Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Patent
1975-08-14
1978-06-06
Feldman, Peter
Brushing, scrubbing, and general cleaning
Implements
Brush or broom
15198, 15DIG3, 300 21, A46B 302, A46B 316
Patent
active
040927580
ABSTRACT:
A brush element containing a plurality of bristles having medial bends formed into a plurality of tufts, each tuft being surrounded by a mechanical restraining means, a back for said brush comprising a body of fiberglass filled and reinforced substantially inflexible high impact thermoset polyester resin, each medial bend of said bristles being embedded in said resin such that its upper end is closer to the top surface of said back than to the bottom surface thereof and the restraining means being closer to the bottom surface of said back than to the top surface thereof. The polyester resin has a notched izod impact strength greater than 2 foot-pounds per inch and a Shore D hardness greater than 50.
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W. R. Grace & Co., N.J., Polyester Resin GR 17039, Technical Bulletin, Jan. 1973.
Reichhold Chemicals, Inc., N.Y., Polyester Resin 32-357 Polylite, Technical Bulletin, Sep. 1970.
Horton John P.
LeWand Susan H.
Feldman Peter
Newark Brush Company
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