Cap assembly for a container
US5875941A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 25, 1997 |
| Grant date | Mar 2, 1999 |
| Priority date | — |
| Expiry date | Feb 25, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J41/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cap assembly includes a valve seat member having a tubular outer wall adapted to be mounted on an open top end of a container, and an inner tube disposed in the outer wall and having an axis parallel to an axis of the outer wall. The inner tube has a bottom end formed with an aperture. The outer wall is formed with a radial outlet. The valve seat member further has an L-shaped fluid conduit with an open bottom end that is adapted to communicate an interior of the container with the radial outlet. A stem member extends upwardly through the inner tube via the aperture and has a bottom end provided with a valve piece. The stem member is biased such that the valve piece seals the open bottom end of the fluid conduit. A cap body has a top portion formed with an opening, and a peripheral portion mounted on a top end of the outer wall of the valve seat member. A press member has an operating portion extending upwardly and slidably through the opening and a pressing portion abutting against a top end of the stem member. The stem member is movable downwardly such that the valve piece is moved away from the open bottom end of the fluid conduit when the operating portion of the press member…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.