Degradable practice mine

F - Mech Eng,Light,Heat,Weapons – 42 – B

Patent

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F42B 8/28 (2006.01)

Patent

CA 2412067

A method for making a degradable practice mine (10) includes the step of covering a flat work surface with a polythylene sheet to serve as a release film (92), weighing out the materials in a ratio of 10 parts sand to 1 part polyvinyl alcohol (PVA) (93), mixing 1 part PVA with 10 parts sand making a sand/PVA mixture (94), filling a mold with the sand/PVA mixture, consolidating the sand/PVA mixture to make a consolidated form in the shape of a mine (96), and heating the consolidated form (98) to make a hardened mine form mimicking the shape and launching characteristics of a tactical mine.

L'invention concerne un procédé permettant de fabriquer une mine d'instruction dégradable (10). Ledit procédé consiste à couvrir une surface de travail plane avec une feuille de polyéthylène servant de pellicule anti-adhésive (92), à pondérer les matières dans un rapport de 10 parts de sable pour 1 part d'alcool de polyvinylique (PVA) (93), à mélanger 1 part de PVA avec 10 parts de sable, afin de réaliser un mélange de sable/PVA (94), à remplir un moule avec ledit mélange de sable/PVA, à consolider ledit mélange pour constituer une forme consolidée de mine (96), et à faire chauffer la forme consolidée (98) pour fabriquer une forme de mine durcie imitant la forme et les caractéristiques de lancement d'une mine à mouillage tactique.

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