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    • 2. 发明专利
    • Partial anticorrosion method for steel bridge, and steel bridge
    • 钢桥梁和钢桥的局部抗腐蚀方法
    • JP2008308846A
    • 2008-12-25
    • JP2007156349
    • 2007-06-13
    • Jfe Engineering KkJfe Steel KkJfeエンジニアリング株式会社Jfeスチール株式会社
    • KATO SHINJIMATSUDA MINORUKAGE ISAMUNAKANISHI KATSUYOSHIKANO ISAMU
    • E01D1/00E01D22/00
    • PROBLEM TO BE SOLVED: To provide a partial anticorrosion method for a steel bridge, which enables a surface to be clearly divided into a region for undergoing anticorrosion coating and a region for dispensing with the anticorrosion coating, and to provide the steel bridge.
      SOLUTION: This steel bridge 1 for supporting a floor slab 30 is composed of right and left main girders 20 and 10, both of which are formed of weatherable steel. A right-side additional member 28 as a nonstructural member, which is protruded from a windward side surface 241 of a right-side web of the right main girder 20, is mounted on the windward side surface 241 of the right-side web of the right main girder 20. A position to mount the right-side additional member 28 is set as a position to divide the windward side surface 241 into a windward side highly-corroded portion 241A of the right-side web, which is estimated to be corroded to a predetermined degree of corrosion or above, and a windward side low-corroded portion 241B of the right-side web, which is estimated to be corroded to a degree of corrosion under the predetermined degree of corrosion. A coating film M is formed by applying the anticorrosion coating to the highly-corroded portion 241A.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种用于钢桥的部分防腐蚀方法,其能够将表面清楚地划分成用于进行防腐蚀涂层的区域和用于分配防腐涂层的区域,并且提供钢桥 。 解决方案:用于支撑楼板30的钢桥1由左右主梁20和10组成,两者均由耐候性钢构成。 从右主梁20的右侧腹板的向上侧面241突出的作为非结构构件的右侧附加构件28安装在右主梁的右侧腹板的迎风侧面241上 右侧主梁20.安装右侧附加构件28的位置被设定为将迎风侧面241分割成估计被腐蚀的右侧腹板的迎风侧高度腐蚀部分241A的位置 达到预定的腐蚀程度以上,以及右侧腹板的迎风侧低腐蚀部分241B,在预定腐蚀程度下被估计腐蚀程度。 通过将防腐涂层施加到高度腐蚀的部分241A上来形成涂膜M。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Method for evaluating rust forming influence factor of steel bridge
    • 评估钢结构影响因素的方法
    • JP2008267121A
    • 2008-11-06
    • JP2008003307
    • 2008-01-10
    • Jfe Engineering KkJfe Steel KkJfeエンジニアリング株式会社Jfeスチール株式会社
    • KATO SHINJIMURAKAMI TAKUYANAKANISHI KATSUYOSHIMATSUDA MINORUKAGE ISAMUKANO ISAMU
    • E01D1/00G01N17/00
    • PROBLEM TO BE SOLVED: To provide a method for evaluating a rust forming influence factor of a steel bridge capable of reducing a manufacturing cost and a life cycle cost of the steel bridge. SOLUTION: Surfaces of a left main girder 10 and a right main girder 20 are divided for each portion of the predetermined 24 places depending on a degree of an influence to a rust forming by a plurality of influence factors which is different from the rust forming each other. An incoming salt component atmosphere coefficient, a surface salt adhesion coefficient, a washing loss coefficient and a humidity coefficient for each portion are decided based on a plurality of influence factors arranged between the range of 0-1.0 at the divided each portion as a value reflecting the degree of an influence to the rust forming and evaluate the rust property by respectively multiplying each coefficient and the rust property forecasted to be formed after 100 years later for each portion of the 24 places and by calculating the rust thickness forecasted to be finally formed in each portion of the 24 places. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够降低钢桥的制造成本和寿命周期成本的钢桥的生锈影响因素的评价方法。 解决方案:左主梁10和右主梁20的表面根据多个影响因素对锈锈形成的影响程度被划分到预定的24个位置的每一部分 生锈相互形成。 基于分布在每个部分的0-1.0之间的多个影响因素来确定每个部分的进入的盐分气氛系数,表面盐粘附系数,洗涤损失系数和湿度系数作为反映 对锈蚀形成的影响程度,并通过分别乘以在24个地点的每一部分分别乘以在100年后形成的每个系数和防锈性,并计算预测最终形成的锈蚀厚度 24个地方的每个部分。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Flying salt amount evaluating method and steel structure
    • 飞行盐价评估方法和钢结构
    • JP2005264716A
    • 2005-09-29
    • JP2005029406
    • 2005-02-04
    • Jfe Engineering KkJfeエンジニアリング株式会社
    • KATO SHINJI
    • E01D1/00
    • PROBLEM TO BE SOLVED: To evaluate the influences of the geography of a mountain located on the windward side of a bridge building point and a salt deposition amount for every bridge cross section by using an objective and simple method without performing simulation and one-year long observation of flying salt.
