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公开(公告)号：EP2069753B1
公开(公告)日：2019-01-23
申请号：EP07809670.8
申请日：2007-06-18
发明人： GROW, Andrew , PAWLOWSKI, Henry , BUZEK, Keith
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公开(公告)号：EP3207354A1
公开(公告)日：2017-08-23
申请号：EP15851049.5
申请日：2015-10-08
IPC分类号： G01N11/16
摘要： The present application relates generally to moving die rheometers, and more particularly to moving die rheometers that employ a variable eccentric cam. In one aspect, the eccentricity produced by the cam may be adjusted using shims of different thickness to alter the position of the post on the cam.
摘要翻译： 本申请总体上涉及移动式流变仪，并且更具体地涉及采用可变偏心凸轮的移动式流变仪。 在一个方面中，可以使用不同厚度的垫片来调整由凸轮产生的偏心，以改变凸轮上的柱的位置。
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公开(公告)号：EP2069753A2
公开(公告)日：2009-06-17
申请号：EP07809670.8
申请日：2007-06-18
发明人： GROW, Andrew , PAWLOWSKI, Henry , BUZEK, Keith
CPC分类号： G01N11/142 , G01N11/165 , G01N11/167
摘要： A rheometer die with a groove configuration for reducing sample slippage in a rheometer chamber is provided. The rheometer die includes a surface and at least one radial groove extending into the surface. The groove defines at least a portion of a sample-holding chamber constructed to hold a sample. The groove may include a first zone and a second zone with a transition zone therebetween. The groove may also include a substantially wedge-shaped portion with sidewalls which taper generally towards the center of the rheometer die such that imaginary extensions of the sidewalls intersect before reaching the center of the die. A plurality of grooves may extend into the rheometer die. The rheometer die may be incorporated into a rheometer for testing process characteristics of a material.
摘要翻译： 提供流变仪，具有用于减少流变仪室中样品滑移的凹槽构造的模具。 流变仪模具包括表面和延伸到表面中的至少一个径向凹槽（50）。 凹槽（50）限定构造成保持样本的样本保持腔室的至少一部分。 凹槽（50）可包括其间具有过渡区（62）的第一区域（52）和第二区域（56）。 凹槽还可以包括具有侧壁的基本上楔形的部分，该侧壁大致朝向流变仪模具的中心逐渐变细，使得侧壁的假想延伸部在到达模具的中心之前相交。 多个凹槽（50）可以延伸到流变仪模具中。 流变仪模具可以结合到流变仪中以测试材料的工艺特性。
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公开(公告)号：EP3207353B1
公开(公告)日：2018-12-12
申请号：EP15850581.8
申请日：2015-10-08
CPC分类号： G01N11/162 , G01N33/442
摘要： The present application relates generally rheometers. In one aspect, misalignment of the air cylinder with respect to the cross-head is accommodated using a flexible coupling between the air cylinder and the cross-head so as to prevent binding and stuttering of the machine due to misalignment.
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公开(公告)号：EP3356789A1
公开(公告)日：2018-08-08
申请号：EP16782145.3
申请日：2016-09-29
发明人： BUZEK, Keith , NORTON, Edward
CPC分类号： G01N11/165 , G01N33/442 , G01N2203/0092
摘要： A method and apparatus is disclosed for compensating for a reduction of die cavity pressure in a torsional rheometer caused by shrinkage of the test sample. In one embodiment, a compliant member is placed in series with load-bearing components of the rheometer. This compliant member deflects when pressure in the die cavity is reduced resulting in the die cavity becoming smaller to increase the pressure within the die cavity.
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公开(公告)号：EP3207354B1
公开(公告)日：2020-08-19
申请号：EP15851049.5
申请日：2015-10-08
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公开(公告)号：EP3207353A1
公开(公告)日：2017-08-23
申请号：EP15850581.8
申请日：2015-10-08
CPC分类号： G01N11/162 , G01N33/442
摘要： The present application relates generally rheometers. In one aspect, misalignment of the air cylinder with respect to the cross-head is accommodated using a flexible coupling between the air cylinder and the cross-head so as to prevent binding and stuttering of the machine due to misalignment.
摘要翻译： 本申请通常涉及流变仪。 在一个方面，气缸相对于十字头的错位通过使用气缸与十字头之间的挠性联轴节来调节，以防止由于未对准造成的机器装订和错位。
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