Patent · US Expired

Thermal plate making apparatus

US5216951A · kind A · utility

19Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 1992
Grant dateJun 8, 1993
Priority date
Expiry dateOct 29, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2202/32
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A thermal plate making apparatus including a thermal head having a plurality of heating elements arranged in a line. Each element has a shape having substantially four corners. And a protruding portion for enhancing heat generation is formed at each of at least two diagonal corners of the element.

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