DK11577A - ELECTRIC LAMP AND PROCEDURE FOR PROTECTING INTERIOR SURFACES THEREOF - Google Patents

ELECTRIC LAMP AND PROCEDURE FOR PROTECTING INTERIOR SURFACES THEREOF

Info

Publication number
DK11577A
DK11577A DK11577A DK11577A DK11577A DK 11577 A DK11577 A DK 11577A DK 11577 A DK11577 A DK 11577A DK 11577 A DK11577 A DK 11577A DK 11577 A DK11577 A DK 11577A
Authority
DK
Denmark
Prior art keywords
procedure
interior surfaces
electric lamp
protecting interior
protecting
Prior art date
Application number
DK11577A
Other languages
Danish (da)
Inventor
J R Coaton
J M Rees
R N Rothon
Original Assignee
Thorn Lighting Ltd
Ici 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.)
Filing date
Publication date
Application filed by Thorn Lighting Ltd, Ici Ltd filed Critical Thorn Lighting Ltd
Publication of DK11577A publication Critical patent/DK11577A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
DK11577A 1976-01-12 1977-01-12 ELECTRIC LAMP AND PROCEDURE FOR PROTECTING INTERIOR SURFACES THEREOF DK11577A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB104576A GB1571194A (en) 1976-01-12 1976-01-12 Internal protective coating for incandescent lamps

Publications (1)

Publication Number Publication Date
DK11577A true DK11577A (en) 1977-07-13

Family

ID=9715212

Family Applications (1)

Application Number Title Priority Date Filing Date
DK11577A DK11577A (en) 1976-01-12 1977-01-12 ELECTRIC LAMP AND PROCEDURE FOR PROTECTING INTERIOR SURFACES THEREOF

Country Status (13)

Country Link
JP (1) JPS52101881A (en)
AU (1) AU507484B2 (en)
BE (1) BE850296A (en)
CA (1) CA1097991A (en)
DE (1) DE2701051A1 (en)
DK (1) DK11577A (en)
FR (1) FR2337939A1 (en)
GB (1) GB1571194A (en)
IE (1) IE44478B1 (en)
IT (1) IT1075605B (en)
LU (1) LU76555A1 (en)
NL (1) NL185881C (en)
SE (1) SE437743B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD143980A1 (en) * 1979-07-13 1980-09-17 Hasso Meinert LIGHT BULB WITH A FLUOR CIRCULAR PROCESS
DE3139294A1 (en) * 1981-10-02 1983-04-21 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München HALOGEN BULB AND METHOD FOR PROTECTING YOUR INTERIOR SURFACE
JPS5958753A (en) * 1982-09-28 1984-04-04 株式会社東芝 Incandescent bulb
GB8428881D0 (en) * 1984-11-15 1984-12-27 Atomic Energy Authority Uk Light scattering coatings
DE102008061776A1 (en) 2008-12-11 2010-06-17 Osram Gesellschaft mit beschränkter Haftung halogen bulb
DE102010042557A1 (en) 2009-10-21 2011-04-28 Osram Gesellschaft mit beschränkter Haftung halogen bulb

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT175628B (en) * 1950-07-12 1953-07-25 Egyesuelt Izzolampa Incandescent lamp and process for making same
FR1139217A (en) * 1954-02-26 1957-06-26 Philips Nv Incandescent lamp
FR1375567A (en) * 1963-11-27 1964-10-16 Philips Nv Gas-filled incandescent lamp
HU162781B (en) * 1971-12-22 1973-04-28

Also Published As

Publication number Publication date
GB1571194A (en) 1980-07-09
LU76555A1 (en) 1977-06-17
IE44478B1 (en) 1981-12-16
BE850296A (en) 1977-07-12
CA1097991A (en) 1981-03-24
DE2701051A1 (en) 1977-07-21
NL7700150A (en) 1977-07-14
NL185881C (en) 1990-08-01
JPS52101881A (en) 1977-08-26
FR2337939A1 (en) 1977-08-05
AU507484B2 (en) 1980-02-14
SE7700252L (en) 1977-07-13
AU2126977A (en) 1978-07-20
SE437743B (en) 1985-03-11
IT1075605B (en) 1985-04-22
FR2337939B1 (en) 1980-09-05
NL185881B (en) 1990-03-01
DE2701051C2 (en) 1988-08-11
IE44478L (en) 1977-07-12

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment