DE1421844B2 - Verfestigter soda tonerde silikatglas gegenstand und verfahren zu seiner herstellung - Google Patents

Verfestigter soda tonerde silikatglas gegenstand und verfahren zu seiner herstellung

Info

Publication number
DE1421844B2
DE1421844B2 DE19621421844 DE1421844A DE1421844B2 DE 1421844 B2 DE1421844 B2 DE 1421844B2 DE 19621421844 DE19621421844 DE 19621421844 DE 1421844 A DE1421844 A DE 1421844A DE 1421844 B2 DE1421844 B2 DE 1421844B2
Authority
DE
Germany
Prior art keywords
glass
soda
percent
treatment
weight
Prior art date
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.)
Pending
Application number
DE19621421844
Other languages
German (de)
English (en)
Other versions
DE1421844A1 (de
Inventor
Ellen Lunn Painted Post NY Mochel (V St A ) C03c 21 00
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.)
Corning Glass Works
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Publication of DE1421844A1 publication Critical patent/DE1421844A1/de
Publication of DE1421844B2 publication Critical patent/DE1421844B2/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C03C23/00Other surface treatment of glass not in the form of fibres or filaments
    • 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
    • C03C15/00Surface treatment of glass, not in the form of fibres or filaments, by etching
    • 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
    • C03C21/00Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • C03C21/002Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
    • 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
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/076Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • 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
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/076Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
    • 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
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/076Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/102Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • C03C3/108Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing boron
    • 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
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24992Density or compression of components
    • 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
    • Y10T428/31Surface property or characteristic of web, sheet or block
    • Y10T428/315Surface modified glass [e.g., tempered, strengthened, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Surface Treatment Of Glass (AREA)
DE19621421844 1961-06-12 1962-06-09 Verfestigter soda tonerde silikatglas gegenstand und verfahren zu seiner herstellung Pending DE1421844B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11630661A 1961-06-12 1961-06-12
US18188762A 1962-03-23 1962-03-23
US75431168A 1968-08-21 1968-08-21

Publications (2)

Publication Number Publication Date
DE1421844A1 DE1421844A1 (de) 1968-11-07
DE1421844B2 true DE1421844B2 (de) 1971-03-04

Family

ID=27381806

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19621421844 Pending DE1421844B2 (de) 1961-06-12 1962-06-09 Verfestigter soda tonerde silikatglas gegenstand und verfahren zu seiner herstellung
DE19621421842 Withdrawn DE1421842B2 (de) 1961-06-12 1962-06-09 Verfestigter glasgegenstand aus einem alkali aluminium silikatglas und verfahren zu seiner herstellung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19621421842 Withdrawn DE1421842B2 (de) 1961-06-12 1962-06-09 Verfestigter glasgegenstand aus einem alkali aluminium silikatglas und verfahren zu seiner herstellung

Country Status (8)

