TERMIUM Plus®

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

FRICTIONAL IGNITION [2 records]

Record 1 1989-03-14

English

Subject field(s)
  • Blasting Work (Mining)
DEF

The ignition of firedamp in coal mines by frictional sparks, such as the rubbing of sandstone against sandstone or sandstone against roof bolts.

French

Domaine(s)
  • Travail aux explosifs (Exploitation minière)
CONT

Pour «amorcer» les substances explosives, c'est-à-dire pour provoquer leur décomposition, il faut faire appel à diverses compositions pyrotechniques. Des mélanges à base de fulminate de mercure ou de trinitrorésorcinate de plomb chargent des amorces (inflammation par choc) ou des étoupilles (inflammation par frottement), qui doivent enflammer les agents propulsifs contenus dans des cartouches ou des gargousses.

Spanish

Save record 1

Record 2 1986-11-21

English

Subject field(s)
  • Lignite, Graphite and Coal Mining
CONT

In eastern Canadian underground coal mines: ... Proper water pressures and volumes for water-jet roadheaders, which reduce risk of frictional ignition and the amount of respirable dust, were established.

French

Domaine(s)
  • Exploit. de charbons fossiles autres que la tourbe
CONT

Les chercheurs ont établi les pressions et volumes d'eau nécessaires dans les machines de creusage au jet pour réduire les risques d'inflammation par frottement et la quantité de poussière inhalable.

Spanish

Save record 2

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