Patent · US Expired

Thin film treatment apparatus

US4208243A · kind A · utility

3Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 5, 1978
Grant dateJun 17, 1980
Priority date
Expiry dateJul 5, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S159/15
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A thin film treatment apparatus, especially a thin film evaporator, comprising a rotor having a shaft and a rotationally symmetrical wall arranged about said rotor. The rotor is equipped with essentially radial, elastically resilient scraper elements extending up to such wall. These scraper elements are of essentially blade-shaped construction, and these scraper elements and the rotor are at least partially covered with an elastomeric material.

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