Country Link
US (1) US3790430A (member.php)
BE (2) BE618736A (member.php)
CH (1) CH450638A (member.php)
DE (2) DE1421844B2 (member.php)
DK (1) DK118736B (member.php)
FI (1) FI42868B (member.php)
GB (2) GB966733A (member.php)
NL (2) NL279296A (member.php)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647406A (en) * 1968-11-04 1972-03-07 Bell Telephone Labor Inc Method of achieving surface refractive index changes in a glass light guide element
US3973069A (en) * 1973-04-02 1976-08-03 Glaverbel-Mecaniver Colored transparent articles
US4015045A (en) * 1974-01-09 1977-03-29 Ppg Industries, Inc. Chemical strengthening of glass
US4009318A (en) * 1974-11-15 1977-02-22 Corning Glass Works Laminated glass body with opal phase produced between laminae
US4000998A (en) * 1975-03-19 1977-01-04 Corning Glass Works Spontaneously-formed nepheline-carnegieite glass-ceramics
US3985535A (en) * 1975-06-19 1976-10-12 Smithkline Corporation Method of making glass ampul for jet injector
US4055703A (en) * 1975-08-15 1977-10-25 Ppg Industries, Inc. Ion exchange strengthened glass containing P2 O5
US4053679A (en) * 1975-08-15 1977-10-11 Ppg Industries, Inc. Chemically strengthened opal glass
US4119760A (en) * 1975-08-15 1978-10-10 Ppg Industries, Inc. Chemical strengthening of glass
DE2749683C3 (de) * 1977-11-07 1980-09-25 Jenaer Glaswerk Schott & Gen., 6500 Mainz Glas für optische Elemente mit relativ großem Brechwertgradienten nach Ionenaustausch
US4156755A (en) * 1978-04-19 1979-05-29 Ppg Industries, Inc. Lithium containing ion exchange strengthened glass
US4192689A (en) * 1978-05-30 1980-03-11 Ppg Industries, Inc. Ion exchange strengthening of soda-lime-silica glass
US4212919A (en) * 1979-06-28 1980-07-15 Corning Glass Works Strengthened polychromatic glasses
US4255199A (en) * 1979-11-05 1981-03-10 Corning Glass Works Stable, chemically-strengthenable lithium aluminosilicate glasses
US4710430A (en) * 1982-04-01 1987-12-01 Corning Glass Works Colored photochromic glasses and method
DE3524605A1 (de) * 1985-01-22 1987-01-15 Schott Glaswerke Lichtwellenleiter, hergestellt aus speziellen hoch-aluminiumhaltigen substratglaesern durch ionenaustausch gegen cs+-ionen
EP0256278A1 (de) * 1986-07-16 1988-02-24 Siemens Aktiengesellschaft Magnetplatte und Verfahren zu ihrer Herstellung
US4897371A (en) * 1987-02-03 1990-01-30 Nippon Sheet Glass Co., Ltd. Glass article protected from coloring by electron rays and method of using
GB2206878B (en) * 1987-07-11 1991-07-17 Glaverbel Pyrolytically coated sheet glass and process of manufacturing same
DE69801712T2 (de) * 1997-06-10 2002-07-04 Nippon Sheet Glass Co., Ltd. Verbundglasscheibe für Fahrzeuge
US7727917B2 (en) * 2003-10-24 2010-06-01 Schott Ag Lithia-alumina-silica containing glass compositions and glasses suitable for chemical tempering and articles made using the chemically tempered glass
US7566673B2 (en) * 2003-10-31 2009-07-28 Konica Minolta Opto, Inc. Glass substrate for an information recording medium and information recording medium employing it
RU2269493C1 (ru) * 2004-07-26 2006-02-10 Федеральное государственное унитарное предприятие "Обнинское научно-производственное предприятие "Технология" Способ упрочнения изделий из стеклокристаллического материала бета-сподуменового состава путем ионного обмена
