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 А.С. МокшинfiledCriticalА.С. Мокшин
Priority to SU447494ApriorityCriticalpatent/SU97933A1/en
Application grantedgrantedCritical
Publication of SU97933A1publicationCriticalpatent/SU97933A1/en
Коническа шарошка дл бурово,го долота самоочиш,аюш.егос типа, отличаюша с тем, что, с целью увеличени срока службы вооружени шарошки, зубцы ее выполнены ступенчатой формы.A conic roller cutter for a chisel bit is self-sharpening, ayush.gos type, which is different from the fact that, in order to increase the service life of the cutting edge armament, its teeth are stepped.
SU447494A1953-03-271953-03-27
Conic drill bit for drill bit
SU97933A1
(en)