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    Method and apparatus for the production of high tenacity polyolefin sheet
    31.
    发明授权
    Method and apparatus for the production of high tenacity polyolefin sheet 有权
    用于生产高强度聚烯烃片材的方法和设备

    公开(公告)号：US08142699B2

    公开(公告)日：2012-03-27

    申请号：US12928617

    申请日：2010-12-15

    申请人： Kenneth C. Harding ,  Gene C. Weedon

    发明人： Kenneth C. Harding ,  Gene C. Weedon

    IPC分类号： B29C43/26

    CPC分类号： B29C67/04 ,  B29C43/22 ,  B29C71/02 ,  B29C2071/022 ,  B29K2023/0683

    摘要： A process for the production of virtually full density polyolefin suitable for further processing by drawing to form a high tenacity, highly oriented polyolefin sheet comprising: a) feeding a metered amount of polyolefin powder into the nip between two heated calender rolls initially set at a gap smaller than the size of the smallest polyolefin powder particle and at a temperature above the melting point of the powder; b) rolling the powder through the nip under these conditions until a coherent sheet of polyolefin is produced: and c) once a coherent sheet of polyolefin exits the nip lowering the temperature in the nip to a temperature below the melting point of the polyolefin powder and increasing the gap to a desired level above the thickness of the largest powder particle. Apparatus for the performance of such a process is also described.

    摘要翻译： 一种用于生产几乎全密度聚烯烃的方法，其适用于通过拉伸形成高强度，高取向聚烯烃片材的进一步加工，其包括：a）将计量的聚烯烃粉末进料到初始设定在间隙处的两个加热的压延辊之间的辊隙中 小于最小聚烯烃粉末颗粒的尺寸，并且在高于粉末熔点的温度下; b）在这些条件下滚动粉末通过辊隙，直到产生粘结的聚烯烃片材，并且c）一旦聚烯烃的相干片材离开辊隙将辊隙中的温度降低到低于聚烯烃粉末熔点的温度， 将间隙增加到高于最大粉末颗粒厚度的所需水平。 还描述了用于执行这种处理的装置。

    Method and apparatus for the production of high tenacity polyolefin sheet
    32.
    发明授权
    Method and apparatus for the production of high tenacity polyolefin sheet 有权

    公开(公告)号：US08109750B2

    公开(公告)日：2012-02-07

    申请号：US12928612

    申请日：2010-12-15

    申请人： Kenneth C. Harding ,  Gene C. Weedon

    发明人： Kenneth C. Harding ,  Gene C. Weedon

    IPC分类号： B29C43/24 ,  B29C43/34

    CPC分类号： B29C67/04 ,  B29C43/22 ,  B29C71/02 ,  B29C2071/022 ,  B29K2023/0683

    摘要： A process for the production of virtually full density polyolefin suitable for further processing by drawing to form a high tenacity, highly oriented polyolefin sheet comprising: a) feeding a metered amount of polyolefin powder into the nip between two heated calender rolls initially set at a gap smaller than the size of the smallest polyolefin powder particle and at a temperature above the melting point of the powder; b) rolling the powder through the nip under these conditions until a coherent sheet of polyolefin is produced: and c) once a coherent sheet of polyolefin exits the nip lowering the temperature in the nip to a temperature below the melting point of the polyolefin powder and increasing the gap to a desired level above the thickness of the largest powder particle. Apparatus for the performance of such a process is also described.

    Method and apparatus for the production of high tenacity polyolefin sheet
    33.
    发明申请
    Method and apparatus for the production of high tenacity polyolefin sheet 有权

    公开(公告)号：US20110091592A1

    公开(公告)日：2011-04-21

    申请号：US12928612

    申请日：2010-12-15

    申请人： Kenneth C. Harding ,  Gene C. Weedon

    发明人： Kenneth C. Harding ,  Gene C. Weedon

    IPC分类号： B29C43/24

    CPC分类号： B29C67/04 ,  B29C43/22 ,  B29C71/02 ,  B29C2071/022 ,  B29K2023/0683

    摘要： A process for the production of virtually full density polyolefin suitable for further processing by drawing to form a high tenacity, highly oriented polyolefin sheet comprising: a) feeding a metered amount of polyolefin powder into the nip between two heated calender rolls initially set at a gap smaller than the size of the smallest polyolefin powder particle and at a temperature above the melting point of the powder; b) rolling the powder through the nip under these conditions until a coherent sheet of polyolefin is produced: and c) once a coherent sheet of polyolefin exits the nip lowering the temperature in the nip to a temperature below the melting point of the polyolefin powder and increasing the gap to a desired level above the thickness of the largest powder particle. Apparatus for the performance of such a process is also described.

