Closure having vent means for liquids under pressure
US4205759A · kind A · utility
2Cited by
4References
2Claims
0Family size
Inventor
Key dates
| Filing date | Aug 28, 1978 |
| Grant date | Jun 3, 1980 |
| Priority date | — |
| Expiry date | Aug 28, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D17/4012
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A piece of porous foil larger than the removable portion of the lid of a can is connected to the under surface of the removable lid portion and overlaps the edges defining the can opening on the interior surface of the lid, whereby liquid is prevented from spurting out of the can with escaping gas upon initial partial opening of the removable portion, and the piece of porous foil is fully removable with the removable lid portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.