FR772763A - Incandescent lamps - Google Patents

Incandescent lamps

Info

Publication number
FR772763A
FR772763A FR772763DA FR772763A FR 772763 A FR772763 A FR 772763A FR 772763D A FR772763D A FR 772763DA FR 772763 A FR772763 A FR 772763A
Authority
FR
France
Prior art keywords
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 FR772763A publication Critical patent/FR772763A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B33/00—Drivers; Driving centres, Nose clutches, e.g. lathe dogs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/70—Compounds containing any of the groups, e.g. isoureas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/32—Seals for leading-in conductors
    • H01J5/40—End-disc seals, e.g. flat header
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0034—Lamp bases
    • H01J2893/0035—Lamp bases shaped as flat plates, in particular metallic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
FR772763D 1933-05-03 1934-05-02 Incandescent lamps Expired FR772763A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US669189A US2084192A (en) 1933-05-03 1933-05-03 Incandescent lamp and similar device

Publications (1)

Publication Number Publication Date
FR772763A true FR772763A (en) 1934-11-06

Family

ID=24685427

Family Applications (1)

Application Number Title Priority Date Filing Date
FR772763D Expired FR772763A (en) 1933-05-03 1934-05-02 Incandescent lamps

Country Status (2)

Country Link
US (1) US2084192A (en)
FR (1) FR772763A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810283A (en) * 1954-02-10 1957-10-22 Sylvania Electric Prod Photoflash lamp
GB1054423A (en) * 1963-04-22
DE2605433C3 (en) * 1976-02-12 1979-01-25 Philips Patentverwaltung Gmbh, 2000 Hamburg Electric light bulb with centering ring

Also Published As

Publication number Publication date
US2084192A (en) 1937-06-15

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