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    • 2. 发明公开
    • Shelf assembly
    • 货架。
    • EP0102841A1
    • 1984-03-14
    • EP83305105.5
    • 1983-09-02
    • REPUBLIC STEEL CORPORATION
    • Smitley, Bruce Blaine
    • A47B57/20
    • A47B57/22Y10T403/4665Y10T403/7117
    • A shelf assembly including apparatus (22) for interlocking upright and transverse members (12, 14) without the need for separate fasteners or supplemental cross-bracing to achieve structural rigidity. The interlocking apparatus includes connectors formed near the ends of the transverse beams, each connector comprising a lug (40) spaced from a side panel (30) of the transverse member (14) by a keyed pedestal (42). The pedestal is defined by spaced lug supporting legs (44, 46), joined by a curved interconnecting wall (48). The uprights include pairs of apertures (22) each defined by an upper slot segment (50a) having a lug clearance notch (52) and a lower slot segment having a narrowing transverse dimension. The upright and transverse members are interlocked by inserting the connectors of a transverse beam into the upper slot segments (50a) and then moving the transverse beam downwardly so that the lug overlies a face (30b) of the upright and the keyed pedestal coengages the edges of the lower slot segment at three areas (62a, 62b, 62c) for a given length.
    • 3. 发明公开
    • METHOD AND APPARATUS FOR PIPE INSPECTION
    • 方法和设备控制管。
    • EP0045770A1
    • 1982-02-17
    • EP81900480.0
    • 1981-02-02
    • REPUBLIC STEEL CORPORATION
    • BRICKER, John K.MANDULA, Joseph Michael, Jr.
    • G01N29
    • G01N29/26
    • Systeme de montage servant a maintenir un transducteur (20) en contact avec un tuyau (12) pendant la verification. Le systeme est monte sur un cadre (32) qui est a son tour monte de maniere mobile sur une longueur de tuyau. Une premiere etape de la procedure de verification consiste a positionner le cadre (32) a une certaine distance du tuyau en fonction du diametre de celui-ci. Un chariot (34) couple au cadre est ensuite baisse a une position de balayage et le balayage est effectue au fur et a mesure que le cadre se deplace le long du tuyau. Un mecanisme de joint universel (36) servant a connecter le chariot au transducteur (20) permet des mouvements horizontaux et verticaux du transducteur, permettant ainsi un balayage en continu meme pour des tuyaux arques ou presentant d'autres irregularites sur leur longueur. Lorsque l'on arrive a l'extremite du tuyau, le chariot (34) est eloigne du tuyau (12) au moyen d'un mecanisme a ressort (154). Dans cette position retractee tout deplacement vers le bas du transducteur est empeche par un support a bille (146, 147) couple au transducteur et en contact avec une surface de support (149) du chariot. Le transducteur ne peut ainsi tomber de l'extremite du tuyau ni entrer en collision avec celle-ci ce qui permet d'eviter tout endommagement du transducteur et du montage.
    • 5. 发明授权
    • Nestable container for parts storage
    • 用于零件存储的可嵌套容器
    • US4534466A
    • 1985-08-13
    • US640246
    • 1984-08-13
    • Kenneth L. Wood
    • Kenneth L. Wood
    • B65D21/02B65D25/06B65D25/28
    • B65D21/0233
    • A nestable container is disclosed for use with automatic storage/retrieval systems. The container has a bottom wall and diverging side and end walls. The end walls have recessed areas integrally extending into the interior of the container. Engagement members are located completely within the recessed areas such that they do not protrude beyond a plane defined by the major portion of the end walls. An automatic storage/retrieval system engages the engagement member for the purposes of moving the container. The diverging side and end walls and the inboard engagement members make stacking of containers of the same size and dimensions possible. The side walls have recessed areas spaced from the bottom wall and extending into the interior of the container. The side wall recessed areas define a nesting stop to prevent similar containers from nesting too tight when stacked therein.
    • 公开了一种用于自动存储/检索系统的可嵌套容器。 容器具有底壁和发散侧面和端壁。 端壁具有一体地延伸到容器内部的凹陷区域。 接合构件完全位于凹进区域内,使得它们不会突出超过由端壁的主要部分限定的平面。 为了移动容器,自动存储/取出系统与接合构件接合。 发散侧和端壁和内侧接合构件使得能够堆叠相同尺寸和尺寸的容器。 侧壁具有与底壁间隔开并延伸到容器内部的凹陷区域。 侧壁凹入区域限定了嵌套止动件,以防止类似的容器在堆叠时过于嵌套。
    • 7. 发明授权
    • Cooling method and apparatus for eddy current flaw detection
    • 用于涡流探伤的冷却方法和装置
    • US4461995A
    • 1984-07-24
    • US316316
    • 1981-10-29
    • Richard M. Harris
    • Richard M. Harris
    • G01N27/90G01R33/12
    • G01N27/9006Y10S165/903
    • An eddy current system and method is disclosed for detecting flaws in hot pipe product. The system includes a detector test head (22) having a heat shield (24) defining a generally cylindrical inner wall through which the pipe passes longitudinally. The test head includes structure (50, 62, 64) for spirally directing water onto the inside surface without contacting the hot pipe as it passes through the heat shield. Debris is thereby removed from the space between the shield and the pipe, and the test head is effectively cooled and shielded from the heat of the pipe. Where the pipe is heated above its Curie temperature, such that the pipe is rendered non-magnetic, no normally required saturation coil is needed to magnetically saturate the pipe for eddy current testing, because the coolant flowing over the inner wall cools the test head but does not lower pipe temperature below the Curie point.
    • 公开了一种用于检测热管产品缺陷的涡流系统和方法。 该系统包括检测器测试头(22),该检测器测试头(22)具有限定大体上圆柱形的内壁的隔热罩(24),管道通过该外壁纵向延伸。 测试头包括用于将水螺旋地引导到内表面上的结构(50,62,64),而不在热管通过隔热罩时接触热管。 因此,从屏蔽和管道之间的空间去除碎屑,并且有效地冷却和测试测试头与管道的热量。 在管道被加热到高于其居里温度的情况下,使得管道变得非磁性,不需要通常需要的饱和线圈来使管道磁饱和以进行涡流测试,因为流过内壁的冷却剂冷却测试头,但是 不会将管道温度降低到居里点以下。
    • 9. 发明授权
    • Eddy current surface flaw detection employing signal correlation
    • 使用信号相关的涡流表面探伤
    • US4355281A
    • 1982-10-19
    • US66387
    • 1979-08-14
    • James M. TothTyler W. Judd
    • James M. TothTyler W. Judd
    • G01N27/90G01N27/72G01N27/82G01R33/12
    • G01N27/9046G01N27/904
    • An eddy current flaw detection system for inspecting a workpiece for surface flaws is described. The system has a search unit for mounting a pair of eddy current search coils in close proximity to a workpiece at locations which are longitudinally spaced with respect to the workpiece. The system is disclosed in the environment of a workpiece support and transport mechanism which causes a workpiece to rotate and move axially with respect to the search unit.Coil energizing and detection circuitry is provided having a pair of eddy current channels. Each channel energizes a connected one of the search coils to induce eddy currents within a workpiece at slightly different energization frequencies. Each channel has an output for producing signals indicating the presence and severity of detected flaws. The coil energization at different frequencies results in each coil responding to self induced eddy currents rather than currents induced by the other of the two coils.Processing circuitry is provided having a pair of inputs each connected to a respective eddy current channel output. The processing circuitry algebraically multiplies concurrently received eddy current channel output signals to produce a resultant signal. The disclosed signal correlation circuitry will not process a signal from a single coil. Accordingly, the axial separation of the search coils establishes a minimum length of surface flaw which will be detected. The value of the resultant signal indicates the severity of the detected surface flaw.
    • 描述了用于检查工件表面缺陷的涡流探伤系统。 该系统具有搜索单元,用于在相对于工件纵向间隔开的位置处将一对涡流搜索线圈安装在工件附近。 该系统在工件支撑和运输机构的环境中被公开,其使工件相对于搜索单元旋转并且轴向移动。 提供具有一对涡流通道的线圈通电和检测电路。 每个通道激励连接的一个搜索线圈,以在稍微不同的通电频率下在工件内感应涡流。 每个通道具有用于产生指示检测到的缺陷的存在和严重性的信号的输出。 不同频率的线圈通电导致每个线圈响应于自感应涡流,而不是由两个线圈中的另一个引起的电流。 提供具有一对输入的处理电路,每个输入连接到相应的涡流通道输出。 处理电路代数地乘以并行接收的涡流通道输出信号以产生合成信号。 所公开的信号相关电路将不处理来自单个线圈的信号。 因此,搜索线圈的轴向分离建立将被检测到的表面缺陷的最小长度。 所得信号的值表示检测到的表面缺陷的严重性。