Patent · US Expired

Turbine mixer

US4655602A · kind A · utility

13Cited by
8References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 19, 1985
Grant dateApr 7, 1987
Priority date
Expiry dateDec 19, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01F29/4033
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A mixer having a rotary drum which comprises a flexible member, an inner rotor with outstanding blades thereon, the flexible member, the inner rotor, and its blades all being of elastomeric material, the inner diameter of the flexible member being greater than the envelope diameter of the rotor blades, the mixer rotor being positionable within the flexible member with which its blades co-operate in the mixing of concrete, but being withdrawable therefrom for cleaning and maintenance purposes.

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