Stitchbonded articles
AssigneeMinnesota Mining and Manufacturing Company
InventorsMiroslav Tochacek, Donald M. Couirteau, Vinu Patel
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Abstract
Stitchbonded articles and methods of making same are presented. The articles may be either dual purpose wiping/scrubbing articles or only scrubbing articles. The articles may be constructed to have three dimensional scrubbing surfaces. Both the dual purpose articles and the scrubbing articles comprise thermoplastic nodules melt-bonded to the stitching yarn, and preferably to the fibers of an absorbent material, the nodules providing the primary scrubbing utility.
Claims20
A dual purpose wiping and scrubbing article, the article comprising an absorbent fibrous layer made from a first material, said absorbent fibrous layer having first and second surfaces, said absorbent fibrous layer being stitched through at a stitch density from its first to its second surfaces with a stitching yarn made of a second material, said first surface having melt-bonded thereto a plurality of nodules comprising a thermoplastic material, said nodules being melt-bonded to said absorbent fibrous layer and to said stitching yarn.
A scrubbing article comprising interlocking stitches of one or more yarns, said yarns having meltbonded thereto a plurality of nodules, the nodules comprising a thermoplastic material having a melting temperature.
Dependencies are inferred from the claim text.