Internal tear seal dual bag
US5209347A · kind A · utility
84Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1990 |
| Grant date | May 11, 1993 |
| Priority date | — |
| Expiry date | Dec 5, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61J1/2027
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A W-shaped frangible seal line separating at least two chambers in a container or securing together two sheets of material. Outer legs of the W-shape preferably describe an angle of 170.degree. or less. Inner legs of the W-shape preferably describe an upside down chevron or V-shape that describes an acute angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.