries, Inc. Process for making lightweight body suitable for use as an additive in an article of manufacture
JPS62287658A (ja) * 1986-06-06 1987-12-14 Hitachi Ltd セラミックス多層回路板
US4767726A (en) * 1987-01-12 1988-08-30 Minnesota Mining And Manufacturing Company Glass microbubbles
FR2619101A1 (fr) * 1987-08-05 1989-02-10 Saint Gobain Vitrage Technique de production de microspheres en silice
GB8822180D0 (en) * 1988-09-21 1988-10-26 Glaverbel Separation of product of biological process from fluid medium
US5077241A (en) * 1988-11-17 1991-12-31 Minnesota Mining And Manufacturing Company Sol gel-derived ceramic bubbles
FR2639987B1 (fr) * 1988-12-02 1991-03-29 Guyot Stephane Procede de couverture pour composants de toiture a faible et forte pente
US5019605A (en) * 1989-03-15 1991-05-28 Minnesota Mining And Manufacturing Company Low density, self-extinguishing epoxide composition
US5028456A (en) * 1989-04-06 1991-07-02 Oatey Company Plastic body filler
US4980414A (en) * 1989-04-06 1990-12-25 Oatey Company Plastic body filler
US5770416A (en) * 1989-05-26 1998-06-23 Upfront Chromatography A/S Permeable hollow particles having an outer shell of mechanically rigid porous material
GB8914639D0 (en) * 1989-06-26 1989-08-16 Shell Int Research Heat processing of particulate material and apparatus therefor
US5069702A (en) * 1990-12-20 1991-12-03 W. R. Grace & Co.-Conn. Method of making small hollow glass spheres
US5171346A (en) * 1991-01-22 1992-12-15 Aktiebolaget Electrolux Method of forming a composite thermal insulating material
US5217074A (en) * 1991-10-29 1993-06-08 Exxon Chemical Patents Inc. Method of fracturing formations
US5611833A (en) * 1992-08-26 1997-03-18 Mg Industries Method and apparatus for producing spheroidal glass particles
DE69421402T2 (de) * 1993-09-08 2000-02-10 Pq Holding, Inc. Hohle borosilikatmikrokugeln und herstellungsverfahren
WO1995029134A1 (fr) * 1994-04-25 1995-11-02 Minnesota Mining And Manufacturing Company Compositions comprenant des matieres particulaires obtenues par fusion et procede de preparation desdites compositions
US6045913A (en) * 1995-11-01 2000-04-04 Minnesota Mining And Manufacturing Company At least partly fused particulates and methods of making them by flame fusion
US6254981B1 (en) 1995-11-02 2001-07-03 Minnesota Mining & Manufacturing Company Fused glassy particulates obtained by flame fusion
US5659994A (en) * 1995-11-29 1997-08-26 Berkley, Inc. Braided flyline
WO1998021772A1 (fr) * 1996-11-13 1998-05-22 Minnesota Mining And Manufacturing Company Stockage et apport de gaz sous pression dans des microbulles
US6805737B2 (en) 1997-03-26 2004-10-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lightweight substance molded body, method for the production and use thereof
CN1426382A (zh) 2000-03-14 2003-06-25 詹姆斯·哈迪研究有限公司 含低密度添加剂的纤维水泥建筑材料
IT1319693B1 (it) * 2000-12-15 2003-10-23 Eni Spa Procedimento per la separazione di microsfere di vetro cave da fanghiche le contengono.
