Automatically-venting dispensing cap
US5871127A · kind A · utility
1Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1997 |
| Grant date | Feb 16, 1999 |
| Priority date | — |
| Expiry date | Apr 4, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/0008
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dispensing cap including a rotary valve communicating with an external open-ended dispensing tube portion, the valve being configured to communicate, in a venting position, with a venting pathway and to communicate, in a dispensing position, with an internal dispensing tube portion, wherein the valve is configured to pass from a closed position through a venting position to a dispensing position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.