HOT PLATE WITH STAINLESS STEEL TOP
    8.
    发明申请
    HOT PLATE WITH STAINLESS STEEL TOP 失效
    不锈钢顶板热板

    公开(公告)号:US20070257021A1

    公开(公告)日:2007-11-08

    申请号:US11381228

    申请日:2006-05-02

    IPC分类号: H05B3/68

    摘要: A hotplate with a stainless steel top plate to support a vessel. The stainless steel top plate has an upper surface with a substantially centrally located depression having a depth and area generally sufficient to absorb upward crowning of the top plate when heated. A heating unit is in a heat transfer relation with the stainless steel top plate, and a base unit is connected to the heating plate assembly; however, the base unit is not fastened directly to the stainless steel top plate, so that the stainless steel top plate can expand more uniformly when heated.

    摘要翻译: 带不锈钢顶板的电热板,用于支撑船只。 不锈钢顶板具有上表面,其具有基本中心定位的凹部,其具有通常足以在加热时吸收顶板的向上凸起的深度和面积。 加热单元与不锈钢顶板处于热传递关系,基座单元连接到加热板组件; 然而,基座单元没有直接紧固在不锈钢顶板上,使得不锈钢顶板在加热时可以更均匀地膨胀。

    Phonograph record illumination device and system
    9.
    发明授权
    Phonograph record illumination device and system 失效
    留声机录音照明装置及系统

    公开(公告)号:US4779170A

    公开(公告)日:1988-10-18

    申请号:US118655

    申请日:1987-11-09

    摘要: An illumination device (10) for a phonograph record (18) has a housing (14) and bolts (22) for attaching the housing (14) to a phonograph tone arm (12). A battery (26) in the housing (14) and a contact switch (32) on the housing are connected to activate a timing circuit (28) for supplying current from the battery (26) to a light emitting diode (30). The light emitting diode (30) is positioned to illuminate an area around point (36) that stylus (20) contacts the record for a predetermined of time after the contact switch (32) is closed.

    摘要翻译: 用于留声机记录(18)的照明装置(10)具有用于将外壳(14)附接到留声机音臂(12)的壳体(14)和螺栓(22)。 壳体(14)中的电池(26)和壳体上的接触开关(32)被连接以激活用于将电池(26)的电流提供给发光二极管(30)的定时电路(28)。 发光二极管(30)被定位成在接触开关(32)闭合之后预定时间点亮触针(20)周围的点(36)周围的区域。

    Method and apparatus for determining liquid absorption of aggregate
    10.
    发明申请
    Method and apparatus for determining liquid absorption of aggregate 有权
    测定骨料液吸收的方法和装置

    公开(公告)号:US20070028672A1

    公开(公告)日:2007-02-08

    申请号:US11333040

    申请日:2006-01-17

    IPC分类号: G01N5/02

    CPC分类号: G01N5/02 G01N21/4738

    摘要: A method of determining liquid absorption of an aggregate comprises providing a shaker apparatus, a vacuum source and a container; placing a sample of the aggregate in the container; adding liquid to the container sufficient to reach a calibration mark on the container; weighing the sample and liquid; mounting the container to the shaker apparatus; connecting the vacuum source to the container; agitating the sample and liquid with the shaker apparatus; applying a vacuum to the sample and liquid with the vacuum source; after the agitation and vacuum steps, adding liquid to the container sufficient to again reach the calibration mark on the container; again weighing the sample and liquid; and subtracting the initial weight of the sample and liquid from the final weight of the sample and liquid in order to determine the liquid absorption of the aggregate.

    摘要翻译: 确定聚集体的液体吸收的方法包括提供振动器装置,真空源和容器; 将集料样品放在容器中; 向容器中加入足以达到容器上校准标记的液体; 称量样品和液体; 将容器安装到振动器装置上; 将真空源连接到容器; 用振动器装置搅拌样品和液体; 用真空源对样品和液体施加真空; 在搅拌和真空步骤之后,向容器中加入足以再次达到容器上校准标记的液体; 再称重样品和液体; 并从样品和液体的最终重量中减去样品和液体的初始重量,以确定聚集体的液体吸收。