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FR26257E - Improvements to automatic machines for the manufacture of ends of glass tubes particularly applicable to incandescent lamps - Google Patents

Improvements to automatic machines for the manufacture of ends of glass tubes particularly applicable to incandescent lamps

Info

Publication number
FR26257E
FR26257E FR26257DA FR26257E FR 26257 E FR26257 E FR 26257E FR 26257D A FR26257D A FR 26257DA FR 26257 E FR26257 E FR 26257E
Authority
FR
France
Prior art keywords
manufacture
particularly applicable
glass tubes
incandescent lamps
automatic machines
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 des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR26257E publication Critical patent/FR26257E/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
    • C03B23/04—Re-forming tubes or rods
    • C03B23/09—Reshaping the ends, e.g. as grooves, threads or mouths
    • C03B23/095—Reshaping the ends, e.g. as grooves, threads or mouths by rolling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
FR26257D 1921-07-08 1922-04-14 Improvements to automatic machines for the manufacture of ends of glass tubes particularly applicable to incandescent lamps Expired FR26257E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26257TA 1921-07-08 1921-07-08

Publications (1)

Publication Number Publication Date
FR26257E true FR26257E (en) 1923-09-27

Family

ID=21701678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR26257D Expired FR26257E (en) 1921-07-08 1922-04-14 Improvements to automatic machines for the manufacture of ends of glass tubes particularly applicable to incandescent lamps

Country Status (1)

Country Link
FR (1) FR26257E (en)

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