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 Володимир Якович Кириченко, Владимир Яковлевич КириченкоfiledCriticalВолодимир Якович Кириченко
Priority to UA94031890ApriorityCriticalpatent/UA18560C2/en
Publication of UA18560C2publicationCriticalpatent/UA18560C2/en
The invention relates to mining and is intended for fixation of mine workings in difficult mining-geological conditions. Support includes frame that consists of bearing elements placed at angle 120° with respect to each other, arranged as arcs with same length and connected to each other with connecting elements installed in the nodes of frame joints.
UA94031890A1994-03-041994-03-04Timbering of mine working
UA18560C2
(en)