US7767629B2 (en) * 2002-08-14 2010-08-03 3M Innovative Properties Company Drilling fluid containing microspheres and use thereof
US6906009B2 (en) * 2002-08-14 2005-06-14 3M Innovative Properties Company Drilling fluid containing microspheres and use thereof
US7455798B2 (en) * 2002-08-23 2008-11-25 James Hardie International Finance B.V. Methods for producing low density products
KR20050058478A (ko) * 2002-08-23 2005-06-16 제임스 하디 인터내셔널 파이낸스 비.브이. 합성 미세 중공구
US7993570B2 (en) 2002-10-07 2011-08-09 James Hardie Technology Limited Durable medium-density fibre cement composite
US7687106B2 (en) * 2003-06-20 2010-03-30 Certainteed Corporation Algae resistant roofing granules with controlled algaecide leaching rates, algae resistant shingles, and process for producing same
US7811630B2 (en) * 2003-06-20 2010-10-12 Certainteed Corporation Algae resistant roofing granules with controlled algaecide leaching rates, algae resistant shingles, and process for producing same
US20090146108A1 (en) * 2003-08-25 2009-06-11 Amlan Datta Methods and Formulations for Producing Low Density Products
US20090156385A1 (en) * 2003-10-29 2009-06-18 Giang Biscan Manufacture and use of engineered carbide and nitride composites
US7444838B2 (en) * 2003-10-30 2008-11-04 Virginia Tech Intellectual Properties, Inc. Holey optical fiber with random pattern of holes and method for making same
US7538972B2 (en) * 2004-05-25 2009-05-26 3M Innovative Properties Company Internally replenished enclosure
US7998571B2 (en) 2004-07-09 2011-08-16 James Hardie Technology Limited Composite cement article incorporating a powder coating and methods of making same
US7666807B2 (en) * 2004-09-21 2010-02-23 Savannah River Nuclear Solutions, Llc Hollow porous-wall glass microspheres for hydrogen storage
US20060060820A1 (en) * 2004-09-21 2006-03-23 Schumacher Ray F Hollow porous-wall glass microspheres for hydrogen storage
EP1799763A1 (fr) * 2004-09-21 2007-06-27 Advanced Elastomer Systems L.P. Extrudés d'isolation à partir de formulations de polyoléfines
US7449503B2 (en) * 2004-10-18 2008-11-11 Potters Industries Inc. Glass microspheres with multiple bubble inclusions
US20060122049A1 (en) * 2004-12-03 2006-06-08 3M Innovative Properties Company Method of making glass microbubbles and raw product
EP1856003A2 (fr) * 2005-02-24 2007-11-21 James Hardie International Finance B.V. Compositions vitreuses alcalino-resistantes
US20060243363A1 (en) * 2005-04-29 2006-11-02 3M Innovative Properties Company Glass microbubble-containing syntactic foams, explosives, and method of making
US20060251807A1 (en) * 2005-05-06 2006-11-09 Hong Keith C Roofing Granules With Improved Surface Coating Coverage And Functionalities And Method For Producing Same
WO2007050062A1 (fr) * 2005-10-26 2007-05-03 University Of North Dakota Procedes de production de microspheres a faible densite
CA2632760C (fr) * 2005-12-08 2017-11-28 James Hardie International Finance B.V. Microparticules heterogenes de faible densite modifiees et procedes et formulations servant a produire les microparticules
US7595107B2 (en) * 2005-12-22 2009-09-29 Certainteed Corporation Algae resistant roofing system containing silver compounds, algae resistant shingles, and process for producing same
US20070148342A1 (en) * 2005-12-23 2007-06-28 Kalkanoglu Husnu M Controlled time-release algae resistant roofing system
US7845409B2 (en) 2005-12-28 2010-12-07 3M Innovative Properties Company Low density proppant particles and use thereof
AU2007236561B2 (en) 2006-04-12 2012-12-20 James Hardie Technology Limited A surface sealed reinforced building element
US20070275335A1 (en) * 2006-05-25 2007-11-29 Giang Biscan Furnace for heating particles
US7625845B2 (en) * 2006-11-09 2009-12-01 Bj Services Company Method of using thermal insulation fluid containing hollow microspheres
