characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element

Full Title

Drill bits > characterised by wear resisting parts, e.g. diamond inserts > Button-type inserts > with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts > characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element

Classification Context

Section:

FIXED CONSTRUCTIONS

Class:

EARTH OR ROCK DRILLING; MINING

Subclass:

EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS