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1. 发明专利

JPH06137333A ROLLER BEARING HOLDER 失效
公开(公告)号：JPH06137333A
公开(公告)日：1994-05-17
申请号：JP29332192
申请日：1992-10-30
申请人： NIPPON SEIKO KK , SUMITOMO METAL IND
发明人： TANAKA HIROSHI , NIIZEKI SHIN , NONAKA KOSUKE , MATSUDA YUKIO , MORI TOSHIHIRO , NOJIMA KATSUHIRO
IPC分类号： F16C33/44 , F16C33/56
摘要： PURPOSE:To provide a roller bearing holder by which abrasion or separation or a crack or the like is not caused even if it is used in a high temperature and/or corrosive environment such as a fused zinc bath or the like. CONSTITUTION:A base material of a holder 5 of a bearing 1 having an inner ring 2, an outer ring 3 and a rolling body 4 is formed of transition metal having corrosion resistance to fused zinc and a thermal expansion coefficient close to a ceramics material and heat resistance, and an abrasion resistant material 9 composed of a ceramics material is formed discontinuously on a sliding surface of the holder. Thereby, even if a holder 5 incorporated ceramic roller bearing is exposed in a high temperature and/or highly corrosive environment such as a fused zinc bath, separation or a crack of the abrasion resistant material 9 of the holder can be prevented.

2. 发明专利

JPH0892711A OPERATION OF HOT-DIP METAL PLATING BATH DEVICE 失效
公开(公告)号：JPH0892711A
公开(公告)日：1996-04-09
申请号：JP23313094
申请日：1994-09-28
申请人： NIPPON SEIKO KK , SUMITOMO METAL IND
发明人： NIIZEKI SHIN , AOKI AKIO , SATO YUKIO , HASHIMOTO TAKAO , YAGAWA ATSUHISA , MORI TOSHIHIRO , NOJIMA KATSUHIRO , ANDO KOJI
IPC分类号： C23C2/00
摘要： PURPOSE: To improve the quality of the surface of plating and furthermore to improve the durability of a rolling bearing. CONSTITUTION: Excluding the time immediately after operation, a shaft 20 and the edge part of an axis 15 is disengaged. In this state, a support roll 9 rotates only by friction between a belt-like metallic sheet whose surface is subjected to plating treatment and its surface. Thus, the wear of a rolling bearing 13 reduces.

3. 发明专利

JPH07173593A ROLL SUPPORTING DEVICE IN HOT DIP METAL COATING BATH 失效
公开(公告)号：JPH07173593A
公开(公告)日：1995-07-11
申请号：JP25487594
申请日：1994-10-20
申请人： NIPPON SEIKO KK , SUMITOMO METAL IND
发明人： AOKI AKIO , SATO YUKIO , NIIZEKI SHIN , HASHIMOTO TAKAO , NOJIMA KATSUHIRO , MORI TOSHIHIRO , ANDO KOJI , YAGAWA ATSUHISA
IPC分类号： C23C2/00 , C23C2/40 , F16C13/02 , F16C23/08 , F16C35/077
摘要： PURPOSE:To prevent the exertion of excessive force on rolling bearings when a once thermally expanded roll shrinks according to a temp. fall. CONSTITUTION:The inner peripheral surfaces of bearing boxes 18b are coated with a maternal, such as tantalum, graphite, c/c composite and silicon carbide, having poor wettability to molten metal. The molten metal does not stick to these coated parts or the molten metal, if solidified by sticking thereto, is peelable with light force. Then, the displacement of the rolling bearings 11 in an axial direction after pulling up of the support roll 8 from the inside of the molten metal is not hindered.

