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    • 26. 发明授权
    • Abrasive article method of making same and abrading apparatus
    • 磨料制造方法及研磨装置
    • US06197076B1
    • 2001-03-06
    • US09286569
    • 1999-04-05
    • Ehrich J. BraunschweigDonald R. Bell
    • Ehrich J. BraunschweigDonald R. Bell
    • B24D300
    • B24D3/28B24D3/002B24D11/001B24D11/02
    • The invention provides a substantially flat coated abrasive article having a fabric-reinforced backing which may include engaging elements such as hooks for releasable attachment to the surface of an abrading apparatus and a method of making the article. The invention also provides an abrading apparatus which includes a back-up pad having releasably attached thereto the abrasive article. The article comprises a substantially flat sheet-like substrate comprised of thermoplastic material and a porous fibrous reinforcing element contained within the substrate and an abrasive layer disposed on a surface of the substrate. The opposite surface of the substrate may include the engaging elements. The article is made by deploying the fabric on a surface, depositing molten thermoplastic polymer over the fabric, removing the substrate from the surface and applying the abrasive layer to one surface of the substrate.
    • 本发明提供了一种具有织物增强背衬的基本平坦的涂覆的磨料制品,其可以包括用于可释放地附接到研磨装置的表面的钩的接合元件和制造该制品的方法。 本发明还提供了一种研磨装置,其包括可释放地附接到磨料制品上的支撑垫。 该制品包括由热塑性材料构成的基本平坦的片状基材和包含在基材内的多孔纤维增强元件和设置在基材表​​面上的磨料层。 基板的相对表面可以包括接合元件。 制品通过将织物布置在表面上,将熔融的热塑性聚合物沉积在织物上,从表面除去基底并将研磨层施加到基底的一个表面上。