Patent ID: 6176245
Filing Date: 2001-01-23
Classification: B08B,G11B

Abstract:
A web cleaning and destaticizing apparatus for cleaning and destaticizing a web which has one surface preliminarily coated with a cleaning solution and is guided and tensioned by guide rollers constituting a running route of said web, wherein said web runs continuously along said running route with a predetermined tension, said apparatus comprising:a front edge having an upper surface which is brought in pressure-contact with said coated layer of said web and has a first radius (R2) of curvature in a cross-section;a front slit for collecting said cleaning solution to be scraped off;a doctor blade for scraping a part of said cleaning solution off, said doctor blade having an upper surface which is brought in pressure-contact with said coated layer of said web and has a second radius (R1) of curvature in the cross-section;a back slit for supplying an undercoat solution to said web; anda back edge for coating said web with said undercoat solution immediately after said part of said cleaning solution is scraped off, said back edge being in pressure-contact with a coated layer of said web;wherein said front edge, said front slit, said doctor blade, said back slit and said back edge are integrally and continuously disposed in order along a running direction of said web, andwherein said first radius (R2) of curvature is larger than said second radius (R1) of curvature.