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    • 57. 发明授权
    • Removing and collecting dust from traveling material
    • 从旅行资料中去除和收集垃圾
    • US3775806A
    • 1973-12-04
    • US3775806D
    • 1971-11-16
    • SVENSKA FLAEKTFABRIKEN AB
    • OLBRANT GCITRON BROSBY SSANDBLAD K
    • A47L7/00B08B5/04B41F23/00D06G1/00D21F5/00A47L5/14A47L5/38A47L9/10
    • D06G1/00B08B5/04B41F23/002D21F5/00
    • Apparatus for removing and collecting dust from a travelling sheet or web of material including a blow box having means for impinging jets of clean air against the sheet in directions both in the direction of travel of the sheet and opposite thereto. A suction box cooperates with the blow box to form suction gaps withdrawing the air after its engagement with the material to thereby remove the dust from the material. The suction in the suction box is sufficient to withdraw additional air from the surrounding atmosphere through the spaces which exist between the material and the suction box, and means is provided to remove the dust from the air withdrawn by the suction box. An alternate embodiment provides guide elements in the suction gaps which support the material at these points through a film of air.
    • 用于从行进的片材或材料网中去除和收集灰尘的装置,包括吹风箱,该吹风箱具有用于在片材的行进方向上与其相对的方向上冲击清洁空气的喷射流体抵靠片材的装置。 抽吸箱与吹风箱协同工作,形成吸入间隙,在与材料接合后取出空气,从而从材料中除去灰尘。 抽吸箱中的吸力足以通过存在于材料和抽吸箱之间的空间从周围大气中抽出额外的空气,并且提供装置以从抽吸箱抽出的空气中除去灰尘。 另一实施例提供了吸力间隙中的引导元件,其通过空气膜在这些点处支撑材料。