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.)
Gutehoffnungshutte Sterkrade AG
Original Assignee
Gutehoffnungshutte Sterkrade AG
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 Gutehoffnungshutte Sterkrade AGfiledCriticalGutehoffnungshutte Sterkrade AG
Priority to ES0077504UpriorityCriticalpatent/ES77504Y/en
Publication of ES77504UpublicationCriticalpatent/ES77504U/en
Application grantedgrantedCritical
Publication of ES77504YpublicationCriticalpatent/ES77504Y/en
Extendable rod valve, whose rod is fixedly held by its free end, preferably for use in hydraulic mine stages, characterized in that the edge of the valve plate has the shape of an annular body generated by the rotation of a sector of curve, for example of a semicircle. (Machine-translation by Google Translate, not legally binding)
ES0077504U1959-12-031959-12-03
Extendable rod valve
ExpiredES77504Y
(en)