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    • 4. 发明授权
    • Vehicle bumper beam and method for manufacturing same
    • 车辆保险杠梁及其制造方法
    • US08814234B2
    • 2014-08-26
    • US13502560
    • 2010-10-18
    • Sadao KokuboYasuji KawamataSatoshi Yamaguchi
    • Sadao KokuboYasuji KawamataSatoshi Yamaguchi
    • B60R19/34
    • B60R19/34Y10T29/49622Y10T29/49938
    • A bumper beam of the present invention is provided with a tubular bumper reinforcement member (1) and a tubular crush box (2). A reinforcement member hole (15) is provided in an outer peripheral wall (11) of the bumper reinforcement member (1) in a penetrated manner. A partition wall (22) is provided so as to bridge opposed inner wall surfaces of an outer peripheral wall (21) of the crush box (2). The tip end portion of the crush box (2) is arranged so as to penetrate the reinforcement hole (15). In this state, ridge portions (25a, 25b) are formed, by means of a tube expansion process using a tube expansion die, on the crush box (2) so as to extend in a circumferential direction thereof at a front side and a rear side of the reinforcement hole (15). With this, the crush box (2) is secured to the bumper reinforcement member (1). According to the present invention, the bumper beam can be reduced in size and weight.
    • 本发明的保险杠梁设有管状保险杠加强件(1)和管状挤压箱(2)。 加强构件孔(15)以穿透方式设置在保险杠加强构件(1)的外周壁(11)中。 分隔壁(22)设置成桥接挤压箱(2)的外周壁(21)的相对的内壁表面。 粉碎箱(2)的前端部配置成穿过加强孔(15)。 在这种状态下,通过使用管膨胀模的管膨胀过程,在破碎箱(2)上沿着其前后侧的周向延伸形成有脊部(25a,25b) 一侧的加强孔(15)。 由此,粉碎箱(2)固定在保险杠加强件(1)上。 根据本发明,缓冲梁的尺寸和重量可以减小。
    • 5. 发明申请
    • METHOD OF JOINING MEMBERS
    • 加入会员的方法
    • US20090139089A1
    • 2009-06-04
    • US12296151
    • 2007-04-05
    • Masahiro MiyazakiYasuji Kawamata
    • Masahiro MiyazakiYasuji Kawamata
    • B21D39/06F16L41/00
    • B21D39/06B21D39/20F16L5/00F16L23/0283Y10T29/49375Y10T29/49938Y10T403/46
    • A method for joining members capable of firmly joining a first member made of a tubular member, such as, e.g., a pipe, to a second member is provided. The following items are prepared: a tubular first member 1 having a polygonal cross-section and a hollow portion 3, a second member 5 having an insertion hole 6 with a cross-sectional shape corresponding to a cross-sectional shape of the first member 1, and a split die 11 circumferentially split into multiple segments at positions corresponding to flat wall portions 1a of the first member 1. Then, the first member 1 is inserted into the insertion hole 6 of the second member 5, and the split die 11 is disposed in the hollow portion 3 of the first member 1. Next, each segment 11a of the split die 11 is moved radially outward of the first member 1 toward each corner 1b of the first member. As a result, an insertion portion 2a of the first member 1 inserted in the insertion hole 6 and both sections 2b and 2b axially adjacent to the insertion portions 2a are expanded to join the first member 1 and the second member 5.
    • 提供了一种用于将能够将例如管状的管状构件制成的第一构件牢固地接合到第二构件的构件的接合方法。 准备以下项目:具有多边形横截面的管状第一构件1和中空部分3,具有插入孔6的第二构件5,其具有对应于第一构件1的横截面形状的横截面形状 以及在与第一部件1的平壁部1a对应的位置周向地分割成多个部分的分割模具11.然后,将第一部件1插入到第二部件5的插入孔6中,分割模具11 配置在第一构件1的中空部3中。接着,分割模11的各段11a朝向第一构件的各个角部1b向第一构件1的径向外侧移动。 结果,插入在插入孔6中的第一构件1的插入部分2a和与插入部分2a轴向相邻的两个部分2b和2b被扩大以使第一构件1和第二构件5接合。
    • 7. 发明授权
    • Flanged pipe
    • 法兰管
    • US08714601B2
    • 2014-05-06
    • US12740511
    • 2008-10-30
    • Yasuji Kawamata
    • Yasuji Kawamata
    • F16L13/14
    • F16L23/024B21D39/06B21D39/20B21D41/026
    • An engaging dented portion is formed in a region from an axially intermediate portion of the pipe insertion hole to a position of a connecting surface of a flange on an inner peripheral surface of the pipe insertion hole. The end portion of the pipe is inserted into the pipe insertion hole of the flange so that the end face of the pipe is positioned within a range from the axially intermediate portion of the pipe insertion hole to a position of the connecting surface of the flange. Next, each die segment of an expanding die arranged in the hollow portion of the pipe is moved radially outward of the pipe to thereby subject the end portion of the pipe to an expanding process so that the end portion of the pipe is engaged with the engaging dented portion. With this, the flange is connected to the end portion of the pipe.
