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    • 1. 发明授权
    • Method and apparatus for judging quality of spot weld
    • 点焊质量的方法和装置
    • US4005307A
    • 1977-01-25
    • US583252
    • 1975-06-03
    • Yukio TamuraYoshikazu TanakaSatoshi KuroiwaMikiji Suzuki
    • Yukio TamuraYoshikazu TanakaSatoshi KuroiwaMikiji Suzuki
    • B23K11/25B23K11/24
    • B23K11/253
    • A resistance spot welding method and apparatus wherein a weld can be judged to have an acceptable strength whether a splash (expulsion of weld metal) has occurred or not, provided that a maximum displacement (M) of a movable electrode to a fixed one is larger than a certain predetermined reference value (M.sub.L) or a rate (R) of the displacement at an initial stage is larger than a certain predetermined reference value (R.sub.L) which is defined between two certain predetermined reference values (R.sub.1, R.sub.E), by sensing the displacement and the rate thereof. Furthermore, when necessary, a weld is judged to have an acceptable indentation (I), as well, by sensing a position of the electrode at a specific point of time when a predetermined holding time has elasped from the time of de-energization of the welding current. Thus reliability of a spot welded joint is much improved and costly rejection of a welded product is considerably reduced.
    • 一种电阻点焊方法和装置,其中,如果可移动电极与固定电极的最大位移(M)较大,则可以判定焊缝是否发生溅射(焊接金属的排出),具有可接受的强度 比初始阶段的位移的某个预定参考值(ML)或速率(R)大于在两个某些预定参考值(R1,RE)之间定义的某个预定参考值(RL),通过感测 位移和速率。 此外,当需要时,也可以通过在从断开时断开时起预定的保持时间的特定时间点检测电极的位置,判定焊缝具有可接受的压痕(I) 焊接电流。 因此,点焊接头的可靠性大大提高,并且大大降低了焊接产品的昂贵的排除。
    • 3. 发明授权
    • Process for injection molding and apparatus therefor
    • 注射成型方法及其设备
    • US5478520A
    • 1995-12-26
    • US321476
    • 1994-10-11
    • Masayoshi KasaiHideo KurodaYukio TamuraYoshio ShikaseKouji Kubota
    • Masayoshi KasaiHideo KurodaYukio TamuraYoshio ShikaseKouji Kubota
    • B29C45/17B29C45/20B29C45/56B29C45/72B29C45/77B29C45/78B29C45/23
    • B29C45/17B29C45/20B29C45/561B29C45/72B29C45/77B29C45/78B29C2045/0098B29C2045/5615
    • A process and apparatus for effecting injection molding of plastic resin products on an injection molding apparatus including a metal mold composed of a slidable mold element and a fixed mold element defining together the mold cavity, an actuator for sliding the slidable mold element and an injection nozzle for adjusting the nozzle flow path section, which comprises a first molding step of injecting a molten resin into the mold cavity which has been preset by the slidable mold element so as to include a post-compression margin to be compressed afterwards in a second molding step, to effect the injection under a reduced molding pressure, while causing a temperature elevation and, thus, a viscosity reduction of the molten resin, until the mold cavity has been filled up, and a second molding step of compressing the resin so charged in the mold cavity by operating the slidable mold element to compress the charged resin to compensate the post-compression margin, so as to allow an effective pressing force to be imposed onto the charged resin within the mold cavity also after the gate has been sealed.
    • 一种用于在塑料树脂产品上进行注射成型的方法和装置,该注射成型装置包括由可滑动的模具元件和限定模具腔的模具元件组成的金属模具,用于滑动可滑动模具元件的致动器和注射喷嘴 用于调节喷嘴流路部分,其包括将熔融树脂注入到由可滑动模具元件预设的模腔中的第一模制步骤,以便在第二模制步骤中包括后压缩边缘以被压缩 在降低的成型压力下进行注射,同时引起熔融树脂的温度升高,从而降低熔融树脂,直到模腔被填满,并且第二模制步骤将如此填充的树脂压缩 通过操作可滑动模具元件来压缩带电树脂以补偿后压缩边缘,从而允许有效的模腔 也可以在门被密封之后施加在模腔内的带电树脂上的压力。
    • 4. 发明授权
    • Apparatus for carrying selected article to take-out window in automatic vending machine
    • 用于携带所选物品的自动售货机的出纸窗口的装置
    • US06415952B1
    • 2002-07-09
    • US09562444
    • 2000-05-01
    • Yuji OhtukaYukio Tamura
    • Yuji OhtukaYukio Tamura
    • B65G5900
    • G07F11/165G07F11/10G07F11/16
    • A plurality of article-storing columns, each of which stores therein various kinds of articles piled up and being different from others, are arranged within a machine in row and column directions. At the lower part of each of these article-storing columns, an article-push-out means for pushing out an article at the lowest layer, respectively. A movable article-picking-up means which operates for the article-push-out means of each of the article-storing columns at position opposite to it is provided. The article pushed out by the movement of the article-push-out means actuated by the article-picking-up means is taken into the article-picking-up means and carried to a article-take-out unit of the machine. Further, a plurality of article-storing columns, each of which stores therein various kinds of articles piled up and being different from others, are arranged within a machine in row and column directions. An article-picking-up means, which takes in an article in each of the article-storing columns at the position opposite to it, is provided in a state being able to move in a perpendicular direction Y and in a horizontal direction X by a first and a second transfer means. The article taken into the article-picking-up means is carried to a article-take-out unit of the machine.
    • 在行和列方向上的机器内配置有多个存放有各种堆积物并且与其他物品不同的物品的各种物品收纳栏。 在这些物品收纳塔的每一个的下部,分别推出最下层的物品的物品推出装置。 提供了一种可移动物品拾取装置,用于在与其相对的位置处对每个物品存放列的物品推出装置进行操作。 通过由物品拾取装置启动的物品推出装置的移动推动的物品被带入物品拾起装置中并被运送到机器的取出单元。 此外,在行和列方向上的机器内布置有多个存储有各种堆积物并且与其他物品不同的物品存放栏。 在与其相对的位置处在每个物品收纳列中的物品中的物品拾取装置设置在能够在垂直方向Y上并且在水平方向X上移动的状态 第一和第二传送装置。 将进入物品拾取装置的物品运送到机器的取出单元。
    • 5. 发明授权
    • Control circuit of transportable crusher
    • 运输破碎机控制回路
    • US6119967A
    • 2000-09-19
    • US945864
    • 1997-11-30
    • Toru NakayamaYukio TamuraToshio KitaniSatoru KoyanagiYuji OzawaYoshimitsu YuzawaKatsuhiro IkegamiMikihisa Takiguchi
    • Toru NakayamaYukio TamuraToshio KitaniSatoru KoyanagiYuji OzawaYoshimitsu YuzawaKatsuhiro IkegamiMikihisa Takiguchi
    • F15B11/00B02C18/00B02C21/02B02C25/00E02F9/22F15B11/05F15B11/16
    • E02F9/2228B02C21/02B02C25/00E02F9/2235
    • A control circuit of a transportable crusher supplies, by the same pump, a required flow rate to hydraulic motors and actuators for a plurality of operating devices having different loads and improves simultaneous operability, fine adjustment, and reproducibility. The control circuit includes at least one variable displacement hydraulic pump (1) for supplying a hydraulic fluid; switch valves (12, 13, 14, 15, 16, 17, 18, 19, 20, 21), for conducting and interrupting the hydraulic fluid from the hydraulic pump (1) to the hydraulic motors and actuators (25a, 26a, 27a, 28a, 29a, 30a, 31a, 32a, 33a, 34a); pressure compensation control valves (11), for inputting front and back pressures of the switch valves, for controlling a discharge flow rate of the hydraulic pump (1) so that the difference of the front and back pressures can become constant and for distributing the discharge flow rate in accordance with a required power of the respective hydraulic motors and actuators or in accordance with a predetermined priority when the switch valves are simultaneously operated; and a controller (41), for controlling the switch valves to a predetermined value set in accordance with the load of the hydraulic motors and actuators.
    • PCT No.PCT / JP96 / 01201 Sec。 371日期:1997年11月30日 102(e)日期1997年11月30日PCT提交1996年5月1日PCT公布。 公开号WO96 / 34690 日期:1996年11月7日可运输破碎机的控制回路通过相同的泵向具有不同负载的多个操作装置的液压马达和执行机构提供所需的流量,并且提高了同时的可操作性,精细调整和再现性。 控制回路包括用于供给液压流体的至少一个可变排量液压泵(1) 开关阀(12,13,14,15,16,17,18,19,20,21),用于将液压油从液压泵(1)传导到液压马达和致动器(25a,26a,27a) ,28a,29a,30a,31a,32a,33a,34a); 压力补偿控制阀(11),用于输入开关阀的前后压力,用于控制液压泵(1)的排出流量,使得前后压力的差异变得恒定,并且用于分配排出 流量根据各个液压马达和致动器的所需功率,或者当切换阀同时操作时,根据预定优先级; 以及控制器(41),用于根据液压马达和致动器的负载将开关阀控制到预定值。
    • 6. 发明授权
    • Self-propelled crushing machine
    • 自走式破碎机
    • US5622322A
    • 1997-04-22
    • US387895
    • 1995-02-21
    • Yukio TamuraYasutaka Nishida
    • Yukio TamuraYasutaka Nishida
    • B02C21/02B02C13/286
    • B02C21/026
    • A self-propelling crushing machine is constructed by mounting a hopper (11) and a crusher (8) connected to said hopper on a vehicle body (1) having a traveling device (19), wherein a bottom plate (51) of said hopper (11) is designed for reciprocal motion in a horizontal direction relative to a charge inlet (8b) of said crusher. The bottom plate (51) receives an object of crush and then feeds into the charge inlet (8b) of the crusher (8) by reciprocal motion of the bottom plate to drop into the latter. Therefore, even when the weight of the object of crush or the charge amount of the object of crush into the hopper fluctuates, a substantially constant amount of object of crush can be fed into the crusher.
