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. 10, 2001
Filed:
Oct. 18, 1999
Applicant:
Inventor:
William E. Wyllie, II, Sierra Madre, CA (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C 3/00 ;
U.S. Cl.
CPC ...
A61C 3/00 ;
Abstract
A method of brazing a first component of an orthodontic appliance to a second component of the orthodontic appliance, comprising the step of brazing the first component to the second component using a brazing medium comprising a boron-free brazing alloy that includes at least about 50 weight percent nickel. The brazing alloy of the present invention can also comprise chromium, and/or other elements such as silicon, phosphorous, and/or the like. The method provides strong, corrosion resistant joints with a good color match with stainless steel appliance components.