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1. 发明专利

JPS6373088A METHOD OF DETECTING QUANTITY OF WEAR OF REFRACTORY MATERIAL OR COOLANT 失效
公开(公告)号：JPS6373088A
公开(公告)日：1988-04-02
申请号：JP21519486
申请日：1986-09-12
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： MURATA MITSUO , SATO AKIRA , MOROTOMI MASAAKI
IPC分类号： C21B7/24 , F27D1/00 , G01B17/02

2. 发明专利

JPS61293602A ROLLING METHOD FOR SEAMLESS PIPE BY GUIDE SHOE TOOL APPLIED WITH OSCILLATION 失效
公开(公告)号：JPS61293602A
公开(公告)日：1986-12-24
申请号：JP13313585
申请日：1985-06-20
申请人： NIPPON STEEL CORP
发明人： MURATA MITSUO , ARATA HIROTO , SUZUKI HIDEO
IPC分类号： B21B25/00 , B21B11/00 , B21B19/04
摘要： PURPOSE:To increase the number of pipes to be rolled by a guide shoe tool for rolling by partly decreasing the thickness in the sliding part of the guide shoe tool and oscillating said part thereby decreasing the friction of the sliding part, suppressing the generation of friction heat and preventing the seizure therein. CONSTITUTION:The guide shoe tool 1 is oscillated by an oscillator 2 to decrease the coefft. of friction between a blank material to be rolled for a seamless pipe and the sliding part of the tool 1. The sliding part of the guide shoe is partly 3 decreased in thickness to permit the more efficient oscillation. The generation of the friction heat is thereby decreased and the seizure is prevented. The number of the pipes to be rolled by the guide shoe is considerably increased.

3. 发明专利

JPS61209740A STRAIN GIVING DEVICE ONTO STEEL PLATE SURFACE 失效
公开(公告)号：JPS61209740A
公开(公告)日：1986-09-18
申请号：JP6075586
申请日：1986-03-20
申请人： NIPPON STEEL CORP
发明人： SASAKI EIJI , MURATA MITSUO
IPC分类号： B21D13/04 , B21H8/02 , C21D7/04 , C21D8/12 , C21D9/46
摘要： PURPOSE:To give efficiently a linear small strain on the surface of a steel plate without stopping of the steel plate by providing in opposition a press roll to the strain giving roll which forms a spiral projection part on the peripheral face and by moving the steel plate between both rolls or driving the press roll. CONSTITUTION:A strain giving roll 3 is composed of a bar shaped body 1 and by forming a spiral projection part 2 on the surface thereof. The spiral projection part 2 is constrained as per the following: (1) The winding direction of twist may be either the right or left and may be the combination of the right and left directions. (2) The pitch in twist is made by the prescribed range value according to the necessity. (3) The twist crest shape may be in any shape if causing no flaws on the surface of the steel plate. (4) The angle of twist may be optional if being the value within the presribed range. The material of the bar like body employs an iron, aluminum and hard plastics. The strain giving roller 3 is oppositely provided on the press roll 4. A continuous linear small strain is given on the surface of the steel plate 5 when it is spread be tween both rolls and passed at fixed speed and the strain giving roll 3 is subjected to adequate rolling reduction.

4. 发明专利

JPS59197366A Controlling method of amplitude for continuous casting mold 失效
标题翻译：连续铸造模具的控制方法
公开(公告)号：JPS59197366A
公开(公告)日：1984-11-08
申请号：JP7217983
申请日：1983-04-26
申请人： Nippon Steel Corp
发明人： MURATA MITSUO , OSADA JIYUNICHI , SHIO KIYOMI
IPC分类号： B22D11/053 , B22D11/16
CPC分类号： B22D11/166 , B22D11/053
摘要： PURPOSE:To control exactly the amplitude in follow-up to the fluctuation in operating conditions by detecting the mold temp. near the stationary melt surface of a molten metal, determining an optimum frequency from the equation indicating the correlation between the detected temp. and the frequency and controlling an excitation frequency. CONSTITUTION:The part near the stationary molten metal surface on the long side 1 of a casting mold is thin-walled and a thermocouple 21 is embedded therein. The temp. T detected by the thermocouple 21 is amplified with an amplifier 22 and is then processed by an envelope processing circuit 23, then the optimum frequency f0 (T) at said temp. T is calculated by an arithmetic circuit 24 according to the equation f0 (T)=15.35-0.15T [where f0 (T) is the optimum frequency (KHz) at the temp. T deg.C] and is outputted as the set signal for a transmitter 7. An ultrasonic oscillator 6 is excited by the transmitter 7.
摘要翻译：目的：通过检测模具温度来精确控制操作条件波动的跟踪幅度。在熔融金属的固定熔融表面附近，从表示检测到的温度之间的相关性的方程式确定最佳频率。频率和控制激励频率。构成：铸模长边1上的固定熔融金属表面附近的部分是薄壁的，热电偶21嵌入其中。温度由放大器22放大由热电偶21检测出的T，然后由包络处理电路23进行处理，然后在所述温度下进行最佳频率f0（T）。 T由运算电路24根据等式f0（T）= 15.35-0.15T [其中f0（T）是温度下的最佳频率（KHz））来计算。 T]，作为发送机7的设定信号输出。超声波振荡器6被发送机7激励。

