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GB281249A - - Google Patents

Info

Publication number
GB281249A
GB281249A GB2944727A GB2944727A GB281249A GB 281249 A GB281249 A GB 281249A GB 2944727 A GB2944727 A GB 2944727A GB 2944727 A GB2944727 A GB 2944727A GB 281249 A GB281249 A GB 281249A
Authority
GB
United Kingdom
Prior art keywords
alumina
phonolith
fluorspar
added
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.)
Expired
Application number
GB2944727A
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of GB281249A publication Critical patent/GB281249A/en
Expired 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
    • C03C10/00Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/16Halogen containing crystalline phase

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

281,249. Patent-Treuhand-Ges. fiir Elektrische Gl³hlampen, (Assignees of Mohr, R., and Becker, H.). Nov. 26, 1926, [Convention date]. Production of metal. - A ceramic material which can be melted and cast is made by fusing siliceous minerals, such as phonolith or its decomposition products, with fluorspar or other fluorinecontaining material in a quantity exceeding 20 per cent of the mixture, and in interrupting the melting before the fusion is changed to a homogeneous glass composition. A suitable mixture consists of 100 parts by weight of phonolith with 50 parts by weight of fluorspar. If the alumina content of the material is insufficient. additional alumina, or clay or kaolin may be added. The alumina facilitates devitrification and enables a finished product to be obtained which resembles porcelain. Alkali may also be added to the materials, and the melting-operation may be prolonged if a finished material of more glass-like character is required.
GB2944727A 1926-11-27 1927-11-03 Expired GB281249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM97116D DE458509C (en) 1926-11-27 1926-11-27 Process for the production of a flowable deformable ceramic melt product

Publications (1)

Publication Number Publication Date
GB281249A true GB281249A (en) 1929-02-04

Family

ID=7323435

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2944727A Expired GB281249A (en) 1926-11-27 1927-11-03

Country Status (2)

Country Link
DE (1) DE458509C (en)
GB (1) GB281249A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444976A (en) * 1942-04-28 1948-07-13 Libbey Owens Ford Glass Co Absorption glasses

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE910038C (en) * 1950-08-17 1954-04-26 Sueddeutsche Basaltwerke Process for the production of crystalline solidifying silicate melts
DE927978C (en) * 1950-08-25 1955-05-20 Sueddeutsche Basaltwerke Process for the production of molded parts from crystalline solidifying silicate melts
DE952514C (en) * 1950-09-09 1956-11-15 Sueddeutsche Basaltwerke Process for the manufacture of objects from crystalline solidifying silicate melts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444976A (en) * 1942-04-28 1948-07-13 Libbey Owens Ford Glass Co Absorption glasses

Also Published As

Publication number Publication date
DE458509C (en) 1928-04-12

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