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1. 发明专利

JPH07173954A BASE ISOLATION DEVICE 失效
公开(公告)号：JPH07173954A
公开(公告)日：1995-07-11
申请号：JP34498493
申请日：1993-12-20
申请人： JAPAN ATOMIC ENERGY RES INST , KAWASAKI HEAVY IND LTD , OILES INDUSTRY CO LTD
发明人： OOKAWA YOSHINAO , AKUTSU YOICHI , SATOU KEISUKE , SUZUKI MICHIAKI , YAMAZAKI SEIICHIRO , SHIMODA IKUO , IKENAGA MASAYOSHI
IPC分类号： E04B1/36 , E04H9/02 , F16F9/04 , F16F15/04
摘要： PURPOSE:To reduce a structure vibration due to an earthquake or the like by arranging a plurality of air spring devices made of movable steel tubes sealing the high pressure air on a structure and the foundation thereof in a horizontal direction, and stacking a plurality of the devices in a vertical direction. CONSTITUTION:The horizontal vibration component of a structure foundation due to an earthquake or the like is prevented from being transmitted to a structure by the help of the shearing deformation of a laminated rubber body 4 having restitutive force. On the other hand, the vertical vibration component of the foundation is prevented from being transmitted to the structure, using stacked air spring devices 5 made of movable metal tubes 6. Furthermore, each tube 6 is internally connected to an auxiliary tank via a valve 42 having orifice function, and the vertical vibration component is attenuated with the travel resistance of the air flowing through the valve 42. In this case, if the internal pressure of the tube 6 drops below a preset value, due to an air leakage or the like, a compressor is operated to maintain the pressure at the value.

2. 发明专利

JPH08177970A THREE-DIMENSIONAL BASE ISOLATION DEVICE 失效
公开(公告)号：JPH08177970A
公开(公告)日：1996-07-12
申请号：JP33796794
申请日：1994-12-27
申请人： JAPAN ATOMIC ENERGY RES INST , KAWASAKI HEAVY IND LTD , OILES INDUSTRY CO LTD
发明人： OOKAWA YOSHINAO , AKUTSU YOICHI , SATOU KEISUKE , SUZUKI MICHIAKI , YAMAZAKI SEIICHIRO , SHIMODA IKUO , IKENAGA MASAYOSHI , SASAKI KOSUKE
IPC分类号： E04H9/02 , E04B1/34 , F16F15/04
摘要： PURPOSE: To provide a three-dimensional base isolation device which can lower the natural frequency so as to obtain sufficient base isolation effect, can effectively restrain rocking vibration of a building without necessity of a large-sized air pump and the like, and can curtail the installation space by simple constitution. CONSTITUTION: In this three-dimensional base isolation device, a base isolation means 2 performing base isolation action by elastically extending and contracting and in addition performing base isolation action by elastically displacing in the plane meeting at right angles with the extending/contracting direction, is connected to an object 6 to be isolated from vibration at one end 5 in the extending/contracting direction 3 and connected to a foundation 9 at the other end 8 in the direction 3, so that the direction 3 is slant to the vertical line, and a plurality of the means 2 are arranged around the vertical line passing the center of gravity 10 of the object 6, so that base isolation action against the object 6 in the horizontal direction A and the vertical direction B is performed by the respective base isolation means 2.

3. 发明专利

JPH07173955A BASE ISOLATION DEVICE 失效
公开(公告)号：JPH07173955A
公开(公告)日：1995-07-11
申请号：JP34498593
申请日：1993-12-20
申请人： JAPAN ATOMIC ENERGY RES INST , KAWASAKI HEAVY IND LTD , OILES INDUSTRY CO LTD
发明人： OOKAWA YOSHINAO , AKUTSU YOICHI , SATOU KEISUKE , SUZUKI MICHIAKI , YAMAZAKI SEIICHIRO , SHIMODA IKUO , IKENAGA MASAYOSHI
IPC分类号： E04B1/36 , E04H9/02 , F16F9/04 , F16F15/04
摘要： PURPOSE:To reduce a structure vibration due to an earthquake or the like by coping with the requirement of three-dimensional base isolation, while a horizontal vibration being reduced with a stacked rubber body and a vertical vibration with an air spring device having pressure resistant movable bellows. CONSTITUTION:The horizontal vibration component of a structure foundation due to an earthquake or the like is prevented from being transmitted to a structure by the help of the shearing deformation of a laminated rubber body 4 having restitutive force or lead 26. On the other hand, the vertical vibration component of the foundation is prevented from being transmitted to the structure by using an air spring device 5 having a high pressure air chambers 6 and 7 formed out of inner and outer movable bellows 14 and 15. In addition, the chambers 6 and 7 are communicated with an auxiliary tank through each valve and the vertical vibration component is attenuated with the travel resistance of the air flowing through the valve. In this case, if the internal pressure of the chambers 6 and 7 drops below the preset value, a compressor is operated to maintain the internal pressure at the value.

4. 发明专利

JPH08177969A THREE-DIMENSIONAL BASE ISOLATION DEVICE 失效
公开(公告)号：JPH08177969A
公开(公告)日：1996-07-12
申请号：JP33796694
申请日：1994-12-27
申请人： JAPAN ATOMIC ENERGY RES INST , KAWASAKI HEAVY IND LTD , OILES INDUSTRY CO LTD
发明人： OOKAWA YOSHINAO , AKUTSU YOICHI , SATOU KEISUKE , SUZUKI MICHIAKI , YAMAZAKI SEIICHIRO , SHIMODA IKUO , IKENAGA MASAYOSHI , SASAKI KOSUKE
IPC分类号： E04H9/02 , E04B1/34 , F16F15/04
摘要： PURPOSE: To provide a three-dimensional base isolation device which can effectively restrain rocking vibration of a building without necessity for a large-sized pump and the like, and can exhibit sufficient base isolation effect. CONSTITUTION: This three-dimensional base isolation device 1 is provided with horizontal direction base isolation means 3 supporting a building 2 movably in the horizontal direction A and performing base isolation in the horizontal direction A of the building 2, and spring means 6 in which a plurality of set are arranged around the vertical line 5 passing the center of gravity 4 of the building 2, the building 2 is supported with them movably in the vertical direction B, and base isolation in the vertical direction B of the building 2 is performed, and it is constituted so that rocking of the building 2 is restrained by air pressure generated corresponding to movement of the building 2 in the horizontal direction.

5. 发明专利

JPH08285802A MEASURING METHOD OF PROGRESS STATE OF CROSS-LINKING REACTION OF RUBBER BY ELECTRICAL CHARACTERISTIC VALUE 失效
公开(公告)号：JPH08285802A
公开(公告)日：1996-11-01
申请号：JP11228795
申请日：1995-04-13
申请人： JAPAN ATOMIC ENERGY RES INST , OILES INDUSTRY CO LTD
发明人： OOKAWA YOSHINAO , AKUTSU YOICHI , SHIMODA IKUO , IKENAGA MASAYOSHI , SASAKI KOSUKE
IPC分类号： G01N27/02
摘要： PURPOSE: To obtain a measuring method in which the cross-linking progress state of an uncross-linked rubber can be measured by a method wherein one pair of specific steels plates out of a plurality of internal steel plates which support uncross-linked laminated rubber are used as electrodes, a cycle voltage is applied and an electrical characteristic value is detected. CONSTITUTION: Sheetlike unvulcanized rubber and steel plates 14 to 18 are arranged alternately inside a mold 20 which has been preheated to the vulcanizing temperature of the rubbers, and an axial-direction load is applied to the sheetlike unvulcanized rubber and the steel plates 14 to 18 by an upper plate 41 and a push plate 43 by means of a press machine 50. The laminated rubber 13 which are arranged in the mold 20 raise their temperature with the passage of time so as to reach the vulcanizing temperature, of the rubber, which is the same temperature as the mold. Thereby, as the cross-linking reaction of the laminated rubbers 13 progresses, an electrical AC resistance value is raised once, it is then lowered, and it then displays a constant value. This indicates a point of time in which the time change rate of an AC resistance becomes nearly zero, and it is a point of time in which the cross- linking reaction of the laminated rubber 13 has been completed. Consequently, when a change in the time change rate of the electrical AC resistance is traced, the progress degree of the cross-linking reaction of the rubber can be observed.

6. 发明专利

JPH0720078A DETECTING METHOD FOR CHANGE IN PROPERTY OF RUBBER BODY 失效
公开(公告)号：JPH0720078A
公开(公告)日：1995-01-24
申请号：JP18874293
申请日：1993-06-30
申请人： JAPAN ATOMIC ENERGY RES INST , OILES INDUSTRY CO LTD
发明人： OOKAWA YOSHINAO , AKUTSU YOICHI , SHIMODA IKUO , IKENAGA MASAYOSHI
IPC分类号： G01N27/02 , G01N33/44
摘要： PURPOSE:To positively the degree of deterioration of a rubber body even if no dimensional change occurs together by judging the electrical impedance of the rubber body. CONSTITUTION:A rubber support 10 is provided with disc-shaped upper and lower flange plates 11 and 12, a cylindrical rubber body 13, and internal steel plates 14-16 for reinforcement which are buried into the rubber body 13. A specific and uniform static compression force is applied in the direction of an arrow B and at the same time a voltage with a specific frequency is applied between the steel plates 14 and 15 simultaneously. The vertical displacement generated at the rubber body and impedance change between the steel plates 14 and 15 are detected. The internal strain of the rubber body 13 is detected from the change in the impedance of the rubber body 13 and the number of changes in impedance is integrated, thus determining the degree of deterioration of the rubber body 13 caused by the generation of internal strain.

7. 发明专利

JPH09310409A SPHERE SLIDABLE SUPPORTING DEVICE 失效
公开(公告)号：JPH09310409A
公开(公告)日：1997-12-02
申请号：JP15029396
申请日：1996-05-22
申请人： OILES INDUSTRY CO LTD
发明人： IKENAGA MASAYOSHI , NAKAMARU TAKASHI , SASAKI KOSUKE
IPC分类号： E04B1/36 , E04H9/02 , F16F15/02
摘要： PROBLEM TO BE SOLVED: To provide such a sphere slidable supporting device as being capable of reducing frictional resistance on a contact plane between a concave spherical member and a moving body, ensuring easy slide displacement on the contact plane and surely protecting a structure against vibration due to earthquake. SOLUTION: A sphere slidable supporting device 1 has a concave spherical member 4 provided with a concave spherical face 3, an opposite member 6 provided with a concave spherical face 5 and a moving body 9 provided with a convex spherical face 7 put in slidable contact with the concave spherical face 3 of the concave spherical member 4 and another convex spherical face 8 put in slidable contact with the concave spherical face 5 of the opposite member 6. The concave spherical member 4 contains a concave spherical member mainbody 23 and a low friction layer 25 integrally formed in a concave spherical recess 22 in one face 21 of the concave spherical member mainbody 23, whose exposed surface 24 constitutes the concave spherical face 3.

8. 发明专利

JPH09310408A BASE ISOLATION SUPPORTING DEVICE 失效
公开(公告)号：JPH09310408A
公开(公告)日：1997-12-02
申请号：JP15029296
申请日：1996-05-22
申请人： OILES INDUSTRY CO LTD
发明人： IKENAGA MASAYOSHI , NAKAMARU TAKASHI , SASAKI KOSUKE
IPC分类号： E04B1/36 , E04H9/02 , F16F15/04
摘要： PROBLEM TO BE SOLVED: To provide such a slidable base isolation supporting device as being capable of reducing frictional resistance on a slidable contact plane, ensuring easy slide displacement on the slidable contact plane, less transmitting the vibration of medium or even small scale earthquake to an upper structure and surely protecting the upper structure. SOLUTION: A base isolation supporting device 1 has a laminated rubber 4 formed by alternately laminating reinforcing layers 2 and rubber layers 3, a slide material 6 mounted on the upper end face 5 of the laminated rubber 4 and an inclusion 7 put in slide movably with respect to the slide material 6 in the horizontal direction. The inclusion 7 contains an inclusion mainbody 31 and a low friction layer 33 integrally formed on one face 32 of the inclusion mainbody 31. The inclusion 7 is put in slidable contact with the slide material 6 via the low friction layer 33.

9. 发明专利

JPH09177884A BASE ISOLATION SUPPORT DEVICE 失效
公开(公告)号：JPH09177884A
公开(公告)日：1997-07-11
申请号：JP35526496
申请日：1996-12-20
申请人： OILES INDUSTRY CO LTD
发明人： SHIMODA IKUO , IKENAGA MASAYOSHI , SASAKI KOSUKE
IPC分类号： E04B1/36 , E04H9/02 , F16F15/04
摘要： PROBLEM TO BE SOLVED: To provide superior damping effect from slight vibration such as traffic vibration to an earthquake by providing a load support part comprising alternately laminating a viscoelastic body and a reinforcing plate and an energy absorption part arranged in the hollow part of this load support part and constituting the energy absorption part from a column-shaped lead body and a viscoelastic layer. SOLUTION: A base isolation support device 1 comprises alternately laminating a viscoelastic body 5 and a reinforcing plate 6, a reinforcement mounting plate 7 having its hole for fitting dowel pin 4 is provided at both end parts of that laminating direction, and each of component members 5 to 7 is laminated and integrated by curing and adhering them. A hollow part 8 piercing through in the laminating direction is formed at the center part of the device 1, and a lead body 10 having a viscoelastic layer 9 around its body is densely sealed in this hollow part 8. Thereby, when great horizontal displacement acts on the base isolation support device 1, for example, by a large-scale earthquake, shear deformation is generated in the reinforcing plate 6 and the viscoelastic body 5, and earthquake energy is speedily absorbed by subsequent plastic deformation of the lead body 10.

10. 发明专利

JPH09125410A LAMINATED RUBBER SUPPORT STRUCTURE 失效
公开(公告)号：JPH09125410A
公开(公告)日：1997-05-13
申请号：JP30339295
申请日：1995-10-30
申请人： OILES INDUSTRY CO LTD
发明人： SHIMODA IKUO , IKENAGA MASAYOSHI
IPC分类号： E02D27/34 , E04B1/36 , E04H9/02 , F16F1/40
摘要： PROBLEM TO BE SOLVED: To prevent the concentration of shearing forces into a fixing means like a bolt fixing the upper and lower fitting plates of a laminated rubber support body and the fitting member of the structure side and the foundation side. SOLUTION: Fitting members 10 comprising a disk part 11 and a cylindrical part 12 are arranged in the recesses 2, 5 of the upper and lower thick reinforcing plates 4, 7 of a laminated rubber support body 1. The disk part 11 is fitted in the reinforcing thick plate and the cylindrical part is protruded from the recessed opening. And in the cylindrical parts, the upper and lower fitting plates 13, 18 with pierced holes 14, 19 are arranged. The upper and lower thick reinforcing plates of the laminated rubber support body 1 and the upper and lower fitting plates are integrally fastened by bolts. The cylindrical parts of the fitting members protruded from the pierced holes 14, 19 of the upper and lower fitting plates are fitted into the fitting holes 25, 27 of the structural member side fitting member 26 and the foundation side fitting member 24 to arrange the laminated rubber support body 1 between both fitting members. And the upper and lower fitting plates are fixed to the structure side and the foundation side fitting members respectively.

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