PL2101990T3 (pl) * 2006-11-29 2015-06-30 3M Innovative Properties Co Mikrokulka zawierająca izolację
US8324135B2 (en) * 2006-12-28 2012-12-04 3M Innovative Properties Company Aqueous fluid and method of making and using the same
CN101678635A (zh) * 2007-03-23 2010-03-24 世界矿物公司 金属化合物涂布的颗粒矿物材料、其制造方法和其用途
RU2336293C1 (ru) * 2007-09-24 2008-10-20 Сергей Федорович Шмотьев Способ изготовления проппанта из стеклянных сфер
DE102008049430B9 (de) * 2007-10-16 2020-10-08 Inno Friction Gmbh Reibbelag
US8209927B2 (en) 2007-12-20 2012-07-03 James Hardie Technology Limited Structural fiber cement building materials
US7900474B2 (en) * 2008-08-14 2011-03-08 Beck Warren R Hollow glass microspheres comprising selenium oxide and method of making thereof
US8959954B2 (en) 2008-09-17 2015-02-24 The Penn State Research Foundation Proppants from mineralogical material
US8359886B2 (en) * 2008-09-17 2013-01-29 The Penn State Research Foundation Treatment of melt quenched aluminosilicate glass spheres for application as proppants via devitrification processes
US7846994B2 (en) * 2008-12-23 2010-12-07 Potters Industries, Inc. Inorganic microspheres
JP5622069B2 (ja) * 2009-01-21 2014-11-12 日本電気硝子株式会社 強化ガラス、強化用ガラス及び強化ガラスの製造方法
US20110152057A1 (en) * 2009-12-21 2011-06-23 Gang Qi Hollow microspheres
US8261577B2 (en) * 2009-12-21 2012-09-11 3M Innovative Properties Company Method for making hollow microspheres
LT2525839T (lt) * 2010-01-18 2018-11-12 G&G Biotechnology Ltd Mažo svorio krūtų implantų medžiaga
US9102868B2 (en) 2010-07-29 2015-08-11 3M Innovative Properties Company Elastomer-modified crosslinked epoxy vinyl ester particles and methods for making and using the same
BR112013005527B1 (pt) 2010-09-08 2020-10-13 3M Innovative Properties Company classificação de microesferas ocas de vidro, compósito compreendendo a mesma, e seu método para produção.
EA027312B1 (ru) 2010-11-03 2017-07-31 3М Инновейтив Пропертиз Компани Флюид, включающий стеклянные микросферы, и способ его получения и использования
WO2012087656A2 (fr) 2010-12-20 2012-06-28 3M Innovative Properties Company Microsphères creuses et procédé de fabrication de microsphères creuses
JP2014511904A (ja) 2011-03-24 2014-05-19 バイエル・インテレクチュアル・プロパティ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 強化ポリウレタン尿素エラストマーからなる成形部品およびその使用
PL2729634T3 (pl) 2011-07-07 2019-02-28 3M Innovative Properties Company Wyrób zawierający wieloskładnikowe włókna i puste w środku ceramiczne mikrokulki oraz sposoby ich wytwarzania i stosowania
US9033040B2 (en) * 2011-12-16 2015-05-19 Baker Hughes Incorporated Use of composite of lightweight hollow core having adhered or embedded cement in cementing a well
US9222254B2 (en) 2012-03-13 2015-12-29 Schabel Polymer Technology, Llc Structural assembly insulation
AU2013272132B2 (en) 2012-06-06 2015-11-05 3M Innovative Properties Company Low density glass particles with low boron content
EP2864413B1 (fr) 2012-06-25 2017-01-25 3M Innovative Properties Company Composition de mélange maître, procédé d'utilisation et composition de caoutchouc
EP2870210A4 (fr) 2012-07-03 2016-01-27 3M Innovative Properties Co Revêtements de tuyau à base de siloxane
CN104884520B (zh) 2012-12-20 2017-07-04 3M创新有限公司 包含含氟聚合物的复合颗粒、其制备方法及包含其的制品
US9567255B2 (en) 2013-01-31 2017-02-14 Empire Technology Development Llc Light weight structural materials
US9016090B2 (en) 2013-06-12 2015-04-28 Hamid Hojaji Glass microspheres comprising sulfide, and methods of producing glass microspheres
CN105873998B (zh) 2013-12-30 2022-05-03 3M创新有限公司 包含中空玻璃微球的聚烯烃组合物和使用该聚烯烃组合物的方法
US10590265B2 (en) 2013-12-30 2020-03-17 3M Innovative Properties Company Poly (methylpentene) composition including hollow glass microspheres and method of using the same
