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    • 3. 发明授权
    • Injection molding process
    • 注塑工艺
    • US07589138B2
    • 2009-09-15
    • US11633932
    • 2006-12-05
    • Frank Li
    • Frank Li
    • C08K5/526C08K5/098C08J5/00
    • B29C45/0001B29C47/822B29K2023/12C08K5/0083C08K5/098C08K5/527C08L23/142
    • A process for the preparation of a molded article formed of an isotactic ethylene propylene copolymer comprising providing an isotactic ethylene-propylene copolymer having an ethylene content of no more than 5 weight percent produced by the copolymerization of ethylene and propylene in the presence of an isospecific metallocene catalyst; heating the copolymer to a molten state; incorporating a nucleating agent into copolymer in an amount effective to provide a uniform shrinkage of the molded article at 48 hours molding of the at least 85% as determined by the differential in transverse and longitudinal shrinkage at the 48 hour mark; extruding the molten copolymer into a mold cavity; cooling the copolymer within the confines of the mold cavity to solidify the copolymer and form the molded article which is then retrieved from the mold cavity.
    • 一种制备由全同立构乙烯丙烯共聚物形成的模塑制品的方法,包括提供乙烯含量不超过5重量%的乙烯含量的全同立构乙烯 - 丙烯共聚物,该共聚乙烯 - 丙烯共聚物是通过乙烯和丙烯在异相茂金属 催化剂; 将共聚物加热至熔融状态; 将成核剂加入到共聚物中,其量有效地提供模塑制品在48小时成型时的均匀收缩率,至少85%,通过48小时标记的横向和纵向收缩差异确定; 将熔融共聚物挤出到模腔中; 在模腔的范围内冷却共聚物以固化共聚物并形成模制品,然后将其从模腔中取出。
    • 4. 发明授权
    • Film dispenser
    • 电影放映机
    • US5275073A
    • 1994-01-04
    • US978273
    • 1992-11-18
    • William A. ZemlakFrank LiGreg H. RussellTony MarkRick Chiu
    • William A. ZemlakFrank LiGreg H. RussellTony MarkRick Chiu
    • B26F3/12B65H35/00B26D7/10
    • B26F3/12B65H35/002B65H35/008Y10T225/216Y10T83/293Y10T83/323Y10T83/896
    • A film dispenser having a housing with side and bottom walls, a film roll receptacle and a ledge located forwardly of the receptacle. A heating wire is mounted transverse to the direction of movement of film from the film roll when mounted in the film roll receptacle. A power supply is coupled to the output lines in series with said heating wire. A switch is mounted on the housing in series with the power supply and the heating wire and is operative upon closing to permit the passage of electrical current through the wire. An elongated channel piece is pivotally mounted such that the pivot point is movable to a limited extent and, in response to pulling up film from the film roll, the movement of the channel piece causes the switch to close and at the same time pinches the film against the housing. Upon being released, the channel piece causes the opening of the switch and removes substantially all of the pinching effect. A guard mounted to the housing covers the heating wire and, in response to pressure from said film moves upwardly so as to expose the heating wire and allow the film to contact the wire. There is no need to mount the film roll on sockets in the film roll receptacle as in prior devices.
    • 一种具有具有侧壁和底壁的壳体的胶片分配器,胶卷容器和位于容器前方的凸缘。 当安装在胶卷容器中时,加热丝横向于胶片从薄膜的移动方向安装。 电源连接到与所述加热线串联的输出线。 开关与电源和加热线串联安装在壳体上,并且在闭合时操作以允许电流通过电线。 枢转地安装细长的通道片,使得枢转点可移动到有限的程度,并且响应于从胶片卷拉出胶片,通道片的移动导致开关闭合并且同时夹住胶片 反对住房。 在释放时,通道片导致开关的打开并且基本上消除了所有的夹紧效果。 安装到壳体的防护罩覆盖加热线,并且响应于来自所述膜的压力向上移动以暴露加热丝并允许膜接触线。 不需像现有技术的装置那样将胶片辊安装在胶卷容器中的插座上。
    • 7. 发明授权
    • Laminated self-adjusting pliers
    • 层压自调节钳
    • US06327943B1
    • 2001-12-11
    • US09259842
    • 1999-03-01
    • Harold K. WrigleyFrank LiJeffrey B. Hile
    • Harold K. WrigleyFrank LiJeffrey B. Hile
    • B25B704
    • B25B7/10B25B7/02B25B7/04Y10S81/90
    • The present invention comprises a number of innovations in the design of self-adjusting pliers. A self-adjusting pliers tool formed of laminated sheet metal construction is provided with separately fabricated cast steel jaws that provide improved strength and durability relative to laminated jaws. Techniques are also disclosed for casting the steel jaws and for treating them to achieve improved surface hardness and corrosion resistance. In certain embodiments, the jaw and the jaw end of the laminated handle are designed to interlock to prevent the jaw from sliding out of position. In certain other embodiments, a “self-energizing” feature is provided in which the shape and tooth configuration of the jaw, and the angle of the jaw end of the pliers, cooperate to keep the tool secured to a workpiece even after the upward squeezing force on the lower handle is released. In addition, a non-engaging feature is disclosed, which allows the user of the tool to squeeze the handles of the tool together to a comfortable gripping range when a large workpiece is held in the jaws.
    • 本发明包括自调节钳设计的一些创新。 由层压金属板结构形成的自调节钳工具具有单独制造的铸钢夹爪,其相对于层叠夹爪提供改进的强度和耐久性。 还公开了用于铸造钢颚和用于处理它们以获得改进的表面硬度和耐腐蚀性的技术。在某些实施例中,层压手柄的钳口和钳口端被设计成互锁以防止钳口滑出位置。 在某些其他实施例中,提供了一种“自增力”特征,其中钳口的形状和齿形以及钳子的钳口端部的角度协作以使工具固定在工件上,即使在向上挤压之后 释放下手柄上的力。 此外,公开了一种非接合特征,其允许工具的使用者将大工件保持在夹爪中时将工具的手柄一起挤压到舒适的夹紧范围。