Easily openable sealed container
US4907722A · kind A · utility
22Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1988 |
| Grant date | Mar 13, 1990 |
| Priority date | — |
| Expiry date | Mar 2, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67B7/28
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An easily openable sealed container comprising a rectangular parallelepipedal main body and a caplike reinforcing cover fitted over the top end of the main body. The top wall of the main body is provided with an opening forming thin wall portion. The cover has a top wall provided with an aperture opposed to the thin wall portion and an externally threaded spout projecting upward from the aperture-defining edge portion of the wall. A cap nut screwed on the spout has integral therewith a cutter for cutting the thin wall portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.