JPH0422831Y2 - - Google Patents
Info
- Publication number
- JPH0422831Y2 JPH0422831Y2 JP7658986U JP7658986U JPH0422831Y2 JP H0422831 Y2 JPH0422831 Y2 JP H0422831Y2 JP 7658986 U JP7658986 U JP 7658986U JP 7658986 U JP7658986 U JP 7658986U JP H0422831 Y2 JPH0422831 Y2 JP H0422831Y2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- furnace
- tube
- sample
- thin tube
- 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
- 239000007789 gas Substances 0.000 claims description 69
- 238000010438 heat treatment Methods 0.000 claims description 20
- 230000005484 gravity Effects 0.000 claims description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 238000005121 nitriding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
- Glass Melting And Manufacturing (AREA)
- Glass Compositions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7658986U JPH0422831Y2 (cs) | 1986-05-21 | 1986-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7658986U JPH0422831Y2 (cs) | 1986-05-21 | 1986-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62187625U JPS62187625U (cs) | 1987-11-28 |
| JPH0422831Y2 true JPH0422831Y2 (cs) | 1992-05-26 |
Family
ID=30923808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7658986U Expired JPH0422831Y2 (cs) | 1986-05-21 | 1986-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0422831Y2 (cs) |
-
1986
- 1986-05-21 JP JP7658986U patent/JPH0422831Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62187625U (cs) | 1987-11-28 |
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