Material dispenser having a positive shutoff mechanism
US7316335B2 · kind B2 · utility
2Cited by
13References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2004 |
| Grant date | Jan 8, 2008 |
| Priority date | — |
| Expiry date | Feb 16, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F2101/36
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A replaceable auger assembly includes a body having at least one material inlet defined therein and an auger disposed within the body. The auger includes a helical portion disposed about a shaft portion and a positive shutoff mechanism. The positive shutoff mechanism is configured to selectively close the material inlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.