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    • 3. 发明授权
    • Interchangeable color backgrounds for cell phone protector cases
    • 手机保护套可互换彩色背景
    • US08676281B1
    • 2014-03-18
    • US13426496
    • 2012-03-21
    • David CaulderHong Dong
    • David CaulderHong Dong
    • H04M1/00
    • H04M1/0283H04M1/185
    • A transparent cell phone protector case where the face of the cell phone is facing away from the rear of the transparent cell phone protector case. This case is a snap fit over the cell phone and sandwiches a decorative accessory color card between the transparent cell phone protector case and the cell phone. The invention is to insert a card of a different color between the back of the cell phone and the acrylic transparent case so that the colored card gives the cell phone protector case a different colored appearance. A set of these colored cards can be sold so that an individual can exchange the color to match the outfit they are wearing.
    • 一个透明的手机保护盒,手机的表面正对着透明手机保护壳的背面。 这种情况是手机上的卡扣,并且在透明手机保护壳和手机之间夹着装饰性辅助色卡。 本发明是在手机背面和丙烯酸透明外壳之间插入不同颜色的卡片,使得彩色卡片给予手机保护壳体不同的着色外观。 可以出售这些彩色卡片,以便个人可以交换颜色以配合他们所穿的衣服。
    • 9. 发明授权
    • Vertical ring magnetic separator for de-ironing of pulverized coal ash and method using the same
    • 用于粉煤灰脱铝的垂直环形磁选机及其使用方法
    • US08505735B2
    • 2013-08-13
    • US13579306
    • 2011-02-23
    • Jianguo HanZhaohua GuoWenhui ZhangCundi WeiYongwang WangShaonan XuSa LvHong DongJunzhou ChiJianmin ZhangQingan Nan
    • Jianguo HanZhaohua GuoWenhui ZhangCundi WeiYongwang WangShaonan XuSa LvHong DongJunzhou ChiJianmin ZhangQingan Nan
    • B03C1/03
    • B03C1/0335B03C1/03B03C1/032B03C1/034B03C2201/18
    • A vertical ring magnetic separator for de-ironing of coal ash comprises a rotating ring (101), an inductive medium (102), an upper iron yoke (103), a lower iron yoke (104), a magnetic exciting coil (105), a feeding opening (106), a tailing bucket (107) and a water washing device (109). The feeding opening (106) is used for feeding the coal ash to be de-ironed, and the tailing bucket (107) is used for discharging the non-magnetic particles after de-ironing. The upper iron yoke (103) and the lower iron yoke (104) are respectively arranged at the inner and outer sides of the lower portion of the rotating ring (101). The water washing device (109) is arranged above the rotating ring (101). The inductive medium (102) is arranged in the rotating ring (101). The magnetic exciting coil (105) is arranged at the periphery of the upper iron yoke (103) and the lower iron yoke (104) so as to make the upper iron yoke (103) and the lower iron yoke (104) to be a pair of magnetic poles for generating a magnetic field in the vertical direction, wherein the inductive medium (102) is layers of steel plate meshes, each steel plate mesh is woven by wires, and ridge-shape sharp corners are formed at the edges of the wires. A method for magnetically separating and de-ironing of coal ash, utilizes the vertical ring magnetic separator for de-ironing of coal ash. By adopting the vertical ring magnetic separator and the method of magnetic separation for de-ironing, the de-ironing efficiency is improved by at least 20%.
    • 一种用于除灰煤的垂直环形磁选机包括旋转环(101),感应介质(102),上铁轭(103),下铁轭(104),磁激励线圈(105) ,进料口(106),拖尾桶(107)和水洗装置(109)。 供给口(106)用于供给要脱铁的煤灰,拖尾桶(107)用于在去电后排出非磁性颗粒。 上铁轭(103)和下铁轭(104)分别设置在旋转环(101)的下部的内侧和外侧。 水洗装置(109)布置在旋转环(101)的上方。 感应介质(102)布置在旋转环(101)中。 励磁线圈(105)布置在上铁轭(103)和下铁轭(104)的周围,以使上铁轭(103)和下铁轭(104)成为 一对用于在垂直方向上产生磁场的磁极,其中感应介质(102)是钢板网格层,每个钢板网由电线编织,并且在该边缘处形成脊形的尖角 电线 一种用于煤灰磁分离和除铁的方法,利用垂直环形磁选机去除煤灰。 通过采用垂直环形磁选机和磁选分离方法进行去电熨烫,脱熨效率提高至少20%。