      SOLUTION: This flying salt amount evaluating method uses a flying salt amount predicting function for an open geography for predicting the flying salt amount on a specified portion of a steel structure located within a predetermined offshore distance from a seacoast. A geography reducing coefficient for the flying salt based on geographic factors between the seacoast and the steel structure and a portion reducing coefficient for the flying salt on the specified portion of the steel structure are previously quantified from a simulated value or a measured value. The geography reducing coefficient is multiplied by a predicted value for the flying salt amount using the flying salt amount predicting function for the open geography to predict the flying salt amount on the steel structure. Then, the portion reducing coefficient is multiplied by the predicted value for the flying salt amount on the steel structure to predict the flying salt amount on the specified portion of the steel structure.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过使用客观简单的方法来评估桥梁建筑点上风山的地理位置和每个桥梁横截面的盐沉积量的影响,而不进行模拟和一次 - 长期观察飞盐。 解决方案:该飞行盐量评估方法使用用于开放地理学的飞散盐量预测功能来预测位于距离海岸的预定海上距离内的钢结构的特定部分上的飞盐量。 基于海岸和钢结构之间的地理因素的飞盐的地理降低系数以及钢结构的特定部分上的飞盐的部分减少系数预先从模拟值或测量值量化。 利用开放地理学的飞行盐量预测函数,将地理降低系数乘以飞盐量的预测值,以预测钢结构上的飞盐量。 然后,将部分减少系数乘以钢结构上飞散盐量的预测值,以预测钢结构的特定部分上的飞盐量。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Steel bridge superior in weather resistance
    • 钢铁桥耐高温
    • JP2008261170A
    • 2008-10-30
    • JP2007105506
    • 2007-04-13
    • Jfe Engineering KkJfe Steel KkJfeエンジニアリング株式会社Jfeスチール株式会社
    • KATO SHINJIMATSUDA MINORUKANO ISAMU
    • E01D1/00E01D2/02
    • PROBLEM TO BE SOLVED: To provide a steel bridge which enables the formation of rust and the growth of corrosion generated at a main steel girder in the space between girders to be suppressed and is superior in weather resistance.
      SOLUTION: The steel bridge 1 is configured of two main girders 2a, 2b which are disposed below a floor slab 4 and support the floor slab 4. The main girders 2a, 2b are respectively configured of upper flanges 6a, 6b, webs 8a, 8b, and lower flanges 10a, 10b. A plurality of openings 14a, 14b which communicate the space 12 between the girders with the outside of the space 12 between the girders are formed at the webs 8a, 8b, respectively. The openings 14a, 14b are respectively arranged within 1/3 distance from the upper ends of the webs 8a, 8b.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种钢桥,其能够在要抑制的桁材之间的空间中的主钢梁处产生锈蚀和生成腐蚀,并且具有优异的耐候性。 钢桥1由两个主梁2a,2b构成,主梁2a,2b设置在地板4下方并支撑地板4。主梁2a,2b分别由上凸缘6a,6b,腹板 8a,8b和下凸缘10a,10b。 多个开口14a,14b分别在腹板8a,8b处形成在梁之间连通桁架之间的空间12和桁架之间的空间12的外侧。 开口14a,14b分别设置在距离腹板8a,8b的上端1/3的距离内。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Anticorrosive method of inside of steel structure having semi-enclosed structure and anticorrosive apparatus
    • 具有半封闭结构和抗静电装置的钢结构内部防腐蚀方法
    • JP2005350907A
    • 2005-12-22
    • JP2004170746
    • 2004-06-09
    • Jfe Engineering KkJfeエンジニアリング株式会社
    • HASHIMOTO MITSUYUKIISHII TAKASHIKATO SHINJIANDO MAKOTOMIWA YUKIHISA
    • E01D19/08E01D2/04
    • PROBLEM TO BE SOLVED: To provide an anticorrosive method of the inside of a steel structure having a semi-enclosed structure and an anticorrosive apparatus capable of preventing the corrosion of a steel material inside of a steel-made structure of the semi-enclosed structure at a low cost by using a dehumidifier without painting the steel material.
