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:
Apr. 20, 1993
Filed:
Nov. 06, 1991
Applicant:
Inventors:
Michael W Lovejoy, Prescott, WI (US);
Jennifer L Trice, Eagan, MN (US);
Richard C Kerr, Rutherfordton, NC (US);
John R Damewood, Spartanburg, SC (US);
Jill R Menzel, Spartanburg, SC (US);
Eddie L Jarvis, Charlotte, NC (US);
Bert A Ross, Conyngham, PA (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
B21J / ;
U.S. Cl.
CPC ...
72 53 ; 51334 ; 51402 ;
Abstract
An improved high-intensity roto-peen flap, constructed of coated fabric material, the coating including a plurality of layers at least one of which comprises a linear polyurethane elastomer, exhibits improved life over previous high-intensity roto peen flaps. A method of making such a flap, a wheel incorporating at least one of the flaps, and a method of high-intensity roto-peening using the wheel are also presented.