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    • 4. 发明授权
    • Method of stirring molten metal and refractory cylinder for the purpose
    • 用于搅拌熔融金属和耐火材料缸的方法
    • US4452634A
    • 1984-06-05
    • US437514
    • 1982-10-29
    • Yukio OguchiNorio SumidaTetsuya FujiiToshihiko EmiToshio FujimuraArata Ueda
    • Yukio OguchiNorio SumidaTetsuya FujiiToshihiko EmiToshio FujimuraArata Ueda
    • B01F5/10B01F11/00C21C7/00C21C7/10C22B9/02C22B21/00F27D27/00C22B9/00
    • F27D27/00B01F11/0071B01F11/0074B01F5/10C21C7/0037C21C7/10C22B21/0084C22B9/02F27D27/007Y02P10/234
    • A method of stirring molten metal by repeatedly sucking and rapidly discharging part of the molten metal into and out of a refractory cylinder having a lower opening end immersed in the molten metal in a ladle, comprises operating the stirring under a condition that an inner diameter (d) of the refractory cylinder is less than 1,000 mm, a relation between the inner diameter (d, mm) of the refractory cylinder and weight (W, ton) of the molten metal in the ladle is d/W.sup.0.5 >30, and an immersed depth of the refractory cylinder is within 200-700 mm. A pressurized gas for discharging the sucked molten metal out of the cylinder is introduced thereinto in an inclined direction relative to a vertical line against a point on an opposite inner wall of the cylinder at least 500 mm above the maximum suction level of the molten metal in the cylinder.A refractory cylinder operated in the above manner according to the invention comprises a flange connection between an uppermost and an intermediate cylinder parts of the cylinder at a location higher than the maximum suction height of the molten metal and a further flange connection between the intermediate cylinder part and a lowermost cylinder part. The refractory cylinder comprises at its immersed end a flow restricting opening to obtain more strong stirring the molten metal.
    • 通过将熔融金属的一部分反复吸入并快速排出浸入熔融金属中的较低开口端的耐火圆筒放入钢包中来搅拌熔融金属的方法包括在内径( 耐火材料圆筒的d)小于1000mm,钢包中熔融金属的重量(W,ton)之间的关系为d / W0.5> 30, 耐火材料缸的浸入深度在200-700mm之内。 用于将吸出的熔融金属从气缸中排出的加压气体相对于垂直线倾斜的方向被引入到相对于气缸的相对的内壁上的点上方的熔融金属的最大吸入水平以上至少500mm 气瓶。 按照本发明以上述方式操作的耐火材料圆筒包括在高于熔融金属的最大吸入高度的位置处的气缸的最上部和中间气缸部分之间的凸缘连接,以及中间气缸部分 和最下面的气缸部分。 耐火材料缸在其浸入端包括流动限制开口以获得更强烈的搅拌熔融金属。
    • 8. 发明授权
    • Apparatus for writing and using embroidery information on magnetic tape
    • 用于在磁带上书写和使用刺绣信息的装置
    • US4290375A
    • 1981-09-22
    • US81321
    • 1979-10-03
    • Yoshinobu TonomuraToshio FujimuraMasanori HaraHideaki Takenoya
    • Yoshinobu TonomuraToshio FujimuraMasanori HaraHideaki Takenoya
    • D05B21/00
    • D05B21/00
    • An automatic embroidery machine is driven by information recorded on magnetic tape and utilizes a fixed sewing machine and a movable embroidery frame. An input apparatus registers user-selected points on a coordinate analysis panel, which points form embroidery patterns to be sewn, and causes embroidery information to be recorded upon magnetic tape for subsequent use in the automatic embroidery machine. The automatic embroidery machine and the input apparatus are so designed that after a continuous part of an embroidery pattern has been sewn, the embroidery frame will be moved to a next continuous part of a pattern and the automatic embroidering machine will stop, providing an opportunity for a user to change thread. The automatic embroidering machine cannot be restarted unless the user operates a controller, ensuring safe operation.The automatic embroidery machine is provided with a temporary memory, into which embroidery information is written while the magnetic tape is being read, and from which embroidery information is read out while the automatic embroidering machine is embroidering patterns. The input apparatus is so designed that when an amount of embroidery information corresponding to the predetermined capacity of the temporary memory has been recorded on the magnetic tape, a blank signal is next recorded thereon. The magnetic tape is repeatedly started and stopped, so that embroidery information is transferred in packets into and out of the temporary memory. This operation allows temporary memory capacity to be minimized, reducing cost.
    • 自动绣花机由记录在磁带上的信息驱动,并使用固定缝纫机和可移动绣花框架。 输入装置将用户选择的点记录在坐标分析面板上,该点指向要缝制的绣花图案,并且将刺绣信息记录在磁带上以供随后在自动绣花机中使用。 自动绣花机和输入装置的设计使得在绣花图案的连续部分被缝合之后,刺绣框架将移动到图案的下一个连续部分,自动绣花机将停止,为 用户更改线程。 除非用户操作控制器,否则无法重新启动自动绣花机,确保安全操作。 自动绣花机设有一个临时存储器,在读取磁带的同时写入刺绣信息,并且在自动绣花机绣花图案的同时从中读出刺绣信息。 该输入装置被设计成当与临时存储器的预定容量相对应的刺绣信息的数量已被记录在磁带上时,下一个记录空白信号。 磁带被重复地启动和停止,使得刺绣信息被分组传送到临时存储器中和从临时存储器传出。 该操作允许临时存储器容量最小化,从而降低成本。