ZA721733B - Laser apparatus for use in workings where there is a danger of fire-damp and explosion - Google Patents
Laser apparatus for use in workings where there is a danger of fire-damp and explosionInfo
- Publication number
- ZA721733B ZA721733B ZA721733A ZA721733A ZA721733B ZA 721733 B ZA721733 B ZA 721733B ZA 721733 A ZA721733 A ZA 721733A ZA 721733 A ZA721733 A ZA 721733A ZA 721733 B ZA721733 B ZA 721733B
- Authority
- ZA
- South Africa
- Prior art keywords
- workings
- damp
- explosion
- danger
- fire
- Prior art date
Links
- 238000004880 explosion Methods 0.000 title 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title 1
- 230000003245 working effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Laser Beam Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2114449A DE2114449C3 (de) | 1971-03-25 | 1971-03-25 | Lasergerät für den Einsatz in Schlagwetter- oder explosionsgefährdeten Betrieben |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA721733B true ZA721733B (en) | 1972-12-27 |
Family
ID=5802707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA721733A ZA721733B (en) | 1971-03-25 | 1972-03-14 | Laser apparatus for use in workings where there is a danger of fire-damp and explosion |
Country Status (6)
Country | Link |
---|---|
US (1) | US3771067A (de) |
BE (1) | BE781128A (de) |
DE (1) | DE2114449C3 (de) |
FR (1) | FR2130607B1 (de) |
GB (1) | GB1368888A (de) |
ZA (1) | ZA721733B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4612648A (en) * | 1985-01-17 | 1986-09-16 | Continental Laser Corporation | Modular gas laser end assembly |
US5168393A (en) * | 1986-09-02 | 1992-12-01 | United States Department Of Energy | Copper vapor laser modular packaging assembly |
DE102015223362A1 (de) * | 2015-11-25 | 2017-06-01 | Minimax Gmbh & Co. Kg | Explosionsgeschütztes Gehäuse für Mittel zum Senden und Empfangen elektromagnetischer Strahlung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3628175A (en) * | 1963-11-29 | 1971-12-14 | Perkin Elmer Corp | Optical maser having concentric reservoirs and cylindrical resonator |
US3361989A (en) * | 1964-03-09 | 1968-01-02 | Air Force Usa | Solid state optical laser |
GB1245607A (en) * | 1968-12-18 | 1971-09-08 | Elliott Brothers London Ltd | Improvements relating to lasers |
-
1971
- 1971-03-25 DE DE2114449A patent/DE2114449C3/de not_active Expired
-
1972
- 1972-03-14 ZA ZA721733A patent/ZA721733B/xx unknown
- 1972-03-16 GB GB1244372A patent/GB1368888A/en not_active Expired
- 1972-03-23 FR FR7210218A patent/FR2130607B1/fr not_active Expired
- 1972-03-23 BE BE781128A patent/BE781128A/xx not_active IP Right Cessation
- 1972-03-24 US US3771067D patent/US3771067A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2114449A1 (de) | 1972-09-28 |
DE2114449C3 (de) | 1978-10-05 |
GB1368888A (en) | 1974-10-02 |
BE781128A (fr) | 1972-07-17 |
FR2130607B1 (de) | 1978-09-29 |
US3771067A (en) | 1973-11-06 |
DE2114449B2 (de) | 1978-02-02 |
FR2130607A1 (de) | 1972-11-03 |
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