Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Patent
1997-10-07
1999-08-10
Warden, Robert
Brushing, scrubbing, and general cleaning
Implements
Brush or broom
428397, 428398, A46B 1100
Patent
active
059339080
ABSTRACT:
Level (i.e., uniform diameter along the length thereof) and tapered (varying diameter along the length thereof) brush bristles include a central core having an outer wall and a pair of internal, semi-cylindrical passages separated by a central dividing wall. A plurality of spokes, or ribs, extend radially outwardly from the outer wall of the central core in planes other than the plane of the central dividing wall and also are spaced equidistant from each other about the circumference of the outer wall. Applicator brushes employing the aforementioned bristles also form a part of this invention.
REFERENCES:
patent: 3095258 (1963-06-01), Scott
patent: 3745061 (1973-07-01), Champaneria et al.
patent: 4307478 (1981-12-01), Ward et al.
patent: 5128208 (1992-07-01), Bond et al.
patent: 5141811 (1992-08-01), Kawakami et al.
patent: 5701629 (1997-12-01), O'Brien
patent: 5786087 (1998-07-01), Cansler
Olsen Kaj K.
Specialty Filaments, Inc.
Warden Robert
LandOfFree
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