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    • 21. 发明授权
    • Method and apparatus for the production of high tenacity polyolefin sheet
    • 用于生产高强度聚烯烃片材的方法和设备
    • US07858004B2
    • 2010-12-28
    • US12287799
    • 2008-10-14
    • Kenneth C. HardingGene C. Weedon
    • Kenneth C. HardingGene C. Weedon
    • B29C55/02
    • B29C43/22B29C43/24B29C55/065B29C67/04B29K2023/0683B29K2223/0683
    • 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.
    • 一种用于生产几乎全密度聚烯烃的方法,适用于进一步加工,通过拉伸以形成高强度,高度取向的聚烯烃片材,其包括:a)将计量的聚烯烃粉末进料到两个加热的压延辊之间的辊隙中; 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。 根据高度优选的实施方案,最初,辊隙被设定在比最小聚烯烃粉末颗粒的尺寸小的间隙处,并且在高于粉末的熔点的温度下,并且一旦聚烯烃的粘性片离开辊隙, 将辊隙降低到低于聚烯烃粉末的熔点的温度,并且间隙增加到高于最大粉末颗粒的厚度的所需水平。
    • 23. 发明授权
    • Apparatus and method for making preforms in mold
    • 在模具中制造预制件的装置和方法
    • US07597760B2
    • 2009-10-06
    • US11391256
    • 2006-03-29
    • Scott A. LammersJonathan W. SchacherChristian S. AndersonSteve H. Olson
    • Scott A. LammersJonathan W. SchacherChristian S. AndersonSteve H. Olson
    • B05B15/02B05B3/00B05C19/00
    • B29C70/305B29B11/16B29K2105/06B29K2223/0683B29L2031/307
    • Apparatus and a method of preparing fiber preforms disperses fibers and binder on a forming support surface such that the materials are conditioned and then applied to the surface where the composite material solidifies. Reinforcing material, such as fiber, is mixed with binder, such as thermoplastic or thermoset materials, so that the materials adhere. Then, the adhesive mixture is dispersed in a controlled pre-determined weight ratio on the support surface where the mixture sticks to the support surface, cools and solidifies. The deposited mixture can be an open mat having interstices between fibers. The deposited mixture can also be shaped further into a final desired shape before complete solidification. This method eliminates the need for solvents and their associated problems. The process does not require a vacuum or plenum system to hold the reinforcing material in place. The preform can be made in any shape, including sections or asymmetric configurations and remain in mold while being processed to a composite molded article.
    • 设备和制备纤维预制件的方法将纤维和粘合剂分散在成形支撑表面上,使得材料被调节,然后施加到复合材料固化的表面上。 诸如纤维的增强材料与粘合剂如热塑性或热固性材料混合,使得材料粘附。 然后,将粘合剂混合物以受控的预定重量比分散在支撑表面上,其中混合物粘到支撑表面上,冷却并固化。 沉积的混合物可以是在纤维之间具有间隙的开放垫。 沉积的混合物还可以在完全固化之前进一步成型为最终所需的形状。 该方法消除了对溶剂及其相关问题的需要。 该过程不需要真空或增压系统来将增强材料保持在适当位置。 预成型件可以制成任何形状,包括部分或不对称构型,并保持在模具中同时被加工成复合模制品。
    • 25. 发明申请
    • Secure composite cockpit door and method of manufacture
    • 安全复合驾驶舱门及制造方法
    • US20040118976A1
    • 2004-06-24
    • US10728503
    • 2003-12-05
    • Joseph Albertelli
    • B64D011/00B64D013/00
    • B64D45/0015B29C70/30B29K2061/04B29K2105/0809B29K2223/0683B29L2031/3079B64C1/1423B64C1/1469B64C2001/009Y02T50/43
    • The present invention disclosed herein is used for replacing or installing a new aircraft cockpit door system in airplanes, wherein such a composite exist as part of the original aircraft structure. In manufacturing a typical cockpit door panel of approximately 0.325null in thickness, the composition generally comprises a number of independent layers ultra high molecular weight (nullU.H.M.W.null) fibers that are of a very dense and treated with phenolic or epoxy resins. In the present invention, three layers with different weaves and resins are used to form a final combination. The first layer section is relatively hard and is constructed from a phenolic resin with a tight fabric weave. The first layer will have the function to deform any pointed projectile to a blunted object. The second layer group is constructed from a relatively softer epoxy resin with a looser fabric weave. This layer functions to form a nulldelaminationnull pocket for encouraging the blunted projectile to move nullsidewaysnull and interlaminarly having energy absorption properties. The third layer section is relatively hard and is constructed from a phenolic resin with a tight fabric weave. With the projectile having reduced velocity, the third layer functions to captures blunted projectile. This three-layer composite results in an extremely fire resistant, strong, lightweight, yet very hard material.
    • 本文公开的本发明用于在飞机中更换或安装新的飞行器驾驶舱门系统,其中这种复合物作为原始飞机结构的一部分存在。 在制造厚度约为0.325“的典型驾驶舱门板时,该组合物通常包括许多独立的超高分子量(”U.H.M.W.“)纤维,其纤维非常致密并用酚醛树脂或环氧树脂处理。 在本发明中,使用具有不同编织和树脂的三层以形成最终组合。 第一层部分相对较硬,由具有紧密织物编织的酚醛树脂构成。 第一层将具有将任何尖锐的射弹变形为钝化对象的功能。 第二层组由相对较软的环氧树脂构成,具有松散的织物编织。 该层用于形成“分层”口袋,用于鼓励钝角的抛射体“侧向”移动并且具有层间具有能量吸收特性。 第三层部分相对较硬,由具有紧密织物编织的酚醛树脂构成。 随着射弹速度的降低,第三层的作用是捕获钝的射弹。 这种三层复合材料具有非常耐火,坚固,重量轻但非常硬的材料。
    • 26. 发明申请
    • Thermoplastic jacket belt
    • 热塑外套皮带
    • US20020187869A1
    • 2002-12-12
    • US10121556
    • 2002-04-12
    • Dieter MartinHarry D. VisserPaul N. Dunlap
    • F16G001/00F16G005/00F16G009/00
    • B29D29/08B29K2023/0683B29K2223/0683F16G1/28F16G5/20
    • A belt having a body, a tensile member and an outer surface. The body comprises an elastomer. An outer surface of the belt having a profile, foe example teeth. A layer of Ultra high molecular weight polyethylene thermoplastic (UHMWPE) is bonded to the profile surface. The layer bonded to the profile surface having a low softening point allowing it to conform to a mold shape prior to cure of the rubber body material. The layer having a molecular weight in the range of 3-7 million grams per mole. The layer causes the belt to exhibit superior abrasion resistance and flexibility while reducing the cost per belt as compared to fabric jacket belts. The UHMWPE jacket belt has significantly reduced dust and debris production during operation.
    • 具有主体,拉伸构件和外表面的带。 主体包括弹性体。 带的外表面具有轮廓,例如齿。 一层超高分子量聚乙烯热塑性塑料(UHMWPE)结合到型材表面。 粘合到具有低软化点的型材表面的层允许其在固化橡胶主体材料之前符合模具形状。 该层的分子量在3-7百万克/摩尔的范围内。 该层使得带具有优异的耐磨性和柔韧性,同时降低了与织物护套带相比的每个带的成本。 UHMWPE护套带在运行过程中大大减少了灰尘和碎屑的产生。