Patent · US Expired

Curling prevention device of thermal developing machine

US4892994A · kind A · utility

8Cited by
12References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 9, 1988
Grant dateJan 9, 1990
Priority date
Expiry dateMar 9, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03D13/002
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A curling prevention device of a thermal developing machine is provided at the outlet of a thermal developing and/or transfer step and thereafter with a correcting guide passage having a bend in the opposite direction to the direction of curling appearing in the step, the device being adapted to permit a thermal developing light-sensitive material to pass with a temperature of 50.degree. C. at least at the inlet portion of the correcting guide passage.

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