FR791075A - Process and control devices in the manufacture of incandescent lamps - Google Patents

Process and control devices in the manufacture of incandescent lamps

Info

Publication number
FR791075A
FR791075A FR791075DA FR791075A FR 791075 A FR791075 A FR 791075A FR 791075D A FR791075D A FR 791075DA FR 791075 A FR791075 A FR 791075A
Authority
FR
France
Prior art keywords
manufacture
control devices
incandescent lamps
incandescent
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 FR791075A publication Critical patent/FR791075A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/30—Repairing or regenerating used or defective lamps
    • H01K3/305—Testing of incandescent lamps
    • 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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/32—Sealing leading-in conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
FR791075D 1934-06-12 1935-06-11 Process and control devices in the manufacture of incandescent lamps Expired FR791075A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US730234A US2027157A (en) 1934-06-12 1934-06-12 Detection device

Publications (1)

Publication Number Publication Date
FR791075A true FR791075A (en) 1935-12-02

Family

ID=24934510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791075D Expired FR791075A (en) 1934-06-12 1935-06-11 Process and control devices in the manufacture of incandescent lamps

Country Status (3)

Country Link
US (1) US2027157A (en)
FR (1) FR791075A (en)
GB (1) GB444933A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114113470A (en) * 2021-11-01 2022-03-01 山东顺国电子科技有限公司 Underground space condition detection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114113470A (en) * 2021-11-01 2022-03-01 山东顺国电子科技有限公司 Underground space condition detection system
CN114113470B (en) * 2021-11-01 2024-03-26 山东顺国电子科技有限公司 Underground space condition detection system

Also Published As

Publication number Publication date
US2027157A (en) 1936-01-07
GB444933A (en) 1936-03-31

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