Coating apparatus – Immersion or work-confined pool type – Work-confined pool
Reexamination Certificate
2011-01-18
2011-01-18
Edwards, Laura (Department: 1713)
Coating apparatus
Immersion or work-confined pool type
Work-confined pool
C118S412000, C118SDIG009
Reexamination Certificate
active
07870833
ABSTRACT:
To provide a slide curtain coating apparatus and method for depositing a curtain of coating liquid onto a running web, the apparatus and method capable of preventing the curtain from being condensed at its center region and preventing the resulting coating from having greater thickness at its edge regions. The coating apparatus includes: a slit for discharging the coating liquid; a slide on which the curtain flows down; and, a slide edge guide along which the curtain flows and which is provided at both edges on the slide and each having auxiliary liquid supply means at the surface facing the curtain; and auxiliary liquid supply means for discharging the auxiliary liquid from all over the surface thereof which touches the curtain at the edge guide. The coating method includes discharging the auxiliary liquid from all over the surface of the auxiliary supply means coating apparatus.
REFERENCES:
patent: 4060649 (1977-11-01), Coleman
patent: 4479987 (1984-10-01), Koepke et al.
patent: 4559896 (1985-12-01), Bossard et al.
patent: 5342815 (1994-08-01), Sugiyama et al.
patent: 5380550 (1995-01-01), Sugiyama et al.
patent: 5725665 (1998-03-01), Yapel et al.
patent: 5725910 (1998-03-01), Devine et al.
patent: 6196127 (2001-03-01), Yamamoto et al.
patent: 2001/0020423 (2001-09-01), Yamamoto et al.
patent: 2004/0253385 (2004-12-01), Gueggi
patent: 2007/0137563 (2007-06-01), Schweizer et al.
patent: 0051238 (1982-05-01), None
patent: 61-35880 (1986-02-01), None
patent: 2000-513 (2000-01-01), None
patent: 2000-218209 (2000-08-01), None
patent: 2001-104856 (2001-04-01), None
patent: 2005-512768 (2005-05-01), None
patent: WO97/40947 (1997-11-01), None
patent: WO03/049870 (2003-06-01), None
patent: WO03/049871 (2003-06-01), None
patent: WO2005/097352 (2005-10-01), None
Nov. 12, 2007 European search report in connection with corresponding European patent application No. EP 07 11 6480.
Jan. 30, 2008 European search report in connection with corresponding European patent application No. EP 07 11 6480.
Hanai Shuji
Kobori Hideyuki
Shimizu Tomohito
Takashita Yasuhide
Cooper & Dunham LLP
Edwards Laura
Ricoh & Company, Ltd.
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