    • PCT No.PCT / JP93 / 01312 Sec。 371日期1995年2月21日 102(e)1995年2月21日PCT PCT 1993年9月14日PCT公布。 第WO94 / 06561号公报 日期:1994年3月31日自推进破碎机是通过将与料斗连接的料斗(11)和破碎机(8)安装在具有行进装置(19)的车体(1)上而构成的,其中底板( 所述料斗(11)的液压泵(51)51被设计成相对于所述破碎机的进料口(8b)沿水平方向往复运动。 底板(51)接收挤压物体,然后通过底板往复运动而进入破碎机(8)的进料口(8b)。 因此,即使挤压对象物的重量或粉碎物料的装料量发生波动,也可以将大致恒定量的粉碎物投入到破碎机中。
    • 7. 发明授权
    • Automatic tool exchanger
    • 自动换刀
    • US5439434A
    • 1995-08-08
    • US238891
    • 1994-05-06
    • Kyuichi SatoYukio Tamura
    • Kyuichi SatoYukio Tamura
    • B23Q3/157B23Q3/155
    • B23Q3/1554Y10T483/10Y10T483/1764Y10T483/1776Y10T483/1786
    • A simple and efficient tool exchanger device is presented. The device has a pair of swing arms (8, 9), and each swing arm is provided with a set of grippers (11, 12) for holding a tool bit. The positions of the swing arms (8, 9) are separated by 90 degree so that they will not interfere with each other during the swinging motion. One driving device (2) is provided to operate both swing arms (8, 9) and operate the gripper devices (11, 12). The swing arm (8) rotates upwards to remove a used tool bit (10) from the machining shaft (21) of a machining center and the other swing arm (9) is rotated downwards to install a new tool bit (10') in the vacated machining shaft in a single simultaneous step.
    • 提出了一种简单高效的换刀装置。 该装置具有一对摆臂(8,9),并且每个摆臂设置有用于保持工具头的一组夹具(11,12)。 摆臂(8,9)的位置被分开90度,使得它们在摆动期间不会相互干扰。 提供一个驱动装置(2)以操作两个摆臂(8,9)并操作夹持装置(11,12)。 摆臂(8)向上旋转以从加工中心的加工轴(21)移除用过的工具头(10),而另一个摆臂(9)向下转动以将新的工具刀头(10')安装在 空出的加工轴在单一的同步步骤。
    • 10. 发明授权
    • Self-propelled crushing machine
    • 自走式破碎机
    • US5580004A
    • 1996-12-03
    • US501078
    • 1995-08-04
    • Yukio TamuraSatoru KoyanagiYasutaka NishidaToru NakayamaMasaho Yamaguchi
    • Yukio TamuraSatoru KoyanagiYasutaka NishidaToru NakayamaMasaho Yamaguchi
    • B02C21/02B02C1/00
    • B02C21/02
    • When objects of crushing are clogged between a bottom plate and a crusher, a locking of the bottom plate that may ensue is automatically released in a self-propelled crushing machine. The machine comprises a feeder hydraulic motor (54) for reciprocating the bottom plate of a hopper and a feeder valve (50) for supplying a first port (54a) and a second port (54b) of the feeder hydraulic motor (54) with a pressurized discharged fluid from a hydraulic pump. The feeder valve (50) takes a first position (B) upon a first solenoid (55) thereof being electrically energized and takes a second position (C) upon a second solenoid (56) thereof being electrically energized. a keep relay (59) electrically energizes the first solenoid (55) and the second solenoid (56) by passing an electric current through each of them, and a first pressure switch (57) and a second pressure switch (58) are turned on when a pressure of the first port (54a) and a pressure of the second port (54b) exceeds a set pressure, respectively. The first pressure switch (57) and the second pressure switch (58) and the keep relay (59) are connected so that when the first pressure switch (57) or the second pressure switch 58) is turned on, an electric current can be passed through the first solenoid (55) or the second solenoid (56).
    • PCT No.PCT / JP94 / 00298 Sec。 371日期:1995年8月4日 102(e)日期1995年8月4日PCT 1994年2月24日PCT PCT。 WO94 / 19107 PCT出版物 日期1994年9月1日当破碎物体在底板和破碎机之间堵塞时,可能会发生的底板的锁定在自推进破碎机中自动释放。 该机器包括用于使漏斗的底板往复运动的给料液压马达54和用于向进料液压马达54提供第一端口54a和第二端口54b的进料阀50。 从液压泵加压排出的液体。 供给阀(50)在其第一螺线管(55)被激励时采取第一位置(B),并且在其第二螺线管(56)被电通电时采取第二位置(C)。 保持继电器(59)通过使电流通过其中的每一个而使第一螺线管(55)和第二螺线管(56)电通电,并且第一压力开关(57)和第二压力开关(58)被接通 当第一端口(54a)的压力和第二端口(54b)的压力分别超过设定压力时。 连接第一压力开关57和第二压力开关58以及保持继电器59,使得当第一压力开关57或第二压力开关58接通时,电流可以是 通过第一螺线管(55)或第二螺线管(56)。