TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

COLLAR PRIMING [1 record]

Record 1 1992-06-10

English

Subject field(s)
  • Mining Dangers and Mine Safety
  • Blasting Work (Mining)
OBS

"collar": The beginning point of a shaft or drill hole, the surface. ... The mouth of a mine shaft. ... The mouth or opening of a borehole.

CONT

Bottom priming should be employed where Anodet Delays, High Strength Blasting Caps, or safety fuse and blasting caps with conventional explosives primers are used. Collar priming is recommended with electric blasting caps, with the caps placed in the boreholes after pneumatic loading is complete.

OBS

See also the TERMIUM record for "collar primed".

French

Domaine(s)
  • Exploitation minière (dangers et sécurité)
  • Travail aux explosifs (Exploitation minière)
OBS

Position de la cartouche-amorce. Ordinairement, pour le tir instantané, la cartouche-amorce occupe une position près de l'orifice du trou ou directement sur la charge même. Cependant, en certains cas, dans les trous de grand diamètre, on pratique l'amorçage en partant du fond du trou.

Spanish

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