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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kubota CorpfiledCriticalKubota Corp
Priority to JP6839276ApriorityCriticalpatent/JPS52151246A/en
Publication of JPS52151246ApublicationCriticalpatent/JPS52151246A/en
PURPOSE: To obtain an internal pressure resisting manhole, which is suitable for sewage feeding by pressure, while having no complicated construction of manhole wall or manhole cover.
COPYRIGHT: (C)1977,JPO&Japio
JP6839276A1976-06-101976-06-10Manhole for water pipe-line
PendingJPS52151246A
(en)