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:
Mar. 07, 2023
Filed:
Jul. 04, 2019
Yoshino Gypsum Co., Ltd., Tokyo, JP;
Wataru Ohuchi, Tokyo, JP;
Kouji Yamakata, Tokyo, JP;
Yusuke Ichino, Tokyo, JP;
Shunichi Hatakeyama, Tokyo, JP;
YOSHINO GYPSUM CO., LTD., Tokyo, JP;
Abstract
A fire-resistant partition wall includes wall studs and first and second walls each including gypsum boards with vertical and lateral joints. The wall studs are on the back side of the vertical joints. A joint base member is provided at the lateral joints. The gypsum boards, the joint base member, and the wall studs are not screwed with a common screw, and (a) the gypsum boards are screwed to only the wall studs and are not screwed to the joint base member, and the joint base member is fixed to the lateral joint position by being inserted between the gypsum boards and the wall studs, or (b) the gypsum boards are screwed to the wall studs and to the joint base member with different screws, and the joint base member is fixed to the lateral joint position by being inserted between the gypsum boards and the wall studs.