Patent · US Expired

Rotary drum filter

US4308143A · kind A · utility

3Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 1980
Grant dateDec 29, 1981
Priority date
Expiry dateDec 8, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D33/073
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A rotary drum filter apparatus comprising a rotary drum, a plurality of axial, parallel slots spaced circumferentially around the drum, a filter cloth positioned peripherally around the drum and portions thereof extending into each of the axial slots, flexible metal means inserted into each of the slots over the portion of the filter cloth extending into the slots and caulking means for holding each of the metal means and each of said portions of said filter cloth in a locked position in their respective axial slots. The metal means may comprise a stranded metal cable wherein caulking means are unnecessary.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.