GB1263037A - Photo-flash lamp - Google Patents
Photo-flash lampInfo
- Publication number
- GB1263037A GB1263037A GB3580670A GB3580670A GB1263037A GB 1263037 A GB1263037 A GB 1263037A GB 3580670 A GB3580670 A GB 3580670A GB 3580670 A GB3580670 A GB 3580670A GB 1263037 A GB1263037 A GB 1263037A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- capsule
- metal
- flash
- bulb
- 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
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)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Cosmetics (AREA)
Abstract
1,263,037. Flash-bulbs. PATENT-TREUHAND-GES FUR ELEKTRISCHE GLœHLAMPEN m.b.H. July 23, 1970 [July 31, 1969], No.35806/70. Heading G2L. In a flash-bulb of the percussibly ignitable type the priming substance 6 in the metal tube 4 protruding from and in communication with the interior of the bulb 1 is enclosed in a capsule 5 so that it may be more easily handled during manufacture. Such a capsule may comprise a cylindrical plastics or metal sleeve closed at one end and having a stopper at the other end, Fig. 2 (not shown). To retain the capsule in position in the tube it may be provided with a lug which jams in the tube or it may be stuck in the tube by adhesive. Otherwise it is retained in position by constrictions in the metal tube, Fig. 4 (not shown). In a further embodiment for use with a single firing pin, Fig. 3 (not shown), a central steel anvil is provided in the capsule, this anvil being covered with the priming substance and an outer wrapping of paper, plastics or metal closed at one end and having a stopper at the other end.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691939070 DE1939070C3 (en) | 1969-07-31 | 1969-07-31 | Flashlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1263037A true GB1263037A (en) | 1972-02-09 |
Family
ID=5741554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3580670A Expired GB1263037A (en) | 1969-07-31 | 1970-07-23 | Photo-flash lamp |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1939070C3 (en) |
| GB (1) | GB1263037A (en) |
-
1969
- 1969-07-31 DE DE19691939070 patent/DE1939070C3/en not_active Expired
-
1970
- 1970-07-23 GB GB3580670A patent/GB1263037A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1939070A1 (en) | 1971-02-25 |
| DE1939070B2 (en) | 1978-02-23 |
| DE1939070C3 (en) | 1978-11-02 |
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