TERMIUM Plus®

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

VACUUM BOX [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1998-04-01

English

Subject field(s)
  • Engineering Tests and Reliability
  • Welding and Soldering (Metals)
  • Inspection for Defects (Materials Engineering)
DEF

A device used to assess the integrity of field seams in membrane liners.

CONT

Seam Testing Methods... Vacuum chamber (boxes) have been used where a 3-ft- long box with a transparent top is placed over the seam and a vacuum of approximately 2.5 lb/in. superscript 2] applied. When a leak is encountered the soapy solution originally placed over the seam shows bubbles. These bubbles are due to air entering from beneath the liner and passing through the unbonded zone. The test is slow to perform and it is often difficult to make a vacuum-tight joint at the bottom of the box where it passes over the seam edges.

French

Domaine(s)
  • Fiabilité, contrôle et essais (Ingénierie)
  • Soudage (Métal)
  • Détection des défauts des matériaux
DEF

Enceinte dans laquelle on peut faire le vide ou seulement créer une dépression et dans laquelle on place la surface à essayer badigeonnée d'un liquide mouillant. Cette surface est examinée à travers un hublot permettant d'observer l'absence ou l'apparition de bulles.

CONT

Contrôle d'étanchéité de soudure sur membrane bitumineuse au moyen d'une cloche à vide.

Spanish

Save record 1

Record 2 1994-03-10

English

Subject field(s)
  • Papermaking Machines
  • Paper Manufacturing Processes
DEF

A perforated, covered, narrow box extending across and over the area through which the paper machine wire runs so that it will remove water from the forming paper web by the use of suction created by a pump connected to it. It is also used to remove water from wet felts in the same manner.

French

Domaine(s)
  • Machines à papier
  • Fabrication du papier
DEF

Enceinte mise en dépression pour extraire l'eau d'une structure poreuse comme une feuille en formation, un feutre, un matelas fibreux, etc.

OBS

Dans la source CTD-1, on trouvera le terme "caisse aspirante" sous l'article 8.3.5.

Spanish

Save record 2

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