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1. 发明专利

JP2005170471A Altered floating roof structure 有权
标题翻译：改变浮动屋顶结构
公开(公告)号：JP2005170471A
公开(公告)日：2005-06-30
申请号：JP2003414798
申请日：2003-12-12
申请人： Ishii Iron Works Co Ltd , 株式会社石井鐵工所
发明人： ISHII KOJI , TAYAMA NOBORU , UCHIDA MICHIHIKO
IPC分类号： B65D88/38 , B65D90/00 , B65D90/02
摘要： PROBLEM TO BE SOLVED: To provide an modified structure of a floating roof being excellent in functionality, safety, and reliability by providing an upper deck board so that when the floating roof of a floating roof tank of a single-deck structure is damaged by a partial breakage or the like, a stored liquid can be prevented from permeating the floating roof, the floating roof can be prevented from tilting resulting from the reduction of buoyancy, or from sinking, and thus, by modifying the floating roof into a floating roof of a double-deck structure of a double board, of which the construction is easy, and also, by taking consideration in the draining performance for rain water as well. SOLUTION: On the deck board which is a roof board located more internal side than the outer peripheral pontoon of the floating roof of the single-deck structure, an upper deck board is provided in a manner to be isolated from the deck board. The upper deck board is liquid-tightly connected with the upper end section on the internal side of the outer peripheral pontoon, and also, is arranged while being tilted into an upward gradient shape from the connected upper end edge on the internal side of the outer peripheral pontoon to the tank central section. Then, at the connected section between the upper deck board and the outer peripheral pontoon, a water collecting measure for roof drain which collects rain water and drains the rain water is provided. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过提供上甲板板来提供功能性，安全性和可靠性优异的浮顶的改进结构，使得当单层结构的浮顶箱的浮顶为可以防止由于部分断裂等而导致的储存液体渗透到浮动屋顶，因此可以防止由于浮力的降低或下沉而导致的浮动屋顶倾斜，因此通过将浮动屋顶改为双层双层结构的浮顶，施工方便，并考虑到雨水的排水性能。
解决方案：在位于比单层结构的浮动屋顶的外围浮筒更内侧的屋顶板的甲板上，以与甲板板隔离的方式设置上甲板板。上甲板与外周侧浮筒的内侧的上端部分液密地连接，并且从外侧的内侧的连接的上端边缘倾斜成向上倾斜的形状周边浮筒到坦克中央部分。然后，在上甲板和外围浮筒之间的连接部分，提供收集雨水并排放雨水的屋面排水收集措施。版权所有（C）2005，JPO＆NCIPI

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