Powdery mold coating agent supply device
US6959843B2 · kind B2 · utility
6Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 26, 2001 |
| Grant date | Nov 1, 2005 |
| Priority date | — |
| Expiry date | Jul 1, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D17/2007
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A powdery mold coating agent supply device includes a tank having at its lower portion a discharge port, the tank storing therein an amount of powdery mold coating agent, a supply, tube connected at its upper end portion to the discharge port and extending downwardly along a vertical line, a first open/close device provided in an upper side of the supply tube for the opening/closing thereof, and a second open/close device provided in a lower side of the supply tube for opening/closing the supply tube and placed away from the first open/close device by a predetermined distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.