BE415749A - - Google Patents
Info
- Publication number
- BE415749A BE415749A BE415749DA BE415749A BE 415749 A BE415749 A BE 415749A BE 415749D A BE415749D A BE 415749DA BE 415749 A BE415749 A BE 415749A
- Authority
- BE
- Belgium
- Prior art keywords
- tube
- specified
- mercury
- air
- warning device
- Prior art date
Links
- 239000003570 air Substances 0.000 claims description 14
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 11
- 229910052753 mercury Inorganic materials 0.000 claims description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 239000008188 pellet Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 229910001369 Brass Inorganic materials 0.000 claims description 5
- 239000010951 brass Substances 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 241000506680 Haemulon melanurum Species 0.000 claims description 2
- 239000012080 ambient air Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/28—Switches having at least one liquid contact with level of surface of contact liquid displaced by fluid pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fire-Detection Mechanisms (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE415749A true BE415749A (enrdf_load_stackoverflow) |
Family
ID=78821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE415749D BE415749A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE415749A (enrdf_load_stackoverflow) |
-
0
- BE BE415749D patent/BE415749A/fr unknown
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