Patent · US Expired

Wear screen plate and method of manufacture thereof

US5139154A · kind A · utility

49Cited by
10References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 27, 1989
Grant dateAug 18, 1992
Priority date
Expiry dateDec 27, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49604
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An improved screen plate for a pressure screening apparatus and a method for making the basket are disclosed wherein prestressed areas are provided at each end of each slot formed in the screen plate for minimizing crack propagation.

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