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 filedfiledCritical
Priority to NL7205927ApriorityCriticalpatent/NL155614B/xx
Priority to BE2052733Aprioritypatent/BE798789A/xx
Publication of NL7205927ApublicationCriticalpatent/NL7205927A/xx
Publication of NL155614BpublicationCriticalpatent/NL155614B/xx
E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
E02F3/92—Digging elements, e.g. suction heads
E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
E02F3/9268—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements
E02F3/9281—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements with axis of rotation in horizontal and transverse direction of the suction pipe