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Title:
強化ガラス石膏パネルにおいて添加剤を複数層のうちの任意の層に投与する方法及びその製造方法
Document Type and Number:
Japanese Patent JP2008516817
Kind Code:
A
Abstract:
A multilayer gypsum board forming device, and a gypsum additive delivery system in which additives are delivered to one or more layers of a multi layered gypsum board panels, including engineered polymers, includes at least one additive assembly connected in-line with a first gypsum delivery receptacle for providing an additive fluid feed into the stream of a first gypsum slurry being transported through said first gypsum delivery receptacle for homogenously adding an additive to the first gypsum slurry, and a second gypsum delivery receptacle transporting a second gypsum slurry, in fluid communication with the mixer providing the first gypsum slurry, having a different set of characteristics from those of the first gypsum slurry. At least one outer surface including a polymeric compound or wax emulsion additive entrained therein essentially encases the core gypsum within two facing layers.

Inventors:
Henis, Mark, Yi.
Hauber, Robert, J.
Fahey, Michael, Pee.
Corning, Matthew, J.
Boydstone, Gerald, Dee.
Stuart, Troy, Earl.
Application Number:
JP2007537421A
Publication Date:
May 22, 2008
Filing Date:
October 13, 2005
Export Citation:
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Assignee:
BP Public Public Limited Company
International Classes:
B28B1/30; B28B1/50; B28B11/08; B28B19/00; B32B13/02; C04B14/38; C04B14/42; C04B16/06; C04B24/00; C04B28/14; E04C2/04; C04B111/27
Domestic Patent References:
JPH08301644A1996-11-19
JPS5230817A1977-03-08
JPH08301644A1996-11-19
JPS5230817A1977-03-08
Foreign References:
WO2002098646A12002-12-12
WO2004035505A12004-04-29
WO2002098646A12002-12-12
WO2004035505A12004-04-29
Attorney, Agent or Firm:
Hiroe Associates Patent Office
Takenori Hiroe
Takanobu Takekawa
High Shinichi Ara
Tsutomu Nishio
Hideaki Kamiya