5. 发明专利

JPS59197351A Method for preventing erosion damage of ultrasonically oscillating mold 失效
标题翻译：防止超声振荡模具腐蚀损伤的方法
公开(公告)号：JPS59197351A
公开(公告)日：1984-11-08
申请号：JP6921883
申请日：1983-04-21
申请人： Nippon Steel Corp
发明人： MITSUYOSHI YASUHIKO , TANIGUCHI YASUYUKI , SHIO KIYOMI , MURATA MITSUO
IPC分类号： B22D11/04 , B22D11/053 , B22D11/055 , B22D11/059
CPC分类号： B22D11/059
摘要： PURPOSE:To prevent erosion damage by sticking a cushion material formed of a specific material having a specific thickness on the end face of each deformation-preventing die projecting to the inner side of water cooling chambers from the outside wall. CONSTITUTION:An ultrasonically oscillating mold has water-cooling chambers 3, and the inside wall 2 which is in contact with a molten steel is formed by using Cu or a Cu alloy. A cushion material 8 is adhered to the end face of each deformation-preventing die 4 projecting from the outside wall 1 thereof to the inner side 5 of the water-cooling chambers to pack the space between the dice 4 and the wall 2. Any one kind among polyurethane, fluororubber, silicone rubber and polyamide resin is used for the material 8 and is made to 0.1-20mm. thickness.
摘要翻译：目的：通过将由具有特定厚度的特定材料形成的缓冲材料粘贴在每个变形防止模具的端面上，从外壁向水冷却室的内侧突出来防止侵蚀损坏。构成：超声振荡模具具有水冷室3，并且通过使用Cu或Cu合金形成与钢水接触的内壁2。缓冲材料8粘附到每个防变形模具4的从其外壁1突出到水冷室的内侧5的端面以封装骰子4和壁2之间的空间。任何一个在聚氨酯，氟橡胶，硅橡胶和聚酰胺树脂中用于材料8，并制成0.1-20mm。厚度。

6. 发明专利

JPS59197350A Continuous casting mold 失效
标题翻译：连续铸造模具
公开(公告)号：JPS59197350A
公开(公告)日：1984-11-08
申请号：JP6916383
申请日：1983-04-21
申请人： Nippon Steel Corp
发明人： MURATA MITSUO , HIRAMOTO KIYOHARU , WADA KANAME
IPC分类号： B22D11/04 , B22D11/053 , B22D11/055
摘要： PURPOSE: To prevent seizure between a casting mold and a billet by forming a thin-walled part on the wall surface of the casting mold near the meniscus of a molten metal and providing a hammering mechanism which applies impulsive waves to the thin walled part.
CONSTITUTION: A thin walled part 12 is made on the wall surface of a casting mold near the meniscus of a molten metal in said mold and a water cooling box 14 is connected to the rear thereof. Hammers 20, 20' are installed on the outside of the short sides 2, 2' of the box 14 and on the side opposite to the box 14. When the part 12 is struck with the hammers 20, 20', impulsive waves 22, 22' are generated and propagate radially around the hammering points in the part 12. The oscillation is thus generated in the direction perpendicular to the casting direction, by which the seizure between the mold and the billet is prevented.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：通过在熔融金属弯液面附近的铸模壁表面上形成薄壁部分，防止铸模与钢坯之间的咬合，并提供对薄壁部分施加冲击波的锤击机构。构成：在模具的熔融金属的弯液面附近的铸模的壁面上形成有薄壁部12，水冷箱14与其后部连接。锤20,20'安装在箱14的短边2,2'的外侧，并且与箱14相反的一侧安装。当部件12与锤20,20'，冲击波22相撞时， 22'产生并在部件12中的锤击点周围径向传播。因此，在与铸造方向垂直的方向上产生振动，由此防止了模具和坯料之间的咬合。

