FR2276154A1 - Mould for casting hollow refractories - contg. collapsible core with inner reinforcement to delay but not eliminate collapse - Google Patents
Mould for casting hollow refractories - contg. collapsible core with inner reinforcement to delay but not eliminate collapseInfo
- Publication number
- FR2276154A1 FR2276154A1 FR7519536A FR7519536A FR2276154A1 FR 2276154 A1 FR2276154 A1 FR 2276154A1 FR 7519536 A FR7519536 A FR 7519536A FR 7519536 A FR7519536 A FR 7519536A FR 2276154 A1 FR2276154 A1 FR 2276154A1
- Authority
- FR
- France
- Prior art keywords
- core
- mould
- insert
- contg
- delay
- 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.)
- Withdrawn
Links
- 238000005266 casting Methods 0.000 title abstract 3
- 239000011819 refractory material Substances 0.000 title abstract 2
- 230000002787 reinforcement Effects 0.000 title 1
- 239000000155 melt Substances 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000008602 contraction Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/54—Producing shaped prefabricated articles from the material specially adapted for producing articles from molten material, e.g. slag refractory ceramic materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/653—Processes involving a melting step
- C04B35/657—Processes involving a melting step for manufacturing refractories
Abstract
Mould for mfg. castings of refractory material, contains a core which is compressed or collapses due to the shrinkage of the melt during cooling. The core contains a clearance hole for an insert which is located at a predetermined distance from the inner wall of the hole; when the mould is filled, the insert initially prevents the core from shrinking inwards due to the presence of the melt but it does not hinder the subsequent compression and/or collapse of the core during the solidification and contraction of the casting, and thus tensile stresses leading to the formation of fissures are avoided. Both the core and the insert are pref. tapered and fit into recesses in the mould walls. Used for the mfr. of hollow refractory parts, e.g. for blast-furnaces mfg. steel, or melting furnaces. The core retains its shape long enough to provide an accurate hole but then collapses so tensile stresses are not generated round the core.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48232874A | 1974-06-24 | 1974-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2276154A1 true FR2276154A1 (en) | 1976-01-23 |
Family
ID=23915620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7519536A Withdrawn FR2276154A1 (en) | 1974-06-24 | 1975-06-23 | Mould for casting hollow refractories - contg. collapsible core with inner reinforcement to delay but not eliminate collapse |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5123507A (en) |
| DE (1) | DE2525233A1 (en) |
| FR (1) | FR2276154A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI113181B (en) | 2001-08-17 | 2004-03-15 | Orion Yhtymae Oyj | Medium support tray |
| CN103386768B (en) * | 2013-08-22 | 2015-09-09 | 宁波市科技园区绿牌软包装技术贸易有限公司 | The automatic block obtaining maching structure of house refuse briquetting machine |
-
1975
- 1975-06-06 DE DE19752525233 patent/DE2525233A1/en active Pending
- 1975-06-20 JP JP50075431A patent/JPS5123507A/ja active Pending
- 1975-06-23 FR FR7519536A patent/FR2276154A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2525233A1 (en) | 1976-01-15 |
| JPS5123507A (en) | 1976-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2276154A1 (en) | Mould for casting hollow refractories - contg. collapsible core with inner reinforcement to delay but not eliminate collapse | |
| FR2444245A1 (en) | Metallurgical furnace wall unit prodn. process - shapes heat-resistant material into mould wall for cast metal cooling block | |
| ES8100926A1 (en) | Sectional ingot mold. | |
| US3171169A (en) | Apparatus and method for the production of mold inserts | |
| US3404724A (en) | Method of casting in a shell molding | |
| FR2172472A5 (en) | Quartzite based refractory - contg phosphate additives for raminable dinings | |
| JPS6013015A (en) | Device for blowing refining agent to vessel for molten metal | |
| US2367148A (en) | Continuous casting | |
| US1042092A (en) | Art of casting steel. | |
| ES446882A1 (en) | Tip for foundry core blast pipe | |
| JPS558321A (en) | Repair method of steel ingot casting mold and molding board | |
| GB1319589A (en) | Manufacture of concrete members | |
| GB1199673A (en) | Method of Casting a Light Metal | |
| US4250947A (en) | Gas concrete mold runner and method of use | |
| SU942875A1 (en) | Mould for centrifugal casting of tubes | |
| SU85965A1 (en) | Bimetallic mold | |
| JPS5639163A (en) | Production of steel ingot | |
| JPS5570462A (en) | Precision casting method and precision casting device | |
| GB1465918A (en) | Method of manufacturing a plastics clad concrete block for radioactive protection | |
| JPH0788627A (en) | Mold pouring tube | |
| SU450637A1 (en) | Metal rod melted | |
| JPS5614049A (en) | High-temperature shrinkable mold | |
| US2039453A (en) | Bottom-casting hollow ingots | |
| SU716701A1 (en) | Method of making hollow casting | |
| JPS6057416B2 (en) | Casting method for double-flanked pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |