Patent · US Expired

Image-erasing apparatus and image-erasing method

US7184069B2 · kind B2 · utility

3Cited by
2References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 2004
Grant dateFeb 27, 2007
Priority date
Expiry dateJun 7, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G21/00
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An apparatus for erasing an image formed, on a medium, with an erasable image-forming material by heating the medium includes a heating unit for electrically heating the image formed, on an medium, with an erasable image-forming material, at a predetermined temperature. The image-erasing apparatus may further include a substance treating unit for decomposing and/or adsorbing the substances produced in the heating step.

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