Flexible, inwardly foldable container for a liquid or a paste to be dispensed without ingress of air, and a method of manufacture
US5337923A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1991 |
| Grant date | Aug 16, 1994 |
| Priority date | — |
| Expiry date | Jun 26, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1061
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device for containing a liquid or a paste for dispensing without ingress of air comprises a flexible container containing the substance to be dispensed and a carrier 20. The container is inserted inside the carrier, and the container is constituted by a peripheral side wall 4 extending between a bottom 3 and a top having a bottleneck 2 opening out therethrough. The carrier provided with at least two facing longitudinal ribs 21, the ribs constraining the side wall, the bottom, and the top of the container to fold concertina-like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.