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    • 21. 发明授权
    • Three-dimensional positioning device
    • 三维定位装置
    • US5575176A
    • 1996-11-19
    • US367845
    • 1994-12-30
    • Henry W. RohrsDavid Berry
    • Henry W. RohrsDavid Berry
    • B25J21/00H01J37/20B25J1/08F16J15/50
    • B25J21/00H01J37/20Y10T74/20207Y10T74/2112
    • This invention provides an apparatus or manipulator for positioning objects within a sealed chamber. The inventive positioning apparatus has a stator (or sleeve) sized and shaped for receiving a substantially cylindrical outer rotatable element. The outer element is rotatable with respect to the stator. The outer element has an eccentrically bored longitudinal passage sized and shaped for receiving an inner rotatable element. The inner and outer rotatable elements are independently rotatable with respect to each other. The object to be positioned in the sealed chamber is eccentrically mounted on the internal end face of the inner element such that relative rotation of the inner and outer element translates the mounted object in an X-Y plane perpendicular to the axis of the outer element. Relative rotation of the inner and outer elements allows two-dimensional object positioning. The inner element or outer element or both can be linearly translated along their axes to provide a third dimension of positioning parallel to the axes (Z-direction). Optionally, the object is mounted on a rod within an eccentrically bored passage in the inner element to allow rotation of the object independent of X-Y-Z positioning. The positioning apparatus is adapted for mounting onto a chamber and forming a seal or seals with the chamber to isolate it from the external atmosphere and maintain the internal atmosphere. The inventive positioning device is adaptable to manual, magnetic or motor-driven operation.
    • 本发明提供一种用于将物体定位在密封室内的装置或操纵器。 本发明的定位装置具有定子(或套筒),其尺寸和形状用于容纳基本上圆柱形的外部可旋转元件。 外部元件可相对于定子旋转。 外部元件具有偏心钻孔的纵向通道,其尺寸和形状用于容纳内部可旋转元件。 内部和外部可旋转元件可独立地相对于彼此旋转。 定位在密封室中的物体偏心地安装在内部元件的内部端面上,使得内部和外部元件的相对旋转将安装的物体平移在垂直于外部元件的轴线的X-Y平面中。 内部和外部元素的相对旋转允许二维对象定位。 内部元件或外部元件或两者可以沿其轴线线性地平移以提供平行于轴线(Z方向)的定位的第三尺寸。 可选地,物体安装在内部元件中的偏心钻孔通道内的杆上,以允许物体独立于X-Y-Z定位而旋转。 定位装置适于安装在室上并与室形成密封或密封,以将其与外部空气隔离并保持内部气氛。 本发明的定位装置适用于手动,磁力或马达驱动的操作。
    • 28. 发明申请
    • Heat-activated expandable seal and method for producing same
    • 热活化膨胀密封及其制造方法
    • US20050161886A1
    • 2005-07-28
    • US10766570
    • 2004-01-28
    • David Berry
    • David Berry
    • F16J15/06F16J15/14F16L17/00
    • F16J15/068F16J15/061F16J15/14
    • A seal (10) includes a hot-melt polymer (12) with a foaming agent, and a heating agent (18) for providing heat to at least partially melt the hot-melt polymer (12) and to activate the foaming agent. A heat conductive barrier (16) is disposed between the hot-melt polymer (12) and the heating agent (18) to inhibit mixing of the heating agent (18) with the hot-melt polymer (12). This reduces the likelihood that the hot-melt polymer (12) will burn if the heating agent (18) produces a large quantity of heat, and also helps to ensure that the hot-melt polymer (12) will be uncontaminated by the heating agent (18) and will therefore form an effective seal. When the foaming agent is activated by the heat, it produces gas to expand the partially melted hot-melt polymer (12) to fill gaps and form an effective seal.
    • 密封件(10)包括具有发泡剂的热熔聚合物(12)和用于提供热量至少部分地熔化热熔聚合物(12)并激活发泡剂的加热剂(18)。 导热屏障(16)设置在热熔聚合物(12)和加热剂(18)之间,以抑制加热剂(18)与热熔聚合物(12)的混合。 这降低了如果加热剂(18)产生大量的热量,热熔聚合物(12)会燃烧的可能性,并且还有助于确保热熔聚合物(12)将不会被加热剂污染 (18),因此将形成有效的印章。 当发泡剂被热活化时,它产生气体以膨胀部分熔融的热熔聚合物(12)以填充间隙并形成有效的密封。