Ceramic shell molding apparatus and methods
US4340107A · kind A · utility
5Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 20, 1978 |
| Grant date | Jul 20, 1982 |
| Priority date | — |
| Expiry date | Apr 20, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C9/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Method and apparatus for producing ceramic shell molds characterized in that a plurality of pattern set-ups are arranged with their longitudinal axes transverse to an axis of rotation and are rotated as a group while applying fluent refractory material to produce either a multiple number of molds or a single mold. A ceramic shell mold characterized by a main sprue passage, a plurality of transverse sprue passages extending therefrom, and casting cavities gated into the transverse passages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.