BR7208021D0 - Processo de tratamento de encurvamento e de tempera de lentes de vidro e dispositivo para efetuar este tratamento - Google Patents

Processo de tratamento de encurvamento e de tempera de lentes de vidro e dispositivo para efetuar este tratamento

Info

Publication number
BR7208021D0
BR7208021D0 BR8021/72A BR802172A BR7208021D0 BR 7208021 D0 BR7208021 D0 BR 7208021D0 BR 8021/72 A BR8021/72 A BR 8021/72A BR 802172 A BR802172 A BR 802172A BR 7208021 D0 BR7208021 D0 BR 7208021D0
Authority
BR
Brazil
Prior art keywords
bending
perform
treatment
glass lenses
treatment process
Prior art date
Application number
BR8021/72A
Other languages
English (en)
Portuguese (pt)
Inventor
H Sureaud
Original Assignee
Verreries Ind Soc D
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 Verreries Ind Soc D filed Critical Verreries Ind Soc D
Publication of BR7208021D0 publication Critical patent/BR7208021D0/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B27/00—Tempering or quenching glass products
    • C03B27/04—Tempering or quenching glass products using gas
    • C03B27/06—Tempering or quenching glass products using gas for glass products other than flat or bent glass plates, e.g. hollow glassware, lenses
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/02—Re-forming glass sheets
    • C03B23/023—Re-forming glass sheets by bending
    • C03B23/025—Re-forming glass sheets by bending by gravity
    • C03B23/0252—Re-forming glass sheets by bending by gravity by gravity only, e.g. sagging

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Heat Treatment Of Articles (AREA)
BR8021/72A 1971-11-16 1972-11-14 Processo de tratamento de encurvamento e de tempera de lentes de vidro e dispositivo para efetuar este tratamento BR7208021D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7140935A FR2160262A1 (en) 1971-11-16 1971-11-16 Glass bowl making - comprises forming and quenching stages

Publications (1)

Publication Number Publication Date
BR7208021D0 true BR7208021D0 (pt) 1973-09-27

Family

ID=9085828

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8021/72A BR7208021D0 (pt) 1971-11-16 1972-11-14 Processo de tratamento de encurvamento e de tempera de lentes de vidro e dispositivo para efetuar este tratamento

Country Status (9)

Country Link
JP (1) JPS4859119A (2)
AR (1) AR194610A1 (2)
BR (1) BR7208021D0 (2)
DD (1) DD101373A5 (2)
DE (1) DE2249847A1 (2)
ES (1) ES406238A1 (2)
FR (1) FR2160262A1 (2)
IT (1) IT970331B (2)
ZA (1) ZA725743B (2)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO344702B1 (no) * 2016-02-11 2020-03-16 Vosstech As Herdeovn og fremgangsmåte for herding av et glassobjekt for anvendelse som en knusbar, trykktett barriere i et brønnverktøy

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE526447A (2) * 1953-02-12

Also Published As

Publication number Publication date
DE2249847A1 (de) 1973-05-24
ZA725743B (en) 1973-05-30
FR2160262B1 (2) 1976-06-04
DD101373A5 (2) 1973-11-05
AR194610A1 (es) 1973-07-31
JPS4859119A (2) 1973-08-18
IT970331B (it) 1974-04-10
ES406238A1 (es) 1975-07-01
FR2160262A1 (en) 1973-06-29

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