Vacuum fill system
US5234037A · kind A · utility
22Cited by
31References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 28, 1992 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Apr 28, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B1/26
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A vacuum fill system for deaerating flowable materials includes a hollow, cylindrical container connected to a plurality of valves, slide gate valves and a vacuum pump for creating a vacuum when filled with flowable materials that causes the flowable materials to deaerate and subsequently compact when atmospheric pressure is restored.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.