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    • 5. 发明授权
    • Dental floss having improved fray and shred resistance
    • 牙线具有改善的磨损和抗撕碎性能
    • US5908039A
    • 1999-06-01
    • US122122
    • 1998-07-24
    • Harold D. OchsJohn ChodzkoVipul Dave
    • Harold D. OchsJohn ChodzkoVipul Dave
    • A61C15/04A61C15/00
    • A61C15/041
    • A dental floss comprising a multifilament yarn having at least one coating applied thereon. The yarn comprising the floss is substantially untwisted and comprises entanglement nodes having a frequency of between about 0.5 and about 3.5 inches. The yarn has a basis weight between about 500 and about 1200 denier. The coating applied to the yarn comprises a water-insoluble binder. Optionally, the floss may be coated with a second coating material comprising a water soluble substance such as polyethylene glycol for delivery of additives or additional flavors. With little or no twist and an optimum degree of air-entanglement, the yarn is held together loosely enough to allow a significant amount of coating material to be impregnated between the filaments but tight enough to provide shred and fray resistance and still have supple feel.
    • 一种牙线,其包括在其上具有至少一个涂层的复丝纱线。 包括牙线的纱线基本上是未扭绞的,并且包括频率在约0.5至约3.5英寸之间的缠结节点。 纱线的基重在约500至约1200旦尼尔之间。 施加到纱线上的涂层包括水不溶性粘合剂。 任选地,牙线可以涂覆有包含水溶性物质如聚乙二醇的第二涂料,用于递送添加剂或另外的香料。 很少或没有扭曲和最佳程度的空气缠结,纱线松散地保持在一起,以允许大量涂层材料被浸渍在细丝之间,但足够紧密以提供切割和抗磨损并且仍然具有柔软的感觉。