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Tubular Dental Hygiene



Published November 14, 2005
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Patent No. US 6,527,996 B2: Johnson & Johnson Consumer Co., Skillman, NJ, patented a process for making a tubular dental hygiene device. The steps comprise extruding a polymer blend using an extrusion pump to form a monofilament tube; orienting the tube; annealing the tube and then collapsing the tube.



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