GB369887A - A method to place the edge of the frosted part of a glass bulb for electric lamp, when part of the inner surface of a glass bulb is to be frosted by a corrosive liquid - Google Patents

A method to place the edge of the frosted part of a glass bulb for electric lamp, when part of the inner surface of a glass bulb is to be frosted by a corrosive liquid

Info

Publication number
GB369887A
GB369887A GB28260/30A GB2826030A GB369887A GB 369887 A GB369887 A GB 369887A GB 28260/30 A GB28260/30 A GB 28260/30A GB 2826030 A GB2826030 A GB 2826030A GB 369887 A GB369887 A GB 369887A
Authority
GB
United Kingdom
Prior art keywords
fluid
frosted
glass bulb
etching
bulb
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
GB28260/30A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB369887A publication Critical patent/GB369887A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Surface Treatment Of Glass (AREA)
GB28260/30A 1929-09-20 1930-09-22 A method to place the edge of the frosted part of a glass bulb for electric lamp, when part of the inner surface of a glass bulb is to be frosted by a corrosive liquid Expired GB369887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP369887X 1929-09-20

Publications (1)

Publication Number Publication Date
GB369887A true GB369887A (en) 1932-03-31

Family

ID=12485114

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28260/30A Expired GB369887A (en) 1929-09-20 1930-09-22 A method to place the edge of the frosted part of a glass bulb for electric lamp, when part of the inner surface of a glass bulb is to be frosted by a corrosive liquid

Country Status (5)

Country Link
US (1) US1875819A (cs)
DE (1) DE663883C (cs)
FR (1) FR702317A (cs)
GB (1) GB369887A (cs)
NL (1) NL54255C (cs)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE423895A (cs) * 1937-01-09
US2816399A (en) * 1953-06-09 1957-12-17 Soltysik Zeno Method of forming a well in light bulbs
US2955927A (en) * 1957-02-21 1960-10-11 Ogata Hisae Light-diffusing glass and process for making the same
US3043362A (en) * 1958-05-26 1962-07-10 Applic Et De Const Pour Materi Apparatus for machining a piece of work by means of an erosive fluid
NL242503A (cs) * 1958-08-27
US2954155A (en) * 1958-09-17 1960-09-27 Thompson Ramo Wooldridge Inc Compressor
US3148088A (en) * 1961-08-25 1964-09-08 Hanson Van Winkle Munning Co Method for treating hollow articles having one closed end

Also Published As

Publication number Publication date
DE663883C (de) 1938-08-16
FR702317A (fr) 1931-04-04
US1875819A (en) 1932-09-06
NL54255C (cs)

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