Molded abrasive brush

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Description

FIG. 1 is a perspective view of a molded abrasive brush showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevation view thereof; and,

FIG. 4 is a top plan view thereof.

The undisclosed sides of the brush with the exception of the threaded stem are the same in appearance as the side shown in FIG. 3.

Referenced Cited
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Other references
  • Joseph Gaser, Advancements in Flexible Abrasive Finishing Tools, Technical Paper, Society of Manufacturing Engineers, SME No. MR93-135, 1993. Joseph P. Gaser, Applications with Abrasive Nylon Filament Tools, Technical Paper, Society of Manufacturing Engineers, SME No. MR93-326, 1993. Prasad S. Mahadev and Richard C. Sawyer, Jr., Tufted Nylon Abrasive Filament (TNAF) Disc Brushes--A New Alternative to Deburring, Edge Radiusing and Finishing Problems, Technical Paper, Society of Manufacturing Engineers, SME No. MR93-317, 1993.
Patent History
Patent number: D381139
Type: Grant
Filed: Apr 28, 1995
Date of Patent: Jul 15, 1997
Assignee: Minnesota Mining and Manufacturing Company (Saint Paul, MN)
Inventors: David E. Johnson (Ames, IA), Richard M. Pihl (Cottage Grove, MN), David C. Roeker (Hudson, WI)
Primary Examiner: A. Hugo Word
Assistant Examiner: Lavone D. Tabor
Attorneys: Gary L. Griswold, Walter N. Kirn, James J. Trussell
Application Number: 0/38,187
Classifications
Current U.S. Class: Element Or Attachment (D32/25); D4/127; D4/136; With Rotary Brush (D32/19)
International Classification: 1505;