Container and cover
US10260925B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 10, 2016 |
| Grant date | Apr 16, 2019 |
| Priority date | — |
| Expiry date | Jun 10, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F15/005
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided is a container, which comprises a container body and a cover and further comprises a variable-pressure component, a metering channel, a liquid extraction channel and an outflow channel. The head of the metering channel is in communication with the variable-pressure component, and the tail thereof is in communication with the outflow channel and the liquid extraction channel. A valve, which is opened when the variable-pressure component is pressurized and is closed when the variable-pressure component is depressurized, is provided between the metering channel and the outflow channel. A valve, which is opened when the variable-pressure component is depressurized and is closed when the variable-pressure component is pressurized, is provided between the metering channel and the liquid extraction channel or within the liquid extraction channel. The metering channel, the liquid extraction channel and the outflow channel are fixed to the cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.