FR801792A - Procédé de fabrication de lampes à décharge à double paroi et à un seul culot - Google Patents

Procédé de fabrication de lampes à décharge à double paroi et à un seul culot

Info

Publication number: FR801792A
Authority: FR; France
Prior art keywords: double; wall; manufacturing process; discharge lamps; base discharge
Prior art date: 1935-04-15
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

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.)

Osa Participations Industrielles SA

Original Assignee

Osa Participations Industrielles SA

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.)

1935-04-15

Filing date

1936-02-10

Publication date

1936-08-17

1936-02-10 Application filed by Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA

1936-08-17 Application granted granted Critical

1936-08-17 Publication of FR801792A publication Critical patent/FR801792A/fr

Status Expired legal-status Critical Current

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
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/245—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps
- H01J9/247—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Vessels And Coating Films For Discharge Lamps (AREA)

FR801792D 1935-04-15 1936-02-10 Procédé de fabrication de lampes à décharge à double paroi et à un seul culot Expired FR801792A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1158735A GB445648A (en)	1935-04-15	1935-04-15	Improvements in electric discharge devices

Publications (1)

Publication Number	Publication Date
FR801792A true FR801792A (fr)	1936-08-17

Family

ID=9988968

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR801792D Expired FR801792A (fr)	1935-04-15	1936-02-10	Procédé de fabrication de lampes à décharge à double paroi et à un seul culot

Country Status (3)

Country	Link
DE (1)	DE634826C (fr)
FR (1)	FR801792A (fr)
GB (1)	GB445648A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2694774A (en) *	1950-04-19	1954-11-16	Hanovia Chemical & Mfg Co	End fitting for vapor arc lamps
NL255044A (fr) *	1959-08-20

1935
- 1935-04-05 DE DEP71053D patent/DE634826C/de not_active Expired
- 1935-04-15 GB GB1158735A patent/GB445648A/en not_active Expired
1936
- 1936-02-10 FR FR801792D patent/FR801792A/fr not_active Expired

Also Published As

Publication number	Publication date
GB445648A (en)	1936-04-16
DE634826C (de)	1936-09-07

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