Patent · US Expired

Sieve for paper pulp strainer and classifier

US5128028A · kind A · utility

8Cited by
9References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 22, 1991
Grant dateJul 7, 1992
Priority date
Expiry dateApr 22, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49604
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Sieve for paper pulp strainer and classifier of the kind formed by the juxtaposition of elements of U-shaped cross section comprising a perforated flat bottom (2) and two sidewalls (3) characterized in that the elements (1) of U-shaped cross section are disposed so as to form a notable cylindrical revolving wall, provided with slots or holes, whether or not associated with grooves and bars (obstacles).

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