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:
Oct. 22, 2019
Filed:
Mar. 15, 2016
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Takashi Okafuji, Tokyo, JP;
Kazuhiro Hirota, Tokyo, JP;
Ryusuke Takada, Tokyo, JP;
Michihisa Watanabe, Tokyo, JP;
Kazuhiro Miura, Tokyo, JP;
MITSUBISHI SHIPBUILDING CO., LTD., Yokohama-Shi, Kanagawa, JP;
Abstract
To provide a non-spherical tank which includes: a circular cylindrical portion; a top portion disposed continuously with an upper side of the circular cylindrical portion; and a bottom portion disposed continuously with a lower side of the circular cylindrical portion, wherein the top portion includes: a spherical shell portion which is formed of a portion of a spherical body having a radius R, and is disposed at an upper end of the top portion; and a toroidal portion which is disposed continuously with the upper side of the circular cylindrical portion and with a lower side of the spherical shell portion respectively, and is formed of a portion of a spherical body having a radius Rsmaller than the radius R, and an expression 1.0<R/H<1.5 is satisfied. Here, 'R' denotes a radius of the circular cylindrical portion, and 'H' denotes a height of the top portion in a vertical direction.