ROCK-BREAKING TOOL FOR PERCUSSIVE-ACTION MACHINE

ROCK-BREAKING TOOL FOR PERCUSSIVE-ACTION MACHINE

ROCK-BREAKING TOOL FOR PERCUSSIVE ACTION MACHINES A rock-breaking tool for preferable use in self-propelled percussive machines for boring wells, comprising a casing with a pointed portion and an end face. The casing has an annular cutting edge formed by the pointed portion and inner tapered surface...

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Bibliographische Detailangaben
Hauptverfasser: TUPITSYN, KONSTANTIN K, TUPITSYN, SERGEI K, SUDNISHNIKOV, BORIS V, KAMENSKY, VENIAMIN V, VARNELLO, EDUARD P
Format: Patent
Sprache:eng ; fre
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Beschreibung
Zusammenfassung:ROCK-BREAKING TOOL FOR PERCUSSIVE ACTION MACHINES A rock-breaking tool for preferable use in self-propelled percussive machines for boring wells, comprising a casing with a pointed portion and an end face. The casing has an annular cutting edge formed by the pointed portion and inner tapered surface thereof. The casing is formed with a cone-shaped chamber open at the end face thereof, oriented toward the bottom of a well being drilled, the internal surface of the chamber intersecting with the conical surface of the annular cutting edge. The casing is also provided with ducts communicating the chamber with the surrounding space.