    Method and apparatus for the production of high tenacity polyolefin sheet
    34.
    发明申请
    Method and apparatus for the production of high tenacity polyolefin sheet 有权
    用于生产高强度聚烯烃片材的方法和设备

    公开(公告)号：US20110089597A1

    公开(公告)日：2011-04-21

    申请号：US12928617

    申请日：2010-12-15

    申请人： Kenneth C. Harding ,  Gene C. Weedon

    发明人： Kenneth C. Harding ,  Gene C. Weedon

    IPC分类号： B29C43/24

    CPC分类号： B29C67/04 ,  B29C43/22 ,  B29C71/02 ,  B29C2071/022 ,  B29K2023/0683

    摘要： A process for the production of virtually full density polyolefin suitable for further processing by drawing to form a high tenacity, highly oriented polyolefin sheet comprising: a) feeding a metered amount of polyolefin powder into the nip between two heated calender rolls initially set at a gap smaller than the size of the smallest polyolefin powder particle and at a temperature above the melting point of the powder; b) rolling the powder through the nip under these conditions until a coherent sheet of polyolefin is produced: and c) once a coherent sheet of polyolefin exits the nip lowering the temperature in the nip to a temperature below the melting point of the polyolefin powder and increasing the gap to a desired level above the thickness of the largest powder particle. Apparatus for the performance of such a process is also described.

    摘要翻译： 一种用于生产几乎全密度聚烯烃的方法，其适用于通过拉伸形成高强度，高取向聚烯烃片材的进一步加工，其包括：a）将计量的聚烯烃粉末进料到初始设定在间隙处的两个加热的压延辊之间的辊隙中 小于最小聚烯烃粉末颗粒的尺寸，并且在高于粉末熔点的温度下; b）在这些条件下滚动粉末通过辊隙，直到产生粘结的聚烯烃片材，并且c）一旦聚烯烃的相干片材离开辊隙将辊隙中的温度降低到低于聚烯烃粉末熔点的温度， 将间隙增加到高于最大粉末颗粒厚度的所需水平。 还描述了用于执行这种处理的装置。

    Method and apparatus for the production of high tenacity polyolefin sheet
    35.
    发明申请
    Method and apparatus for the production of high tenacity polyolefin sheet 有权

    公开(公告)号：US20110089596A1

    公开(公告)日：2011-04-21

    申请号：US12928603

    申请日：2010-12-15

    申请人： Kenneth C. Harding ,  Gene C. Weedon

    发明人： Kenneth C. Harding ,  Gene C. Weedon

    IPC分类号： B29C43/24

    CPC分类号： B29C43/22 ,  B29C43/24 ,  B29C55/065 ,  B29C67/04 ,  B29K2023/0683 ,  B29K2223/0683

    摘要： A process for the production of virtually full density polyolefin suitable for further processing by drawing to form a high tenacity, highly oriented polyolefin sheet comprising: a) feeding a metered amount of polyolefin powder into the nip between two heated calender rolls; b) rolling the powder through the nip under these conditions until a coherent sheet of polyolefin is produced. According to a highly preferred embodiment, initially, the nip is set at a gap smaller than the size of the smallest polyolefin powder particle and at a temperature above the melting point of the powder and once a coherent sheet of polyolefin exits the nip the temperature in the nip is lowered to a temperature below the melting point of the polyolefin powder and the gap increased to a desired level above the thickness of the largest powder particle.

