Honeycomb brush bristles and brush made therefrom
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United States of America Patent
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Jul 28, 1998
Grant Date -
N/A
app pub date -
Feb 22, 1995
filing date -
Feb 22, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A 'honeycomb'-like paintbrush bristle, either leveled or tapered, has a consistently circular cross-section and two enclosed, longitudinal, hemi-cylindrical voids separated by a single planar interior web which extends diametrically across the bristles interior. The honeycomb bristle is made by extrusion through a die or spinneret which has two generally E-shaped facing openings, so that the resultant bristle has only two external seams along its length.
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