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MY102867A - Methods of controlling foam when refining glassy materials under vacuum - Google Patents

Methods of controlling foam when refining glassy materials under vacuum

Info

Publication number
MY102867A
MY102867A MYPI87000958A MYPI19870958A MY102867A MY 102867 A MY102867 A MY 102867A MY PI87000958 A MYPI87000958 A MY PI87000958A MY PI19870958 A MYPI19870958 A MY PI19870958A MY 102867 A MY102867 A MY 102867A
Authority
MY
Malaysia
Prior art keywords
methods
under vacuum
materials under
glassy materials
controlling foam
Prior art date
Application number
MYPI87000958A
Inventor
Michael Matesa Joseph
Montgomery Welton Wright
Lee Schwenninger Ronald
Original Assignee
Ppg Industries Inc
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 claimed from US06/895,647 external-priority patent/US4704153A/en
Application filed by Ppg Industries Inc filed Critical Ppg Industries Inc
Publication of MY102867A publication Critical patent/MY102867A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/225—Refining
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Glass Compositions (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

IN THE PROCESS FOR REFINING GLASS OR THE LIKE BY VACUUM, THE COLLAPSE OF FOAM IS EXPEDITED BY HEATING THE HEADSPACE WITHIN THE VACUUM CHAMBER. (FIG.2)
MYPI87000958A 1986-07-07 1987-07-07 Methods of controlling foam when refining glassy materials under vacuum MY102867A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88264786A 1986-07-07 1986-07-07
US06/895,647 US4704153A (en) 1986-08-12 1986-08-12 Vacuum refining of glassy materials with controlled foaming

Publications (1)

Publication Number Publication Date
MY102867A true MY102867A (en) 1993-03-31

Family

ID=27128668

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI87000958A MY102867A (en) 1986-07-07 1987-07-07 Methods of controlling foam when refining glassy materials under vacuum

Country Status (8)

Country Link
KR (1) KR900005199B1 (en)
BR (1) BR8703393A (en)
EG (1) EG18191A (en)
FI (1) FI82437C (en)
IL (1) IL83036A (en)
MY (1) MY102867A (en)
PT (1) PT85268B (en)
TR (1) TR23142A (en)

Also Published As

Publication number Publication date
FI872982A (en) 1988-01-08
FI82437B (en) 1990-11-30
KR900005199B1 (en) 1990-07-21
TR23142A (en) 1989-04-17
BR8703393A (en) 1988-03-22
PT85268B (en) 1993-07-30
IL83036A0 (en) 1987-12-20
IL83036A (en) 1994-02-27
PT85268A (en) 1988-07-29
KR880002759A (en) 1988-05-11
EG18191A (en) 1992-10-30
FI82437C (en) 1991-03-11
FI872982A0 (en) 1987-07-06

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