GB413206A - Improvements in the manufacture of electric incandescent lamps, thermionic valves, electric discharge devices and the like - Google Patents

Improvements in the manufacture of electric incandescent lamps, thermionic valves, electric discharge devices and the like

Info

Publication number: GB413206A
Authority: GB; United Kingdom
Prior art keywords: cement; cap; lamp; nozzle; lever
Prior art date: 1932-12-17
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

GB35613/33A

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.)

General Electric Company PLC

Original Assignee

General Electric Company PLC

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.)

1932-12-17

Filing date

1933-12-18

Publication date

1934-07-12

1933-12-18 Application filed by General Electric Company PLC filed Critical General Electric Company PLC

1934-07-12 Publication of GB413206A publication Critical patent/GB413206A/en

Status Expired legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title 1
239000004568 cement Substances 0.000 abstract 16
238000010438 heat treatment Methods 0.000 abstract 1
238000003801 milling Methods 0.000 abstract 1
230000002093 peripheral effect Effects 0.000 abstract 1
230000000717 retained effect Effects 0.000 abstract 1

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
- H01K3/16—Joining of caps to vessel
- H01K3/18—Machines therefor
- 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
- H01K3/16—Joining of caps to vessel

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Basic Packing Technique (AREA)
Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)

GB35613/33A 1932-12-17 1933-12-18 Improvements in the manufacture of electric incandescent lamps, thermionic valves, electric discharge devices and the like Expired GB413206A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE413206X		1932-12-17

Publications (1)

Publication Number	Publication Date
GB413206A true GB413206A (en)	1934-07-12

Family

ID=6441554

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB35613/33A Expired GB413206A (en)	1932-12-17	1933-12-18	Improvements in the manufacture of electric incandescent lamps, thermionic valves, electric discharge devices and the like

Country Status (4)

Country	Link
US (1)	US2008503A (2)
FR (1)	FR759723A (2)
GB (1)	GB413206A (2)
NL (1)	NL37866C (2)

0
- NL NL37866D patent/NL37866C/xx active
1933
- 1933-08-10 FR FR759723D patent/FR759723A/fr not_active Expired
- 1933-12-14 US US702430A patent/US2008503A/en not_active Expired - Lifetime
- 1933-12-18 GB GB35613/33A patent/GB413206A/en not_active Expired

Also Published As

Publication number	Publication date
FR759723A (fr)	1934-02-07
US2008503A (en)	1935-07-16
NL37866C (2)

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