Composite nonwoven fabric and method for making same
A composite nonwoven fabric comprising multiple layers of a web formed from a blended mixture of metal fibers and nonmetal fibers is provided. The metal fibers preferably have a rough outer surface with irregular shaped cross-sections that vary along their length. The fibers of adjacent layers of th...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A composite nonwoven fabric comprising multiple layers of a web formed from a blended mixture of metal fibers and nonmetal fibers is provided. The metal fibers preferably have a rough outer surface with irregular shaped cross-sections that vary along their length. The fibers of adjacent layers of the web material are interengaged in a needlepunching step. The composite nonwoven fabrics of the invention, which have very good isotropic strength. In a preferred embodiment, the composite nonwoven fabric is employed as a floor buffing pad for use with an electric floor buffing apparatus. |
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