BE352483A - - Google Patents
Info
- Publication number
- BE352483A BE352483A BE352483DA BE352483A BE 352483 A BE352483 A BE 352483A BE 352483D A BE352483D A BE 352483DA BE 352483 A BE352483 A BE 352483A
- Authority
- BE
- Belgium
- Prior art keywords
- bulb
- glass
- ring
- mine
- contact
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 claims description 5
- 210000004013 groin Anatomy 0.000 claims 1
- 239000011521 glass Substances 0.000 description 17
- 239000002360 explosive Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L2/00—Systems of electric lighting devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE352483A true BE352483A (https=) |
Family
ID=27239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE352483D BE352483A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE352483A (https=) |
-
0
- BE BE352483D patent/BE352483A/fr unknown
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