Packing material and gland packing using the material and process for packing material
    21.
    发明申请
    Packing material and gland packing using the material and process for packing material 审中-公开
    包装材料和压盖包装使用材料和包装材料的过程

    公开(公告)号:US20050233143A1

    公开(公告)日:2005-10-20

    申请号:US11078742

    申请日:2005-03-11

    IPC分类号: D02G3/06 F16J15/22 D02G3/00

    摘要: 6 The present invention relates to the versatile packing material that has enough lubricating property, durability and sealing ability even if they are used under high PV value (speed of rotating shaft is more than 25 m/sec) to a shaft seal part of a fluid machinery where the rotating shaft rotates with high speed or under very high pressure to a seal of shuttle slide part of fluid machinery, and are high quality in durability, withstand pressure ability, heat resistance, lubricating property (low torque ability etc.), chemical resistance, sealing ability, low-emission ability and reducing production cost etc., further prevent electric corrosion to contact metal such as valve rod; packing material, wherein at least any one of expansive graphite thread, carbonized fiber thread, carbon fiber thread, aramid resin fiber thread, phenol resin fiber thread, glass fiber thread, soogee, asbestos fiber thread and bundle of sprit carbon fiber is selected as base material, and in twisted periphery of the base material, a tape made of polytetrafluoro-ethylene is winded.

    摘要翻译: 6技术领域本发明涉及具有足够的润滑性,耐久性和密封性的通用包装材料,即使它们在高PV值(旋转轴的速度大于25m / sec)下使用到流体的轴密封部分 旋转轴以高速或非常高的压力旋转到流体机械的滑动部分的密封件的机械,并且具有高质量的耐久性,耐压能力,耐热性,润滑性(低扭矩能力等),化学品 电阻,密封能力,低排放能力,降低生产成本等,进一步防止电腐蚀接触阀杆等金属; 包装材料,其中膨胀石墨丝,碳化纤维丝,碳纤维丝,芳族聚酰胺树脂纤维丝,酚醛树脂纤维丝,玻璃纤维丝,超声波,石棉纤维丝和精细碳纤维束中的至少任一种被选为基底 材料,并且在基材的扭曲的周边,缠绕由聚四氟乙烯制成的带。