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    Insert molding razor cartridges
    4.
    发明授权
    Insert molding razor cartridges 有权
    插入成型刀片

    公开(公告)号：US06852262B2

    公开(公告)日：2005-02-08

    申请号：US10142123

    申请日：2002-05-09

    申请人： William R. Brown, Jr. ,  William C. Carson ,  Alexander T. Chenvainu ,  Thomas A. Christman ,  Kenneth E. Johnson ,  Charles P. Kiricoples ,  Alejandro Lee ,  Cardy J. Louis ,  Helge Zimmet

    发明人： William R. Brown, Jr. ,  William C. Carson ,  Alexander T. Chenvainu ,  Thomas A. Christman ,  Kenneth E. Johnson ,  Charles P. Kiricoples ,  Alejandro Lee ,  Cardy J. Louis ,  Helge Zimmet

    IPC分类号： B26B21/14 ,  B26B21/54 ,  B29C45/00 ,  B29C45/14 ,  B29C45/16 ,  B29D5/00 ,  B28B5/00 ,  B28B7/22 ,  B29B13/00

    CPC分类号： B29C45/1676 ,  B29C45/0025 ,  B29C45/0046 ,  B29C45/14008 ,  B29C45/14065 ,  B29C45/14336 ,  B29C45/14426 ,  B29C45/1671 ,  B29C2045/0027 ,  B29L2031/7186

    摘要： Methods of manufacturing razor cartridges are provided. One method includes loading a support portion of a supported blade into an elongated blade slot defined by a core member, the core member being configured to define a portion of a molding cavity defining the shape of the cartridge housing; and delivering a resin to the molding cavity to form the housing and capture a portion of the blade in the resin. In another method, a plurality of razor cartridges are manufactured substantially simultaneously by (a) removably mounting each blade on a core member; (b) placing each core member in a molding cavity; and (c) delivering a resin to the molding cavities to form at least a portion of the cartridge housing and capture a portion of the blade in the resin. In other methods a flexible region is provided adjacent the blade ends by: (a) delivering a compliant material to the molding cavity to capture at least the ends of the blade; (b) placing the blade and molded compliant material in a second molding cavity defining the shape of the molded housing; and (c) delivering a resin to the second molding cavity to form the molded housing, or by (a) providing coring areas in the molding cavity beyond each of the blade ends, configured to provide a flexible region of plastic adjacent each blade end in the finished product; and (b) delivering a resin to the molding cavity. In some methods, the resin is delivered through a gate that is positioned so that a substantial portion of the resin flow goes by the blade ends before the molding cavity is filled.

    摘要翻译： 提供制造刀片的方法。 一种方法包括将支撑的刀片的支撑部分加载到由芯构件限定的细长刀片槽中，该芯构件构造成限定限定药筒外壳形状的模制腔的一部分; 以及将树脂输送到所述模腔以形成所述壳体并且捕获所述树脂中的所述叶片的一部分。 在另一种方法中，通过（a）将每个刀片可拆卸地安装在芯构件上，基本上同时制造多个剃刀刀片架; （b）将每个芯构件放置在模腔中; 和（c）将树脂输送到模制腔以形成盒壳体的至少一部分并且捕获树脂中的一部分叶片。 在其他方法中，通过以下方式，在刀片端部附近提供柔性区域：（a）将顺应性材料输送到模制腔以至少捕获刀片的端部; （b）将刀片和成型的顺应性材料放置在限定模制壳体的形状的第二模腔中; 或者通过（a）在所述模制腔中提供超过每个所述叶片端部的取芯区域，所述取芯区域被配置成在每个所述叶片端部附近提供与每个叶片端部相邻的柔性塑料区域 成品; 和（b）将树脂输送到模制腔。 在一些方法中，树脂通过浇口输送，该浇口被定位成使得在填充模腔之前树脂流的大部分流过叶片端。