Patent · US Expired

Coating apparatus

US5704978A · kind A · utility

11Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1996
Grant dateJan 6, 1998
Priority date
Expiry dateMay 22, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/848
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

There is provided a coating apparatus capable of achieving high-speed coating and a decrease in thickness of a coating film and obtaining a preferable coating film. In an extrusion type coating apparatus including a die having a coating material reservoir to which a coating material is supplied, the coating material being coated on a continuously traveling support member while the coating material is extruded from a slit formed in a tip of the die, a magnet portion having adjacent tip portions to form a magnetic gap is arranged such that the magnetic portion and the tip portion of the die face each other to interpose the support member therebetween, and upper and lower lips defining the slit at the tip of the die are arranged out of contact with the support member.

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