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.)
B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
B28D5/02—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills
B28D5/022—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Polishing Bodies And Polishing Tools
(AREA)
Processing Of Stones Or Stones Resemblance Materials
(AREA)
Verfahren zur Herstellung von Trennscheiben, Schleifscheiben sowie Bohrkronen fuer die Bearbeitung von Achat und anderen Halbedel- und Edelsteinen sowie Glas