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    • 6. 发明授权
    • Method of automatically determining flaws of an object of examination
    • 自动确定检查对象缺陷的方法
    • US5329133A
    • 1994-07-12
    • US842182
    • 1992-03-20
    • Kenji UesugiMichihiro Shimada
    • Kenji UesugiMichihiro Shimada
    • G01N21/88G01N21/952G01R31/308
    • G01R31/308G01N21/88G01N21/952G01N2021/1782
    • In a method of automatically determining flaws of an object of examination according to the invention, rays of light are transmitted through on object of examination, while adjusting the depth of observation to make it agree with the focal length of a detected flaw, go down deeper than the focal length and come up shallower than the focal length and the brightness of transmitted light for each depth of observation is converted into a corresponding electric signal. Portions of the generated signal that are found outside a predetermined range of intensity are taken out as flaw signals and the obtained flaw signals are compared with a number of binarized flaw patterns prepared from various flaws that have been detected in advance to accurately determine the type, number and size of the detected flaws.
    • PCT No.PCT / JP91 / 00299 Sec。 371日期:1992年3月20日 102(e)1992年3月20日PCT PCT 1991年3月6日PCT公布。 出版物WO92 / 15864 日期:1992年9月17日。在根据本发明的自动确定检查对象的缺陷的方法中,光线通过检查对象传输,同时调整观察深度以使其与焦距 检测到的缺陷,比焦距更深,并且比焦距变浅,并且将每个观察深度的透射光的亮度转换成相应的电信号。 将发现在预定强度范围以外的发生信号的部分作为缺陷信号取出,并将获得的缺陷信号与从预先检测到的各种缺陷制备的多个二值化缺陷图案进行比较,以准确地确定类型, 检测到的缺陷的数量和大小。
    • 7. 发明授权
    • Process for producting coal fillers
    • 煤填料生产工艺
    • US4849021A
    • 1989-07-18
    • US196219
    • 1988-05-06
    • Masayuki NakaiKenji UesugiKatsumi Tomura
    • Masayuki NakaiKenji UesugiKatsumi Tomura
    • C01B31/02C09C1/44C09C1/48C09C1/56C09C1/58
    • C09C1/58C09C1/44C01P2004/61C01P2006/37
    • A process for producing coal fillers, which comprises the steps of:(a) carbonization step, which comprises carbonizing crushed coal particles having a particle size of not more than 10 mm and an ash content of not more than 10% by weight by thermal decomposition at a temperature of 500.degree. to 2,000.degree. C.; and cooling the carbonized solids;(b) ultrafine pulverization step, which comprises preparing a slurry of the carbonized solids having a solids content of 10 to 50% by weight by adding a dispersion medium to the carbonized solids; and ultrafinely pulverizing the carbonized solids dispersed in the slurry to reduce the average particle size to not more than 5 .mu.m;(c) agglomeration step, which comprises adjusting the solids content of the slurry to 1 to 20% by weight by further adding water to the slurry of the ultrafinely pulverized solids; adding an oil having a boiling point of not more than 150.degree. C. to the resulting slurry in a ratio of 30 to 300 parts by weight of the oil per 100 parts by weight of dry solids; agitating the resulting mixture to agglomerate the carbonaceous matters with oil; and separating and recovering the agglomerates; and(d) drying step, which comprises drying the recovered agglomerates by heating them at 50.degree. to 300.degree. C. to evaporate the water and oil retained in the agglomerates; and cooling the dried agglomerates.