Cap with supply stopper for use with containers
US4164307A · kind A · utility
13Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1977 |
| Grant date | Aug 14, 1979 |
| Priority date | — |
| Expiry date | Apr 25, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D47/06
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A cap with a supply stopper for use with ordinary containers comprising a detachable double cap, that is, an outer cap and an inner cap which is used as a supply cap having a supply opening and a supply stopper. By an engagement mechanism of the upper cap and the inner cap, when the upper cap is fastened, the supply stopper is firmly pressed against the supply opening so that the leakage of contents in the container during storage or transportation is completely prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.