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 Keppo Ab Petsmo Fab OyfiledCriticalKeppo Ab Petsmo Fab Oy
Priority to FI711259ApriorityCriticalpatent/FI48624C/fi
Priority to SE05811/72Aprioritypatent/SE367225B/xx
Publication of FI48624BpublicationCriticalpatent/FI48624B/fi
Application grantedgrantedCritical
Publication of FI48624CpublicationCriticalpatent/FI48624C/fi
E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
E02F3/36—Component parts
E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets