Liquid dispensing bag and quantitative chamber forming jig for liquid dispensing device
US5791521A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1996 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Jun 11, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A liquid dispensing bag includes a bag body portion having a surface wall and a back wall formed of a flexible material having high gas barrier properties, and an elongated spout portion in which the surface wall and said back wall are projected in an elongated manner from a lower portion of the bag body portion. A flowpassage division area has the surface wall and the back wall welded integrally to divide a flowpassage toward the lower portion of the bag body portion. The flow passage division area is formed at a position close to the lower portion from the center of the bag body portion. The flowpassage division area is provided upwardly thereof with a pressure regulating area in which the surface wall and the back wall are welded. The flowpassage division area is formed in the central portion with a central flowpassage. Contact preventive portions for preventing contact between the surface wall and the back wall are formed in the vicinity of the central flowpassage or in the vicinity of the elongated spout portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.