Patent · US Expired

Rotating cup coating device

US5879457A · kind A · utility

5Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 14, 1997
Grant dateMar 9, 1999
Priority date
Expiry dateJan 14, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05C11/08
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A rotating cup type liquid coating device with structure for suppressing pulsatory movement of the coated liquid when stopping rotation of the inner cup 3, includes a buffer space S formed for connecting an inner space of the inner cup 3 and an inner space of an outer cup 2 surrounding the inner cup, on an outer periphery of the inner cup 3 , through respective throttle portions 16, 17.

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