US8304078B2 (en) * 2005-09-12 2012-11-06 Saxon Glass Technologies, Inc. Chemically strengthened lithium aluminosilicate glass having high strength effective to resist fracture upon flexing
US7666511B2 (en) 2007-05-18 2010-02-23 Corning Incorporated Down-drawable, chemically strengthened glass for cover plate
KR20100091228A (ko) 2007-11-29 2010-08-18 코닝 인코포레이티드 개선된 인성 및 내스크래치성을 갖는 유리
DE202009018699U1 (de) 2008-02-26 2012-11-20 Corning Incorporated Läutermittel für Silikatgläser
DE102008051614B4 (de) 2008-10-09 2012-09-20 Schott Ag Verfahren zur Herstellung von Packmitteln aus Glas für Pharmaprodukte
DE102008062881B4 (de) 2008-12-16 2021-04-08 Schott Ag Verfahren zur Herstellung eines hohlen Glasformkörpers
US8771532B2 (en) * 2009-03-31 2014-07-08 Corning Incorporated Glass having anti-glare surface and method of making
US8759238B2 (en) * 2010-05-27 2014-06-24 Corning Incorporated Ion exchangeable glasses
JP6169586B2 (ja) * 2011-10-28 2017-07-26 コーニング インコーポレイテッド 赤外線反射能を有するガラス物品および同物品を製造する方法
US20130136909A1 (en) * 2011-11-30 2013-05-30 John Christopher Mauro Colored alkali aluminosilicate glass articles
US8720226B2 (en) 2012-03-12 2014-05-13 Corning Incorporated Methods for producing ion-exchangeable glasses
WO2013181484A1 (en) 2012-05-31 2013-12-05 Corning Incorporated Stiff interlayers for laminated glass structures
US10273048B2 (en) 2012-06-07 2019-04-30 Corning Incorporated Delamination resistant glass containers with heat-tolerant coatings
US9034442B2 (en) 2012-11-30 2015-05-19 Corning Incorporated Strengthened borosilicate glass containers with improved damage tolerance
EP2890654A1 (en) * 2012-08-31 2015-07-08 Corning Incorporated Edge treating a cut edge of a glass piece
US10117806B2 (en) 2012-11-30 2018-11-06 Corning Incorporated Strengthened glass containers resistant to delamination and damage
US9790128B2 (en) * 2013-08-07 2017-10-17 Corning Incorporated Laser controlled ion exchange process and glass articles formed therefrom
US9670088B2 (en) 2014-05-20 2017-06-06 Corning Incorporated Scratch resistant glass and method of making
TWI705946B (zh) 2014-09-05 2020-10-01 美商康寧公司 玻璃物品及改善玻璃物品可靠性的方法
CN107108346B (zh) 2014-12-31 2020-03-27 康宁股份有限公司 对玻璃制品进行热处理的方法
KR102152978B1 (ko) * 2014-12-31 2020-09-08 코닝 인코포레이티드 유리 제품을 처리하는 방법
KR102294298B1 (ko) * 2015-05-19 2021-08-27 삼성디스플레이 주식회사 곡면 투명 기판, 이를 갖는 곡면 표시 패널 및 이의 제조 방법
US9890075B2 (en) 2016-01-20 2018-02-13 International Business Machines Corporation Chemically strengthened glass and methods of making same
CN109071302B (zh) 2016-03-09 2022-04-26 康宁股份有限公司 复杂弯曲玻璃制品的冷成形
US10751367B2 (en) 2016-05-27 2020-08-25 Corning Incorporated Bioactive glass microspheres
US10647962B2 (en) 2016-05-27 2020-05-12 Corning Incorporated Bioactive aluminoborate glasses
US20170342383A1 (en) 2016-05-27 2017-11-30 Corning Incorporated Lithium disilicate glass-ceramic compositions and methods thereof
US10676713B2 (en) 2016-05-27 2020-06-09 Corning Incorporated Bioactive borophosphate glasses
JP7051720B2 (ja) 2016-06-28 2022-04-11 コーニング インコーポレイテッド 装飾用途とディスプレイ用カバー用途のための湾曲成形プラスチック表面への薄い強化ガラスの積層
US11607958B2 (en) 2016-07-05 2023-03-21 Corning Incorporated Cold-formed glass article and assembly process thereof
US11384001B2 (en) 2016-10-25 2022-07-12 Corning Incorporated Cold-form glass lamination to a display
