Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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IHI Corp
Original Assignee
IHI Corp
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Filing date
Publication date
Application filed by IHI CorpfiledCriticalIHI Corp
Priority to JP14669576ApriorityCriticalpatent/JPS5371317A/en
Publication of JPS5371317ApublicationCriticalpatent/JPS5371317A/en
PURPOSE: To perform the drainage of the rainwater on a semi-ground system tank economically and positively, by providing a drainage pump to a water storage pit set to a floating roof, and by draining with an expansion-free, flexible drain pipe.
COPYRIGHT: (C)1978,JPO&Japio
JP14669576A1976-12-071976-12-07Drainage device for rainwater on floating roof in oil storage tank
PendingJPS5371317A
(en)