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公开(公告)号：US10583501B2
公开(公告)日：2020-03-10
申请号：US16075188
申请日：2017-02-06
申请人： KYOCERA CORPORATION
发明人： Yoshihito Ikeda
摘要： An insert includes an upper surface including at least one corner part and a plurality of side parts, and a side surface. The upper surface includes a corner region. The corner region includes a first corner surface, a second corner surface, a third corner surface, and a fourth corner surface which are located sequentially in order from a side of the corner part. The first corner surface is inclined downward. The second corner surface, the third corner surface and the fourth corner surface are inclined upward. An inclination angle θ12 of the second corner surface is greater than an inclination angle θ13 of the third corner surface. An inclination angle θ14 of the fourth corner surface is greater than the inclination angle θ12 of the second corner surface.
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公开(公告)号：US12011767B2
公开(公告)日：2024-06-18
申请号：US16635166
申请日：2018-07-24
申请人： KYOCERA CORPORATION
发明人： Yoshihito Ikeda
CPC分类号： B23B27/145 , B23B27/1603 , B23B2200/083 , B23B2200/201 , B23B2200/3672
摘要： A cutting insert may include a first surface, a second surface, a third surface, and a land surface. The first surface may include a first corner and a first side. The land surface may be located between the first surface and the third surface. The land surface may include a first land surface connecting to the first corner, and a second land surface connecting to the first side. A width of the first land surface in a front view as viewed from a side of the first surface may be a first width, the first width at an end portion on a side of the second land surface may be larger than the width at a part connecting to a midportion of the first corner.
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公开(公告)号：US12128483B2
公开(公告)日：2024-10-29
申请号：US17289712
申请日：2019-10-28
申请人： KYOCERA CORPORATION
发明人： Yoshihito Ikeda
CPC分类号： B23B27/14 , B23B1/00 , B23B2200/0433
摘要： A cutting insert may include a first surface including a corner and a first side, a second surface, a third surface, an inclined surface located between the first surface and the third surface, a first ridgeline located on an intersection of the inclined surface and the first surface, and a second ridgeline located on an intersection of the inclined surface and the third surface. An imaginary straight line passing through a center of the first surface and a center of the second surface may be a central axis. In a cross section which is parallel to the central axis and is orthogonal to the first side, an imaginary straight line connecting the first ridgeline and the second ridge line may be a first straight line, and the inclined surface may include a first inclined surface located more away from the central axis than the first straight line.
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公开(公告)号：US11517965B2
公开(公告)日：2022-12-06
申请号：US16321055
申请日：2017-07-26
申请人： KYOCERA CORPORATION
发明人： Yoshihito Ikeda
IPC分类号： B23B27/14
摘要： A cutting insert includes an upper surface and a cutting edge. The upper surface includes a first surface and a second surface which is located further inward than the first surface. The cutting edge includes a first cutting edge and a second cutting edge. The first surface includes a first region along the first cutting edge, a second region adjacent to the first region, and a third region which is adjacent to the second region and along the second cutting edge. The second surface includes a fourth region, a fifth region and a sixth region. A width of the second region is smaller than each of a width of the first region and a width of the third region. An inclination angle of the fifth region is smaller than each of an inclination angle of the fourth region and an inclination angle of the sixth region.
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公开(公告)号：US10710170B2
公开(公告)日：2020-07-14
申请号：US16322121
申请日：2017-07-26
申请人： Kyocera Corporation
发明人： Yoshihito Ikeda
摘要： A cutting insert includes an upper surface and upper edge. The upper surface includes a second side part, a first corner part, and a second corner part. The upper surface further includes a first surface and a second surface. The upper edge includes a first edge located at the first corner part, a second edge located at the second side part, and a third edge located at the second corner part. The second surface includes a first region extending toward the first corner part, and a second region extending toward the second corner part. A distance between the first region and the upper edge is smaller at a side of the second edge than at a side of the first edge. A distance between the second region and the upper edge is smaller at a side of the second edge than at a side of the third edge.
