Beverage container with self-contained drinking straw
US6000573A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1997 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Dec 17, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2517/0062
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A beverage container has a straw-dispensing mechanism that is disposed within the container to bring the straw into alignment with the orifice in the top of the container. When the orifice is opened, the straw elevates through the orifice to become accessible to the user. In one embodiment, the straw is attached to a buoyant member which urges the straw into contact with a contoured surface on the can lid. In a second embodiment, the straw engages a floating member which is urged against the lid of the container. In a third embodiment, a buoyant member is integrally formed with the straw and is disposed orthogonally within the body of the can. In a fourth embodiment, the floating member includes a surface treated for facilitating the nucleation of CO.sub.2 thereon. In a fifth embodiment, the floating member is provided with a skirt for entrapping a head space gas bubble under the floating member. In a sixth embodiment, the floating member reacts to a change in pressure to disengage from the container wall. In a seventh embodiment, a latch is provided on the floating member for releasing the floating member from engagement with the container walls. In an eighth embodiment, the float…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.