AT296425B - Process for manufacturing a tungsten-halogen incandescent lamp - Google Patents

Process for manufacturing a tungsten-halogen incandescent lamp

Info

Publication number: AT296425B
Authority: AT; Austria
Prior art keywords: tungsten; manufacturing; incandescent lamp; halogen incandescent; halogen
Prior art date: 1969-01-21

Application number

AT1184769A

Other languages

German (de)

Original Assignee

Thorn Lighting Ltd

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.)

1969-01-21

Filing date

1969-12-19

Publication date

1972-02-10

1969-12-19 Application filed by Thorn Lighting Ltd filed Critical Thorn Lighting Ltd

1972-02-10 Application granted granted Critical

1972-02-10 Publication of AT296425B publication Critical patent/AT296425B/en

Links

229910052736 halogen Inorganic materials 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
238000000034 method Methods 0.000 title 1

Classifications

- 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

AT1184769A 1969-01-21 1969-12-19 Process for manufacturing a tungsten-halogen incandescent lamp AT296425B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB338469A GB1236174A (en)	1969-01-21	1969-01-21	Improvements in electric incandescent lamps

Publications (1)

Publication Number	Publication Date
AT296425B true AT296425B (en)	1972-02-10

Family

ID=9757318

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT1184769A AT296425B (en)	1969-01-21	1969-12-19	Process for manufacturing a tungsten-halogen incandescent lamp

Country Status (8)

Country	Link
AT (1)	AT296425B (en)
BE (1)	BE742908A (en)
CH (2)	CH515610A (en)
DE (1)	DE2001978C3 (en)
FR (1)	FR2028773A1 (en)
GB (1)	GB1236174A (en)
NL (1)	NL159812B (en)
SE (1)	SE368113B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8302494D0 (en) *	1983-01-29	1983-03-02	Emi Plc Thorn	Tungsten halogen incandescent lamps

1969
- 1969-01-21 GB GB338469A patent/GB1236174A/en not_active Expired
- 1969-11-28 NL NL6917901A patent/NL159812B/en not_active IP Right Cessation
- 1969-12-10 BE BE742908D patent/BE742908A/xx unknown
- 1969-12-18 CH CH1887669A patent/CH515610A/en not_active IP Right Cessation
- 1969-12-18 CH CH1516771A patent/CH537642A/en not_active IP Right Cessation
- 1969-12-19 AT AT1184769A patent/AT296425B/en not_active IP Right Cessation
1970
- 1970-01-12 SE SE30670A patent/SE368113B/xx unknown
- 1970-01-15 FR FR7001418A patent/FR2028773A1/fr not_active Withdrawn
- 1970-01-17 DE DE19702001978 patent/DE2001978C3/en not_active Expired

Also Published As

Publication number	Publication date
NL6917901A (en)	1970-07-23
GB1236174A (en)	1971-06-23
NL159812B (en)	1979-03-15
SE368113B (en)	1974-06-17
CH515610A (en)	1971-11-15
DE2001978A1 (en)	1970-09-10
FR2028773A1 (en)	1970-10-16
CH537642A (en)	1973-07-13
DE2001978C3 (en)	1974-05-16
DE2001978B2 (en)	1973-10-25
BE742908A (en)	1970-05-14

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Legal Events

Date	Code	Title	Description
1989-03-15	ELJ	Ceased due to non-payment of the annual fee