DE2506288C2 - Ofen, insbesondere Sinterofen - Google Patents
Ofen, insbesondere SinterofenInfo
- Publication number
- DE2506288C2 DE2506288C2 DE19752506288 DE2506288A DE2506288C2 DE 2506288 C2 DE2506288 C2 DE 2506288C2 DE 19752506288 DE19752506288 DE 19752506288 DE 2506288 A DE2506288 A DE 2506288A DE 2506288 C2 DE2506288 C2 DE 2506288C2
- Authority
- DE
- Germany
- Prior art keywords
- workpieces
- sintering
- furnace
- inlet
- outlet
- 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
- 238000005245 sintering Methods 0.000 title claims description 93
- 239000012535 impurity Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000012255 powdered metal Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 75
- 230000001681 protective effect Effects 0.000 description 29
- 238000001816 cooling Methods 0.000 description 19
- 229910052715 tantalum Inorganic materials 0.000 description 12
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 12
- 238000011109 contamination Methods 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 7
- 239000000356 contaminant Substances 0.000 description 7
- 230000002411 adverse Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining or circulating atmospheres in heating chambers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
- F27B9/045—Furnaces with controlled atmosphere
- F27B9/047—Furnaces with controlled atmosphere the atmosphere consisting of protective gases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Tunnel Furnaces (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44302374A | 1974-02-15 | 1974-02-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2506288A1 DE2506288A1 (de) | 1975-08-21 |
| DE2506288C2 true DE2506288C2 (de) | 1982-12-30 |
Family
ID=23759120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752506288 Expired DE2506288C2 (de) | 1974-02-15 | 1975-02-14 | Ofen, insbesondere Sinterofen |
Country Status (5)
| Country | Link |
|---|---|
| BR (1) | BR7500246A (hu) |
| DE (1) | DE2506288C2 (hu) |
| FR (1) | FR2261492B3 (hu) |
| GB (1) | GB1503563A (hu) |
| NL (1) | NL7501605A (hu) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2244688A (en) * | 1990-06-08 | 1991-12-11 | Kevin Oswald Laidler | Endless conveyors |
| GB2368629A (en) * | 2000-09-08 | 2002-05-08 | Paul James Morton | An industrial oven |
-
1975
- 1975-01-14 BR BR7500246A patent/BR7500246A/pt unknown
- 1975-01-28 FR FR7502571A patent/FR2261492B3/fr not_active Expired
- 1975-02-11 NL NL7501605A patent/NL7501605A/xx not_active Application Discontinuation
- 1975-02-14 GB GB638175A patent/GB1503563A/en not_active Expired
- 1975-02-14 DE DE19752506288 patent/DE2506288C2/de not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Also Published As
| Publication number | Publication date |
|---|---|
| BR7500246A (pt) | 1975-12-09 |
| NL7501605A (nl) | 1975-08-19 |
| GB1503563A (en) | 1978-03-15 |
| FR2261492A1 (hu) | 1975-09-12 |
| DE2506288A1 (de) | 1975-08-21 |
| FR2261492B3 (hu) | 1977-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: F27B 17/02 |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8331 | Complete revocation |