TERMIUM Plus®

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

DOCTOR ROLL [9 records]

Record 1 2015-02-25

English

Subject field(s)
  • Printing Machines and Equipment
  • Flexography (Printing)
CONT

Achievements in doctor blade technology have resulted in high quality flexographic printing and pollution prevention through controlled ink transfer from the ink container to the substrate. The average two-roll system with its ink fountain, fountain roller and anilox roll is a veritable open reservoir, exposing large quantities of solvents that are readily evaporated. The chambered doctor blade halts this evaporation. Ink enters the chamber from the reservoir or ink sump by a pump. The ink is held in the manifold area, with a small area exposed to the anilox roll. A doctor blade is positioned to shear off the excess ink as the anilox turns, returning all extra ink to the chamber. A second plastic or metal blade retains the ink within the chamber. The chamber is sealed off completely so that no ink goes beyond the width of the unit.

French

Domaine(s)
  • Équipement (Imprimerie et arts graphiques)
  • Flexographie (Imprimerie)
DEF

Carter longitudinal refermé sur l'anilox qui contient l'alimentation en encre, deux racles d'essuyage et un dispositif de réglage sur l'anilox.

Spanish

Save record 1

Record 2 2011-07-25

English

Subject field(s)
  • Printing Machines and Equipment
  • Flexography (Printing)
DEF

[A] truncated inverted pyramid [shaped depression in surface of engraved cylinder].

OBS

A quadrangular or quad cell is... very versatile when used with wipe roll and doctor blade systems.

French

Domaine(s)
  • Équipement (Imprimerie et arts graphiques)
  • Flexographie (Imprimerie)
DEF

Alvéole pyramidale à fond plat.

OBS

alvéole pyramidale tronquée : Terme et définition tirés du Vocabulaire de la flexographie de France Brodeur. Reproduction autorisée par l'Institut des communications graphiques du Québec.

OBS

alvéole : Il est à noter que la forme au masculin est vieillie.

Spanish

Save record 2

Record 3 2005-11-29

English

Subject field(s)
  • Printing Machines and Equipment
  • Flexography (Printing)
DEF

In flexography, similar to doctor blade in gravure except used with much lighter pressure and a reverse angle on the anilox roll.

CONT

In this application the high viscosity of the UV [ultraviolet] inks, combined with the reserve doctor blade adaptation on flexo presses, has resulted in a very sharp reproduction of fine text and color work.

Key term(s)
  • reverse-angle doctor blade

French

Domaine(s)
  • Équipement (Imprimerie et arts graphiques)
  • Flexographie (Imprimerie)
DEF

Racle semblable à une racle d'héliogravure, qui nécessite beaucoup moins de pression et qui applique un angle sur le rouleau intermédiaire.

OBS

racle inversée : terme tiré du Vocabulaire de la flexographie de France Brodeur. Reproduction autorisée par l'Institut des communications graphiques du Québec.

Spanish

Save record 3

Record 4 2005-09-14

English

Subject field(s)
  • Printing Machines and Equipment
  • Flexography (Printing)
CONT

The Atraflex CIP is equipped with eight printing decks, with four decks to each side of the cylinder. The cylinder and decks are located at the "front" of the approximately 85’-long machine. Each deck includes plates cylinder, anilox roll, between-color drying boxes and a patented W&H doctor blade chamber.

French

Domaine(s)
  • Équipement (Imprimerie et arts graphiques)
  • Flexographie (Imprimerie)
DEF

Groupe imprimant d'une presse flexo composé d'une chambre d'encrage ou d'un bac à encre et d'un barboteur, d'un anilox et d'un cylindre porte-plaque.

OBS

Chaque couleur correspond à un encrage.

OBS

groupe d'impression; encrage : termes et définition tirés du Vocabulaire de la flexographie de France Brodeur. Reproduction autorisée par l'Institut des communications graphiques du Québec.

Spanish

Save record 4

Record 5 2005-07-15

English

Subject field(s)
  • Flexography (Printing)
CONT

... discloses a doctor blade holding assembly for a strip, this holding assembly also being relatively stiff lengthwise with disadavantages. The device is designed for negative doctoring, ie. scrapping the roll, consequently without special requirements a doctor blade for printing roll.

French

Domaine(s)
  • Flexographie (Imprimerie)
DEF

Régulation de l'encrage sur le cylindre anilox au moyen d'une racle négative, c'est-à-dire une racle dont l'angle est inversé.

OBS

raclage négatif : terme et définition tirés du Vocabulaire de la flexographie de France Brodeur. Reproduction autorisée par l'Institut des communications graphiques du Québec.

Spanish

Save record 5

Record 6 2002-11-08

English

Subject field(s)
  • Printing Machines and Equipment
CONT

The wire runs over a breast roll under or adjacent to the headbox, over a series of tube or table rolls or more recently drainage blades, which maintain the working surface of the wire in a plane and aid water removal. The tubes or rolls create a vacuum on the downstream side of the nip. Similarly, the drainage blades create a vacuum on the downstream side where the wire leaves the blade surface, but also performs the function of a doctor blade on the upstream side.

French

Domaine(s)
  • Équipement (Imprimerie et arts graphiques)
CONT

Vide séparant les parties imprimantes d'un filet double maigre, on donne le nom au filet lui-même. Nom donné à la gorge de la tranche arrondie de la face avant d'une reliure ou d'un registre.

Spanish

Save record 6

Record 7 2000-10-24

English

Subject field(s)
  • Plywood
  • Facilities and Equipment (Wood Industries)
CONT

The traditional means of spreading glue is the roll spreader. A film of adhesive is metered onto the roll spreader, which consists of a grooved rubber roll. The thickness of the adhesive film is set by a doctor roll. The spread of the adhesive can be varied, within limits, by adjusting the clearance between the doctor roll and the spreader roll.

French

Domaine(s)
  • Contreplaqués
  • Installations et équipement (Industr. du bois)
DEF

Pièce tubulaire d'une encolleuse qui distribue la colle uniformément sur des particules de bois ou des feuilles de placage.

Spanish

Save record 7

Record 8 1998-08-20

English

Subject field(s)
  • Papermaking Machines
  • Pulp Preparation (papermaking)
DEF

A low volume water shower, just below the take-off roll or doctor board of a washer which removes fibres trapped in the mesh face. It may be continuous or intermittent, stationary or oscillating.

French

Domaine(s)
  • Machines à papier
  • Préparation de la pâte à papier
DEF

Rinceur à faible débit d'eau, situé sous le rouleau preneur d'une pile laveuse et servant à libérer les fibres emprisonnées dans la toile. Son action peut être continue ou intermittente, fixe ou oscillante.

Spanish

Save record 8

Record 9 1994-10-03

English

Subject field(s)
  • Papermaking Machines
OBS

crepe : A simulated crinkly finish effect generally produced on a sheet of tissue or lightweight paper by crowding it on a roll with the aid of a doctor blade on the paper machine("machine crepe") or during converting.

French

Domaine(s)
  • Machines à papier
DEF

Docteur utilisé pour plisser le papier en vue d'augmenter son extensibilité et sa souplesse.

CONT

Pour certaines catégories de papier (tissu, ouate, etc.), on redonne souplesse et allongement sens marche par crêpage: la feuille est détachée du cylindre par un docteur crêpeur dont le profil de la lame détermine la fréquence et l'amplitude des ondulations dans le sens perpendiculaire à la marche.

OBS

Pour le contexte, voir l'article 9.4.1.2. dans CTD-1, vol. 2.

Key term(s)
  • règle de crêpage

Spanish

Save record 9

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