Liquid storage bag
US7597691B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 23, 2001 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | Apr 17, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61J1/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A liquid storage bag having a partition wall allowed to be peeled easily and not peeled by an accidental drop, etc. The liquid storage bag is one wherein the upper part thereof is closed with a freely and closable zipper, the bottom thereof is provided with a liquid outlet, and an easily peelable partition wall (a weak seal part) is provided close to the zipper. The internal space of the liquid storage bag is divided liquid-tightly into upper and lower parts through this weak seal part, liquid is stored in the lower part of the internal space (liquid storage chamber), and the weak seal part is formed in outside-convex form at a center and increased in width at both end parts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.