The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 16, 2010
Filed:
Apr. 27, 2005
Tomoya Hasegawa, Tokyo, JP;
Yasuyuki Amagai, Tokyo, JP;
Shoichi Okazaki, Tokyo, JP;
Masahiro Wada, Tokyo, JP;
Tomoya Hasegawa, Tokyo, JP;
Yasuyuki Amagai, Tokyo, JP;
Shoichi Okazaki, Tokyo, JP;
Masahiro Wada, Tokyo, JP;
Yoshino Gypsum Co., Ltd., Tokyo, JP;
Abstract
Perforations of a board for building material are formed by a number of recesses (), or a number of recesses () and through-holes (). A bottom face () of the recess forms a face for screwing or driving the fixing element () thereto. A color of the bottom face is set to have a brightness of color decreased in comparison with a color of a surface () of the board. A substrate of the board is a gypsum board and the bottom face of the recess is formed by a liner paper for gypsum board. According to such a board, a region for screwing or driving the fixing element thereto can be ensured without impairing regularity, uniformity or architectural design of the perforations, and putty finishing or the like for an exposed part of the fixing element can be omitted.