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    • 2. 发明授权
    • Production method of a polytetrafluoroethylene sheet or film
    • 聚四氟乙烯片或薄膜的制造方法
    • US06702971B2
    • 2004-03-09
    • US09985385
    • 2001-11-02
    • James HuangWilliam ChouDavid ChouShia-Chung ChenWoh-Jer LeeLei-Ti HuangChing-Yao Huang
    • James HuangWilliam ChouDavid ChouShia-Chung ChenWoh-Jer LeeLei-Ti HuangChing-Yao Huang
    • B29C4712
    • B29C55/005B29C47/0004B29C47/0021B29C47/124B29C55/18B29K2027/18B29K2105/0058B29K2105/256B29L2007/005B29L2031/265
    • To provide a method of producing a uniaxially stretched polytetrafluoroethylene gasket tape, which comprises: (1) a step for preparing a paste comprising a mixture of a polytetrafluoroethylene powder obtained by emulsion polymerization and an extrusion aid, (2) a step for extruding the paste by means of an extruder equipped with a die which has plural separators inside an orifice thereof having a rectangular cross section, (3) a step for rolling, in the extruding direction, an extrudate having slit lines to give a rolled polytetrafluoroethylene sheet, (4) a step for uniaxially stretching the rolled sheet in the rolling direction after removing the extrusion aid from the rolled sheet, and (5) a step for heat-treating the obtained uniaxially stretched polytetrafluoroethylene sheet. The die of the extruder has plural sheet-like separators in the orifice thereof having a rectangular cross section. The separators are mounted so that free ends thereof are located at a point exceeding a center point of a long side of the orifice, and function to provide slit lines inside the extrudate in parallel with the long side of the orifice. The high performance inexpensive PTFE gasket tape is produced by the uniaxially stretching method and has properties equal to those of biaxially stretched PTFE gasket tape.
    • 提供一种单轴拉伸聚四氟乙烯垫片带的制造方法,其特征在于,包括:(1)制备包含通过乳液聚合获得的聚四氟乙烯粉末与挤出助剂的混合物的糊料的步骤,(2)挤出糊料的步骤 (3)在挤出方向上轧制具有切割线的挤出物以得到轧制的聚四氟乙烯片材的步骤(4),(4)在具有矩形横截面的孔中具有多个分离器的模具, )从轧制板除去挤出助剂后,在轧制方向上单轴拉伸轧制板的工序,(5)对所得单轴拉伸聚四氟乙烯片进行热处理的工序。 挤出机的模具在其孔中具有多个片状隔离物,其截面为矩形。 分离器被安装成使得其自由端位于超过孔的长边的中心点的点上,并且用于在挤出物内部与孔的长边平行地提供切割线。 高性能廉价的PTFE垫片带通过单向拉伸法制造,具有与双轴拉伸PTFE垫片带的性能相同的性能。
    • 8. 发明申请
    • Temperature vector analyzer
    • 温度矢量分析仪
    • US20080317094A1
    • 2008-12-25
    • US12076130
    • 2008-03-14
    • James HuangJason Liao
    • James HuangJason Liao
    • G01J5/00
    • G01J5/02G01J5/025G01J2005/0077G01J2005/0081
    • The present invention discloses a temperature vector analyzer, which comprises the following elements: a temperature detection device further comprising a plurality of infrared sensors; a temperature-vector display panel; a microprocessor receiving infrared-radiating heat source temperatures detected by the plurality of infrared sensors, calculating the vector components of the infrared-radiating heat source temperatures to attain a center-originating temperature vector, and presenting the temperature vector on the temperature-vector display panel; and a power source providing power for the temperature detection device, the temperature-vector display panel, and the microprocessor. The present invention can apply to detect a local heat origin or a local heat-dissipating point.
    • 本发明公开了一种温度矢量分析仪,包括以下元件:还包括多个红外传感器的温度检测装置; 温度矢量显示面板; 接收多个红外线传感器检测出的红外辐射热源温度的微处理器,计算红外辐射热源温度的矢量分量,得到中心起始温度矢量,并将温度矢量呈现在温度矢量显示面板上 ; 以及为温度检测装置,温度矢量显示面板和微处理器提供电力的电源。 本发明可以应用于检测局部热源或局部散热点。