Powder filling method and powder filling device
US5711353A · kind A · utility
24Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 1996 |
| Grant date | Jan 27, 1998 |
| Priority date | — |
| Expiry date | Jan 19, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B1/26
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A powder filling method and a powder filling device for filling a powder such as toner, chemical, cosmetics or food material in a powder container efficiently at a high density includes the steps of inserting an air aspirating pipe in a powder filled in a powder container, aspirating air in the powder through the air aspirating pipe, and moving one end of the air aspirating pipe from a bottom portion to a top portion of the powder container, corresponding to an amount of the powder filled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.