4. 发明专利

JPH07151151A ROLLING BEARING USED IN MOLTEN METAL 失效
公开(公告)号：JPH07151151A
公开(公告)日：1995-06-13
申请号：JP21582294
申请日：1994-09-09
申请人： SUMITOMO METAL IND , NIPPON SEIKO KK
发明人： NOJIMA KATSUHIRO , MORI TOSHIHIRO , HASHIMOTO TAKAO , NIIZEKI SHIN , AOKI AKIO
IPC分类号： F16C33/38 , F16C33/44
摘要： PURPOSE:To improve the wear resistance of a cage by constituting the cage of a rolling bearing of the material whose specific gravity to the molten metal is a specific value. CONSTITUTION:A deep groove ball bearing is constituted by fastening half-split cages 9 with rivets R, and the cage 9 consists of a main body 41 and a side plate 51 to reinforce both side surfaces of the main body 41. The cage 9 is made of the material whose specific gravity to the molten metal is 0.8-1.2. The cage 9 is made of the substance of the individual specific gravity of 0.8-1.2 according to the molten metal, or the cage 9 is made of the composite material where the substance of large density is combined with the substance of small density to realize the specific gravity of 0.8-1.2 to the corresponding molten metal. The degree of floating of the cage 9 in the molten metal becomes small by reducing the density difference between the cage 9 and the molten metal, and the pressure applied to the sliding surface of a rolling body and a bearing ring is reduced, the wear resistance of the pocket surface and the guide surface of the cage 9 is improved, and as a result, the life of the rolling bearing to be used in the molten metal can be prolonged.

5. 发明专利

JPH07268581A BEARING DEVICE OF ROLL IN HOT DIP METAL COATING BATH AND METHOD FOR PREVENTING BEARING WEAR 失效
公开(公告)号：JPH07268581A
公开(公告)日：1995-10-17
申请号：JP6255194
申请日：1994-03-31
申请人： SUMITOMO METAL IND
发明人： NOJIMA KATSUHIRO
IPC分类号： F16C13/02 , C23C2/00
摘要： PURPOSE:To prolong the life of bearings by preventing the wear thereof by direct contact of shafts and the bearings. CONSTITUTION:The plain bearings 11 for supporting rolls 4, 5 of a bearing device for the rolls 4, 5 to be arranged in a hot dip metal coating bath 1 in the state of immersing the rolls therein are provided with liquid ejection holes 11a bored on their inner peripheral surfaces. This bearing device is provided with an external molten metal tank 13 which contains molten metal 14 and its supplying means 15 in order to supply the molten metal 14 of a temp. lower than the temp. of the coating bath 1 into these liquid ejection holes 11a and is further provided with thermometers for measuring the molten metal temp. in contact with the plain bearing 11 parts and the shaft parts 12 of the rolls 4, 5 in these parts.

6. 发明专利

JPH04323323A PRODUCTION OF COLD-ROLLED STEEL STRIP 失效
公开(公告)号：JPH04323323A
公开(公告)日：1992-11-12
申请号：JP9077691
申请日：1991-04-22
申请人： SUMITOMO METAL IND
发明人： NOJIMA KATSUHIRO , MATSUDA YUKIO
IPC分类号： B21B3/00 , C21D9/46
摘要： PURPOSE:To omit pickling and to manufacture a cold-rolled steel strip in good yield by grinding the hot-rolled steel strip obtained after executing hot-rolling to make oxide scale a specific thickness and successively, executing the cold- rolling and annealing in a reducing atmosphere. CONSTITUTION:After hot-rolling, the obtd. hot-rolled steel strip is supplied from an uncoiler 4 and passed between grinding rolls 1 and backup rolls 2, where the hot-rolled steel strip is ground and the thickness of oxide scale is removed to

7. 发明专利

JPH0417653A CONTINUOUS HOT DIPPING DEVICE 失效
公开(公告)号：JPH0417653A
公开(公告)日：1992-01-22
申请号：JP12176390
申请日：1990-05-11
申请人： SUMITOMO METAL IND
发明人： NOJIMA KATSUHIRO , SUZUKI YUTAKA
IPC分类号： C23C2/20 , C23C2/00
摘要： PURPOSE:To reduce the vibration of a strip and to produce a uniformly plated product excellent in quality by arranging plates above and below a wiping nozzle symmetrically to the strip. CONSTITUTION:Inclined plates 12a and 12b are arranged above and below a wiping nozzle 6 of the continuous hot dipping device symmetrically to the strip 1. A gas is injected from the nozzle 6 and struck against the strip 1 to form upward and downward gas currents 15a and 15b along the strip 1 which flow into the gaps between the strip 1 and the plates 12a and 12b from the wide part to the narrow part. Accordingly, the gas pressure is increased, the strip 1 is wedged from its both sides and pulled up, and the vibration of the strip 1 is reduced. Consequently, the nozzle 6 is got as close to the strip 1 as possible, and a uniformly plated product excellent in quality is produced.

8. 发明专利

JPH0336286A DESCALING METHOD AND PRODUCTION OF PLATED STEEL PLATE USING THE SAME 失效
公开(公告)号：JPH0336286A
公开(公告)日：1991-02-15
申请号：JP17155389
申请日：1989-07-03
申请人： SUMITOMO METAL IND
发明人： NOJIMA KATSUHIRO , HAYASHI YUTAKA , SUZUKI YUTAKA , OKADA HIKARI , MATSUDA YUKIO
IPC分类号： C23G5/00
摘要： PURPOSE:To carry out uniform and efficient descaling while occupying only a small space by holding a steel material on which scale is formed within a flame reducing zone of a specific temp. and then applying cooling to the above steel material in an atmosphere in which O2 content and reducing power are regulated. CONSTITUTION:A steel material on which scale is formed is held at >=600 deg.C within a burner flame reducing zone or passed through the above zone to remove the scale by means of reducing action. Subsequently, cooling is applied to the above steel material while preventing the oxidation of this steel material in an atmosphere in which O2 content and reducing power are regulated so that the scale can be finally removed. Since no acid is used in this method, equipment can be simplified. By this method, galvanizing, etc., can be applied to the descaled hot rolled steel plate.

9. 发明专利

JPH10110215A PRODUCTION OF AUSTENITIC FREE CUTTING STAINLESS STEEL 失效
公开(公告)号：JPH10110215A
公开(公告)日：1998-04-28
申请号：JP26684096
申请日：1996-10-08
申请人： SUMITOMO METAL IND
发明人： NOJIMA KATSUHIRO , KAMATA YOSHIHIKO , HONDA EIJI , FUJIMURA HIROSHI
IPC分类号： C21D8/00 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a method for producing austenitic free cutting stainless steel capable of imparting characteristics equal to those of austenitic free cutting stainless steel subjected to soln. heat treatment, particularly, those of austenitic resulphurized carbon stainless steel by in-line treatment. SOLUTION: A stainless steel contg., by weight, 0.04 to 0.08% C, =70% and the working finishing temp. is regulated to the range of 1000 deg.C to 970+1500 C(%)+1.5N(%)} deg.C, and after 1 to 30sec from the completion of the working, cooling is executed from 950 to 500 deg.C at a cooling rate of >=5 deg.C/sec.

10. 发明专利

JPH08332543A WELDED METAL NET 失效
公开(公告)号：JPH08332543A
公开(公告)日：1996-12-17
申请号：JP13903395
申请日：1995-06-06
申请人： SUMITOMO METAL IND
发明人： NOJIMA KATSUHIRO , KAMATA YOSHIHIKO
IPC分类号： E04C5/02 , B21F27/08 , B21F27/10
摘要： PURPOSE: To fold up a net around iron wires by connecting sheet like metal nets each other, in which vertical wires and horizontal wires are orthogonally crossed and geometrically arrayed and intersecting points are welded, at the end part of vertical wire and/or horizontal wires with iron wires. CONSTITUTION: Vertical wires and horizontal wires are orthogonally crossed/ geometrically arrayed and intersecting points are resistance welded, thus a sheet like metal net is constructed. Sheet like metal nets each other are connected at the end part of each vertical wire and/or each horizontal wire with iron wires, the connected net can be folded up to the dimension of one sheet of sheet like metal net around iron wires. Accordingly, the equipment, transporting method, execution of work and storage place same as conventional ones are used, by spreading folded up one at execution of work, desired product dimension is easily obtained, improvement of work efficiency and working environment are achieved.

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