Volume-variable container for fluids
US4674655A · kind A · utility
10Cited by
8References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1985 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Nov 21, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61J2200/76
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A variable-volume container for fluids that is formed of a body portion and two end portions. The body portion comprises four rigid walls with each wall being joined to the next adjacent wall by a longitudinal fold line to permit collapsing of the container. The end portions of the container, each comprise, four sets of two triangular portions joined at fold lines to one another and to the walls of the body portion to permit the container to collapse without mechanical strain and substantial longitudinal motion of the end portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.