Patents Assigned to NIHON ROKA KOGYO KABUSHIKIKAISYA
  • Filtering apparatus and method of manufacturing rolled filter element to be used therefor
    Publication number: 20040007519
    Abstract: The present invention relates to a filtering apparatus including a filter element formed by winding thin paper into a rolled state, and a method of manufacturing a filter element roll for the filtering apparatus, and is intended to provide a highly accurate filtering capability irrespective of a single-tier construction.
    Type: Application
    Filed: July 15, 2002
    Publication date: January 15, 2004
    Applicant: NIHON ROKA KOGYO KABUSHIKIKAISYA
    Inventor: Hirohide Sasaki