Filter support
US5221475A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1991 |
| Grant date | Jun 22, 1993 |
| Priority date | — |
| Expiry date | Aug 6, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D29/27
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A strainer assembly for straining a liquid, such as paint, to be poured into a container includes a tubular strainer support having a continuous imperforate side wall structure with an open top, an open bottom, and an annular exterior flange for removably resting on the open top of the container for holding the strainer support in an upright position above the container. A filter medium, such as a mesh filtering cloth, is secured to the top of the support for holding it in the interior of the support above the container. Paint is poured through the filtering cloth to filter the paint before it passes into the container. In one embodiment, the strainer support includes an annular ridge recessed in the exterior side wall of the support adjacent the open top of the support to provide a second means for mounting the strainer support in an inverted position over a smaller-sized container. A further embodiment comprises a molded plastic support with integrally molded clips that can be broken off and used to hold the filter cloth in place. In a further embodiment, the strainer support is of stackable configuration in which an annular shoulder projecting into the upper interior portion of …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.