发明名称 METHODS OF MANUFACTURING TOOTHBRUSHES
摘要 A method is provided for manufacturing a function element carrier with function elements, for example, individual tufts made up of bristles and/or massage elements, interproximal cleaning elements, or other elements designed to be fastened to a toothbrush and also perform special functions. The function elements are equipped at their ends intended for anchoring in a toothbrush with an anchor, retainer or axle element. The method includes: (a) inserting several function elements in corresponding recesses of an injection mold, said injection mold being connected via grid or bar shaped channels formed in a die to recesses in the areas of the anchoring ends of the function elements; (b) filling the grid or bar shaped channels with liquefied plastic material and injecting said material at the anchoring ends of the function elements or embedding them therein; and (c) allowing the plastic material to cool and removing a function element carrier made up of a grid or bar shaped plastic frame and the function elements. Function element carriers and toothbrushes are also provided.
申请公布号 US2009241279(A1) 申请公布日期 2009.10.01
申请号 US20090481251 申请日期 2009.06.09
申请人 发明人 STEIN BERND;MCCONNELL MARK;DEPUYDT JOSEPH;VANKOV MICHAEL;FIRATLI AHMET CEM
分类号 A46B9/04;A46B9/00;A46D3/00;B29C45/14 主分类号 A46B9/04
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