Hand scouring pad
AssigneeMinnesota Mining and Manufacturing Company
InventorsRaymond F. Heyer, Connie L. Hubbard
Life of this patent
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Abstract
A low-density nonwoven abrasive pad, especially suited for use as a scouring article, formed of a multiplicity of continuous, crimped thermoplastic organic filaments having one end of substantially all of the filaments bonded together at one end of the pad and the opposite end of substantially all of the filaments bonded together at the opposite end of the pad. The abrasive pad is made by arranging the filaments into an open lofty array, bonding substantially all of the filaments together at a first and second bond site, and then cutting the array at the bond sites such that each bond is divided into at least two bond area segments with each bond area sgement having the filament array bonded therein in a unitary structure.
Claims15
An open, lofty, nonwoven pad especially suited for use as a scouring article comprising a multiplicity of crimped or undulated, continuous, preformed thermoplastic organic filaments, each of said filaments having a first end and a second end with substantially all of said first ends bonded together in a first bond area and substantially all of said second ends bonded together in a second bond area so as to provide an open, lofty portion of said pad without said filaments being bonded together at points of contact within said open, lofty portion of said pad.
Dependencies are inferred from the claim text.