Patent · US Expired

Method and apparatus for automatically monitoring the destruction of thin sheet material

US5039020A · kind A · utility

27Cited by
4References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1989
Grant dateAug 13, 1991
Priority date
Expiry dateDec 21, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB02C2018/0038
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

The invention relates to a method and apparatus for monitoring the destruction of thin sheet material, in particular bank notes, in an automatic sorting machine, whereby the sheet material is fed by a transport means successively sheet by sheet to a motor-driven cutting means having meshing cutter boards. The destruction process and/or its immediate result are detected by sensor means.

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