Patent · US Expired

Rotary scrapers

US4413970A · kind A · utility

8Cited by
7References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 27, 1981
Grant dateNov 8, 1983
Priority date
Expiry dateFeb 27, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P40/50
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Scraper apparatus, preferably for pelletizers is disclosed, the scraper being adapted with a plurality of individual blades rotatable into contact with the walls of the pelletizer and removable after excessive wear.

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