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    GRINDING METHOD OF HONEYCOMB STRUCTURE
    1.
    发明申请
    GRINDING METHOD OF HONEYCOMB STRUCTURE 有权
    蜂窝结构研磨方法

    公开(公告)号：US20140087636A1

    公开(公告)日：2014-03-27

    申请号：US14029851

    申请日：2013-09-18

    Applicant: NGK INSULATORS, LTD.

    Inventor： Yasumasa FUJIOKA ,  Masanari IWADE ,  Akifumi NISHIO ,  Taishi MICHIWAKI

    IPC: B24B5/50

    CPC classification number: B24B5/50 ,  B01D46/2451 ,  B24B1/00 ,  B24B5/04 ,  B24B5/14 ,  B24B5/16 ,  B24B5/26 ,  B24B5/42

    Abstract: There is disclosed a grinding method of a honeycomb structure, wherein a grind processing member having an outer peripheral surface, a first grinding wheel tapered surface and a second grinding wheel tapered surface and rotating around a central axis grinds a joined honeycomb segment assembly rotating around a central axis, and the above respective surfaces of the grind processing member form a first ground region, a second ground region, a center ground surface, a first tapered surface and a second tapered surface, to prepare the honeycomb structure including a cylindrical honeycomb base material, and a ring-like bulge portion “which surrounds an outer periphery of the honeycomb base material, protrudes from the outer periphery of the honeycomb base material toward the outside in a flange manner, and has the first tapered surface, the second tapered surface and the center ground surface.”

    Abstract translation: 公开了一种蜂窝结构体的研磨方法，其中，具有外周面，第一砂轮锥面和第二砂轮锥面的研磨处理构件围绕中心轴线旋转，所述研磨处理构件围绕 所述研磨处理用构件的上述各个表面形成第一接地区域，第二接地区域，中心接地面，第一锥形面和第二锥形面，以制备包括圆筒状蜂窝状基材的蜂窝结构体 并且围绕蜂窝状基材的外周的环状凸起部“以蜂窝状基材的外周朝向外侧以法兰状突出，并且具有第一锥形面，第二锥形面和 中心地面“。

    METHOD OF MANUFACTURING TUBULAR MEMBER FOR EXHAUST GAS TREATMENT DEVICE, AND COATING FILM FORMING DEVICE
    3.
    发明申请
    METHOD OF MANUFACTURING TUBULAR MEMBER FOR EXHAUST GAS TREATMENT DEVICE, AND COATING FILM FORMING DEVICE 有权

    公开(公告)号：US20220288631A1

    公开(公告)日：2022-09-15

    申请号：US17643601

    申请日：2021-12-10

    Applicant: NGK INSULATORS, LTD.

    Inventor： Ryo FUJIMURA ,  Kodai KATO ,  Akifumi NISHIO

    IPC: B05D3/02 ,  F01N13/14 ,  B05D1/00 ,  B05D1/02

    Abstract: A method of manufacturing a tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention, the tubular member including a tubular main body made of a metal and an insulating layer formed on at least an inner peripheral surface of the tubular main body, the insulating layer containing glass, includes steps of: forming a coating film by spraying a coating liquid for insulating layer formation onto the inner peripheral surface of the tubular main body; and firing the coating film to obtain the insulating layer. The spraying is performed while the tubular main body is rotated with a length direction thereof being a rotation axis.

    HONEYCOMB FILTER
    4.
    发明申请
    HONEYCOMB FILTER 有权
    蜂窝电话滤波器

    公开(公告)号：US20140093436A1

    公开(公告)日：2014-04-03

    申请号：US14026328

    申请日：2013-09-13

    Applicant: NGK INSULATORS, LTD.

    Inventor： Akifumi NISHIO ,  Takahiro KONDO ,  Yukio MIYAIRI

    IPC: F01N3/28

    CPC classification number: F01N3/2828 ,  B01D46/2466 ,  B01D2046/2496 ,  F01N3/021 ,  F01N3/0222 ,  F01N2330/06 ,  F01N2330/60 ,  F01N2450/28 ,  Y02T10/20

    Abstract: A honeycomb filter 100 includes honeycomb segments 4, plugging portions 5, and joining layers 7, area of outflow end surface 12 of honeycomb segment is larger than area of inflow end surface 11, and shape of cross section of honeycomb segment vertical to axial direction X has a similarity in axial direction X. Moreover, thickness of joining layer decreases in at least a part of joining layer in direction from inflow end surface side toward outflow end surface side, and length L2 of joining layer in axial direction X is smaller than 95% of length L1 of honeycomb segment in axial direction X. Furthermore, a region of honeycomb segments 4, 5 mm or more from outflow end surface 12 in axial direction X, is not provided with joining layers 7 which join side surfaces of honeycomb segments 4 to each other.

    Abstract translation: 蜂窝过滤器100包括蜂窝段4，堵塞部分5和接合层7，蜂窝段的流出端面12的面积大于流入端面11的面积，以及与轴向X垂直的蜂窝段横截面形状 另外，接合层的厚度在从流入端面侧向流出端面侧的方向的至少一部分接合层减少，接合层的轴向长度L2小于95 蜂窝片段的轴向长度L1的百分比X.此外，从轴向方向X的流出端面12的4,5mm以上的蜂窝状区域的区域不具有与蜂窝片4的侧面接合的接合层7 对彼此。

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