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    • 3. 发明公开
    • FILAMENT HAVING UNIQUE TIP AND SURFACE CHARACTERISTICS
    • FILAMENT MIT SPEZIELLEN SPITZEN- UNDOBERFLÄCHENEIGENSCHAFTEN
    • EP3154396A1
    • 2017-04-19
    • EP15744996.8
    • 2015-06-01
    • The Procter & Gamble Company
    • CHAN, John, GeoffreyWEN, CathyRENO, Elizabeth Ann, BrownCARSON, John, KitMAO, Xiaole
    • A46D1/00
    • A46D1/023A46B9/04A46B2200/1066A46D1/0207A46D1/0246
    • A filament for use in a brush implement comprises an external material and at least a first internal material. The filament includes an elongated flexible body having a length, a longitudinal axis, and a longitudinal outer surface comprising the external material, the elongated body terminating with a tip having a tip surface comprising the external material, wherein the tip surface has therein a plurality of craters distributed throughout the tip surface in a predetermined pattern, each of the craters having a surface edge of a predetermined size and a predetermined shape, walls extending longitudinally from the surface edge and comprising the external material, and a bottom comprising the at least first internal material and situated at a depth from the surface edge, the surface edge being formed by the walls and the tip surface.
    • 用于刷器具的细丝包括外部材料和至少第一内部材料。 细丝包括具有长度,纵向轴线和包括外部材料的纵向外表面的细长柔性体,细长体终止于具有包括外部材料的尖端表面的尖端,其中尖端表面在其中具有多个 凹坑以预定图案分布在整个尖端表面,每个凹坑具有预定尺寸和预定形状的表面边缘,从表面边缘纵向延伸并包括外部材料的壁,以及包括至少第一内部 材料并且位于距离表面边缘的深度处,所述表面边缘由壁和尖端表面形成。