FR359430A - Lampe à vapeur de mercure - Google Patents
Lampe à vapeur de mercureInfo
- Publication number
- FR359430A FR359430A FR359430DA FR359430A FR 359430 A FR359430 A FR 359430A FR 359430D A FR359430D A FR 359430DA FR 359430 A FR359430 A FR 359430A
- Authority
- FR
- France
- Prior art keywords
- mercury vapor
- vapor lamp
- lamp
- mercury
- vapor
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0072—Disassembly or repair of discharge tubes
- H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
- H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
- H01J2893/0087—Igniting means; Cathode spot maintaining or extinguishing means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB359430X | 1904-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR359430A true FR359430A (fr) | 1906-03-26 |
Family
ID=10383235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR359430D Expired FR359430A (fr) | 1904-12-14 | 1905-11-14 | Lampe à vapeur de mercure |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE359430C (fr) |
FR (1) | FR359430A (fr) |
-
1905
- 1905-11-14 FR FR359430D patent/FR359430A/fr not_active Expired
-
1919
- 1919-11-08 DE DER48761D patent/DE359430C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE359430C (de) | 1922-09-22 |
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