    • 在从管插入孔的轴向中间部到管插入孔的内周面的法兰的连接面的位置的区域形成有接合凹部。 管的端部插入到法兰的管插入孔中,使得管的端面位于从管插入孔的轴向中间部分到法兰的连接表面的位置的范围内。 接下来,布置在管的中空部分中的扩张模具的每个模具段沿管径向向外移动,从而使管的端部受到膨胀过程,使得管的端部与接合部 凹陷部分 由此,法兰连接到管的端部。
    • 8. 发明授权
    • Connection device for connection between pipe and connection member
    • 用于连接管道和连接构件的连接装置
    • US08393067B2
    • 2013-03-12
    • US12679861
    • 2008-09-24
    • Yasuji Kawamata
    • Yasuji Kawamata
    • B21D39/00B29C65/00
    • B21D39/06B21D39/20F16L23/024F16L23/0283Y10T29/49911
    • A connecting device 30 is provided with a die 1 divided into a plurality of die segments 2 centering around a wedge hole portion 11 in a circumferential direction, and a mandrel 20. Each die segment 2 of the die 1 is moved radially outward of the pipe 40 by a mandrel 20 to expand an expansion target portion 41 of the pipe 40. The die segment 2 is equipped with apiece 3 having a first pressing protruded portion 4 for pressing one of two predetermined portions 41b and 41b of the pipe 40, a die segment main body 6 having a second pressing protruded portion 7 for pressing the other portion 41b, and connection means 15 for connecting the piece 3 and the die segment main body 6 in a detachable manner.
    • 连接装置30设置有分割成围绕楔形孔部11的圆周方向的多个模具部分2的模具1和心轴20.模具1的每个模具部分2径向向外移动 40通过芯棒20膨胀管40的膨胀目标部分41.模具段2装备有具有用于按压管40的两个预定部分41b和41b中的一个的第一挤压突出部分4的模具3,模具 具有用于按压另一部分41b的第二挤压突出部分7的段主体6和用于以可拆卸的方式连接片3和模片段主体6的连接装置15。
    • 9. 发明申请
    • METHOD OF MANUFACTURING FLANGED PIPE
    • 法兰管的制造方法
    • US20100295296A1
    • 2010-11-25
    • US12740511
    • 2008-10-30
    • Yasuji Kawamata
    • Yasuji Kawamata
    • F16L13/14B21D39/00
    • F16L23/024B21D39/06B21D39/20B21D41/026
    • An engaging dented portion 10 is formed in a region from an axially intermediate portion of the pipe insertion hole 8 to a position of a connecting surface 5a of a flange 5 on an inner peripheral surface 9 of the pipe insertion hole 8. The end portion 2 of the pipe 1 is inserted into the pipe insertion hole 8 of the flange 5 so that the end face 2x of the pipe 1 is positioned within a range from the axially intermediate portion of the pipe insertion hole 8 to a position of the connecting surface 5a of the flange 5. Next, each die segment 21 of an expanding die 20 arranged in the hollow portion 4 of the pipe 1 is moved radially outward of the pipe 1 to thereby subject the end portion 2 of the pipe 1 to an expanding process so that the end portion 2 of the pipe 1 is engaged with the engaging dented portion 10. With this, the flange 5 is connected to the end portion 2 of the pipe 1.
    • 在从管插入孔8的轴向中间部到管插入孔8的内周面9的凸缘5的连接面5a的位置的区域中形成有卡合凹部10.端部2 管1的插入孔插入到法兰5的管插入孔8中,使得管1的端面2定位在从管插入孔8的轴向中间部分到连接表面5a的位置的范围内 接下来,布置在管1的中空部分4中的扩张模具20的每个模具段21沿管1的径向外侧移动,从而使管1的端部2受到膨胀过程的影响 管1的端部2与接合凹部10接合。由此,凸缘5连接到管1的端部2。
    • 10. 发明授权
    • Shock absorbing member
    • 减震器
    • US09242612B2
    • 2016-01-26
    • US14238880
    • 2012-08-16
    • Yasuji KawamataSatoshi Yamaguchi
    • Yasuji KawamataSatoshi Yamaguchi
    • F16F7/12B60R19/34B60R19/18
    • B60R19/34B60R19/18F16F7/12F16F7/121
    • A shock absorbing member includes an outer peripheral wall having a polygonal cross-sectional shape and including a plurality of side portions, and a plurality of ribs, on an inner side of the outer peripheral wall, radially extending from a central axis and connected to an intermediate position of each of the side portions. A boundary position of adjacent side portions on an outer peripheral surface of the outer peripheral wall is defined as a vertex, an intermediate position of each side portion on the outer peripheral surface of the outer peripheral wall is defined as a rib connection point, and portions segmenting each of the side portion into two, with the rib connection point as a boundary, are each defined as a half-side portion.
    • 一种减震构件,包括具有多边形横截面形状并包括多个侧部的外周壁,以及多个肋,在所述外周壁的内侧上,从中心轴线径向延伸并与 每个侧部的中间位置。 将外周壁的外周面上的相邻侧部的边界位置定义为顶点,将外周壁的外周面上的各侧部的中间位置定义为肋连接点, 将肋连接点作为边界将每个侧部分割成两个,分别被定义为半侧部分。