FR878771A - Méthode et appareil perfectionnés pour le scellement des lampes électriques et analogues - Google Patents

Méthode et appareil perfectionnés pour le scellement des lampes électriques et analogues

Info

Publication number: FR878771A
Authority: FR; France
Prior art keywords: improved method; electric lamps; sealing electric; sealing; lamps
Prior art date: 1940-08-21
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.)

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.)

1940-08-21

Filing date

1942-01-17

Publication date

1943-01-29

1942-01-17 Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes

1943-01-29 Application granted granted Critical

1943-01-29 Publication of FR878771A publication Critical patent/FR878771A/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
- H01J9/40—Closing vessels

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Feeding And Controlling Fuel (AREA)
Package Closures (AREA)

FR878771D 1940-08-21 1942-01-17 Méthode et appareil perfectionnés pour le scellement des lampes électriques et analogues Expired FR878771A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US353524A US2295034A (en)	1940-08-21	1940-08-21	Tipping-off apparatus

Publications (1)

Publication Number	Publication Date
FR878771A true FR878771A (fr)	1943-01-29

Family

ID=23389485

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR878771D Expired FR878771A (fr)	1940-08-21	1942-01-17	Méthode et appareil perfectionnés pour le scellement des lampes électriques et analogues

Country Status (4)

Country	Link
US (1)	US2295034A (fr)
DE (1)	DE733916C (fr)
FR (1)	FR878771A (fr)
GB (1)	GB551283A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2689677A (en) *	1950-08-14	1954-09-21	Lilly Co Eli	Ampoule filling and sealing machine
US2691850A (en) *	1953-02-27	1954-10-19	Westinghouse Electric Corp	Heat baffle for automatic sealing machines
US2934860A (en) *	1955-03-01	1960-05-03	Rca Corp	Tip-off apparatus for electron tubes
US2848844A (en) *	1956-04-30	1958-08-26	Gen Electric	Apparatus for tipping-off incandescent lamps and similar devices
US3201217A (en) *	1962-05-01	1965-08-17	Rca Corp	Tubular glass sealing apparatus
US4329166A (en) *	1980-12-24	1982-05-11	Westinghouse Electric Corp.	Automatic tipping-off apparatus for a high-intensity-discharge arc tube

1940
- 1940-08-21 US US353524A patent/US2295034A/en not_active Expired - Lifetime
1941
- 1941-08-20 GB GB10588/41A patent/GB551283A/en not_active Expired
- 1941-08-22 DE DEP82922D patent/DE733916C/de not_active Expired
1942
- 1942-01-17 FR FR878771D patent/FR878771A/fr not_active Expired

Also Published As

Publication number	Publication date
GB551283A (en)	1943-02-16
DE733916C (de)	1943-04-05
US2295034A (en)	1942-09-08

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