CH674335

A cutting tip to be carried by a drill bit for rotation in a first direction and useful in drilling holes in stone and masonry materials wherein the tip is planar and has a point defined by first and second surfaces intersecting at a point and third and fourth flank edges extending generally paralle...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	PENNINGTON, DONALD C., JUN
Format:	Patent
Sprache:	ger
Schlagworte:	BORING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS TRANSPORTING TURNING WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS
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Beschreibung
Zusammenfassung:	A cutting tip to be carried by a drill bit for rotation in a first direction and useful in drilling holes in stone and masonry materials wherein the tip is planar and has a point defined by first and second surfaces intersecting at a point and third and fourth flank edges extending generally parallel to the longitudinal axis and where the leading edge of at least one of the flank edges. determined by the direction of rotation, is chamfered.