The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 1986
Filed:
Feb. 13, 1985
Applicant:
Inventor:
Eugene J Dupre, Somerset, WI (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
A46B / ; A46B / ; A46D / ;
U.S. Cl.
CPC ...
15179 ; 15182 ; 1523013 ; 29127 ; 2914 / ; 156194 ; 300 21 ; 5403 ;
Abstract
Cylindrical brush and method of making thereof. The brush comprises an inner layer formed from a first strip of fabric helically wound to form a hollow cylinder, an outer layer formed from a second strip of fabric helically wound over said first strip, a third layer of adhesive interposed between said first and second layers. The curve of the helix formed by the second fabric strip intersects the curve of the helix formed by said first fabric strip. The peripheral surface of the second fabric strip also has bristles attached to it.