Method and apparatus for welding orthodontic article and an orthodontic article

Disclosed herein is an orthodontic article, a method of making an orthodontic article and an apparatus for making the orthodontic article. The orthodontic article is made by laser welding the work piece, comprising a bracket body and a the pad, together. The article thus formed includes a laser-weld...

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Bibliographic Details
Main Authors EAGLESON MAX, XIE YONGJIN, SAM RICHARD, HAGEN RON, ZAVILENSKI TONY
Format Patent
LanguageEnglish
Published 16.04.2002
Edition7
Subjects
APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
DENTISTRY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
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Summary:Disclosed herein is an orthodontic article, a method of making an orthodontic article and an apparatus for making the orthodontic article. The orthodontic article is made by laser welding the work piece, comprising a bracket body and a the pad, together. The article thus formed includes a laser-welded seal around the perimeter of the adjoining areas between the pad and the bracket body. In an exemplary embodiment the apparatus of the invention, makes a series of closely spaced spot welds. The spot welds, in an exemplary embodiment, are significantly overlapped that they form a seal around the entire perimeter of the work piece adjoining areas. The spot welds, in an exemplary embodiment, are significantly overlapped that they form a hermetic seal between the pad and the bracket body. In other exemplary embodiments, the process of manufacturing orthodontic articles is automated and controlled by a computer and computer software.
Bibliography:Application Number: US19990470142