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    • 3. 发明授权
    • Method for removing polyvinyl coatings from metal with tetrahydrofuran
    • 用四氢呋喃从金属中除去聚乙烯基涂层的方法
    • US4431458A
    • 1984-02-14
    • US366485
    • 1982-04-08
    • Harold Rosen
    • Harold Rosen
    • B08B3/08C09D9/00B08B7/00
    • C09D9/005B08B3/08
    • The method of recovering metal from a coated condition wherein the same is encased within polyvinyl chloride which comprises disposing the coated metal upon a mesh or other perforated support within a vessel, immersing the same in a bath of tetrahydrofuran under ambient conditions, then closing the vessel containing said mesh or perforated support and permitting the treated material to remain therein in immersed state for a period of time commensurate with the quantity of material to be de-coated and with the thickness of such coating. However, with customary coatings in the order of approximately 1/4" to 3/8", a period of about one hour is adequate and such should be relatively indicative of the periods of time necessary with thicker coatings.
    • 从涂覆状态回收金属的方法,其中所述方法包含在聚氯乙烯内,其包括将涂覆的金属设置在容器内的网状物或其它穿孔支撑体上,将其浸入四环素浴中,在环境条件下封闭容器 包含所述网状物或多孔支撑体,并允许经处理的材料在浸没状态下保持在与待涂覆材料的数量以及这种涂层的厚度相当的时间内。 然而,对于约1/4“至3/8”的量级的常规涂层,约1小时的时间是足够的,并且这应该相当地指示较厚涂层所需的时间段。
    • 5. 发明授权
    • Compact self-contained fire extinguisher
    • 紧凑型独立灭火器
    • US4711307A
    • 1987-12-08
    • US15528
    • 1987-02-05
    • Harold Rosen
    • Harold Rosen
    • A62C3/16A62C35/02
    • A62C3/16
    • A fire extinguisher of compact, self-contained character is installed in electrical equipment by being mounted within an aperture of a housing for the equipment. The extinguisher has an elongated vessel for containing under pressure a fire extinguishing substance such as halogenated hydrocarbon type. A nozzle is carried at one end of the vessel and is closed by fusible material which melts at a predetermined temperature to permit discharge into the housing. The nozzle is formed as part of a fitting which carries a washer-like disc having an adhesive substance on it to permit adhesive securement of the extinguisher to the equipment housing, with the greatest portion of the vessel extending exteriorly of the housing and only a small portion of the extinguisher thus extending interiorly of the housing. The vessel has a relatively high aspect ratio, such as permitting it to be installed in an aperture defined by an electrical knock-out. The arrangement permits instalation in receptacle boxes, breaker boxes and various domestic and comercial electrical equipment.
    • 通过安装在用于设备的壳体的孔中,将电子设备中的紧凑的,独立的特征的灭火器安装在电气设备中。 灭火器具有用于在压力下容纳诸如卤代烃类的灭火物质的细长容器。 喷嘴在容器的一端承载并且被可熔材料封闭,熔化材料在预定温度下熔化以允许排放到壳体中。 喷嘴形成为配件的一部分,该配件具有在其上具有粘合剂物质的垫圈状盘,以允许将灭火器粘合固定到设备壳体,其中容器的最大部分延伸到壳体的外部,并且只有小的 灭火器的一部分因此在壳体的内部延伸。 容器具有相对高的纵横比,例如允许其安装在由电击穿限定的孔中。 该安排允许在插座盒,断路器盒和各种家用和商业电气设备中安装。
    • 8. 发明授权
    • Zero insertion/retraction force connector
    • 零插拔力连接器
    • US3980376A
    • 1976-09-14
    • US599240
    • 1975-07-24
    • Harold Rosen
    • Harold Rosen
    • H01R12/87H01R13/26
    • H01R12/87
    • A zero insertion/retraction force connector is disclosed in which a folded spring is mounted in a housing with the folded spring having an arched portion to one side, one end of which serves as a sliding pivot for an extension which curves back towards the arched portion. This extension forms a moveable contact which is deflected towards a conductive stripe on the edge of a printed circuit board when, in one embodiment, a printed circuit board is inserted into the connector such that the bottom of the printed circuit board depresses the arched portion of the spring. Depression of the arched portion causes the sliding pivot to move laterally and rotate such that the extension swings into contact with one side of the printed circuit board and slides upon the conductive stripe in a wiping action while pressing the other side of the board against a vertical wall of the connector to sandwich the printed circuit board between the moveable contact and the wall. The printed circuit board is clamped into place to maintain the contact pressure by the depression of the arched portion. Release of the printed circuit board is accomplished by unclamping the circuit board which permits the upward motion of the printed circuit board and release of the arched portion, with the elasticity of the spring causing the moveable contacts to swing away thereby releasing the printed circuit board.
    • 公开了一种零插入/缩回力连接器,其中折叠的弹簧安装在壳体中,其中折叠的弹簧具有到一侧的拱形部分,其一端用作用于延伸的滑动枢轴,该延伸部向弓形部分 。 当在一个实施例中将印刷电路板插入连接器中时,该延伸部形成朝向印刷电路板的边缘上的导电条被偏转的可移动接触,使得印刷电路板的底部将印刷电路板的拱形部分压下 春天。 拱形部分的凹陷导致滑动枢轴横向移动并旋转,使得延伸部摆动与印刷电路板的一侧接触,并且在擦拭动作中在导电条上滑动,同时将板的另一侧按压垂直 连接器的墙壁将印刷电路板夹在可动触头和墙壁之间。 印刷电路板被夹紧就位以通过拱形部分的凹陷来保持接触压力。 印刷电路板的释放通过松开电路板来实现,该电路板允许印刷电路板向上运动并释放拱形部分,弹簧的弹性导致可移动触点摆动从而释放印刷电路板。