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    • 6. 发明授权
    • Explosive powder charge actuated fastening element driving device
    • 爆炸粉末充电致动紧固元件驱动装置
    • US4711385A
    • 1987-12-08
    • US932658
    • 1986-11-19
    • Peter Jochum
    • Peter Jochum
    • B25C1/04B25C1/14
    • B25C1/14
    • An explosive powder charge actuated fastening element driving device includes a driving piston mounted within a guide bore in an axially extending piston guide for displacement between a firing position and a driving position where the fastening element is driven into a receiving material. After driving a fastening element, the driving piston is returned toward the firing position by exhaust gases generated when a charge is fired. A channel laterally encloses the piston guide with a first and a second aperture, spaced apart in the axial direction, extending through the piston guide communicating between the guide bore and the channel. A blocking slide movable relative to the piston guide is located within the channel. The exhaust gases can flow through the first aperture into the channel and, when the blocking slide is displaced relative to the piston guide, entrapped in a storage space within the channel so that the exhaust gases flow through the second aperture into the guide bore and return the driving piston toward the firing position.
    • 爆炸性粉末充电致动的紧固元件驱动装置包括安装在轴向延伸的活塞导向件中的导向孔内的驱动活塞,用于在击发位置和驱动位置之间移动,其中紧固元件被驱动到接收材料中。 在驱动紧固元件之后,驱动活塞通过在点火时产生的废气而返回到击发位置。 一个通道横向围绕活塞引导件,其具有在轴向方向间隔开的第一和第二孔,延伸穿过在引导孔和通道之间连通的活塞引导件。 相对于活塞引导件移动的阻挡滑块位于通道内。 废气可以通过第一孔流入通道中,并且当阻挡滑块相对于活塞导向件移位时,被捕获在通道内的储存空间中,使得废气流过第二孔进入导向孔并返回 驱动活塞朝向着火位置。
    • 8. 发明授权
    • Use of agglomerates of silicic acid as fillers in dental materials
    • 在牙科材料中使用硅酸附聚物作为填料
    • US4389497A
    • 1983-06-21
    • US285115
    • 1981-07-22
    • Werner SchmittRobert PurrmannPeter JochumHeinz-Joachim Hubner
    • Werner SchmittRobert PurrmannPeter JochumHeinz-Joachim Hubner
    • A61K6/083C09C1/30A61K5/06C08K3/36
    • A61K6/083C09C1/3036C01P2004/50
    • The invention relates to the use of agglomerates of silicic acid having an average agglomerate size of 0.5 to 50 .mu.m, containing primary particles of silicic acid having an average particle size of 1 to 100 nm and serving as filler in dental materials on the basis of ethylenically unsaturated polymerizable monomers. This reinforcing filler is practically colorless and can be blended in considerable quantity into the polymerizable monomer material especially mono-functional and di-functional as well as polyfunctional esters of the acrylic acid and the methacrylic acid and yields a satisfactorily processable plastically deformable paste. If necessary, the agglomerated silicic acid is used together with non-agglomerated micro-fine silicic acid of an average particle size of 1 to 100 nm. The shaped bodies obtained after the curing of the polymerizable material with the fillers show superior compressive strength, low thermal expansion, high colour stability and low water absorption, and moreover can be finished to high luster. The agglomerated fillers provided according to the invention are generally suitable for tooth filling preparations and tooth restoration materials as well as for the production of artificial teeth.
    • PCT No.PCT / EP80 / 00135 Sec。 371日期1981年7月22日 102(e)日期1981年7月22日PCT提交1980年11月21日PCT公布。 第WO81 / 01366号公报 日期:1981年5月28日本发明涉及平均粒度为0.5〜50μm的硅酸附聚物,其含有平均粒径为1〜100nm的硅酸一次粒子,作为填料使用 基于烯属不饱和可聚合单体的牙科材料。 该增强填料实际上是无色的,并且可以大量掺入可聚合单体材料中,特别是单官能和二官能以及丙烯酸和甲基丙烯酸的多官能酯,并产生令人满意的可加工的可塑性变形的糊剂。 必要时,将聚集的硅酸与平均粒径为1〜100nm的非凝集微细硅酸一起使用。 可聚合材料固化后获得的成型体具有优异的抗压强度,低热膨胀性,高颜色稳定性和低吸水性,而且可以完成高光泽度。 根据本发明提供的凝聚填料通常适用于牙齿填充制剂和牙齿修复材料以及用于生产人造牙齿。
    • 9. 发明授权
    • Explosive powder operated setting device
    • 爆炸粉末操作设定装置
    • US4382533A
    • 1983-05-10
    • US257420
    • 1981-04-23
    • Franz BuechelPeter Jochum
    • Franz BuechelPeter Jochum
    • B25C1/10B25C1/08B25C1/14B25C1/18B25D9/11
    • B25C1/18B25C1/082B25D9/11
    • An explosive powder operated setting device uses the propellant gases from an ignited explosive powder charge for driving a piston which, in turn, propels a fastening element from the device into a receiving material. The device includes a housing, a barrel mounted in the housing with the piston displaceably mounted in the barrel. A tubular-shaped slide valve is rotatably mounted in the rear portion of the barrel behind the piston. The front end of the slide valve combines with the barrel in forming a space in which the propellant gases contact the piston and drive it through the barrel. The rear end of the slide valve forms a part of the combustion chamber within the device. At its front end, the slide valve is frusto-conically shaped and forms a seal with a correspondingly shaped surface in the barrel. An exhaust duct section extends through the barrel and is in communication with another exhaust duct section in the housing. The slide valve has exhaust openings extending radially through it which can be aligned with the exhaust duct section in the barrel so that, if required, a part of the propellant gases can be exhausted to the atmosphere without being used for driving the piston.
    • 爆炸性粉末操作设定装置使用来自点燃的炸药粉末的推进剂气体来驱动活塞,这又将紧固元件从装置推进到接收材料中。 该装置包括壳体,安装在壳体中的筒体,活塞可移动地安装在筒体中。 管状滑阀可旋转地安装在活塞后面的筒的后部。 滑阀的前端与机筒组合形成一个空间,推进剂气体与活塞接触并将其驱动穿过机筒。 滑阀的后端形成装置内的燃烧室的一部分。 在其前端,滑阀是截头圆锥形的,并且与筒体中相应形状的表面形成密封。 排气管道部分延伸穿过筒体并且与壳体中的另一个排气管道部分连通。 滑阀具有径向延伸的排气口,其可以与筒体中的排气管道部分对准,使得如果需要,一部分推进剂气体可以排放到大气中而不用于驱动活塞。
    • 10. 发明授权
    • Powder charge operated setting tool
    • 粉末充电操作工具
    • US5114064A
    • 1992-05-19
    • US731501
    • 1991-07-17
    • Peter JochumMartin Muller
    • Peter JochumMartin Muller
    • B25C1/10B25C1/14E04F21/18
    • B25C1/143
    • A powder charge operated setting tool includes a barrel (5) and a closing or breech member (8), both axially displaceable in a housing (1). Tensioning of a tension spring (18) for a firing pin (17) is made possible by means of a disengageable snap-in element (12) acting between housing (1) and closing member (8) by pressing the barrel (5) against the receiving material. The disengagement of the snap-in element (12) occurs only by overcoming a predetermined force acting counter to the setting direction which is generated by the gas pressure after a propellant charge (19) has been ignited.
    • 粉末充电操作固定工具包括筒体(5)和封闭或后膛构件(8),两者均可在壳体(1)中轴向移动。 借助于通过将筒体(5)压靠在壳体(1)和闭合件(8)之间的可分离的卡入元件(12)来抵抗针销(17)的张紧弹簧(18)的拉紧 接收材料。 卡扣元件(12)的分离仅通过克服在推进剂充电(19)被点燃之后由气体压力产生的与设定方向相反的预定力而发生。