Provision for screening

摘要

Available for screening.The present invention relates to an arrangement for screening (100) in a vibrating screen for screening of material, such as stone ground, gravel or similar, the provision of screening (100) having means (130, 230) provided direction in the upper part of the said provisions Tion of screening (100) for directing the material to be screened, where the means of guidance (130,230) are arranged to direct or to adjust the width of the screening material in relation to the quantity of material to be sifted, and thus obtain a layer is still great for material to be screened.