E - Fixed Constructions – 01 – H
Patent
E - Fixed Constructions
01
H
300/7, 15/79
E01H 1/02 (2006.01) A46D 3/00 (2006.01)
Patent
CA 2023052
ROTARY BROOM ASSEMBLY Abstract of the Invention A rotary broom assembly utilizes a metallic bristle receiving base provided with a plurality of holes therethrough. A plurality of thermoplastic bristles are inserted through the holes with the inserted ends of the bristles heated to a softened state and then impacted, so that the softened thermo- plastic flows and forms a retaining button on the underside of the base member and a flange on the upperside of the base member to provide an anchor for the tuft when the end portion resolidifies.
Borden Ladner Gervais Llp
Hunt Frederick B.
Milwaukee Dustless Brush Co.
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