      SOLUTION: The semi-enclosed structure comprises a plurality of rooms R1 to R5 formed by partitioning an inside space with a partition, the dehumidifier 3 is provided to the inside or the outside of the steel-made structure of the semi-enclosed structure communicating the rooms to each other by a manhole 5 provided to the partition 2, the air inside of each room and the air incorporated from the outside is supplied to the dehumidifier 3, the dry air manufactured by the dehumidifier is directly introduced to each room from a horizontal hole 6 provided to a duct or the horizontal hole 6 and an exhaust port 7 of the end section through the duct 4 to prevent the corrosion of the inside of steel-made structure of the semi-enclosed structure by maintaining relative humidity in the room of the inside of the steel-made structure at a critical value or below.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供具有半封闭结构的钢结构的内部的防腐蚀方法和能够防止半导体器件的钢制结构内的钢材腐蚀的防腐蚀设备, 通过使用除湿器而不对钢材进行涂漆,成本低廉。 解决方案:半封闭结构包括通过将内部空间与隔板分隔而形成的多个室R1至R5,除湿器3设置在半封闭的钢制结构的内侧或外侧 通过设置在分隔件2上的人孔5将房间相互连通的结构,每个房间内部的空气和从外部引入的空气被供给到除湿器3,由除湿器制造的干燥空气直接引入每个房间 从通过管道4设置到管道或水平孔6的水平孔6和端部的排气口7,以通过保持相对湿度来防止半封闭结构的钢结构内部的腐蚀 钢结构内部的房间临界值或以下。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Method of preventing flying salinity from adhered to girder of plate girder bridge, box girder bridge, and girder bridge
    • 防止钢板吊架,钢丝绳桥和钢丝绳桥梁吊坠发生飞溅的方法
    • JP2011196052A
    • 2011-10-06
    • JP2010062269
    • 2010-03-18
    • Jfe Engineering CorpJfe Steel CorpJfeエンジニアリング株式会社Jfeスチール株式会社
    • KATO SHINJINAKANISHI KATSUYOSHITOMO HAJIME
    • E01D1/00E01D2/02E01D2/04E01D21/00
    • PROBLEM TO BE SOLVED: To provide a method of preventing flying salinity from adhered to the girder of a plate girder bridge and a box girder bridge comprising respective plate girders and box girders, and a girder bridge which is suitably used for steel bridges which are shortened in life due to the adhesion of flying salinity thereto promoting rusting and which reduces the adhesion of flying salinity thereto.SOLUTION: This plate girder bridge includes a plurality of plate girders and auxiliary installations for a plate girder bridge such as a means for decelerating the velocity of a circulation flow produced between the adjacent plate girders, for example, members which are installed on the plate girders or between the adjacent plate girders and structured so as to decelerate the velocity while allowing the circulation flow to pass therethrough, and an inspection path and a transportation tube which are installed at positions where the shearing force of a burble flow from the lower surface producing the circulation flow is weakened. A circulation flow deceleration means is installed on the girders or between the girders beforehand so that the velocity of the circulation flow produced between the plurality of girders can be decelerated.
