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    • 2. 发明授权
    • Method and apparatus for manufacturing abrasive articles
    • 用于制造磨料制品的方法和装置
    • US5863305A
    • 1999-01-26
    • US930098
    • 1997-11-12
    • Kris A. BeardsleyJonathan M. LiseBrent D. NiccumRufus C. Sanders, Jr.
    • Kris A. BeardsleyJonathan M. LiseBrent D. NiccumRufus C. Sanders, Jr.
    • B24D3/28B24D11/00B24D13/14
    • B24D13/147B24D3/28
    • A method for making a nonwoven a abrasive article. A preferred aspect of the method comprises the steps of: a) providing a nonwoven web having a first side and a second side, the web comprising a plurality of fibers; b) frothing a liquid make coat precursor; c) applying the frothed make coat precursor to at least the first side of the web in such a manner so as to achieve a substantially uniform coating of the make coat precursor along the fibers of the web; d) spraying a plurality of fine abrasive particles onto the first side of the web, wherein the particles are sprayed so as to form a cloud of abrasive particles that deposit onto the fibers of the web in a substantially uniform distribution; and e) curing the make coat precursor to thereby form a hardened make coat which adheres the abrasive particles to the web and wherein the abrasive particles substantially protrude from the outer surface of the hardened make coat.
    • PCT No.PCT / US96 / 06276 Sec。 371日期1997年11月12日 102(e)日期1997年11月12日PCT提交1996年5月3日PCT公布。 第WO97 / 42003号公报 日期1997年11月13日制造无纺布的磨料制品的方法。 该方法的优选方案包括以下步骤:a)提供具有第一侧和第二侧的非织造纤维网,所述纤维网包含多根纤维; b)起泡液体涂层前体; c)以这样的方式将发泡的制作涂层前体施加到幅材的至少第一侧,以便沿着幅材的纤维实现构图涂层前体的基本上均匀的涂层; d)将多个细磨料颗粒喷涂到幅材的第一侧上,其中喷射颗粒以形成以大致均匀分布沉积在纤维网的纤维上的磨料颗粒云; 以及e)固化所述成膜涂层前体,从而形成硬化的底涂层,所述硬化的涂层将所述磨料颗粒粘附到所述网状物上,并且其中所述磨料颗粒基本上从所述硬化的涂层的外表面突出。
    • 4. 发明授权
    • Integrally molded brush and method of making the same
    • 整体成型刷子及其制作方法
    • US06730140B2
    • 2004-05-04
    • US10087300
    • 2002-02-04
    • Kent E. LagesonYvonne I. LundBrent D. NiccumCarole A. Tronnes
    • Kent E. LagesonYvonne I. LundBrent D. NiccumCarole A. Tronnes
    • B24D1100
    • B24D18/0009B24D13/10
    • An integrally molded brush. A preferred embodiment of the integrally molded brush includes a) a generally planar hub having an outer periphery, where the hub has a thickness of at least 0.05 inches; and b) a plurality of bristles extending from the outer periphery of the hub, where each of the bristles includes a bristle tip opposite the hub, where the bristle tip has a thickness up to 0.03 inches, and where the molded brush comprises a thermoplastic polymeric material. The present invention also provides a method of molding an integrally molded brush. A preferred embodiment of the method includes the steps of: a) heating a thermoplastic polymer to allow the thermoplastic polymer to be injected into a mold; b) injecting the thermoplastic polymer into a mold, wherein the mold includes a hub section and a plurality of bristle sections in fluid communication with the hub section, where the bristle tip section has a thickness up to 0.03 inches; c) injecting the thermoplastic polymer into the hub section of the mold, while maintaining the thermoplastic polymer at a high enough temperature to prevent solidification of the thermoplastic polymer; d) injecting the thermoplastic polymer into the plurality of bristle sections of the mold so as to substantially fill the plurality of bristle sections with the thermoplastic polymer; e) sufficiently cooling the thermoplastic; and f) thereafter removing the integrally molded brush from the mold.
