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 tubeInfo
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7212601A NL7212601A (fr) | 1972-09-16 | 1972-09-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2200478A1 true FR2200478A1 (en) | 1974-04-19 |
FR2200478B1 FR2200478B1 (fr) | 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 (fr) |
BE (1) | BE804894A (fr) |
DE (1) | DE2343221A1 (fr) |
FR (1) | FR2200478A1 (fr) |
IT (1) | IT995352B (fr) |
NL (1) | NL7212601A (fr) |
Citations (3)
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 |
-
1972
- 1972-09-16 NL NL7212601A patent/NL7212601A/xx unknown
-
1973
- 1973-08-28 DE DE19732343221 patent/DE2343221A1/de active Pending
- 1973-09-12 FR FR7332778A patent/FR2200478A1/fr active Granted
- 1973-09-13 JP JP48102744A patent/JPS4970624A/ja active Pending
- 1973-09-13 IT IT2888773A patent/IT995352B/it active
- 1973-09-14 BE BE135686A patent/BE804894A/fr unknown
Patent Citations (3)
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 |
JPS4970624A (fr) | 1974-07-09 |
NL7212601A (fr) | 1974-03-19 |
BE804894A (fr) | 1974-03-14 |
FR2200478B1 (fr) | 1977-05-20 |
DE2343221A1 (de) | 1974-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |