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    • 2. 发明授权
    • Films, packaging and methods for making them
    • 电影,包装和制作方法
    • US07118792B2
    • 2006-10-10
    • US10250919
    • 2002-01-07
    • Jonathan HewittPeter Mills
    • Jonathan HewittPeter Mills
    • B32B3/06
    • B65D75/5844B31B70/25B31B70/81Y10T428/15Y10T428/24017Y10T428/31855Y10T428/31931
    • There is described a flexible oriented film (301) which acts a replacement for tear film, the film (301) having at least one tear susceptible line (307, 309) or pattern thereon (preferably weaker than the surrounding film), the film tearing substantially therealong when tearing is initiated therealong, characterised in that the line (307, 309) or pattern has substantially the same thickness normal to the film surface (gauge) as the rest of the film; and/or the film material therealong is substantially differently (preferably more) oriented (in extent and/or direction) to that in the rest of the film. The means for forming the line (307, 309) or pattern is preferably a laser (e.g. infra-red CO2 laser) set at a sufficiently low power not to ablate material therealong but at a sufficiently high power to reorient the film therealong. A method of preparing such films (301) and packaging (721) (such as cigarette packs) overwrapped with such films (601) are also described.
    • 描述了用于替代泪膜的柔性取向膜(301),膜(301)具有至少一个易撕裂线(307,309)或其上的图案(优选比周围膜更弱),膜撕裂 基本上同时在其上开始撕裂时,其特征在于,线(307,309)或图案具有与膜的其余部分垂直于膜表面(规格)的基本相同的厚度; 和/或其中的薄膜材料与膜的其余部分基本上不同(优选地更多)取向(在程度和/或方向上)。 用于形成线(307,309)或图案的装置优选地是设置在足够低的功率下的激光器(例如,红外CO 2激光器),不能在其上烧蚀材料,而是以足够高的功率 重新调整影片的方向。 还描述了制备这种薄膜(301)的方法和外包装(601)包装的包装(721)(如香烟包装)。
    • 4. 发明申请
    • Roof bolts for use in mines, a method for their production and method for their installation
    • 用于矿山的屋顶螺栓,其生产方法及其安装方法
    • US20050031419A1
    • 2005-02-10
    • US10488544
    • 2002-09-11
    • Kerry DeverPeter Mills
    • Kerry DeverPeter Mills
    • E21D20/02E21D21/00E21D20/00
    • E21D20/025E21D21/0026
    • A roof bolt comprises a shaft for insertion in a hole drilled in a mine roof and a head whereby the bolt may be rotated, the head being offset with respect to the longitudinal axis of the shaft so that when the bolt is rotated by means of its head the shaft is caused to describe a circle of greater diameter than its own diameter, and where the offset is at least 0.08 inch and not more than 0.25 inch. Preferably the offset is from 0.10 to 0.16 inch. The invention includes a method for the production of roof bolts which comprise a shaft for insertion in a hole drilled in a mine roof and a head whereby the bolt may be rotated, the method being characterised by being controlled so that at least 90% of the bolts produced have their head central axis offset with respect to the longitudinal axis of the shaft by an amount of at least about 0.08 inch and not more than about 0.25 inch.
    • 屋顶螺栓包括用于插入在矿井顶部钻孔的轴和头部,由此螺栓可以旋转,头部相对于轴的纵向轴线偏移,使得当螺栓通过其旋转时 使轴头形成一个直径大于其自身直径的圆,偏移量至少为0.08英寸,不超过0.25英寸。 优选偏移为0.10至0.16英寸。 本发明包括一种用于生产屋顶螺栓的方法,该方法包括用于插入在矿井内的孔中的轴和头部,由此螺栓可以旋转,该方法的特征在于被控制,使得至少90%的 产生的螺栓的头部中心轴相对于轴的纵向轴线偏移至少约0.08英寸且不大于约0.25英寸。