US9745508B2 (en) 2014-02-28 2017-08-29 University of Pittsburgh—of the Commonwealth System of Higher Education Proppants for sequestering a target species and methods of sequestering a target species in a subterranean formation
CN104150754A (zh) * 2014-08-14 2014-11-19 成都中节能反光材料有限公司 一种玻璃粉体超细粉并珠装置及其方法
US10196296B2 (en) 2015-01-17 2019-02-05 Hamid Hojaji Fluid permeable and vacuumed insulating microspheres and methods of producing the same
DE102015201681A1 (de) * 2015-01-30 2016-08-04 Dennert Poraver Gmbh Verfahren und Anlage zur Herstellung von Mikrohohlkugeln aus Glas
EP3262122B1 (fr) 2015-02-27 2020-07-29 3M Innovative Properties Company Composition de polyamide comprenant des microsphères creuses de verre et objets et procédés associés
ES2922986T3 (es) 2015-03-12 2022-09-22 G&G Biotechnology Ltd Material compuesto para implantes
EP3130636A1 (fr) 2015-08-13 2017-02-15 3M Innovative Properties Company Composition de polyoléfine comprenant des microsphères de verre creuses
CN108025957A (zh) * 2015-09-04 2018-05-11 3M创新有限公司 制造中空玻璃微球的方法
US9643876B2 (en) * 2015-10-04 2017-05-09 Hamid Hojaji Microspheres and methods of making the same
NO3184494T3 (fr) * 2015-12-21 2018-07-07
EP3184586B1 (fr) 2015-12-23 2019-04-10 Borealis AG Composition de polypropylène renforcée par des fibres légères
BR112018017027A2 (pt) 2016-02-26 2018-12-26 3M Innovative Properties Co artigo de esfregamento e método para produção de um artigo de esfregamento
DE102016208141B4 (de) 2016-05-11 2021-03-04 Dennert Poraver Gmbh Verfahren und Anlage zur Herstellung von Mikrohohlkugeln aus Glas
US20170342383A1 (en) 2016-05-27 2017-11-30 Corning Incorporated Lithium disilicate glass-ceramic compositions and methods thereof
US10751367B2 (en) 2016-05-27 2020-08-25 Corning Incorporated Bioactive glass microspheres
US20170340527A1 (en) 2016-05-27 2017-11-30 Corning Incorporated Biodegradable microbeads
US10647962B2 (en) 2016-05-27 2020-05-12 Corning Incorporated Bioactive aluminoborate glasses
US10676713B2 (en) 2016-05-27 2020-06-09 Corning Incorporated Bioactive borophosphate glasses
DE102016211418A1 (de) 2016-06-24 2017-12-28 Dennert Poraver Gmbh Verfahren und Produktionsanlage zur Herstellung von Hohlkugeln aus Perlit
US10865136B2 (en) 2016-07-22 2020-12-15 Alliance For Sustainable Energy, Llc Transparent and insulating materials having evacuated capsules
GB2553757A (en) * 2016-08-08 2018-03-21 Glass Tech Services Limited Proppant and method of selecting a proppant
US20190344496A1 (en) 2016-12-20 2019-11-14 3M Innovative Properties Company Composition including fluoropolymer and inorganic filler and method of making a three-dimensional article
US10730799B2 (en) 2016-12-31 2020-08-04 Certainteed Corporation Solar reflective composite granules and method of making solar reflective composite granules
CN111417603B (zh) 2017-11-28 2023-10-31 康宁股份有限公司 生物活性硼酸盐玻璃及其方法
EP3717030A1 (fr) 2017-11-28 2020-10-07 Corning Incorporated Compositions de verre bioactif et restauration de l'hypersensibilité de la dentine
EP3717427A1 (fr) 2017-11-28 2020-10-07 Corning Incorporated Verre bioactif à viscosité de liquidus élevée
EP3717426A1 (fr) 2017-11-28 2020-10-07 Corning Incorporated Vitrocéramiques bioactives chimiquement renforcées
WO2019159182A1 (fr) 2018-02-18 2019-08-22 G & G Biotechnology Ltd. Implants ayant une meilleure adhérence de coque
FR3087768B1 (fr) * 2018-10-29 2020-10-30 Arc France Preparation de fabrication de verre et installation de verrerie industrielle
CN109534350A (zh) * 2018-12-29 2019-03-29 黄冈师范学院 一种逆流电加热生产高纯超细球形硅微粉的装置及方法
CN109437210A (zh) * 2018-12-29 2019-03-08 黄冈师范学院 一种燃气逆流法利用石英尾砂生产石英粉的装置及方法
CN109467096A (zh) * 2018-12-29 2019-03-15 黄冈师范学院 一种利用石英尾砂制备高纯球形石英砂和高纯球形石英粉的生产方法及装置