    • 整体模制的刷子。 整体模制的刷子的优选实施例包括:a)具有外周边的大致平坦的轮毂,其中轮毂具有至少0.05英寸的厚度; 和b)从轮毂的外周延伸的多个刷毛,其中每个刷毛包括与轮毂相对的刷毛尖端,其中刷毛尖端具有高达0.03英寸的厚度,并且其中模制刷包含热塑性聚合物 材料。 本发明还提供了一体成形刷子的成型方法。 该方法的优选实施方案包括以下步骤:a)加热热塑性聚合物以使热塑性聚合物注入模具中; b)将热塑性聚合物注射到模具中,其中模具包括毂部分和与轮毂部分流体连通的多个刷毛部分,其中刷毛尖端部分具有高达0.03英寸的厚度; c)将热塑性聚合物注入到模具的毂部分中,同时将热塑性聚合物保持在足够高的温度以防止热塑性聚合物的固化; d)将热塑性聚合物注射到模具的多个刷毛部分中,以便基本上用热塑性聚合物填充多个刷毛部分; e)充分冷却热塑性塑料; 以及f)之后从模具中取出一体模制的刷子。
    • 5. 发明授权
    • Nonwoven abrasive article and method of making same
    • 无纺布磨料制品及其制造方法
    • US5591239A
    • 1997-01-07
    • US297807
    • 1994-08-30
    • Eric G. LarsonRufus C. Sanders, Jr.Brent D. NiccumWalter W. PawlikowskiElizabeth C. Edblom
    • Eric G. LarsonRufus C. Sanders, Jr.Brent D. NiccumWalter W. PawlikowskiElizabeth C. Edblom
    • A47L13/16B24D3/28B24D11/00F02B75/02B24D3/02C09K3/14
    • A47L13/16B24D11/005B24D3/28F02B2075/027
    • An open low-density abrasive article comprising in combination:(a) a lofty, open, nonwoven three-dimensional fibrous web formed of a plurality of interentangled randomly-extending polyamide staple fibers including points of intersection and contact between the fibers, the points of intersection and contact between the fibers being bonded together to form a three-dimensionally integrated structure throughout the web, wherein the fibers comprise surfaces and a fiber tenacity of less than 5 g/denier; (b) abrasive particles dispersed throughout the web and securely adhered to the surfaces of the fibers; and (c) resinous material dispersed throughout the web comprising (i) a hard phenolic resin formed as a cured product of a phenolic resin precursor distributed throughout the web and in contact with the fibers, and (ii) a modifier component of the type and in an amount effective to substantially prevent chemical degradation of the fibers while in contact with the phenolic resin precursor. The invention also relates to methods of making such an abrasive article and converted forms of the abrasive article.
    • 一种开放的低密度磨料制品,其组合包括:(a)由多个互相连接的随机延伸的聚酰胺短纤维形成的高度开放的非织造三维纤维网,包括所述纤维之间的交点和接触点, 纤维之间的交叉和接触结合在一起,以在整个幅材上形成三维一体化的结构,其中纤维包括表面和纤维强度小于5g /旦; (b)分散在整个幅材上并且牢固地附着在纤维表面上的磨料颗粒; 和(c)分散在整个幅材上的树脂材料包括(i)形成为分布在整个幅材上并与纤维接触的酚醛树脂前体的固化产物的硬质酚醛树脂,和(ii)该类型的改性剂组分, 其量有效地基本上防止纤维在与酚醛树脂前体接触时的化学降解。 本发明还涉及制造这种磨料制品和磨料制品的转化形式的方法。
    • 8. 发明授权
    • Integrally molded brush and method for making the same
    • US06422932B1
    • 2002-07-23
    • US09419253
    • 1999-10-15
    • Kent E. LagesonYvonne I. LundBrent D. NiccumCarole A. Tronnes
    • Kent E. LagesonYvonne I. LundBrent D. NiccumCarole A. Tronnes
    • B24D1310
    • B24D18/0009B24D13/10
    • An integrally molded brush. A preferred embodiment of the integrally molded brush includes a) a generally planar hub having an outer periphery, where the hub has a thickness of at least 0.05 inches; and b) a plurality of bristles extending from the outer periphery of the hub, where each of the bristles includes a bristle tip opposite the hub, where the bristle tip has a thickness up to 0.03 inches, and where the molded brush comprises a thermoplastic polymeric material. The present invention also provides a method of molding an integrally molded brush. A preferred embodiment of the method includes the steps of: a) heating a thermoplastic polymer to allow the thermoplastic polymer to be injected into a mold; b) injecting the thermoplastic polymer into a mold, wherein the mold includes a hub section and a plurality of bristle sections in fluid communication with the hub section, where the bristle tip section has a thickness up to 0.03 inches; c) injecting the thermoplastic polymer into the hub section of the mold, while maintaining the thermoplastic polymer at a high enough temperature to prevent solidification of the thermoplastic polymer; d) injecting the thermoplastic polymer into the plurality of bristle sections of the mold so as to substantially fill the plurality of bristle sections with the thermoplastic polymer; e) sufficiently cooling the thermoplastic; and f) thereafter removing the integrally molded brush from the mold.