Method and apparatus for filling cavities
US5187921A · kind A · utility
24Cited by
23References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1991 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Sep 3, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B55/24
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method and apparatus are described for filling a blind cavity, for example a blister of a blister pack, with a quantity of powder. The cavity, with its open side downwards, is urged into a reservoir (30) of powder, and withdrawn from the reservoir with the quantity of powder therein. An elongate sheet (12) with a plurality of blisters disposed along the length thereof preferably passes around, and travels with, a wheel (38) partially immersed in the reservoir (30) of powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.