FR29613E - Improvements to the processes and apparatus for manufacturing incandescent lamps - Google Patents

Improvements to the processes and apparatus for manufacturing incandescent lamps

Info

Publication number
FR29613E
FR29613E FR29613DA FR29613E FR 29613 E FR29613 E FR 29613E FR 29613D A FR29613D A FR 29613DA FR 29613 E FR29613 E FR 29613E
Authority
FR
France
Prior art keywords
processes
incandescent lamps
manufacturing incandescent
manufacturing
lamps
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 FR29613E publication Critical patent/FR29613E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/40—Closing vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Processing Of Solid Wastes (AREA)
FR29613D 1923-06-04 1924-06-03 Improvements to the processes and apparatus for manufacturing incandescent lamps Expired FR29613E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US643182A US1631378A (en) 1923-06-04 1923-06-04 Sealing-off device

Publications (1)

Publication Number Publication Date
FR29613E true FR29613E (en) 1925-09-03

Family

ID=24579703

Family Applications (1)

Application Number Title Priority Date Filing Date
FR29613D Expired FR29613E (en) 1923-06-04 1924-06-03 Improvements to the processes and apparatus for manufacturing incandescent lamps

Country Status (5)

Country Link
US (1) US1631378A (en)
DE (1) DE449729C (en)
FR (1) FR29613E (en)
GB (1) GB217205A (en)
NL (1) NL16831C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102646561A (en) * 2012-05-16 2012-08-22 镇江市神州东方电力设备有限公司 Full-helical lamp tube sealing fixture

Also Published As

Publication number Publication date
DE449729C (en) 1927-09-19
GB217205A (en) 1924-09-18
US1631378A (en) 1927-06-07
NL16831C (en)

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