Patent · US Expired

Mixer with movable wiper

US5197803A · kind A · utility

6Cited by
11References
19Claims
0Family size

Inventors

Key dates

Filing dateDec 5, 1991
Grant dateMar 30, 1993
Priority date—
Expiry dateDec 5, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01F35/145
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A mixer is mechanically self cleaned without using solvents. A housing defines a mixing chamber with a fluid pressurized mixer head rotatably supported within the housing. The mixer head has retractable mixing paddles. A wiper scrubs material from the mixing head and chamber walls as it is advanced through the mixing chamber during cleaning. A nozzle plunger drives material from a mixing chamber nozzle.

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