Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR PRODUCING COATED PAPER AND PRODUCTION FACILITY OF THE SAME PAPER
Document Type and Number:
Japanese Patent JP2006118077
Kind Code:
A
Abstract:

To obtain a coated paper exhibiting printability especially severely required to the coated paper in recent years, while the coated paper is made at high papermaking speed of ≥1,300 m/min.

The method for producing the coated paper is characterized in that the following continuous steps are incorporated in this order in on-machine: (1) a step for carrying out papermaking by gap type twin wire former; (2) a step for forming wet paper by a dehydration means using a suction (forming) roll and/or blade in a wire part; (3) a step for drying the wet paper; (4) a step for applying an aqueous coating solution mainly containing an adhesive and a pigment to the paper; and (5) a step for carrying out planarizing treatment of the paper by a heated soft calender 70 composed of a combination of a metal roll having at least 2 nips and constituted in a plural stages and an elastic roll, wherein surface roughness of the metal roll (JIS B-0601) is 2.5-4.5 μm and shore D hardness of the elastic roll is ≥90.


Inventors:
MATSUSHIMA TADAHIRO
Application Number:
JP2004305892A
Publication Date:
May 11, 2006
Filing Date:
October 20, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DAIO SEISHI KK
International Classes:
D21H19/36; D21F9/02; D21G1/00
Domestic Patent References:
JPH09296393A1997-11-18
JPH1161691A1999-03-05
JP2000345490A2000-12-12
JPH09132893A1997-05-20
JP2000170093A2000-06-20
JP2004530063A2004-09-30
JP2003138494A2003-05-14
JPH09228286A1997-09-02
JP2004256958A2004-09-16
JPH0770973A1995-03-14
JPH10168790A1998-06-23
JPH08506392A1996-07-09
JPH03502823A1991-06-27
JPH055293A1993-01-14
Foreign References:
WO2000070144A12000-11-23
Attorney, Agent or Firm:
Yoshihisa Nagai