    Method and apparatus for the production of high tenacity polyolefin sheet
    36.
    发明申请
    Method and apparatus for the production of high tenacity polyolefin sheet 有权
    用于生产高强度聚烯烃片材的方法和设备

    公开(公告)号：US20090243137A1

    公开(公告)日：2009-10-01

    申请号：US12080197

    申请日：2008-04-01

    申请人： Kenneth C. Harding ,  Gene C. Weedon

    发明人： Kenneth C. Harding ,  Gene C. Weedon

    IPC分类号： B29C59/04

    CPC分类号： B29C67/04 ,  B29C43/22 ,  B29C71/02 ,  B29C2071/022 ,  B29K2023/0683

    摘要： A process for the production of virtually full density polyolefin suitable for further processing by drawing to form a high tenacity, highly oriented polyolefin sheet comprising: a) feeding a metered amount of polyolefin powder into the nip between two heated calendar rolls initially set at a gap smaller than the size of the smallest polyolefin powder particle and at a temperature above the melting point of the powder; b) rolling the powder through the nip under these conditions until a coherent sheet of polyolefin is produced: and c) once a coherent sheet of polyolefin exits the nip lowering the temperature in the nip to a temperature below the melting point of the polyolefin powder and increasing the gap to a desired level above the thickness of the largest powder particle. Apparatus for the performance of such a process is also described.

    摘要翻译： 一种用于生产几乎全密度聚烯烃的方法，其适用于通过拉伸以形成高强度，高取向聚烯烃片材的进一步加工，其包括：a）将计量的聚烯烃粉末进料到初始设置在间隙处的两个加热的日历辊之间的辊隙中 小于最小聚烯烃粉末颗粒的尺寸，并且在高于粉末熔点的温度下; b）在这些条件下滚动粉末通过辊隙，直到产生粘结的聚烯烃片材，并且c）一旦聚烯烃的相干片材离开辊隙将辊隙中的温度降低到低于聚烯烃粉末熔点的温度， 将间隙增加到高于最大粉末颗粒厚度的所需水平。 还描述了用于执行这种处理的装置。

    Cut resistant protective glove
    38.
    发明授权
    Cut resistant protective glove 失效
    防切割防护手套

    公开(公告)号：US5442815A

    公开(公告)日：1995-08-22

    申请号：US931126

    申请日：1992-08-17

    申请人： David S. Cordova ,  Gene C. Weedon ,  Robert C. Wincklhofer ,  Mark B. Boone ,  Kevin M. Kirkland ,  Charles P. Weber, Jr. ,  Greogry J. LaCasse

    发明人： David S. Cordova ,  Gene C. Weedon ,  Robert C. Wincklhofer ,  Mark B. Boone ,  Kevin M. Kirkland ,  Charles P. Weber, Jr. ,  Greogry J. LaCasse

    IPC分类号： A41D19/00 ,  A41D19/015 ,  A61B19/04 ,  D04B1/28

    CPC分类号： D02G3/328 ,  A41D19/0055 ,  A41D19/01505 ,  A61B42/00 ,  D02G3/442 ,  D04B1/28 ,  Y10T428/2936

    摘要： A flexible, uncoated glove made from nonmetallic fabric comprising at least one fiber is disclosed. The glove is characterized by either weighing no more than about 30 g or having a thickness of no more than about 1.25 mm (0.05 inch), being cut resistant over some portion thereof by enduring without cutting through at least 5 cycles of an impact cam cut test, having compliance so that the wearer has a high degree of tactility, and having a cut resistance of at least 5 cycles of an impact cam cut test after a disinfectant treatment with sodium hypochlorite. The gloves are particularly useful in the medical field where they provide excellent cut protection and can be disinfected at least once while maintaining an acceptable level of cut resistance. In an alternate embodiment, a similarly characterized glove is made from a layer of fibrous material adhered to a surface of an elastomeric glove without being fully encapsulated thereby. This glove is also particularly useful in the medical field where it provides excellent cut protection.

    摘要翻译： 公开了一种由包含至少一种纤维的非金属织物制成的柔性的未涂覆手套。 手套的特征在于重量不超过约30g或具有不超过约1.25mm（0.05英寸）的厚度，通过耐久性而在其某些部分上耐磨而不切割冲击凸轮切割的至少5个循环 测试，具有柔顺性，使佩戴者具有高度的触觉性，并且在用次氯酸钠消毒处理之后具有至少5个循环的冲击凸轮切割试验的耐切割性。 手套在医疗领域特别有用，它们提供优异的切割保护，并且可以至少一次消毒，同时保持可接受的耐切割水平。 在替代实施例中，类似特征的手套由粘附到弹性手套的表面的纤维材料层制成，而不被完全包封。 这种手套在医疗领域也特别有用，因为它提供了极好的切割保护。