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    • 1. 发明申请
    • GLAND PACKING AND SEALING APPARATUS COMPRISING IT
    • GLAND包装和密封包装
    • WO2003027546A1
    • 2003-04-03
    • PCT/JP2002/009787
    • 2002-09-24
    • NIPPON VALQUA INDUSTRIES, LTD.ISHIDA, Makoto
    • ISHIDA, Makoto
    • F16J15/18
    • F16J15/20F16J15/18F16K41/02F16K41/04
    • To provide a novel gland packing and a sealing apparatus comprising this, wherein the gland packing displays high and stable sealability for a stem and an inner wall surface of a stuffing box even for uses further requesting the movability (rotation and reciprocating movement), and further, gives excellent effects, such as decrease of moving resistance of a stem, shape stability, adaptability to a corroded and worn-out stem and stuffing box, function for receiving shafts, easiness of equipment, simplification of sealing structure, and compactness of a sealing apparatus. The gland packing, according to the present invention, is a ring packing of which the cross sectional shape is a quadrilateral, wherein both two edges at inner and outer diameter sides of the quadrilateral are parallel to a central axis of the gland packing, and wherein the other two edges have slopes of the same orientation as to an axis perpendicular to the central axis, with the gland packing being characterized in that an inner-diameter-side acute angle portion and an outer-diameter-side acute angle portion of the quadrilateral are made flat portions.
    • 为了提供一种新颖的密封装置和包括该密封装置的密封装置,其中密封填料对于杆和填料箱的内壁表面显示出高且稳定的密封性,甚至用于进一步要求可移动性(旋转和往复运动) ,具有优异的效果,例如杆的移动阻力的降低,形状稳定性,对腐蚀和磨损的杆和填料函的适应性,用于接收轴的功能,设备的容易性,密封结构的简化和密封的紧凑性 仪器。 根据本发明的压盖填料是横截面形状为四边形的环形填料,其中四边形的内外侧两侧的两个边平行于压盖填料的中心轴线,其中 其他两个边缘具有与垂直于中心轴线的轴线相同取向的斜面,其中密封垫片的特征在于四边形的内径侧锐角部分和外径侧锐角部分 被制成平坦部分。