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1. 发明专利

JPH07282869A QUICK JOINT DEVICE FOR ELECTRODE BUS BAR CONNECTION IN ELECTRIC PLATING LINE 失效
公开(公告)号：JPH07282869A
公开(公告)日：1995-10-27
申请号：JP6924894
申请日：1994-04-07
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： IMAIZUMI HIDEHIKO , SHIMODA ATSUSHI
IPC分类号： C25D21/00 , H01R4/58 , H01R9/03
摘要： PURPOSE:To shorten the line stop time by pinching and connecting a power feed side fixed bus bar feeding electricity to an electrode plate and a plating cell side electrode plate bus bar from both sides with a hinge-like quick joint. CONSTITUTION:A plating cell side electrode plate bus bar 2 is suspended together with a plating cell at the terminal section of an electrode feed fixed bus bar 1 erected from below, and the bus bars 1, 2 are alternately coupled. A quick joint 5 is mounted on a quick joint mount 6 installed on the bus bar 1 in the electrically insulated state, and it has three hinge bus bar pinching mobile arms 7. When the arms 7 are closed and three fixing bolts 8 fitted on opposite side to the arms 7 are fastened and fixed to arm tip bolt holes, the bus bars 1, 2 are thoroughly pinched by the joint 5, and the connection of the bus bars 1, 2 is completed. The work is completed by only three bolts, and the work load and working time can be reduced.

2. 发明专利

JPH06272006A DEVICE FOR REMOVING ZINC FUME IN SNOUT IN HOT-DIP METAL COATING LINE 失效
公开(公告)号：JPH06272006A
公开(公告)日：1994-09-27
申请号：JP5713393
申请日：1993-03-17
申请人： NIPPON STEEL CORP
发明人： ONO TAKUMI , IMAIZUMI HIDEHIKO
IPC分类号： C23C2/00 , C23C2/02
摘要： PURPOSE:To prevent the contamination of a plating by removing fumes of metallic zinc generated in a snout connecting a heat-treating furnace and a zinc bath. CONSTITUTION:A nitrogen blowing and sealing device 11 is provided in the snout 3 of a hot-dip metal coating line, and a fixed amt. of nitrogen is blown. The nitrogen in the same amt. as the blown nitrogen is exhausted by a blower 13, and the fumes generated on the zinc bath surface 7 is exhausted and removed.

3. 发明专利

JPH06306555A SNOUT CLEANING DEVICE FOR CONTINUOUS HOT DIP COATING DEVICE 失效
公开(公告)号：JPH06306555A
公开(公告)日：1994-11-01
申请号：JP11659793
申请日：1993-04-21
申请人： NIPPON STEEL CORP
发明人： TODA YUJI , ONO TAKUMI , IMAIZUMI HIDEHIKO , YAMAMOTO MITSURU , AIBA MASAJI
IPC分类号： C23C2/00
摘要： PURPOSE:To decrease plating defects by preventing the generation of the metal evaporated from the plating bath surface in a snout and its compd. CONSTITUTION:The snout 4 is successively provided with a suction duct 6 subjected to heat insulation to the m. p. of a plating metal or above, a cooler 7 and a device 9 for removing the evaporated metal and its compd. As a result, the atmosphere gas in the snout is guided toward a plating pot 2 from a furnace 3 and the infiltration of the evaporated metal into the furnace is prevented. As a result, the plating defects by the adhesion of the plating metal or its compd. to a strip 1 are drastically decreased.

4. 发明专利

JPH05287478A 失效
公开(公告)号：JPH05287478A
公开(公告)日：1993-11-02
申请号：JP8536492
申请日：1992-04-07
申请人： NIPPON STEEL CORP
发明人： OKAWA AKIHIRO , IMAIZUMI HIDEHIKO , KIMURA YOSHITAKA , NAMIENO TSUTOMU
IPC分类号： C23C2/00 , C23C2/20
摘要： PURPOSE:To decrease the fluctuation in plating deposition by correcting the shape of a strip in a wiping nozzle part in the subject production and apparatus. CONSTITUTION:The warpage in the transverse direction of the strip 1 near the wiping nozzles 7 is detected and the positions of support rolls 6 and a pot roll 5 are adjusted from the data on this warpage in the hot dip metal coating line which adjusts the plating deposition by blowing wiping gases to the strip 1 past the hot dip metal coating bath. The shape of the strip is then corrected to a flat shape and the uniform plating deposition is obtd. by automatic control. The shape of the strip is roughly adjusted by adjusting the positions of the support rolls 6 and the shape of the strip is finely adjusted by adjusting the position of the pot roll 5.

5. 发明专利

JPH05317798A SHEET TEMPERATURE CONTROL OF CHOROMATE-TREATED STEEL SHEET 失效
公开(公告)号：JPH05317798A
公开(公告)日：1993-12-03
申请号：JP15003892
申请日：1992-05-19
申请人： NIPPON STEEL CORP
发明人： FUJII MASAYUKI , MOCHIDA MASARU , IMAIZUMI HIDEHIKO
IPC分类号： B05D3/02 , B05D3/10
摘要： PURPOSE:To improve the life of a paint by controlling the temperature of a steel sheet when a chromate-treated steel sheet is manufactured using a continuous steel sheet conveyance line. CONSTITUTION:A dryer 9 which recycles a high temperature exhaust air from a dryer 1, is installed in a steel plating line. Then, an air damper 12 is opened at around 100 deg.C of sheet temperature using a hot blast from the dryer 9 to control the sheet temperature to no more than 100 deg.C.

6. 发明专利

JPH05311498A 失效
公开(公告)号：JPH05311498A
公开(公告)日：1993-11-22
申请号：JP14677992
申请日：1992-05-14
申请人： NIPPON STEEL CORP
发明人： MOCHIDA MASARU , IMAIZUMI HIDEHIKO , MARUYAMA KATSUTOSHI , TSUYUKI AKIRA
IPC分类号： C25D7/06 , C25D17/00 , C25D21/00
摘要： PURPOSE:To save equipment cost by reducing the number of pumps in a device for supplying plating solution to plating cell. CONSTITUTION:In the device for supplying plating solution in electroplating line to supply a plating solution to a plurality of the plating cells 3 from a plating solution recycle tank 1, branched pipes 6 to supply the plating solution to each of the plating cells 3 communicate with a collecting pipe 5, the collecting pipe 5 communicates with the plating solution recycle tank 1, a large capacity pump 4 is provided in the collecting pipe 5 and each of the branched pipes 6 is provided respectively with a flow meter 7 and a valve 8 for adjusting flow rate.

7. 发明专利

JP2000319795A METHOD FOR CONTROLLING DRAWING-DOWN FORCE OF STEEL PLATE ON CONDUCTIVE ROLL 失效
公开(公告)号：JP2000319795A
公开(公告)日：2000-11-21
申请号：JP12476499
申请日：1999-04-30
申请人： NIPPON STEEL CORP
发明人： TSUYUKI AKIRA , IMAIZUMI HIDEHIKO
IPC分类号： F16C13/00 , C25D7/06 , C25D21/12 , F16C13/06
摘要： PROBLEM TO BE SOLVED: To provide a drawing-down force controlling method of a steel plate press roll device such as a conductive roll to run the current to the steel plate or a pair of back-up rolls or snubber rolls installed on the conductive roll to release the unnecessary charges in a continuous treatment facility of the steel plate having an electroplating device and an electrolysis device. SOLUTION: In a method for controlling the drawing-down force of a steel plate on a conductive roll, the drawing-down force to be given to the conductive roll is controlled according to the width of the steel plate in the conductive roll 1 to run the current in the steel plate arranged in a continuous treatment device having an electroplating device and an electrolysis device of the steel plate. More specifically, the drawing-down force is controlled based on the value detected from a width meter, or based on the operated value of the pre- transmitted and accumulated data on the steel plate. The drawing-down force is controlled by an air cylinder.

8. 发明专利

JPH06210236A ULTRASONIC COATING METHOD 失效
公开(公告)号：JPH06210236A
公开(公告)日：1994-08-02
申请号：JP2084693
申请日：1993-01-14
申请人： NIPPON STEEL CORP
发明人： ODA KITO , OKAMOTO SUSUMU , YAMAMOTO MITSURU , IMAIZUMI HIDEHIKO
IPC分类号： B05B17/06 , B05D1/02
摘要： PURPOSE:To freely control coating width with respect to an object to be coated by exciting the surface of the liquid sent to a spray head by ultrasonic waves at the time of the coating with a water-soluble resin as the post-treatment of zinc plating and soluble resin as the post-treatment of zinc plating and jetting a liquid film in the form of liquid droplets. CONSTITUTION:In an ultrasonic coating method, an ultrasonic wave generating device 1 sprays a liquid and an ultrasonic wave generator 2 has a spray head 7 having a structure capable of withstanding strong vibration. A liquid supply nozzle 3 is constituted so that the water-soluble liquid in a liquid supply thermostatic tank 5 is supplied to the spray head 7 of the ultrasonic wave generator 2 by a liquid supply metering pump 4. The liquid sent to the spray head 7 is formed into a film, receives the vibration energy and is formed into extremely fine droplets by strong surface vibration and these droplets are shaken off from the vibration surface to be discharged and expanded in coating width on the object 8 to be coated by an air blowoff nozzle 6.

9. 发明专利

JPH05317799A DRYING OF CHROMATE-TREATED STEEL SHEET 失效
公开(公告)号：JPH05317799A
公开(公告)日：1993-12-03
申请号：JP15003992
申请日：1992-05-19
申请人： NIPPON STEEL CORP
发明人： FUJII MASAYUKI , MOCHIDA MASARU , IMAIZUMI HIDEHIKO
IPC分类号： B05D3/02 , B05D3/10
摘要： PURPOSE:To make it possible to manufacture a chromate-treated steel sheet with excellent corrosion inhibitive properties and the long life of an organic solvent paint by recycling a high-temperature exhaust air originating from dryer equipment for an organic paint coated steel sheet for a chromate-coated film drier, and controlling the temperature of the chromate-coated steel sheet to a specified range. CONSTITUTION:When a dryer 9 is newly installed following the provision of a new chromate film coating coater, a high-temperature exhaust air originating from an existing dryer 1 for an organic paint-coated steel sheet through an deodorizing furnace 4, is allowed to branch off by an air feed blower 10 before a flue for the existing dryer 1, and then is blown out to a steel sheet using the newly installed dryer 9. In addition, an air is mixed into the hot blast with the help of an exhaust air thermometer 11 and an air damper 12 in order to ensure a temperature control of the exhaust air for blowoff. Further, the temperature of the chromate-coated steel sheet is controlled by the hot blast from the existing dryer 1 so that said temperature stands at 60 to 100 deg.C. After that, a exhaust air blower 13 for exhausting an air from the newly installed dryer 9 and a flue 14 are provided to allow the exhaust air into the atmosphere.

10. 发明专利

JPH05317786A SURFACE TREATMENT LINE FOR STEEL SHEET 失效
公开(公告)号：JPH05317786A
公开(公告)日：1993-12-03
申请号：JP15003792
申请日：1992-05-19
申请人： NIPPON STEEL CORP
发明人： MOCHIDA MASARU , IMAIZUMI HIDEHIKO , FUJII MASAYUKI
IPC分类号： B05C9/14 , F26B21/04
摘要： PURPOSE:To eliminate the necessity for feeding of combustion gas to a newly set drier and make a setting space at a working site small by communicating a deodorizing oven of an existing drier with a newly set drier by means of a duct in a surface treatment line for a steel sheet provided with two units of coating devices and driers. CONSTITUTION:An existing drier 1 is for drying the liquid applied to a steel sheet by an existing coater 7, and consists of an air feeding blower 2 for feeding the air for burning the gas from a gas burner of the existing drier 1, an existing blower 3 for exhasting the gas after burning, a deodorizing oven 4 for burning natural gas and the like in the exhaust gas, a heat exchanger 5 for the air to be fed and the exhaust gas and a chimney 6. In the case of a newly set drier 9 to be set following the newly set coater 8, high temperature exhaust gas passed through the deodorizing oven 4 of the existing drier 1 is branched at the front of the chimney 6 by means of a duct 15 provided with an existing blower 10 and sprayed to the steel by the newly set drier 9.

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