GB1315828A - Production of opal glass - Google Patents

Production of opal glass

Info

Publication number
GB1315828A
GB1315828A GB1315828DA GB1315828A GB 1315828 A GB1315828 A GB 1315828A GB 1315828D A GB1315828D A GB 1315828DA GB 1315828 A GB1315828 A GB 1315828A
Authority
GB
United Kingdom
Prior art keywords
glass
production
opal glass
nov
opal
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.)
Expired
Application number
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.)
JOBLING CO Ltd JAMES A
James A Jobling and Co Ltd
Original Assignee
JOBLING CO Ltd JAMES A
James A Jobling and Co 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
Application filed by JOBLING CO Ltd JAMES A, James A Jobling and Co Ltd filed Critical JOBLING CO Ltd JAMES A
Publication of GB1315828A publication Critical patent/GB1315828A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL 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
    • C03C4/00—Compositions for glass with special properties
    • C03C4/005—Compositions for glass with special properties for opaline glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
    • C03C3/112—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine
    • C03C3/115—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine containing boron
    • C03C3/118—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine containing boron containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL 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
    • C03C4/00—Compositions for glass with special properties
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL 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
    • C03C2204/00—Glasses, glazes or enamels with special properties
    • C03C2204/04—Opaque glass, glaze or enamel

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)

Abstract

1315828 Opal glass JAMES A JOBLING & CO Ltd 22 Nov 1971 [27 Nov 1970 27 April 1971] 56590/70 and 11734/71 Heading C1M A glass which forms a clear melt, but opacifies on solidifying, consists of 60-75% w./w. SiO 2 , 8-15% B 2 O 3 , 9-17% RO, 3-7% M 2 O, 2-7% Al 2 O 3 , 1-4% F, 0-2À5% ZrO 2 and 0-4% TiO 2 where R is Ca and Ba and/or Sr and/or Mg and/or Zn, Ca comprising at least part and preferably at least 60% of R, and M is Na, K and/or Li, Na preferably comprising at least 75%. The product preferably has an opacity number (defined) of at least 5 and a viscosity of 10<SP>3.2</SP> poise at at least 20‹ C. above the upper separation temperature (defined). The thermal expansion coefficient between 20 and 400‹ C. is preferably not more than 65.10<SP>-7</SP>/‹ C. In the preparation the molten glass may be cooled very rapidly for solidification, e.g. 500‹ C./second, from 1100- 1250‹ C. to about 700‹ C.
GB1315828D 1970-11-27 1970-11-27 Production of opal glass Expired GB1315828A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5659070 1970-11-27
GB1173471 1971-04-27

Publications (1)

Publication Number Publication Date
GB1315828A true GB1315828A (en) 1973-05-02

Family

ID=26248481

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1315828D Expired GB1315828A (en) 1970-11-27 1970-11-27 Production of opal glass

Country Status (8)

Country Link
AU (1) AU3612571A (en)
BE (1) BE775865A (en)
DE (1) DE2158544A1 (en)
FR (1) FR2115424B1 (en)
GB (1) GB1315828A (en)
IT (1) IT945144B (en)
LU (1) LU64335A1 (en)
NL (1) NL7116399A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439528A (en) * 1983-06-02 1984-03-27 Corning Glass Works Spontaneous opal glass compositions
EP0393625A2 (en) * 1989-04-18 1990-10-24 Tokai Kogyo Co., Ltd. Glass frit useful for the preparation of glass bubbles, and glass bubbles prepared by using it

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586672B1 (en) * 1985-08-30 1992-02-14 Corning Glass Works COMPOSITION FOR OBTAINING AN OPAL GLASS WITH A WHITE-CREAM TINT

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439528A (en) * 1983-06-02 1984-03-27 Corning Glass Works Spontaneous opal glass compositions
EP0393625A2 (en) * 1989-04-18 1990-10-24 Tokai Kogyo Co., Ltd. Glass frit useful for the preparation of glass bubbles, and glass bubbles prepared by using it
EP0393625A3 (en) * 1989-04-18 1990-12-27 Tokai Kogyo Co., Ltd Glass frit useful for the preparation of glass bubbles, and glass bubbles prepared by using it
US5064784A (en) * 1989-04-18 1991-11-12 Tokai Kogyo Co., Ltd. Glass frit useful for the preparation of glass bubbles, and glass bubbles prepared by using it

Also Published As

Publication number Publication date
AU3612571A (en) 1973-05-31
FR2115424B1 (en) 1974-09-13
IT945144B (en) 1973-05-10
NL7116399A (en) 1972-05-30
LU64335A1 (en) 1972-06-19
DE2158544A1 (en) 1972-05-31
FR2115424A1 (en) 1972-07-07
BE775865A (en) 1972-05-26

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee