Hopper valve for extrusion-based additive manufacturing systems, and methods of use thereof
US8955558B2 · kind B2 · utility
37Cited by
30References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2012 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Mar 19, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y30/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A hopper valve for transferring particles from a supply container to a hopper, the hopper valve comprising a valve body coupled to the supply container, a fill tube moveably coupled to the valve body, and a foot member moveably coupled to the fill tube and configured to engage the hopper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.