Bag for dispensing fluid material and a dispenser having the bag
US5697525A · kind A · utility
28Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 1995 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Jul 31, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F11/088
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A bag (44) for dispensing fluid material (48), comprising a storage portion (50), a dispensing portion (52), a first non-return valve (54) for controlling the passage of the fluid material (48) between the storage portion (50) and the dispensing portion (52), and a second non-return valve (56) for controlling the dispensation of the fluid material (48) from the dispensing portion (52). The first and the second non-return valves (54, 56) have flaps of material formed by sealing during formation of the bag (44). A dispenser (46) containing the bag (44) is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.