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公开(公告)号：US11701715B2
公开(公告)日：2023-07-18
申请号：US16644701
申请日：2018-09-21
申请人： KYOCERA Corporation
发明人： Yoshihito Ikeda
CPC分类号： B23B27/1603 , B23B35/00 , B23B27/145 , B23B2200/201 , B23B2200/242 , B23B2200/3672
摘要： A cutting insert in a non-limiting embodiment may include a first surface, a second surface, a third surface and a land surface. The first surface may include a first corner and a first side extended from the first corner. The land surface may be located between the first surface and the third surface and inclined relative to the first surface and the third surface. The land surface may include a first land surface located along the first corner, a second land surface located along the first side, and a third land surface having a concave shape which is adjacent to the second land surface and located further away from the first land surface than the second land surface.
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公开(公告)号：US11420267B2
公开(公告)日：2022-08-23
申请号：US16634576
申请日：2018-07-24
申请人： KYOCERA CORPORATION
发明人： Yoshihito Ikeda
摘要： A cutting insert may include a first surface, a second surface, a third surface, and a land surface. The first surface may include a first corner, a first side, and a second side. The land surface may be inclined relative to the first surface and the third surface. The land surface may include a first land surface connecting to the first corner. An imaginary flat surface orthogonal to a central axis connecting a center of the first surface and a center of the second surface may be a reference plane, a first inclination angle of a part of the first land surface which connects to a midportion of the first corner may be larger than a second inclination angle of a part of the first land surface which connects to an end portion at a side of the first side of the first corner.
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公开(公告)号：US11027339B2
公开(公告)日：2021-06-08
申请号：US16483410
申请日：2018-02-27
申请人： KYOCERA Corporation
发明人： Yoshihito Ikeda
摘要： A cutting insert based on a non-limiting aspect has a first member and a second member joined to the first member. The second member has an upper surface and a side surface adjacent to the upper surface. The upper surface includes a first side, a second side and a corner. The upper surface has a first convex portion extending toward the corner, and a second convex portion extending from the first convex portion toward the first side. The second convex portion has a first end portion and a second end portion located closer to the corner than the first end portion. A first length from the first end to the first side is less than a second length from the second end portion to the first side in a top view.
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公开(公告)号：US09884378B2
公开(公告)日：2018-02-06
申请号：US15037197
申请日：2014-11-17
申请人： KYOCERA Corporation
发明人： Hirohisa Ishi , Yoshihito Ikeda
CPC分类号： B23C5/207 , B23C5/06 , B23C5/202 , B23C2200/0422 , B23C2200/08 , B23C2200/123 , B23C2200/203 , B23C2200/205 , B23C2200/208
摘要： A cutting insert according to an embodiment has a polygonal shaped upper surface, a lower surface, a side surface, and a cutting edge. The cutting edge has an arc-shaped first corner edge, an arc-shaped second corner edge, and a wiper edge located between the first corner edge and the second corner edge. The wiper edge has an arc-shaped first wiper edge and an arc-shaped second wiper edge located closer to the second corner edge than the first wiper edge. R0
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公开(公告)号：US11992884B2
公开(公告)日：2024-05-28
申请号：US17260689
申请日：2019-07-17
申请人： KYOCERA Corporation
发明人： Yoshihito Ikeda
CPC分类号： B23B27/1611 , B23B1/00 , B23B27/143
摘要： A cutting part of a cutting insert may include a first surface including a corner, a first side, a first region, a second region and a third region. The first region may be located along the corner and the first side. The second region may be located at a more inner part than the first region. The third region may be located at a more inner part than the second region. A boundary between the corner and the first side may be a first point. A boundary between the first region and the second region may be a second point in a cross section that passes through the first point and is orthogonal to the first side. An imaginary straight line passing through the first point and the second point may be a first imaginary straight line. The first imaginary straight line may intersect with the third region.
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