Title:
内装用ウォールボード及びその製造法
Document Type and Number:
Japanese Patent JP4990885
Kind Code:
B2
Abstract:
A gypsum wallboard suitable for Level 4 finishing having a coated non-woven first glass fiber mat facing material on one major surface and an optionally coated second glass fiber mat where on the other major surface. The first glass fiber mat has a majority of fibers of a nominal fiber diameter between 8 and 11 microns and a fiber length between ¼ and ¾ inch and has a basis weight between about 1.7 lb./100 ft.2 and about 2.0 lb./100; the second glass fiber mat has a majority of fibers of a nominal fiber diameter of at least 13 microns but no greater than about 16 microns and a fiber length between ¾ and 1 inch and has a basis weight between about 1.8 lb./100 ft.2 and about 2.2 lb./100, and wherein the fibers in both of the non-woven glass fiber mats are bound together with an acrylic-type adhesive binder.
Inventors:
Career alan
Brand brian
Brand brian
Application Number:
JP2008508916A
Publication Date:
August 01, 2012
Filing Date:
April 18, 2006
Export Citation:
Assignee:
Georgia Pacific Gypsum LLC
International Classes:
E04F13/14; B32B13/14
Domestic Patent References:
| JP2003025502A | ||||
| JP55162487A | ||||
| JP2000072521A | ||||
| JP2004307316A |
Foreign References:
| WO2003095192A1 | ||||
| US20040266304 |
Attorney, Agent or Firm:
Kenji Yoshida
Jun Ishida
Jun Ishida