    • 要解决的问题:提供一种防止飞散盐度附着在板梁桥梁和包括各自的板梁和箱梁的箱梁的梁的方法,以及适用于钢桥的长梁,其被缩短 由于飞行盐度的粘附促进生锈,并且降低了飞溅盐度对其的粘附。解决方案:该板梁大桥包括多个板梁和用于板梁桥的辅助设备,例如用于减速的装置 在相邻的板梁之间产生的循环流,例如安装在板梁上或相邻的板梁之间的构件,以便使流通速度减慢,同时允许循环流动通过;以及检查路径和 运输管,其安装在来自下部苏打的燃烧流动的剪切力的位置 产生循环流动的表面减弱。 循环流减速装置预先安装在桁架或桁架之间,使得在多个桁材之间产生的循环流动的速度可以减速。
    • 9. 发明专利
    • Method for increasing fatigue strength of weld zone, and weld joint
    • 增加焊接区疲劳强度的方法和焊接接头
    • JP2011131260A
    • 2011-07-07
    • JP2009294674
    • 2009-12-25
    • Jfe Engineering CorpJfe Steel CorpJfeエンジニアリング株式会社Jfeスチール株式会社
    • KURIHARA YASUYUKIKATO SHINJIMORIKAGE YASUSHIOTSUBO HIROFUMIDOI MAKOTO
    • B23K31/00
    • PROBLEM TO BE SOLVED: To provide a fatigue strength increasing method favorable when it is used for the hammer peening, and capable of increasing the fatigue strength of a weld zone in a steel structure such as a steel bridge by introducing the compressive residual stress without imparting any deformation forming a new stress concentration part in the weld zone.
      SOLUTION: A part of a surface of a base material distant from a toe of weld is pressed normally to the surface of the base material, preferably, a part of plastically deformed zones is moved gradually to the outer side from the side in a vicinity of the toe so as to overlap each other, and subjected to plastic deformation to introduce the compressive residual stress in the toe. Favorably, a fore end of a member to be used for pressing is substantially rectangular and has a flat part of the width of ≥4 mm, a portion of the surface of the base material exceeding 3 mm from the toe is plastically deformed, and further preferably, a recess having the radius of curvature of ≥1 mm is formed in the toe in advance before the pressing is performed.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种在用于锤击锤时有利的疲劳强度增加方法,并且能够通过引入压缩残余物来增加钢桥等钢结构中的焊接区域的疲劳强度 不会在焊接区域内产生形成新的应力集中部分的变形。 解决方案:远离焊接脚趾的基材的表面的一部分被正常地压在基材的表面上,优选地,一部分塑性变形区逐渐从侧面的外侧移动到 趾部附近彼此重叠,并进行塑性变形,以将脚趾中的压缩残余应力引入。 有利的是,用于压制的构件的前端基本上是矩形的,并且具有宽度≥4mm的平坦部分,基材表面的距离脚趾超过3mm的部分塑性变形,并且进一步 优选地,在执行按压之前,预先在趾部形成具有≥1mm的曲率半径的凹部。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Plate girder bridge and box girder bridge
    • 平板铁路桥和桥梁桥梁
    • JP2012202096A
    • 2012-10-22
    • JP2011067078
    • 2011-03-25
    • Jfe Steel CorpJfe Engineering CorpJfeエンジニアリング株式会社Jfeスチール株式会社
    • NAKANISHI KATSUYOSHIKATO SHINJITOMO HAJIME
    • E01D22/00
    • PROBLEM TO BE SOLVED: To provide a plate girder bridge and a box girder bridge suitable for a location with much salinity flying due to wind.SOLUTION: A lattice-like plate-like member 9 is mounted to a girder lower flange 4 of a main girder 2, which is on the upwind side, to be perpendicular to an angle at which wind is separated from the outer end of the girder lower flange or to be inclined at 30 to 45 degrees from the lower flange. Preferably, a corner is formed at least at one end in the opening direction of an opening of the lattice-like plate-like member 9 and the plate-like member 9 is mounted on the lower flange such that the opening linearly formed is on the upwind side. More preferably, the width of the lattice-like plate-like member 9 is larger than that of the lower flange and the opening consists of three or more rows of opening parts in a direction perpendicular to a bridge axis.
    • 要解决的问题:提供一种板梁桥梁和适用于由于风造成大量盐度飞扬的位置的箱梁桥梁。 解决方案:格子状的板状构件9安装在主梁2的在上风侧的梁下凸缘4垂直于风从外端分离的角度 或从下法兰倾斜30至45度。 优选地,在格子状的板状构件9的开口的开口方向的至少一端形成角部,并且将板状构件9安装在下凸缘上,使得线性形成的开口位于 上风侧。 更优选地,格子状的板状部件9的宽度大于下凸缘的宽度,并且开口由垂直于桥轴线的方向的三列或更多列的开口部组成。 版权所有(C)2013,JPO&INPIT