Use of liquid metal filters in forming matrix drill bits
US8656983B2 · kind B2 · utility
1Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2011 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | Nov 21, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F5/007
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Of the many embodiments provided, one embodiment is a drill bit mold assembly comprising: a mold having a bottom and at least one side; a core centrally disposed within the mold; and a filter disposed above the bottom of the mold and within a space formed between the at least one side of the mold and the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.