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:
Jul. 27, 1999
Filed:
Apr. 30, 1997
Isao Nemezawa, Hitachi, JP;
Tadahiro Kimura, Hitachi, JP;
Tetsu Oomori, Hitachi, JP;
Akira Mizuochi, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Engineering Services Co., Ltd., Ibarakis, JP;
Abstract
In a radiation shield in which a bag having flexibility is filled with a shielding liquid, a side of the bag is integrally equipped with reinforcement members which have a higher strength than the material of the bag and are longitudinally disposed and spaced horizontally. The bag filled with the shielding liquid is restrained from being deformed (swollen in its lower portion) by the reinforcement members having a higher strength than the material of the bag, so that the radiation shield is maintained in a predetermined thickness and exhibits predetermined performance.