KR20200017001A (ko) 2017-01-03 2020-02-17 코닝 인코포레이티드 만곡된 커버 유리 및 디스플레이 또는 터치 패널을 갖는 차량 인테리어 시스템 및 이를 형성시키는 방법
US11016590B2 (en) 2017-01-03 2021-05-25 Corning Incorporated Vehicle interior systems having a curved cover glass and display or touch panel and methods for forming the same
WO2018213267A1 (en) 2017-05-15 2018-11-22 Corning Incorporated Contoured glass articles and methods of making the same
WO2019017915A1 (en) 2017-07-18 2019-01-24 Corning Incorporated COLD FORMING GLASS ARTICLES WITH COMPLEX CURVATURE
EP4516750A3 (en) 2017-09-12 2025-10-08 Corning Incorporated Tactile elements for deadfronted glass and methods of making the same
TWI873668B (zh) 2017-09-13 2025-02-21 美商康寧公司 用於顯示器的基於光導器的無電面板、相關的方法及載具內部系統
US11065960B2 (en) 2017-09-13 2021-07-20 Corning Incorporated Curved vehicle displays
TWI844520B (zh) 2017-10-10 2024-06-11 美商康寧公司 具有改善可靠性的彎曲的覆蓋玻璃的車輛內部系統及其形成方法
US11768369B2 (en) 2017-11-21 2023-09-26 Corning Incorporated Aspheric mirror for head-up display system and methods for forming the same
EP3717427A1 (en) 2017-11-28 2020-10-07 Corning Incorporated High liquidus viscosity bioactive glass
WO2019108571A1 (en) 2017-11-28 2019-06-06 Corning Incorporated Chemically strengthened bioactive glass-ceramics
WO2019108556A1 (en) 2017-11-28 2019-06-06 Corning Incorporated Bioactive glass compositions and dentin hypersensitivity remediation
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
JP7274480B2 (ja) 2017-11-30 2023-05-16 コーニング インコーポレイテッド 曲面ミラーを成形する真空成形装置、システム及び方法
TWI772569B (zh) 2017-11-30 2022-08-01 美商康寧公司 用於真空成形非球面鏡的系統與方法
EP3759530A1 (en) 2018-03-02 2021-01-06 Corning Incorporated Anti-reflective coatings and articles and methods of forming the same
JP7361705B2 (ja) 2018-03-13 2023-10-16 コーニング インコーポレイテッド 亀裂抵抗性の湾曲したカバーガラスを有する乗物内装システムおよびその形成方法
CN116312233B (zh) 2018-07-12 2025-09-16 康宁公司 配置用于色彩比对的无电板
KR20210032976A (ko) 2018-07-16 2021-03-25 코닝 인코포레이티드 냉간-벤딩 유리 기판을 갖는 차량 내부 시스템 및 이를 형성하기 위한 방법
KR20230041088A (ko) * 2018-11-13 2023-03-23 코닝 인코포레이티드 화학적으로 강화된 리튬 디실리케이트-페탈라이트 유리-세라믹
FR3098512B1 (fr) * 2019-07-11 2022-08-26 Sgd Sa Procede et installation de desalcalinisation de recipients en verre par voie liquide
EP3771695A1 (en) 2019-07-31 2021-02-03 Corning Incorporated Method and system for cold-forming glass
US12466756B2 (en) 2019-10-08 2025-11-11 Corning Incorporated Curved glass articles including a bumper piece configured to relocate bending moment from display region and method of manufacturing same
US11772361B2 (en) 2020-04-02 2023-10-03 Corning Incorporated Curved glass constructions and methods for forming same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL94598C (member.php) * 1955-07-06
DE1040198B (de) * 1957-10-11 1958-10-02 Kurz Fredrik W A Verfahren zur Erhoehung der chemischen Widerstandsfaehigkeit von Glasgegenstaenden
US3218220A (en) * 1964-11-20 1965-11-16 Brockway Glass Co Inc Strengthened glass article and method of producing same

Also Published As

Publication number Publication date
NL122215C (member.php)
BE618736A (member.php)
DE1421844A1 (de) 1968-11-07
NL279296A (member.php)
GB966735A (en) 1964-08-12
US3790430A (en) 1974-02-05
BE618737A (member.php)
DK118736B (da) 1970-09-28
FI42868B (member.php) 1970-08-03
CH450638A (de) 1968-01-31
GB966733A (en) 1964-08-12
DE1421842A1 (de) 1968-11-07
DE1421842B2 (de) 1971-07-08

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