Title:
屋内人造壁板および屋内人造壁板を製造する方法
Document Type and Number:
Japanese Patent JP2005524555
Kind Code:
A
Abstract:
A gypsum wallboard may have a paper-covered first face with shaped regions formed along side portions near the wallboard edges, and a fibrous mat-covered second face. The fibrous mat material covering the second face extends around the wallboard edges and is overlapped by portions of the paper on the first face. The wallboard can be manufactured by depositing a gypsum slurry onto a moving web of the fibrous mat material, applying a web of the paper to the deposited gypsum slurry, and forming shaped regions in the side portions of the top surface.
Inventors:
Cobal Frances Jay.
Neil David Jay.
Silver size richard
Ritchio Joseph Junior
Raymond Charles Jay.
Cummins Fermat F.
Neil David Jay.
Silver size richard
Ritchio Joseph Junior
Raymond Charles Jay.
Cummins Fermat F.
Application Number:
JP2004503251A
Publication Date:
August 18, 2005
Filing Date:
February 05, 2003
Export Citation:
Assignee:
G-P Gypsum Corporation
International Classes:
B32B13/14; D04H1/00; E04C2/04; (IPC1-7): B32B13/14
Attorney, Agent or Firm:
Hatsushi Shimizu
Koichi Niimi
Koichi Niimi