GB1014515A - Improvements in or relating to the manufacture of flat glass - Google Patents

Improvements in or relating to the manufacture of flat glass

Info

Publication number
GB1014515A
GB1014515A GB2922862A GB2922862A GB1014515A GB 1014515 A GB1014515 A GB 1014515A GB 2922862 A GB2922862 A GB 2922862A GB 2922862 A GB2922862 A GB 2922862A GB 1014515 A GB1014515 A GB 1014515A
Authority
GB
United Kingdom
Prior art keywords
glass
bath
magnesium
sodium
ribbon
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
GB2922862A
Inventor
David Gordon Loukes
John Graham Banner
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.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers 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 to NL295912D priority Critical patent/NL295912A/xx
Priority to BE635587D priority patent/BE635587A/xx
Application filed by Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Priority to GB2922862A priority patent/GB1014515A/en
Priority to DEP32200A priority patent/DE1214363B/en
Priority to FI140763A priority patent/FI42862B/fi
Priority to ES0290166A priority patent/ES290166A1/en
Priority to CS424063A priority patent/CS162701B2/cs
Priority to LU44136D priority patent/LU44136A1/xx
Priority to DK358163A priority patent/DK113947B/en
Priority to FR942863A priority patent/FR1364538A/en
Priority to AT604363A priority patent/AT251218B/en
Priority to CH945163A priority patent/CH416959A/en
Priority to US298599A priority patent/US3305337A/en
Publication of GB1014515A publication Critical patent/GB1014515A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B18/00—Shaping glass in contact with the surface of a liquid
    • C03B18/02—Forming sheets
    • C03B18/18—Controlling or regulating the temperature of the float bath; Composition or purification of the float bath
    • 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
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001—Treatment 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

Landscapes

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

Abstract

In the manufacture of flat glass during which the glass is in contact with molten metal, there is maintained within the molten metal at least a trace of an element with which an impurity in the metal preferentially reacts. Preferably a ribbon of glass is supported on a bath of molten tin or tin alloy covered by a plenum of a protective atmosphere. There is incorporated in the molten metal a trace of an element selected from lithium, sodium, potassium, magnesium, calcium, barium, aluminium, indium, titanium, vanadium, chromium, manganese, iron, zinc, zirconium, niobium, carbon and silicon. Preferably a concentration of 50 p.p.m. of sodium as a sodium/tin alloy or 10 p.p.m. of magnesium of a magnesium/tin alloy is used and is sufficient to ensure that any impurity such as oxygen and/or sulphur always reacts, and also forms a means for controlling migration of tin into the underface of the glass ribbon. The titanium, vanadium, chromium, niobium, zirconium or silicon, which are insoluble in the bath, may be used as grids immersed in the bath, the oxygen or sulphur reaction product forming on the grid, which may be removed and cleaned. A ribbon of glass formed in this way has a "fire-finished" quality.
GB2922862A 1962-07-30 1962-07-30 Improvements in or relating to the manufacture of flat glass Expired GB1014515A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
NL295912D NL295912A (en) 1962-07-30
BE635587D BE635587A (en) 1962-07-30
GB2922862A GB1014515A (en) 1962-07-30 1962-07-30 Improvements in or relating to the manufacture of flat glass
DEP32200A DE1214363B (en) 1962-07-30 1963-07-12 Process for the production of flat glass
FI140763A FI42862B (en) 1962-07-30 1963-07-16
ES0290166A ES290166A1 (en) 1962-07-30 1963-07-20 Improvements in or relating to the manufacture of flat glass
CS424063A CS162701B2 (en) 1962-07-30 1963-07-23
LU44136D LU44136A1 (en) 1962-07-30 1963-07-25
DK358163A DK113947B (en) 1962-07-30 1963-07-26 Method of making flat glass.
FR942863A FR1364538A (en) 1962-07-30 1963-07-26 Flat glass manufacturing process
AT604363A AT251218B (en) 1962-07-30 1963-07-29 Process for the production of flat glass
CH945163A CH416959A (en) 1962-07-30 1963-07-30 Process for manufacturing flat glass and flat glass obtained by this process
US298599A US3305337A (en) 1962-07-30 1963-07-30 Method of manufacture of flat glass on molten tin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2922862A GB1014515A (en) 1962-07-30 1962-07-30 Improvements in or relating to the manufacture of flat glass

Publications (1)

Publication Number Publication Date
GB1014515A true GB1014515A (en) 1965-12-31

Family

ID=10288175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2922862A Expired GB1014515A (en) 1962-07-30 1962-07-30 Improvements in or relating to the manufacture of flat glass

Country Status (11)

Country Link
AT (1) AT251218B (en)
BE (1) BE635587A (en)
CH (1) CH416959A (en)
CS (1) CS162701B2 (en)
DE (1) DE1214363B (en)
DK (1) DK113947B (en)
ES (1) ES290166A1 (en)
FI (1) FI42862B (en)
GB (1) GB1014515A (en)
LU (1) LU44136A1 (en)
NL (1) NL295912A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113912268A (en) * 2021-11-09 2022-01-11 中国洛阳浮法玻璃集团有限责任公司 Method for reducing lower surface tin penetration in float glass manufacturing process

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007022480B9 (en) 2007-05-14 2010-04-29 Schott Ag Method and device for separating contaminants from the bath metal from float glass plants

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113912268A (en) * 2021-11-09 2022-01-11 中国洛阳浮法玻璃集团有限责任公司 Method for reducing lower surface tin penetration in float glass manufacturing process

Also Published As

Publication number Publication date
LU44136A1 (en) 1965-01-25
BE635587A (en)
DE1214363B (en) 1966-04-14
DK113947B (en) 1969-05-12
CS162701B2 (en) 1975-07-15
AT251218B (en) 1966-12-27
ES290166A1 (en) 1963-10-16
FI42862B (en) 1970-08-03
NL295912A (en)
CH416959A (en) 1966-07-15

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