CN109592691A (zh) * 2018-12-29 2019-04-09 黄冈师范学院 一种燃气加热逆流喷雾法生产高纯超细球形硅微粉的装置及方法
EP4214248A1 (fr) 2020-09-17 2023-07-26 Mexichem Specialty Resins Inc. Microparticules de poly(chlorure) de vinyle de faible densité
EP4370474A1 (fr) 2021-07-16 2024-05-22 3M Innovative Properties Company Bulles de verre et articles fabriqués à partir de celles-ci
EP4197980A1 (fr) 2021-12-16 2023-06-21 3M Innovative Properties Company Microsphères de verre revêtues comportant un revêtement comprenant des particules de nitrure de bore hexagonal
WO2024134299A1 (fr) 2022-12-21 2024-06-27 3M Innovative Properties Company Bulles de verre revêtues et procédés de fabrication de bulles de verre revêtues par exfoliation mécanique

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US901232A (en) * 1908-05-07 1908-10-13 Byron E Eldred Process of producing gas.
US920334A (en) * 1908-11-27 1909-05-04 Picher Lead Company Metallurgical furnace.
US1337381A (en) * 1917-02-08 1920-04-20 Alexander Walter Adhesive
GB390189A (en) * 1930-09-26 1933-03-27 Nathaniel Mandel Elias Improvements in or relating to heat insulating and sound proofing materials
US2106744A (en) * 1934-03-19 1938-02-01 Corning Glass Works Treated borosilicate glass
US2187538A (en) * 1936-12-17 1940-01-16 Amalgamated Minerals Corp Method of exfoliating vermiculite and similar minerals
US2117605A (en) * 1936-12-18 1938-05-17 Albert A Fowler Method of making light-weight molded material
US2358068A (en) * 1941-01-03 1944-09-12 Hiller Siegfried Process for the production of comminuted particles
US2334578A (en) * 1941-09-19 1943-11-16 Rudolf H Potters Method of and apparatus for producing glass beads
US2430601A (en) * 1941-12-08 1947-11-11 American Aggregate Company Method for treating argillaceous material
US2431884A (en) * 1943-08-31 1947-12-02 Neuschotz Robert Method of expanding pearlite
US2421902A (en) * 1943-08-31 1947-06-10 Neuschotz Robert Means of expanding pearlite and like substances
US2503140A (en) * 1945-08-25 1950-04-04 Corning Glass Works Glass tube and composition
US2600525A (en) * 1947-03-12 1952-06-17 Pittsburgh Corning Corp Cellular glass of increased durability
US2543987A (en) * 1947-08-23 1951-03-06 Stark Ceramics Inc Method of producing porous, lightweight, burned argillaceous material
US2572484A (en) * 1947-09-17 1951-10-23 Howle Apparatus for expanding perlite and the like
US2619776A (en) * 1948-03-05 1952-12-02 Rudolf H Potters Method and apparatus for producing small diameter glass beads
US2611712A (en) * 1949-01-12 1952-09-23 Pittsburgh Corning Corp Method of preparing a cellulated glass body
US2671747A (en) * 1950-03-11 1954-03-09 Diamond Alkali Co Method of preventing adhesion
US2693017A (en) * 1951-04-19 1954-11-02 Univ Ohio State Res Found Process of producing lightweight aggregates
US2693018A (en) * 1951-06-20 1954-11-02 Univ Ohio State Res Found Process of forming lightweight aggregate
GB743265A (en) * 1953-03-16 1956-01-11 Kanium Corp Improvements in or relating to method of producing expanded spherulized, thin-walled unicellular particles and the expanded spherulized thin-walled unicellular particles resulting from said method
US2797201A (en) * 1953-05-11 1957-06-25 Standard Oil Co Process of producing hollow particles and resulting product
BE521556A (fr) * 1953-07-18
US2676892A (en) * 1953-11-13 1954-04-27 Kanium Corp Method for making unicellular spherulized clay particles and articles and composition thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0134584A1 (fr) * 1983-09-13 1985-03-20 Hans Beat Fehlmann Procédé de fabrication de matière minérale expansée et materiau de remplissage obtenu par ledit procedé
CH664356A5 (de) * 1983-09-13 1988-02-29 Hans Beat Fehlmann Verfahren zur herstellung von geblaehtem mineralischem korngut.

