Patent · US Expired

Crushing apparatus, crushing method, disassembling method, and valuables recovering method

US6685116B1 · kind B1 · utility

4Cited by
4References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 2001
Grant dateFeb 3, 2004
Priority date
Expiry dateJul 14, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/82
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A crushing apparatus is provided for crushing a printed circuit board on which electronic components are mounted into pieces of a size ranging from a few to ten centimeters square and separating some of the components and sheathed wires from the printed circuit board. The crushing apparatus comprises a rotor 3 having a substantially conical or truncated conical projected center 6 mounted at the center of rotation thereof, a plurality of extensions 3a thereof extending from the conical projected center 6 radially and horizontally, and studs 3 and 4 mounted on the extensions 3a thereof. A drive motor 8 is provided for rotating the rotor 3, a cylindrical case 1 accommodates the rotor 3 therein, and a plurality of studs 2 mounted are on the inner side of the cylindrical case 1.

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