Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-09-28
1991-06-25
Rachuba, Maurina
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51394, 15209R, B84D 1100
Patent
active
050255967
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.
REFERENCES:
patent: 3175331 (1965-03-01), Klein
Heyer Raymond F.
Hubbard Connie L.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Rachuba Maurina
Sorensen Andrew D.
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