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OBTURATION [1 record]
Record 1 - internal organization data 2006-08-22
Record 1, English
Record 1, Subject field(s)
- Small Arms
Record 1, Main entry term, English
- obturation
1, record 1, English, obturation
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Prevention of the escape of gas developed by the propellant charge and primer. 2, record 1, English, - obturation
Record number: 1, Textual support number: 1 OBS
Obturation is an important factor in three specific areas and is obtained by: a. The expansion and sealing of the cartridge case to the chamber wall. b. The prevention of leakage between the primer and the primer pocket wall. c. The prevention of gas escape between the projectile and the bore throughout the entire bore travel; this being accomplished by "bullet set-up", or "wad set-up" in the case of a shotgun. 2, record 1, English, - obturation
Record number: 1, Textual support number: 2 OBS
In caseless ammunition weapons, obturation of the chamber is a function of the breech face. 2, record 1, English, - obturation
Record 1, French
Record 1, Domaine(s)
- Armes légères
Record 1, Main entry term, French
- obturation
1, record 1, French, obturation
correct, feminine noun, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Fait d'empêcher l'échappement des gaz produits par la charge propulsive et l'amorce. 2, record 1, French, - obturation
Record number: 1, Textual support number: 1 OBS
L'obturation est un facteur important à trois endroits particuliers et est réalisée par : a. Le gonflement et l'étanchement de la douille contre la paroi de la chambre. b. La prévention de fuites entre l'amorce et la paroi de la cuvette d'amorçage. c. La prévention de fuites de gaz entre le projectile et l'âme, d'un bout à l'autre de la rayure par la «dilatation de la balle» ou la «dilatation de la bourre» dans le cas d'un fusil de chasse. 2, record 1, French, - obturation
Record number: 1, Textual support number: 2 OBS
Dans les armes à feu à munitions sans douille, l'obturation de la chambre est une fonction de la tranche de la culasse. 2, record 1, French, - obturation
Record number: 1, Textual support number: 3 OBS
Le terme sert aussi pour spécifier le moyen de fermeture de la chambre, e.g. obturation par culasse non calée, obturation par culasse à verrou rotatif. 2, record 1, French, - obturation
Record number: 1, Textual support number: 4 OBS
obturation : terme et définition uniformisés par le Groupe de travail de terminologie des armes légères et par le Comité de terminologie française du Conseil de doctrine et de tactique de l'Armée de terre. 3, record 1, French, - obturation
Record 1, Spanish
Record 1, Textual support, Spanish
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© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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