发明名称 MULTI-LEVEL BRISTLE TUFT TOOTHBRUSH
摘要 A toothbrush is described whose head (8) has a special arrangement of bristle tufts. The arrangement includes a fan-shaped grouping of tufts (26) along left and right edges (22, 24) of the head (8). Near the front and rear ends (10, 12) of the head (8) are a grouping of tufts (36, 44) whose free ends are trimmed to define respective planes slanting downwardly towards the interior area of the head (8). Within the interior area is a further grouping of tufts arranged in a saddle-shape.
申请公布号 WO9601578(A1) 申请公布日期 1996.01.25
申请号 WO1995EP02574 申请日期 1995.06.30
申请人 UNILEVER PLC;UNILEVER N.V. 发明人 HEINZELMAN, BERT, DAVIS;LAMOND, DONALD, RICHARD;MOLDAUER, JOHN
分类号 A46B9/04;(IPC1-7):A46B9/04 主分类号 A46B9/04
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