Countergravity casting apparatus
US4828011A · kind A · utility
7Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1988 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Jun 24, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D18/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Immersion-type vacuum countergravity casting apparatus having a vacuum chamber including spring means for pressing the mold portions sealingly together and/or resisting destructive inward flexure of the mold. A split vacuum chamber, including a floating lower skirt portion, avoids the creation of stress concentration sites between the chamber and the mold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.