7. 发明专利

JPS5933059B2 JPS5933059B2 - 失效
公开(公告)号：JPS5933059B2
公开(公告)日：1984-08-13
申请号：JP8659079
申请日：1979-07-09
申请人： Nippon Steel Corp
发明人： OOGUCHI SHIGERU , MURATA MITSUO , OOTA MITSUHIRO , IWATA SUNAO
IPC分类号： B22D11/04 , B22D11/053 , B22D11/055 , B22D11/07

8. 发明专利

JPS5928652A Method and device for magnetic particle inspection 失效
标题翻译：磁性粒子检测方法及装置
公开(公告)号：JPS5928652A
公开(公告)日：1984-02-15
申请号：JP13840682
申请日：1982-08-11
申请人： Nippon Steel Corp
发明人： FUJIWARA KAZUHIKO , MURATA MITSUO , NAKAMURA TETSUO
IPC分类号： G01N27/84
CPC分类号： G01N27/84
摘要： PURPOSE:To detect the size and position of a defect with good accuracy, by making beforehand a calibration curve from the relation between the current value when a magnetic particle pattern begins to appear and magnetization frequencies in accordance with the positions and sizes of the defect parts of various materials to be examined, and collating the relation curve determined from the current value when the magnetic particle pattern appears in an unknown material to be examined and plural magnetization frequencies with the calibration curve. CONSTITUTION:A magnetizer 6 is placed on a material 7 to be examined wherein the position tu and size tg of a defect are beforehand confirmed. AC is then applied to a variable frequency generator 8, and the current value is regulated and set with a current regulator 8-2 until the pattern of the iron particles sprayed on the defect part for indicating the defect appears. The frequency is successively changed with a frequency regulator 8-1 and the characteristic of the current at which the defect pattern begins to appear is beforehand determined as a calibration curve. A magnetizer 6 is placed on the material 7 and the characteristic of the current at which the pattern of the iron particle indicating the defect appears with respect to the frequencies is detected. When said characteristic is collated with the calibration curve, the position tu and size tg of the defect are determined.
摘要翻译：目的：通过从磁性粒子图案开始出现的当前值与根据缺陷部位的位置和大小的磁化频率之间的关系预先设定校准曲线，以高精度检测缺陷的尺寸和位置并且当磁性粒子图案出现在待检查的未知材料中时，根据当前值确定的关系曲线和具有校准曲线的多个磁化频率进行对照。构成：预先确认缺陷的位置tu和尺寸tg，将磁化器6放置在要检查的材料7上。然后将AC施加到可变频率发生器8，并且用电流调节器8-2调节和设置电流值，直到出现喷射在缺陷部分上的铁颗粒的图案以指示缺陷。频率用频率调节器8-1依次变化，预先确定缺陷图形开始出现的电流的特性作为校准曲线。磁化器6被放置在材料7上，并且检测到相对于频率出现指示缺陷的铁颗粒的图案的电流的特性。当所述特征与校正曲线对照时，确定缺陷的位置tu和尺寸tg。

9. 发明专利

JPS5611152A MOLD FOR CONTINUOUS CASTING OF METAL 失效
公开(公告)号：JPS5611152A
公开(公告)日：1981-02-04
申请号：JP8658679
申请日：1979-07-09
申请人： NIPPON STEEL CORP
发明人： SAEKI TAKESHI , KAWASHIMA KATSUHIRO , MURATA MITSUO , OOTA MITSUHIRO
IPC分类号： B22D11/04 , B22D11/043 , B22D11/053 , B22D11/07
摘要： PURPOSE:To make the charging work of powder easy reduce the seattering of the molten play and shorten the working time of stamping after the end of casting by providing high-frequency vibrators which apply the specific frequency to the side ends of the wall surfaces of the mold. CONSTITUTION:This mold for continuous casting consists of broad mold faces 1, 1' and narrow mold faces 2, 2'; each mold having a cooling water box 3 and a mold copper plate 4. The mold copper plate 4 is provided with slits 8, 8' over the entire width of the mold, in the horizontal direction above and below the meniscus position M at the casting. A vibration connecting plate 5 is provided in the form of a flange to the position corresponding to the meniscus, and a high-frequency vibrator 6 applying 5-50kHz vibrations is disposed on the side end of the side surface of the mold. These decrease friction force, prevent seizure, and make the charging work of powder easy on account of the decreased number of the vibrators in the upper part of the mold.

10. 发明专利

JPS5933057B2 JPS5933057B2 - 失效
公开(公告)号：JPS5933057B2
公开(公告)日：1984-08-13
申请号：JP8658679
申请日：1979-07-09
申请人： Nippon Steel Corp
发明人： SAEKI TAKESHI , KAWASHIMA KATSUHIRO , MURATA MITSUO , OOTA MITSUHIRO
IPC分类号： B22D11/04 , B22D11/043 , B22D11/053 , B22D11/07

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