Duster
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 3, 1984
Grant Date -
N/A
app pub date -
Apr 23, 1981
filing date -
Apr 23, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A duster of an improved type for dust capturing efficiency, comprising a cylindrical stem with a continuous spiral thread extending along a portion thereof, a grip engaged with said stem, and fabric materials comprising a band of fiber or fibril bundles which are made of a ductile synthetic resin film or foil which has been split into fibers or fibrils and crimped. The bundles are arranged in a meandering manner. One edge of the band comprises loose edges while the other edge is held together by one or more strings. The secured edge is disposed within the thread with the ends of said material being engaged, respectively, by a supporting member provided at the tip of said stem and an engaging member provided at the root portion of the thread.
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