TERMIUM Plus®

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

coarse screen [3 records]

Record 1 2011-05-20

English

Subject field(s)
  • Equipment and Tools (Water Supply)
  • Wastewater Treatment
DEF

... screen ... constructed of a series of parallel bars of rectangular cross-sections, generally of wrought iron or steel with open spaces varying from one-half inch to three or four inches. The bars are separated by spacers and are held together by means of cross-members. [Used] to collect the larger floating material.

French

Domaine(s)
  • Équipement et outillage (Alimentation en eau)
  • Traitement des eaux usées
OBS

Une grille grossière présente des écartements de barreaux de l'ordre du décimètre, et une grille fine, a des écartements de l'ordre du centimètre.

OBS

On peut évidemment remplacer les grilles par des cribles, tôles percées de trous, ou mieux par des toiles métalliques dont la dimension des mailles peut être inférieure au millimètre [125 pouce].

Spanish

Save record 1

Record 2 1996-08-13

English

Subject field(s)
  • Platemaking (Printing)
  • Photoengraving
DEF

A halftone screen of up to about 85 lines to the inch; used on rough finish paper.

OBS

A 55-line screen is generally considered a rather coarse screen, an 85- to 110-line screen about medium, and screens with a ruling of 133 or more lines are usually considered fine. The higher the screen ruling number is, the more detail will be present in the printed image.

French

Domaine(s)
  • Clicherie (Imprimerie)
  • Photogravure
DEF

Trame de similigravure comportant jusqu'à environ 85 lignes au pouce; utilisée sur papier très ordinaire, très souvent un papier non satiné grossier.

Spanish

Save record 2

Record 3 1989-04-27

English

Subject field(s)
  • Papermaking Machines
DEF

Coarse screens with large perforations onto which pulp from a grinder flows by gravity at one to three percent consistency. They are used to remove knots, slabs, large slivers, and other large objects before further screening.

French

Domaine(s)
  • Machines à papier
DEF

Classeur placé à la sortie du défibreur pour éliminer les grosses impuretés telles que les éclats de bois que contient la pâte, ou encore à la sortie du lessiveur pour éliminer les incuits de grandes dimensions.

Key term(s)
  • tamis à grosses mailles

Spanish

Save record 3

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