| 摘要 |
wood-working industry, applicable as an impregnating equipment for deep impregnation of wood used for preservation or fire protection of wood, for example sleepers, cants, boards, by oily or aqueous solutions of wood preservative or fire-retardant. SUBSTANCE: device has a bed frame, impregnating bath, rollers, ultrasonic radiator, blade unloader. The rollers are composed of wheel spiders provided with tip blades corresponding to the profile of the workpiece and installed on the whole surface of the roller, they are driven for simultaneous pricking and reduction of material. EFFECT: improved quality of impregnation and enhanced capacity. 5 dwg
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