FR2200478A1 - Flash bulb ignited by percussion - with detonator comprising filiform anvil covered with red phosphorus, potassium chlorate, and zirconium, in a tube - Google Patents

Flash bulb ignited by percussion - with detonator comprising filiform anvil covered with red phosphorus, potassium chlorate, and zirconium, in a tube

Info

Publication number
FR2200478A1
FR2200478A1 FR7332778A FR7332778A FR2200478A1 FR 2200478 A1 FR2200478 A1 FR 2200478A1 FR 7332778 A FR7332778 A FR 7332778A FR 7332778 A FR7332778 A FR 7332778A FR 2200478 A1 FR2200478 A1 FR 2200478A1
Authority
FR
France
Prior art keywords
tube
filiform
anvil
covered
detonator
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
FR7332778A
Other languages
English (en)
French (fr)
Other versions
FR2200478B1 (OSRAM
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2200478A1 publication Critical patent/FR2200478A1/fr
Application granted granted Critical
Publication of FR2200478B1 publication Critical patent/FR2200478B1/fr
Granted 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
    • F21K5/023—Ignition devices in photo flash bulbs
    • F21K5/026—Ignition devices in photo flash bulbs using mechanical firing, e.g. percussion of a fulminating charge

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
FR7332778A 1972-09-16 1973-09-12 Flash bulb ignited by percussion - with detonator comprising filiform anvil covered with red phosphorus, potassium chlorate, and zirconium, in a tube Granted FR2200478A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7212601A NL7212601A (OSRAM) 1972-09-16 1972-09-16

Publications (2)

Publication Number Publication Date
FR2200478A1 true FR2200478A1 (en) 1974-04-19
FR2200478B1 FR2200478B1 (OSRAM) 1977-05-20

Family

ID=19816953

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7332778A Granted FR2200478A1 (en) 1972-09-16 1973-09-12 Flash bulb ignited by percussion - with detonator comprising filiform anvil covered with red phosphorus, potassium chlorate, and zirconium, in a tube

Country Status (6)

Country Link
JP (1) JPS4970624A (OSRAM)
BE (1) BE804894A (OSRAM)
DE (1) DE2343221A1 (OSRAM)
FR (1) FR2200478A1 (OSRAM)
IT (1) IT995352B (OSRAM)
NL (1) NL7212601A (OSRAM)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1815785A1 (de) * 1967-12-26 1969-10-16 Sylvania Electric Prod Verfahren zum Praeparieren von explosivem Zuendmaterial
FR2017978A1 (en) * 1968-08-28 1970-05-29 Sylvania Electric Prod Impact ignited flash light for photographic purposes
GB1263215A (en) * 1969-05-23 1972-02-09 Gte Sylvania Inc Photoflash lamp

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1815785A1 (de) * 1967-12-26 1969-10-16 Sylvania Electric Prod Verfahren zum Praeparieren von explosivem Zuendmaterial
FR2017978A1 (en) * 1968-08-28 1970-05-29 Sylvania Electric Prod Impact ignited flash light for photographic purposes
GB1263215A (en) * 1969-05-23 1972-02-09 Gte Sylvania Inc Photoflash lamp

Also Published As

Publication number Publication date
IT995352B (it) 1975-11-10
BE804894A (fr) 1974-03-14
JPS4970624A (OSRAM) 1974-07-09
NL7212601A (OSRAM) 1974-03-19
FR2200478B1 (OSRAM) 1977-05-20
DE2343221A1 (de) 1974-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse