Container for fluidal materials readily collapsible to flattened shape after use
US5960993A · kind A · utility
8Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1998 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | Feb 2, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D33/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A container for fluidal materials, including a bag member made of a flexible film material originally constructed in a flattened shape with some foldings, a port member mounted to the bag member at its longitudinal end, and a plate member mounted over the bag member as originally constructed in a flattened annular sheet member made of a relatively stiff and elastic sheet material such as a cardboard, wherein the plate member is expanded into a tubular shape when the bag member is charged with a fluidal material but is readily flattened for disposal after the fluidal material has been discharged from the bag member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.