Patent · US Expired

Support and holding frame for air filtering elements

US4472184A · kind A · utility

14Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 18, 1983
Grant dateSep 18, 1984
Priority date
Expiry dateMay 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.