Viscous liquid dispensing container
US5071039A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 16, 1990 |
| Grant date | Dec 10, 1991 |
| Priority date | — |
| Expiry date | Mar 16, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67D7/0222
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
There is disclosed a squeeze-container for dispensing a viscous liquid comprising a reservoir for holding the liquid (at least a part of the reservoir being resiliently squeezable), a measuring channel for measuring therein a quantity of the liquid to be dispensed, a spout in communication with an upper part of the channel, and an air trap including an air chamber, the air trap being in communication with a lower end of the channel and with substantially the bottom of the reservoir. The air trap is able in use to release an air bubble from the chamber into the lower end and to replenish the chamber with air. In this way, the quantity of liquid may be dispensed by squeezing the part of the reservoir to substantially fill the channel, causing the air trap to release the bubble, further squeezing to commence a flow of the liquid in the channel entraining the bubble until the bubble is released at the spout, releasing the container so that the chamber is replenished by air filling the channel and the air trap as the air enters the reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.