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:
Jul. 08, 1997
Filed:
Jul. 05, 1996
Applicant:
Inventors:
Haregoppa S Gopalakrishna, Woodbury, MN (US);
Satinder K Nayar, Woodbury, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
1565802 ; 156 731 ; 4251742 ;
Abstract
A rotary acoustic horn imparts energy at a selected wavelength, frequency, and amplitude. The horn includes a base portion and a plurality of weld faces. Each weld face has a diameter that expands and contracts with the application of ultrasonic energy. The weld faces are spaced from each other and are mounted in one of series and parallel with each other.