FR592654A - Perfectionnements à la fabrication de tubes à vide à filaments tels que les lampes à incandescence - Google Patents

Perfectionnements à la fabrication de tubes à vide à filaments tels que les lampes à incandescence

Info

Publication number
FR592654A
FR592654A FR592654DA FR592654A FR 592654 A FR592654 A FR 592654A FR 592654D A FR592654D A FR 592654DA FR 592654 A FR592654 A FR 592654A
Authority
FR
France
Prior art keywords
manufacture
incandescent lamps
vacuum tubes
filament vacuum
filament
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
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.)
Westinghouse Lamp Co
Original Assignee
Westinghouse Lamp Co
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 Westinghouse Lamp Co filed Critical Westinghouse Lamp Co
Application granted granted Critical
Publication of FR592654A publication Critical patent/FR592654A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
    • B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
    • B65G51/06—Despatch carriers for tube mail
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
FR592654D 1925-11-20 1924-11-19 Perfectionnements à la fabrication de tubes à vide à filaments tels que les lampes à incandescence Expired FR592654A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR31192T 1925-11-20

Publications (1)

Publication Number Publication Date
FR592654A true FR592654A (fr) 1925-08-06

Family

ID=8669021

Family Applications (2)

Application Number Title Priority Date Filing Date
FR592654D Expired FR592654A (fr) 1925-11-20 1924-11-19 Perfectionnements à la fabrication de tubes à vide à filaments tels que les lampes à incandescence
FR31192D Expired FR31192E (fr) 1925-11-20 1925-11-20 étui pour transporteurs pneumatiques muni d'un couvercle et d'extracteur

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR31192D Expired FR31192E (fr) 1925-11-20 1925-11-20 étui pour transporteurs pneumatiques muni d'un couvercle et d'extracteur

Country Status (1)

Country Link
FR (2) FR592654A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1056541B (de) * 1956-07-11 1959-04-30 Siemens Ag Verschlussvorrichtung fuer Rohrpostbuechsen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5141005A (en) * 1989-11-13 1992-08-25 R. J. Reynolds Tobacco Company Tobacco sample transfer apparatus and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1056541B (de) * 1956-07-11 1959-04-30 Siemens Ag Verschlussvorrichtung fuer Rohrpostbuechsen

Also Published As

Publication number Publication date
FR31192E (fr) 1927-01-26

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