360 degree valve for atomizing pump dispenser
US4942985A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 2, 1989 |
| Grant date | Jul 24, 1990 |
| Priority date | — |
| Expiry date | Feb 2, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/0059
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A 360.degree. valve body for use with a dispenser includes a lower section of generally cylindrical shape containing therein a central first bore for accepting a dip tube and a top, an upper section of generally cylindrical shape but of smaller diameter than the first section extending from the top, with the upper section having a central second bore therein, the first bore and second bore having a common axis, with the upper section adapted to be inserted into a dispenser. A third bore is formed in the top of the bottom part adjacent the upper section and extends to first bore in the lower section and has therein a seat for a ball check valve. An arcuate recess formed in a portion of said upper part adjacent opening is used for guiding a ball at one point and first and second posts, each having an arcuate inner surface, spaced from each other and the arcuate cutout are used for guiding said ball at two other points.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.