| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c72d118f5664072de841f9c5c34b9d99
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a000b853df977c529d407743a2f08296 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C30B29-52
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C30B11-003
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C30B11-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C30B11-00 |
| filingDate |
1998-09-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2003-05-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e9d3f6968a89000256633e039d080e44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0a388c4b26a9b74ddfb62b420313b4e9
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6ab4c304f09c61aa71f05d3671ceb67f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_184c02d3f989f24b39e10169e48f96ac |
| publicationDate |
2003-05-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-6557618-B1 |
| titleOfInvention |
Apparatus and method for producing castings with directional and single crystal structure and the article according to the method |
| abstract |
The present invention relates to metal casting and can be used in producing large sized blades with directional and single crystal structure having large horizontal shoulders. The apparatus comprises a vacuum chamber inside which there is positioned a mold preheating furnace with a ceramic mold and a vertical shield disposed therein, and a crystallizer. The shield is positioned concentrically to the casting vertical axis and is fixed on the mold upper portion or on a hanger. The shield can be made integral or as a row of members having projecting flanges which telescopically insert into each other. The shield is made of a graphitized foil or a carbon/carbon based composite material. The disclosed apparatus allows to decrease the role of the radial component of the thermal gradient in the process of directional solidification of the blades having large horizontal shoulders, to increase the degree of structural perfection along the complete height of a casting and to avoid porosity in the transition portion between a shroud and an airfoil. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009126893-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009126894-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2005196268-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7871247-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009297359-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105543952-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2008257517-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7338259-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2013143173-A1 |
| priorityDate |
1997-09-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |