FR570877A - Improvements in quartz work - Google Patents

Improvements in quartz work

Info

Publication number
FR570877A
FR570877A FR570877DA FR570877A FR 570877 A FR570877 A FR 570877A FR 570877D A FR570877D A FR 570877DA FR 570877 A FR570877 A FR 570877A
Authority
FR
France
Prior art keywords
quartz
work
quartz work
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
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR570877A publication Critical patent/FR570877A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/20—Uniting glass pieces by fusing without substantial reshaping
    • C03B23/207—Uniting glass rods, glass tubes, or hollow glassware
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B13/00—Rolling molten glass, i.e. where the molten glass is shaped by rolling
    • C03B13/14—Rolling other articles, i.e. not covered by C03B13/01 - C03B13/12, e.g. channeled articles, briquette-shaped articles
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/06—Re-forming tubes or rods by bending
FR570877D 1922-09-20 1923-09-18 Improvements in quartz work Expired FR570877A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US570877XA 1922-09-20 1922-09-20

Publications (1)

Publication Number Publication Date
FR570877A true FR570877A (en) 1924-05-08

Family

ID=22008418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR570877D Expired FR570877A (en) 1922-09-20 1923-09-18 Improvements in quartz work

Country Status (1)

Country Link
FR (1) FR570877A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2488595A1 (en) * 1980-08-13 1982-02-19 American Optical Corp DEGRADE REFRACTION INDEX COMPONENTS AND PROCESS FOR PREPARING THE SAME

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2488595A1 (en) * 1980-08-13 1982-02-19 American Optical Corp DEGRADE REFRACTION INDEX COMPONENTS AND PROCESS FOR PREPARING THE SAME

Similar Documents

Publication Publication Date Title
FR570877A (en) Improvements in quartz work
FR581209A (en) Improvements in quartz work
FR555775A (en) Clamp
FR555118A (en) Sharpener
FR588236A (en) Sharpener
FR552552A (en) Toothpick
FI8921A (en) Piennaraura
ES81845A1 (en) Improvements in espadrilles.
ES80670A1 (en) Improvements in espadrilles.
FR554503A (en) Handle
FR568887A (en) Polishing instrument
FR564059A (en) Improvements in the processing of jute
FR553086A (en) Tie holder
FR546438A (en) Combined saw
FR553244A (en) Improvement in cremones
ES80699A1 (en) Improvements in counter-nuts.
FR548292A (en) Buffer ruler
FR558490A (en) Distributor-meter
FI8800A (en) Sträckdelare
FI8763A (en) Förgasningsbrännare
FI8793A (en) Gjutningsapparat
FI8794A (en) Stek-, rök-, kok- och bakugn
FI8795A (en) Uppvärmningsugn
FI8799A (en) Adderingsmaskin
FI8766A (en) Torvmaskin