Non-spill bottle cap used with water dispensers
US5370270A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 1993 |
| Grant date | Dec 6, 1994 |
| Priority date | — |
| Expiry date | Jun 16, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2401/25
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A cap composed of a snap-on, tamper-evident closure differing from others of this general type is formed with a central sleeve. The bottom of the sleeve is closed off by a removable plug. The exterior of the closure is formed with a bead. The water dispenser is provided with an adapter consisting of an open-bottom outer sleeve into which the neck of the container with the closure in place thereon fits. Centrally disposed in the outer sleeve is a dispenser tube. When the container is inverted its neck is inserted in the outer tube. As the neck and cap are lowered, the dispenser tube enters the cap sleeve and attaches to the plug. Continued lowering of the container causes the plug to slide out of the tube so that liquid in the container flows out through the dispenser tube into the dispenser. When the container is lifted, the plug (which has been attached to the dispenser tube) is pulled back into its original sealed position. The plug and cup are at all times discrete. At least portions of the exterior of the skirt of the plug and a bead on the inside of the well near its bottom edge are also seamless. The portions are seamless in the sense of absence of vertical mold parting flash…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.