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ROZADORA BARRA [1 record]

Record 1 1999-09-01

English

Subject field(s)
  • Mining Equipment and Tools
DEF

A coal cutter in which the cutting member has a projecting rotating bar armed with picks throughout its length. The bar cut a kerf in the seam as the machine travelled along the face ... The type is now obsolete.

Key term(s)
  • bar coal cutting machine

French

Domaine(s)
  • Outillage et équipement (Exploitation minière)
CONT

[Les haveuses à disques] ont été abandonnées et remplacées par les haveuses à barre [...] où l'outil d'attaque est une barre cylindrique armée de pics disposés en hélice. Ces haveuses [...] ont également disparu depuis 15 ou 20 ans. Cependant, on emploie sur certaines haveuses modernes un dispositif de complément appelé «champignon de havage» qui est dérivé des barres d'autrefois [...]

Key term(s)
  • haveuse à barre coupante

Spanish

Campo(s) temático(s)
  • Equipo y herramientas (Explotación minera)
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