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    • 32. 发明专利
    • Different diameter pipe joint
    • 不同直径管接头
    • JP2009022958A
    • 2009-02-05
    • JP2007185508
    • 2007-07-17
    • Kunitekku:Kk株式会社 クニテック
    • KUNIMOTO YUKITAKAMATSUO MASAJI
    • B21D51/16F16L25/00
    • PROBLEM TO BE SOLVED: To provide a different diameter pipe joint in which a weld zone is eliminated, and reliability to leakage is improved. SOLUTION: The different diameter pipe joint has a bent region and an expanded pipe region integrally formed from one pipe stock. The bent region has a first straight line part and a second straight line part connected at the bent part, the inner wall face of the first straight line part is formed as a first press-formed face at least in the vicinity the bent part, the inner wall face of the second straight line part is formed as a second press-formed face at least in the vicinity of the bent part, and the first press-formed face and the second press-formed face are directly connected at the inner circumferential side of the inner wall face of the bent part or are close each other. The expanded pipe region has: an almost cylindrical large-diameter part; an almost cylindrical small-diameter part; and a shift part shifted therebetween, and the sheet thickness of the shift part is larger than that of the large-diameter part and also larger than that of the small-diameter part. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供消除焊接区域的不同直径的管接头,提高了泄漏的可靠性。

      解决方案:不同直径的管接头具有由一个管材一体形成的弯曲区域和膨胀管区域。 弯曲区域具有连接在弯曲部分处的第一直线部分和第二直线部分,第一直线部分的内壁面至少在弯曲部分附近形成为第一压制成形面, 第二直线部分的内壁面至少在弯曲部附近形成为第二压制成形面,第一压制成形面和第二压制成形面在内周侧直接连接 的弯曲部分的内壁面或彼此靠近。 膨胀管区域具有:几乎圆柱形的大直径部分; 几乎圆柱形的小直径部分; 并且其间偏移部分移动,并且变速部分的板厚度大于大直径部分的板厚度,并且还大于小直径部分的片材厚度。 版权所有(C)2009,JPO&INPIT

    • 36. 发明专利
    • スピニング加工方法およびスピニング加工装置
    • 纺丝加工方法和纺丝加工机
    • JP2015221461A
    • 2015-12-10
    • JP2015180313
    • 2015-09-14
    • 株式会社 クニテックトヨタ自動車株式会社
    • 国本 幸孝塩野谷 哲山本 啓史
    • B21D22/14
    • 【課題】筒状のワークのスピニング加工方法において、ワークの外形を超えた成形(ワークの外形の範囲内に制限されることなく任意の方向に成形する加工)を行えるようにする。 【解決手段】ワーク4のスピニング加工時に、複数のローラ12(第1ローラ12A、第2ローラ12B)がワーク4を抱えるように保持する。この状態で、これらのローラ12を公転させつつワーク4に押し付けるとともに、ワーク支持台3またはスピニングヘッド7のいずれか一方を他方に対して相対的に移動させる。これにより、ワーク4の加工部4bの外形ラインがワーク4の支持部4aの外形ラインより外側に位置する成形加工を施す。 【選択図】図1
    • 要解决的问题:在圆筒形工件的纺丝加工方法中,进行超过工件轮廓的成型(在任意方向成型工件的处理,不限于工件的轮廓范围)。解决方案: 在工件4的纺丝加工中,多个辊12(第一辊12A,第二辊12B)保持工件4以便包围它。 在这种状态下,工件4在旋转辊12的同时被按压,工件支撑基座3或旋转头7中的任一个相对移动。 通过该结构,进行成形处理,其中工件4的处理部分4b的轮廓线位于工件4的支撑部分4a的轮廓线的外侧。
    • 39. 发明专利
    • Eyejoint and method of manufacturing the same
    • 眼睛及其制造方法
    • JP2013104502A
    • 2013-05-30
    • JP2011249642
    • 2011-11-15
    • Kunitekku:Kk株式会社 クニテック
    • KUNIMOTO YUKITAKA
    • F16L41/02
    • PROBLEM TO BE SOLVED: To provide an eyejoint having sufficient product performance, in which manufacturing procedure is not cumbersome and production cost can be reduced, and to provide a method of manufacrturing the same.SOLUTION: In the eyejoint 100 having a cup-like member 120 having a hole 123 and an opening 124 facing the same and a cup-like member 110 having the opening 114 having the same diameter as the above opening and characterized in that the two members are engaged such that the two openings face and have branched pipes 130, the first spigot part 115 is arranged in a peripheral part of the one opening and a convex part 116 is arranged in a distal end of the same, the second spigot part 125 for inwardly fitting the first spigot part and a concave part 126 into which the convex part is pressedly fitted are arranged in a peripheral part of the other opening, the two members are fixed by the convex part being pressedly fitted into the concave part and deforming and being caulked.
    • 要解决的问题:为了提供具有足够的产品性能的接头,其制造过程不麻烦,并且可以降低生产成本,并提供制造方法。 解决方案:在具有孔123和面向其的开口124的杯形构件120的眼睛接头100中,以及具有与上述开口直径相同的开口114的杯状构件110,其特征在于 两个构件接合,使得两个开口面向并具有分支管130,第一插口部115布置在一个开口的周边部分中,并且凸出部116布置在其远端中,第二插口 用于向内装配第一插口部的部分125和压紧凸部的凹部126布置在另一开口的周边部分中,两个部件通过压配合到凹部中的凸部固定, 变形和填缝。 版权所有(C)2013,JPO&INPIT
    • 40. 发明专利
    • Vehicular axle housing and manufacturing method thereof
    • 车身轴承座及其制造方法
    • JP2009096359A
    • 2009-05-07
    • JP2007270456
    • 2007-10-17
    • Kunitekku:Kk株式会社 クニテック
    • KUNIMOTO YUKITAKAMATSUO MASAJI
    • B60B35/16B21D53/90
    • Y02T10/86
    • PROBLEM TO BE SOLVED: To further improve the operability and riding comfort of a vehicle by reducing an axle housing in weight and applying the axle housing to the vehicle.
      SOLUTION: The axle housing 1 is formed so that a shaft core 2 linearly extends and is formed in an integrated tube having no welded portion. An axle shaft can be incorporated in a straight tube portion 3 configuring each end portion of a shaft direction of the axle housing 1. An intermediate portion of the shaft direction of the axle housing 1 is formed into a bulging portion 4 having a cross section larger than that of the straight tube portion 3, and a differential gear combination can be incorporated into the bulging portion 4.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过减轻车轴重量并将轴壳应用于车辆来进一步提高车辆的操作性和乘坐舒适性。 解决方案:轴壳体1形成为使得轴芯2线性延伸并形成在没有焊接部分的整体管中。 车轮轴可以结合在构成车轴壳体1的轴方向的每个端部的直管部分3中。轴壳体1的轴向的中间部分形成为具有横截面较大的凸起部分4 与直管部3相比,可以将凸缘部4内的差动齿轮组合结合起来。(C)2009,JPO&INPIT