Patent Number: 059206039
Section: claims

1. A core plate for a boiling water nuclear reactor, said core plate comprising a plurality of penetrations therein, each of said penetrations comprising a through hole and a plurality of blind holes. 2. A core plate in accordance with claim 1 wherein said core plate is fabricated from a single piece stainless steel forging. 3. A core plate in accordance with claim 1 wherein said plate has a substantially circular shape. 4. A core plate in accordance with claim 1 wherein said through hole has a smaller diameter at a top surface of said plate as compared to said through hole diameter at a bottom surface of said plate. 5. A core plate in accordance with claim 1 wherein said through hole is enlarged at a bottom surface of said plate. 6. A core plate in accordance with claim 1 wherein said penetration comprises four blind holes. 7. A core plate in accordance with claim 1 wherein said blind holes do not extend completely through said plate . 8. A core plate in accordance with claim 1 wherein a thickness of said core plate is selected to carry vertical loads. 9. A core plate for a boiling water nuclear reactor, said core plate comprising a plurality of penetrations therein, each of said penetrations comprising a through hole and four blind holes, said through hole enlarged at a bottom surface of said plate. 10. A core plate in accordance with claim 9 wherein said core plate is fabricated from a single piece stainless steel forging. 11. A core plate in accordance with claim 9 wherein said plate has a substantially circular shape. 12. A core plate in accordance with claim 9 wherein said through hole has a smaller diameter at a top surface of said plate as compared to said through hole diameter at a bottom surface of said plate. 13. A core plate in accordance with claim 9 wherein said blind holes do not extend completely through said plate. 14. A core plate in accordance with claim 9 wherein a thickness of said core plate is selected to carry vertical loads.