Also Published As

Publication number Publication date
GB875292A (en) 1961-08-16
NL101675C (fr) 1962-06-15
DE1246179B (de) 1967-08-03
GB572248A (en) 1945-09-28
FR1216976A (fr) 1960-04-29
US2978340A (en) 1961-04-04
US3030215A (en) 1962-04-17
US2978339A (en) 1961-04-04
DE1266459B (de) 1968-04-18
US3129086A (en) 1964-04-14
NL232500A (fr)

Similar Documents

Publication Publication Date Title
CH384786A (fr) Procédé pour produire des sphères creuses, sphères creuses produites par ce procédé et appareil pour la mise en oeuvre de ce procédé
CH351255A (fr) Procédé et appareil pour la résolution de mélanges par cristallisation
CH401769A (fr) Procédé de revêtement, appareil pour la mise en oeuvre du procédé et application du procédé
CH326194A (fr) Procédé photoélectrique de reproduction, appareil pour sa mise en oeuvre et reproduction obtenue par ce procédé
CH350236A (fr) Procédé de fabrication d'une étoupe, appareil pour la mise en oeuvre du procédé, étoupe obtenue par ce procédé et utilisation de cette étoupe
CH260521A (fr) Procédé de moulage et appareil pour la mise en oeuvre de ce procédé.
BE585765A (fr) Procédé et appareil pour la formation continue de tuyaux
CH419939A (fr) Procédé pour produire une baguette de pièces buccales et appareil pour la mise en oeuvre de ce procédé
CH434075A (fr) Procédé pour fabriquer des baguettes de pièces buccales composées et appareil pour la mise en oeuvre de ce procédé
CH350259A (fr) Procédé de pulvérisation de liquide et appareil pour la mise en oeuvre de ce procédé
FR1449444A (fr) Procédé de congélation-dessiccation, et appareil pour la mise en oeuvre du procédé
FR1185322A (fr) Procédé pour la mise en oeuvre de télomérisations
CH356560A (fr) Procédé de fabrication d'un article adhésif, appareil pour la mise en oeuvre de ce procédé et article obtenu par ce procédé
CH365649A (fr) Procédé de fabrication de cigarettes et appareil pour la mise en oeuvre de ce procédé
FR1168789A (fr) Procédé de préparation du dibromobutane 1, 4 et appareil pour la mise en oeuvre de ce procédé
CH362959A (fr) Baguette à base de tabac, procédé pour sa fabrication et appareil pour la mise en oeuvre de ce procédé
FR1141141A (fr) Procédé de compactage de routes et surfaces analogues, et appareil pour la mise en oeuvre dudit procédé
FR1307179A (fr) Procédé de moulage et appareil pour la mise en oeuvre de ce procédé
CH370955A (fr) Procédé pour donner une porosité uniforme à une bande continue, appareil pour la mise en oeuvre de ce procédé et bande obtenue par ce procédé
CH392462A (fr) Procédé de filtration et de dessiccation et appareil pour la mise en oeuvre de ce procédé
FR1170193A (fr) Procédé de moulage et appareil pour sa mise en oeuvre
FR1186211A (fr) Procédé et appareil pour la production de dégradés
BE602974A (fr) Nouveau procédé de reproduction xérothermographique et appareil pour la mise en oeuvre de ce procédé.
CH363218A (fr) Procédé pour redresser un article métallique, appareil pour la mise en oeuvre de ce procédé et article redressé par mise en oeuvre dudit procédé
CH425354A (fr) Ecrou indesserrable, procédé pour sa fabrication et appareil pour la mise en oeuvre de ce procédé