FIELD: metallurgy.
SUBSTANCE: device includes a detachable hollow housing, in which a running channel is formed by means of spacers. The housing is formed by detachable side walls, upper and lower cover plates attached to the side walls. Spacers in the housing are installed so that they can be removed. A limit stop is installed from above or from below relative to each spacer and has the possibility of back-and-forth movement relative to the spacer. In the upper cover plate a provision is made for elements, one of which is intended for connection of the running channel to a specimen material vessel, and in the other one - for connection of the running channel to a vacuum pump.
EFFECT: obtaining quality specimens without any defects and without any additional processing.
3 cl, 5 dwg
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