FR2470514A1 - Dispositif pour le durcissement des moules de fonderie - Google Patents
Dispositif pour le durcissement des moules de fonderie Download PDFInfo
- Publication number
- FR2470514A1 FR2470514A1 FR8024862A FR8024862A FR2470514A1 FR 2470514 A1 FR2470514 A1 FR 2470514A1 FR 8024862 A FR8024862 A FR 8024862A FR 8024862 A FR8024862 A FR 8024862A FR 2470514 A1 FR2470514 A1 FR 2470514A1
- Authority
- FR
- France
- Prior art keywords
- tube
- heating element
- hardening
- sleeve
- sheath
- 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.)
- Granted
Links
- 238000005485 electric heating Methods 0.000 title 1
- 238000010438 heat treatment Methods 0.000 claims abstract description 66
- 239000004576 sand Substances 0.000 claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000007654 immersion Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 230000008439 repair process Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 15
- 239000004020 conductor Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 230000002269 spontaneous effect Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000003110 molding sand Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/12—Treating moulds or cores, e.g. drying, hardening
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0014—Devices wherein the heating current flows through particular resistances
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792841700A SU1126357A1 (ru) | 1979-11-23 | 1979-11-23 | Устройство дл сушки литейных форм |
| SU2901135 | 1980-03-31 | ||
| SU802927852A SU1156819A2 (en) | 1980-06-09 | 1980-06-09 | Arrangement for dryng a mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2470514A1 true FR2470514A1 (fr) | 1981-05-29 |
| FR2470514B1 FR2470514B1 (https=) | 1984-01-06 |
Family
ID=27356359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8024862A Granted FR2470514A1 (fr) | 1979-11-23 | 1980-11-24 | Dispositif pour le durcissement des moules de fonderie |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2470514A1 (https=) |
| IT (1) | IT1134437B (https=) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR408200A (fr) * | 1909-10-23 | 1910-03-21 | William Zimmermann | Dispositif de chauffage pour moules de fonderies |
| DE527408C (de) * | 1930-09-26 | 1931-06-17 | Aeg | Verfahren und Heizvorrichtung zum Trocknen von Gussformen |
| GB398906A (en) * | 1932-03-24 | 1933-09-25 | Stone J & Co Ltd | Improvements in the drying and heating of moulds for casting metals |
| DE1186985B (de) * | 1961-05-24 | 1965-02-11 | Deutsche Edelstahlwerke Ag | Verfahren und Vorrichtung zum Giessen gratfreier Staebe |
-
1980
- 1980-11-24 FR FR8024862A patent/FR2470514A1/fr active Granted
- 1980-11-24 IT IT26199/80A patent/IT1134437B/it active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR408200A (fr) * | 1909-10-23 | 1910-03-21 | William Zimmermann | Dispositif de chauffage pour moules de fonderies |
| DE527408C (de) * | 1930-09-26 | 1931-06-17 | Aeg | Verfahren und Heizvorrichtung zum Trocknen von Gussformen |
| GB398906A (en) * | 1932-03-24 | 1933-09-25 | Stone J & Co Ltd | Improvements in the drying and heating of moulds for casting metals |
| DE1186985B (de) * | 1961-05-24 | 1965-02-11 | Deutsche Edelstahlwerke Ag | Verfahren und Vorrichtung zum Giessen gratfreier Staebe |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1134437B (it) | 1986-08-13 |
| IT8026199A0 (it) | 1980-11-24 |
| FR2470514B1 (https=) | 1984-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |