Patent · US Expired

Paper sorting apparatus

US4236676A · kind A · utility

9Cited by
12References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 1978
Grant dateDec 2, 1980
Priority date
Expiry dateJul 31, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/64
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Disclosed is apparatus for applying forces to a waste paper mixture to procure progressive fragmentation of the respective components thereof and harvesting of the resulting paper fragments at intervals when fragmentation of one component is virtually completed and fragmentation of the next commences.

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