Pump with porus ceramic tube
US4091970A · kind A · utility
126Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 1977 |
| Grant date | May 30, 1978 |
| Priority date | — |
| Expiry date | May 11, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D17/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In a pump for use in a hot chamber type die casting machine wherein corrosive molten metal particularly aluminum or alloys thereof is injected into a metal mould through a goose neck shaped passage, a porous ceramic tube having a porosity of 10 to 40% and acting as the goose neck shaped passage is cast in the main body of the pump. The porous ceramic tube comprises sintered zircon or porous graphite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.