Composite powder filling method and composite powder filling device, and composite powder molding method and composite powder molding device
US7175404B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 27, 2002 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Jul 18, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2999/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention is an apparatus for filling a multi-powder including a powder box (10) including a plurality of powder chambers storing a plurality of powders whose constituent compositions differ in a divided manner, and a gas feed pipe (14) disposed on the bottom side of the powder chamber and having an introducing hole for introducing a gas, wherein it can fill a plurality of the powders into a cavity (24) at once through the bottom openings of the powder box by introducing a gas through the introducing hole to substantially equalize the respective flow resistances of a plurality of the powders. Thus, it is possible to fill the powders whose constituent compositions differ at once without disposing them in a mixed manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.