Flexible dip tube filter with weight
US6833072B1 · kind B1 · utility
26Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2003 |
| Grant date | Dec 21, 2004 |
| Priority date | — |
| Expiry date | Oct 31, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1057
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A flexible dip tube for a hand held sprayer has a filter element with a projection extending into the distal end of the dib tube for frictionally mounting the filter element thereto, the other end of the filter element extending beyond the distal end and containing filter material in communication with the interior of the tube, and a weight surrounding both the distal end and the projection of the filter element or weighting down the distal end during use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.