Patent · US Expired

Scraped wall agitator

US4274751A · kind A · utility

26Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 26, 1980
Grant dateJun 23, 1981
Priority date
Expiry dateMar 26, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2219/00252
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An agitator wiper for a tubular chemical vessel in which agitation of the vessel contents is achieved by a blade positioned helically around a central rotating shaft and wiping of the vessel walls is achieved by segmented plates positioned along the blade and constructed to provide wiper tips which wipe all portions of the vessel walls.

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