Support and holding frame for air filtering elements
US4472184A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 1983 |
| Grant date | Sep 18, 1984 |
| Priority date | — |
| Expiry date | May 18, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/31
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A support and holding frame for supporting an air filtering element of the type that is of the nonself-supporting type. The invention comprises a frame adapted to hold the filtering element and consists of a three-sided sheet metal box having its upper and lower surfaces provided with bent edges directed toward the inside of the box to serve as flange supports for the filtering element. A pivotal door is provided on one side to permit simple access for insertion and removal of the filtering element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.