Patent · US Expired

Film dryer

US4151657A · kind A · utility

5Cited by
10References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 1977
Grant dateMay 1, 1979
Priority date
Expiry dateMar 3, 1997

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF26B25/008
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A drying chamber wherein photographic film is dried by non-turbulent recirculating conditioned air passing therethrough while the film is suspended from a conveyor system and foreign material is prevented from entering thereinto by an air curtain.

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