TERMIUM Plus®

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NONCORING BIT [1 record]

Record 1 1979-10-03

English

Subject field(s)
  • Ground-Drilling Facilities (Mining)
DEF

A general type of bit made in many shapes which does not produce a core and with which all the rock cut in a borehole is ejected as sludge (...)

French

Domaine(s)
  • Installations de forage minier
CONT

Couronne de sondage, trépan de forme annulaire (...) qui tourne au fond du trou de sonde en désagrégeant le terrain. (...) Parfois, lorsqu'on ne veut pas remonter d'échantillon, on utilise une couronne pleine, qui n'a pas de vide central et désagrège par ses diamants tout le terrain.

Spanish

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