GB1266256A - - Google Patents

Info

Publication number
GB1266256A
GB1266256A GB1266256DA GB1266256A GB 1266256 A GB1266256 A GB 1266256A GB 1266256D A GB1266256D A GB 1266256DA GB 1266256 A GB1266256 A GB 1266256A
Authority
GB
United Kingdom
Prior art keywords
shreds
bends
bulbs
envelope
march
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.)
Expired
Application number
Other languages
English (en)
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
Priority claimed from DE19691913417 external-priority patent/DE1913417C3/de
Application filed filed Critical
Publication of GB1266256A publication Critical patent/GB1266256A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
    • F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Treatment Of Fiber Materials (AREA)
GB1266256D 1969-03-17 1970-03-17 Expired GB1266256A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691913417 DE1913417C3 (de) 1969-03-17 Blitzlampe

Publications (1)

Publication Number Publication Date
GB1266256A true GB1266256A (enrdf_load_stackoverflow) 1972-03-08

Family

ID=5728360

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1266256D Expired GB1266256A (enrdf_load_stackoverflow) 1969-03-17 1970-03-17

Country Status (8)

Country Link
US (2) US3630650A (enrdf_load_stackoverflow)
AT (1) AT306508B (enrdf_load_stackoverflow)
BE (1) BE747426A (enrdf_load_stackoverflow)
CH (1) CH507474A (enrdf_load_stackoverflow)
FR (1) FR2035002B1 (enrdf_load_stackoverflow)
GB (1) GB1266256A (enrdf_load_stackoverflow)
NL (1) NL7003086A (enrdf_load_stackoverflow)
SE (1) SE349652B (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3817683A (en) * 1971-02-05 1974-06-18 Gen Electric Photoflash lamps
US3770362A (en) * 1971-12-23 1973-11-06 Gte Sylvania Inc Moisture indicator for photoflash lamp
US3792957A (en) * 1972-06-26 1974-02-19 Gte Sylvania Inc Photoflash lamp
US3822109A (en) * 1972-11-21 1974-07-02 Gte Sylvania Inc Photoflash lamp
NL7311779A (nl) * 1973-08-28 1975-03-04 Philips Nv Werkwijze tot het vervaardigen van een flitslamp.
US4421493A (en) * 1982-03-01 1983-12-20 Gte Products Corporation Method of making photoflash lamp
US4449950A (en) * 1982-03-01 1984-05-22 Gte Products Corporation Method of making photoflash lamp to prevent shred migration into tip portion of lamp envelope during sealing thereof
US4445847A (en) * 1982-05-26 1984-05-01 Gte Products Corporation Photoflash lamp

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2162847A (en) * 1935-04-26 1939-06-20 Philips Nv Flash lamp
US2772703A (en) * 1950-10-26 1956-12-04 Sylvania Electric Prod Method and apparatus for filling flashbulbs
US3045460A (en) * 1960-04-27 1962-07-24 Sylvania Electric Prod Photoflash lamp
US3120694A (en) * 1960-08-10 1964-02-11 Gen Electric Method and apparatus for loading flash lamps with filamentary combustible material
US3158014A (en) * 1962-12-28 1964-11-24 Sylvania Electric Prod Photoflash lamp
US3228216A (en) * 1963-05-29 1966-01-11 Sylvania Electric Prod Photoflash lamp

Also Published As

Publication number Publication date
FR2035002A1 (enrdf_load_stackoverflow) 1970-12-18
AT306508B (de) 1973-04-10
US3739441A (en) 1973-06-19
FR2035002B1 (enrdf_load_stackoverflow) 1974-05-31
SE349652B (enrdf_load_stackoverflow) 1972-10-02
DE1913417A1 (de) 1970-10-01
CH507474A (de) 1971-05-15
NL7003086A (enrdf_load_stackoverflow) 1970-09-21
DE1913417B2 (de) 1977-06-23
US3630650A (en) 1971-12-28
BE747426A (fr) 1970-08-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee