Vacuum casting apparatus
US5383514A · kind A · utility
1Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1993 |
| Grant date | Jan 24, 1995 |
| Priority date | — |
| Expiry date | Jun 7, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D18/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A vacuum casting apparatus includes a molten metal passage for delivering molten metal into a sprue of a casting die encapsulated in a enclosure, a cylindrical stoke for communicating the molten metal passage with a reservoir tank, a stoke connecting member for biasing the stoke to a member on which the molten metal passage is formed, an auxiliary flange positioned around the stoke connecting member and contacting a surface of said enclosure, and a flexible plate member for air tightly closing a space between the stoke connecting member and the auxiliary flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.