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    ROTARY SEAL
    6.
    发明公开
    ROTARY SEAL 审中-公开

    公开(公告)号：EP3372874A1

    公开(公告)日：2018-09-12

    申请号：EP18159693.3

    申请日：2018-03-02

    申请人： Nakanishi Metal Works Co., Ltd.

    发明人： Sato, Takahiko ,  Akashi, Shinichi ,  Iizawa, Yusuke

    IPC分类号： F16J15/3232 ,  B60B27/00 ,  F16C33/78 ,  F16J15/3256 ,  F16J15/3264

    摘要： There is provided a rotary seal having uneven surfaces formed on sliding contact surfaces of a slinger with which seal lip portions of a seal member come in contact, in which wear of the seal lip portions is reduced, resulting in increased reliability. The rotary seal (1) includes: a core metal (3); the seal member (4) having a base portion (4A) joined to the core metal (3) and the seal lip portions (4B, 4C, and 4D); and the slinger (2) having the sliding contact surfaces (A and B) with which the seal lip portions (4B, 4C, and 4D) come in contact, in which each of the sliding contact surfaces (A and B) is in such a surface condition that an arithmetic average roughness Ra satisfies 0.3 µm ≤ Ra ≤ 1.0 µm, a skewness of roughness curve Rsk satisfies Rsk ≤ -1, and an average length of roughness curve element RSm satisfies 100 µm ≤ RSm, Ra, Rsk, and RSm defined by JIS B 0601:2013.

    ANNULAR INSERT MOLDED ARTICLE AND MANUFACTURING METHOD THEREOF
    9.
    发明公开
    ANNULAR INSERT MOLDED ARTICLE AND MANUFACTURING METHOD THEREOF 有权
    RINGEINSATZ-FORMKÖRPERUND VERFAHREN ZU DESSEN HERSTELLUNG

    公开(公告)号：EP2952322A1

    公开(公告)日：2015-12-09

    申请号：EP15170420.2

    申请日：2015-06-03

    申请人： Nakanishi Metal Works Co. Ltd.

    发明人： Fukuda, Osamu

    IPC分类号： B29C45/14 ,  F16C41/00 ,  G01D5/14 ,  B29C45/00

    CPC分类号： G01D5/20 ,  B29C45/14311 ,  B29C45/1459 ,  B29K2063/00 ,  B29K2077/00 ,  B29K2081/04 ,  B29K2105/16 ,  B29K2505/12 ,  B29K2995/0008 ,  B29L2031/752 ,  F16C41/007 ,  F16C2326/02 ,  G01P3/443 ,  Y10T428/218

    摘要： The present invention is intended to provide an annular insert molded article that suppresses contamination of a metal mold and generation of foreign matter without increase in material costs for an adhesive or contamination of a transfer jig, and has a high adhesion strength so that, when the annular insert molded article is attached to a rotating body, the adhesive does not peel off from the insert or remain as foreign matter in the rotating body, and a manufacturing method thereof.
    An annular insert molded article 1 is manufactured by injection molding in a state where a thermoset resin adhesive A is applied to a joining surface of an annular insert 2 attachable to a rotating body to an annular plastic 3 and then the annular insert 2 is placed in a metal mold, where an annular plastic 3 is injection molded, wherein the range of the adhesive A applied to the annular insert 2 is a range not going beyond boundaries B1 and B2 with the annular plastic 3 by more than 3 mm, and the range does not include a portion C of the annular insert 2 to be fitted with the rotating body.

    摘要翻译： 本发明旨在提供一种环形的嵌入成型制品，其抑制金属模具的污染和异物的产生，而不增加粘合剂的材料成本或转移夹具的污染，并且具有高粘合强度，使得当 环状嵌入成型品安装在旋转体上，粘合剂不会从插入物剥离或留在旋转体中的异物及其制造方法。 在将热固性树脂粘合剂A施加到环形插入件2的与旋转体相连接的环形插入件2的接合面到环状塑料3的状态下，通过注射成型制造环形插入成型品1，然后将环形插入件2放置在 金属模具，其中环形塑料3被注塑成型，其中施加到环形插入件2的粘合剂A的范围是不超过边界B1和B2的范围，环形塑料3超过3mm，范围 不包括环形插入件2的与旋转体配合的部分C.