EP0141402A3 - Electric incandescent lamp and method for its manufacture - Google Patents

Electric incandescent lamp and method for its manufacture Download PDF

Info

Publication number
EP0141402A3
EP0141402A3 EP84113117A EP84113117A EP0141402A3 EP 0141402 A3 EP0141402 A3 EP 0141402A3 EP 84113117 A EP84113117 A EP 84113117A EP 84113117 A EP84113117 A EP 84113117A EP 0141402 A3 EP0141402 A3 EP 0141402A3
Authority
EP
European Patent Office
Prior art keywords
bulb
coating
bowl
lamp
visible radiation
Prior art date
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.)
Granted
Application number
EP84113117A
Other languages
English (en)
Other versions
EP0141402B1 (de
EP0141402A2 (de
Inventor
Kurt Schonsee
Joachim Oehmke
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority to AT84113117T priority Critical patent/ATE35482T1/de
Publication of EP0141402A2 publication Critical patent/EP0141402A2/de
Publication of EP0141402A3 publication Critical patent/EP0141402A3/de
Application granted granted Critical
Publication of EP0141402B1 publication Critical patent/EP0141402B1/de
Expired legal-status Critical Current

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

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Glass Compositions (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP84113117A 1983-11-08 1984-10-31 Verfahren zur Herstellung einer elektrischen Glühlampe Expired EP0141402B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84113117T ATE35482T1 (de) 1983-11-08 1984-10-31 Verfahren zur herstellung einer elektrischen gluehlampe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3340387 1983-11-08
DE19833340387 DE3340387A1 (de) 1983-11-08 1983-11-08 Elektrische gluehlampe und verfahren zu deren herstellung

Publications (3)

Publication Number Publication Date
EP0141402A2 EP0141402A2 (de) 1985-05-15
EP0141402A3 true EP0141402A3 (en) 1986-02-12
EP0141402B1 EP0141402B1 (de) 1988-06-29

Family

ID=6213767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84113117A Expired EP0141402B1 (de) 1983-11-08 1984-10-31 Verfahren zur Herstellung einer elektrischen Glühlampe

Country Status (3)

Country Link
EP (1) EP0141402B1 (de)
AT (1) ATE35482T1 (de)
DE (2) DE3340387A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0237104B1 (de) * 1986-03-11 1990-05-02 Koninklijke Philips Electronics N.V. Geblasener Lampenkolben und mit einem solchen Kolben versehene elektrische Lampe
WO1991010256A1 (en) * 1989-12-22 1991-07-11 Gte Products Corporation Tungsten halogen aluminized reflector lamp and method of fabricating such lamp

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1999014A (en) * 1931-01-21 1935-04-23 Hygrade Sylvania Corp Manufacture of incandescent electric lamps
US2449268A (en) * 1947-05-29 1948-09-14 Sylvania Electric Prod Electric lamp
US4081709A (en) * 1975-11-20 1978-03-28 General Electric Company Electrostatic coating of silica powders on incandescent bulbs
EP0022304A1 (de) * 1979-07-10 1981-01-14 Koninklijke Philips Electronics N.V. Elektrische Lampe mit einem teilweise gespiegelten Kolben

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1999014A (en) * 1931-01-21 1935-04-23 Hygrade Sylvania Corp Manufacture of incandescent electric lamps
US2449268A (en) * 1947-05-29 1948-09-14 Sylvania Electric Prod Electric lamp
US4081709A (en) * 1975-11-20 1978-03-28 General Electric Company Electrostatic coating of silica powders on incandescent bulbs
EP0022304A1 (de) * 1979-07-10 1981-01-14 Koninklijke Philips Electronics N.V. Elektrische Lampe mit einem teilweise gespiegelten Kolben

Also Published As

Publication number Publication date
DE3340387A1 (de) 1985-05-15
ATE35482T1 (de) 1988-07-15
DE3472497D1 (en) 1988-08-04
EP0141402B1 (de) 1988-06-29
EP0141402A2 (de) 1985-05-15

Similar Documents

Publication Publication Date Title
US2545896A (en) Electric lamp, light diffusing coating therefor and method of manufacture
IE841892L (en) Incandescent lamps
US3462632A (en) Decorative incandescent lamp
US2806444A (en) Silica coating apparatus for incandescent lamp bulbs
US2963611A (en) Incandescent lamp
DE3472497D1 (en) Method for the manufacturing of an electric incandescent lamp
US2988458A (en) Process for electrostatic coating of incandescent lamp envelopes
US2733166A (en) Method of internally coating lamp
US2970928A (en) Light-diffusing glass articles and process of preparing same
JPS5763764A (en) Single base type fluorescent lamp device
US1816903A (en) Method for coating the interior wall of hollow bodies
US2922065A (en) Incandescent lamp
US2878136A (en) Method of coating electric lamp envelopes
US2489259A (en) Article comprising and method of placing indicia thereon
JPS5312183A (en) Process for producing incandescent lamp
US2921827A (en) Method for manufacturing incandescent lamps
FR2304169A1 (fr) Ampoule comportant un revetement de diffusion de lumiere et son procede de fabrication
SU1543478A1 (ru) Способ изготовлени галогенных ламп накаливани
GB696846A (en) Improvements relating to high temperature electric lamps
JPS5287879A (en) Method of forming silica coating for tubular glass bulb
JPS5318277A (en) Process for producing diffusion type electric bulb
JPS5659426A (en) Manufacture of fluorescent lamp
JPS5259973A (en) Incandescent electric lamp
JPS57162240A (en) Manufacture of circular fluorescent lamp
GB602215A (en) Improvements in or relating to the production of glass coatings on objects consisting of a material of high melting point

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT DE FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): AT DE FR GB IT

17P Request for examination filed

Effective date: 19860219

17Q First examination report despatched

Effective date: 19870421

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT DE FR GB IT

REF Corresponds to:

Ref document number: 35482

Country of ref document: AT

Date of ref document: 19880715

Kind code of ref document: T

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
REF Corresponds to:

Ref document number: 3472497

Country of ref document: DE

Date of ref document: 19880804

ET Fr: translation filed
ITF It: translation for a ep patent filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19950920

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Effective date: 19961031

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20021010

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20021023

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20021216

Year of fee payment: 19

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040501

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20031031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040630

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST