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1. 发明专利

JPH0492137A VIBRATION PROOF SPRING FOR VEHICLE 失效
公开(公告)号：JPH0492137A
公开(公告)日：1992-03-25
申请号：JP20724590
申请日：1990-08-04
申请人： TOYO TIRE & RUBBER CO
发明人： YASUO TOSHIYUKI , DORO NOBUYUKI , KAWAI TAKAO
IPC分类号： B60G11/00 , B60G17/015 , F16F1/36 , F16F1/40 , F16F1/54
摘要： PURPOSE:To lighten the weight of vibration proof spring reduce a contact face of a ion plate with rubber and enable higher damping by arranging fiber cord layers on a rubber elastic substance in parallel to the surfaces of fixtures and in multiple. CONSTITUTION:At least two pieces of angular iron fixtures 1, 4 the horizontal cross section of which are formed in angular shape are arranged with the tops tending to the same side, rubber elastic substance 5 is fixedly laid therebetween and fiber cord layers 6 are arranged on the rubber elastic substance 5 in parallel to the surfaces of the angular fixtures 1, 4 and in multiple. In this way, the rigidity of the rubber elastic substance 5 corresponding to shearing force is equal to or smaller than that of a conventional rubber elastic substance which has no fiber cords 6 to increase the rate of damping to vertical vibration. Resistance to horizontal compressing force, or hardness, is greater than that of a rubber unit and almost equal to that in laying several iron plates therebetween, so that the usage of the angular fixtures in the middle positions can be reduced to proportionally make the rubber elastic substance lighter and the inertia force smaller and to allow more quickly damped vibration.

2. 发明专利

JPS6487499A ELASTIC TYPE FLUID PRESSURE JACK 失效
公开(公告)号：JPS6487499A
公开(公告)日：1989-03-31
申请号：JP24494787
申请日：1987-09-28
申请人： TOYO TIRE & RUBBER CO
发明人： YAMAZAKI KYOJI , NISHIGAKI SHIZUO , YOKOBORI SHIZUO , MIYAI KAZUYUKI , YASUO TOSHIYUKI
IPC分类号： B66F3/35
摘要： PURPOSE: To provide an excellent jack function and to freely adjust the height by detachably fitting lateral and longitudinal ring-shaped endless belts on the outer periphery of a pressure bag body, introducing fluid pressure into a constituted high-pressure reinforcing body, and enabling lifting and lowering of a heavy article. CONSTITUTION: Both side edges of two upper and lower vulcanized sheets in which polyester cords are embedded in an elastic polymer material into a cross shape are bonded to each other by adhesives, the bonded part are turned up and bonded by adhesives, and both terminals in the longitudinal direction are similarly turned up and bonded to each other, and a pressure bag body 1 is formed. An elastic hydraulic jack is constituted by the combination of the pressure bag body 1 and longitudinal and lateral endless belts 5, 6. As a result, soft and easy inflation is obtained, an excellent jack function is exhibited, and the height can be freely adjusted by the adjustment of pressure such as air, water, or the like.

3. 发明专利

JPH03244841A RUBBER BUSH 失效
公开(公告)号：JPH03244841A
公开(公告)日：1991-10-31
申请号：JP4365590
申请日：1990-02-22
申请人： TOYO TIRE & RUBBER CO
发明人： NOMURA SHINICHIRO , YASUO TOSHIYUKI , INADA TAKESHI , NISHI TAKASHI
IPC分类号： B60G11/22 , F16F1/38
摘要： PURPOSE:To secure a soft characteristic in both torsion and twist directions by interposing rubber in the central part and both ends lying between a middle core and an outer cylinder, and setting up yet harder rubber as far as 15 deg.-20 deg., in the central part, as compared with that in both these ends. CONSTITUTION:A cushion rubber bush is provided with an outer cylinder 2 to a middle core 1 and it consists of soft rubber 3 at both ends and hard rubber 4 in the central part. Hardness of this rubber 4 is harder as far as 15 deg.-20 deg. (JIS K6301) than that of the rubber 3, and an application ratio of the rubber 4 to 3 is set to about 1/4-1/3 or so. With this constitution, in relation to the axial rectangular direction, a spring constant becomes heightened, so that a soft characteristic in both torsion and twist directions is securable.

4. 发明专利

JPS5372218A SIMPLE FLEXIBLE JOINT 失效
公开(公告)号：JPS5372218A
公开(公告)日：1978-06-27
申请号：JP14915376
申请日：1976-12-10
申请人： TOYO TIRE & RUBBER CO
发明人： NOMURA SHINICHIROU , YASUO TOSHIYUKI
IPC分类号： F16L27/10 , F16L21/00 , F16L21/06 , F16L27/00
摘要： PURPOSE:To obtain uniform sealing force and to improve the ease of fitting through the process comprising fitting on the outer circumference of an elastic tube a rigid plate of which a portion is divided into plurality, inserting a tube to be connected into said divided portion with the latter expanded, and fixing said tube with a clamping tool.

5. 发明专利

JPH04181035A RUBBER BUSH 失效
公开(公告)号：JPH04181035A
公开(公告)日：1992-06-29
申请号：JP30793590
申请日：1990-11-13
申请人： TOYO TIRE & RUBBER CO
发明人： INADA TAKESHI , YASUO TOSHIYUKI
IPC分类号： F16F1/38
摘要： PURPOSE:To attain high spring in a direction perpendicular to the bush axis and low spring in a direction of forcefully opening simultaneously by arranging fiber cords only in the middle portion of a tubular rubber elastic body in a rubber bush consisting of an inner tube, an outer tube and a tubular rubber elastic body as a buffer member connecting the two together. CONSTITUTION:An outer tube 2 is disposed radially outward of an inner tube 1 concentrically therewith, and the two tubes are connected together integrally and elastically by a tubular rubber elastic body 4. A fiber cord 3 is arranged in the axially middle portion of the tubular rubber elastic body 4 partially and regularly. When forceful opening is applied to an axial center 5, in the middle portion the rigidity is high due to the fiber cord to suppress the deformation and at both end portions the bush is easily deformed to attain low spring in spring characteristic in the direction of forceful bush opening. In the direction perpendicular to the axis, high spring in spring characteristic is attained at the same time. The fiber cord 3 may be made of polyester, nylon, rayon, steel, or the like.

6. 发明专利

JPH0319835A MANUFACTURE OF VIBRATION PROOFING SUPPORTER 失效
公开(公告)号：JPH0319835A
公开(公告)日：1991-01-29
申请号：JP15506089
申请日：1989-06-16
申请人： TOYO TIRE & RUBBER CO
发明人： KAWAI TAKAO , YASUO TOSHIYUKI , MIYAMAE TOSHIYUKI
IPC分类号： E04B1/36 , B29C43/20 , B29D99/00 , B29K21/00 , B29L31/00 , B32B25/02 , E04H9/02 , F16F1/36 , F16F15/08
摘要： PURPOSE:To improve vibration proofing function in the vertical direction and vibration releasing function in the transverse direction by dispersing a reinforcing material in rubber and molding it into a shape of roll, and then cutting it into a large number of reinforcing rubber plates, and further, laminating and then vulcanizing them between upper and lower hard plates. CONSTITUTION:A complex rubber composition wherein a linear or sheet-shaped reinforcing material is dispersed in rubber is molded into a shape of roll which has a diameter equal to that of a purposed vibration proofing supporter, and it is cut at right angles with respect to the axis direction so as to make a large number of reinforcing rubber plates 3 with desire thickness. These multiple sheets are laminated and molded between hard plates 1, 2, and vulcanized then. The rubber constituting the reinforcing rubber plates 3 is natural rubber, styrene-butadiene rubber or the like, and the linear reinforcing material comprises synthetic fiber, inorganic fiber and metal fiber, and the sheet is a woven and knitted material consisting of the fibers mentioned above. And, it is preferred to laminate rubber soft plates 4 or metal plates 5 on the reinforcing rubber plates 3. Inasmuch as the reinforcing material is interrupted at the upper and lower surfaces of the reinforcing plates 3, the transverse ridigity as a vibration proofing supporter becomes small, and thus the vertical rigidity can be changed broadly.

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