Patent · US Expired

Multiple coating apparatus

US3983839A · kind A · utility

0Cited by
5References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 1972
Grant dateOct 5, 1976
Priority date
Expiry dateNov 17, 1992

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C1/74
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An arrangement for the production of webs coated with several emulsions, comprising coating and drying means arranged in succession, in the latter being connected to air supply and discharge shafts. A plurality of coating means are arranged at a selectable spacing from one another along the web which is guided in loop formation, the physical parameters for coating and drying are adjustable for each layer.

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