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    • 7. 发明授权
    • Absorbent and cushioning products and their manufacture
    • 吸收和缓冲产品及其制造
    • US5149332A
    • 1992-09-22
    • US311600
    • 1988-10-11
    • Richard R. WaltonRichard C. WaltonGeorge E. MunchbachRobert W. Young
    • Richard R. WaltonRichard C. WaltonGeorge E. MunchbachRobert W. Young
    • A61F13/20
    • A61F13/2065Y10T428/24446
    • In a product including at least a first layer of fibers, the layer residing in a thickened, shortened microundulated state as a result of longitudinal micro-compressive treatment, the layer is characterized by being shortened at least 20% of its original length in the direction of treatment, there being at least 10 microundulations per inch in the layer in the direction of the treatment, the compressed-together relationship achieved by the treatment being substantially preserved in said product with adjacent microundulations in said layer residing with their sides abutting one another. The microundulated layer is shape-retentive and has stored mechanical energy capable, under activating conditions, to cause the product to expand. Products, and a method of producing such products, are also described. The products include superabsorbent assemblages, tampons, pads, cushions and liquid distributing and storage articles.
    • PCT No.PCT / US86 / 02647 Sec。 371日期:1988年10月11日 102(e)日期1988年10月11日PCT Filted 1986年12月8日PCT公布。 出版物WO88 / 04164 日期:1988年6月16日。在包括至少第一层纤维的产品中,该层由于纵向微压缩处理而处于增厚的,缩短的微环境状态,其特征在于缩短至少20% 在其处理方向上的原始长度,在处理方向上在层中每英寸至少有10个麦芽,通过处理实现的压缩关系基本上保留在所述产品中,其中所述层中的相邻的杂环位于 两边彼此相邻。 微粒层是形状保持性的,并且在活化条件下具有储存的机械能,以使产品膨胀。 还描述了产品和生产这种产品的方法。 产品包括超吸收组合,卫生棉条,垫,垫子和液体分配和储存物品。
    • 8. 发明授权
    • Tampon
    • 卫生棉条
    • US4627849A
    • 1986-12-09
    • US754669
    • 1985-07-11
    • Richard R. WaltonRichard C. WaltonGeorge E. MunchbachRobert W. Young
    • Richard R. WaltonRichard C. WaltonGeorge E. MunchbachRobert W. Young
    • A61F13/15A61F13/20A61F13/472A61F13/53A61F13/16
    • A61F13/2065Y10S604/904
    • The exterior of a compressed tampon, e.g. for absorbing menstrual discharge, is formed from a bat of substantially aligned absorbent fibers that have been preshortened in a microundulated state as a result of longitudinal compressive pretreatment. The preshortening, generally more than 20% of original length of the fibers, is selected to permit substantial recovery of original dimension, there being at least 10 of the microundulations per inch prior to incorporation in the tampon. The microundulations are shape-retentive (in the dry state) and reside with the sides of adjacent microundulations close together. Because of the pretreated state, the absorbent fibers have stored mechanical energy in a predetermined selected direction within the final tampon. They are highly moisture sensitive, responsive to small amounts of liquid to cause release of the mechanical energy and expansion in the given direction to cause rapid expansion of the exterior of the tampon. One preferred tampon has such a pretreated outer layer and an inner core of nontreated tampon material, though many other constructions are possible. In this preferred tampon the pretreated outer layer serves as a high-speed transfer member to uniformly distribute the fluids about the core to produce high rate of expansion, high total expansion and improved absorbency.
    • 压缩卫生棉条的外部,例如 用于吸收月经排出物由从纵向压缩预处理结果被预置在微环境状态的基本排列的吸收性纤维的蝙蝠形成。 纤维的原始长度通常超过20%被选择以允许基本上恢复原始尺寸,在结合在棉塞中之前,每英寸至少有10个麦芽包围。 这些麦克风是形状保持性的(处于干燥状态),并且与相邻麦粒的侧面靠近在一起。 由于预处理状态,吸收性纤维已经在最终卫生棉条内以预定的选定方向储存机械能。 它们具有高度的湿度敏感性,响应于少量液体,导致机械能释放并在给定方向膨胀,引起卫生棉条外部的快速膨胀。 一种优选的卫生棉条具有这样的预处理的外层和未处理的棉塞材料的内核,尽管许多其它构造也是可能的。 在这种优选的棉条中,预处理的外层用作高速转移构件,以使流体均匀地分布在芯周围,以产生高膨胀率,高总膨胀和改善的吸收性。