FIELD: the invention refers to the technique of experimental investigation of the quality of fireproof processing of wood.
SUBSTANCE: the essence of the invention is in that the turning cover in the arrangement is fulfilled with through slits in the places of fastening providing to it possibility to displace relatively to the body, there is additionally a holder of the angle of the inclination of the cover and the surface of the cover from the side to which a sample is pressed has two in parallel located prominent longitudinal guiding pressure lags placed at a distance not prevailing the width of the investigated sample.
EFFECT: provides more stable conditions for testing of the samples at impacting on them with a point source of flame, simplification of the construction of the arrangement and reduction of its dimensions.
2 cl, 4 dwg
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