Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2011-03-22
2011-03-22
Phan, Thiem (Department: 3729)
Metal working
Method of mechanical manufacture
Assembling or joining
C029S429000, C029S430000, C029S525130
Reexamination Certificate
active
07908729
ABSTRACT:
A method for attaching a handle to a tablet to form a lollipop utilizes a specific work holder. The work holder has a tooling pallet with a plurality of openings going from a top surface to a bottom surface. A bullet and a spring are located in each opening and held in place by a plate that slides through a groove in the bottom surface of the tooling pallet to block the openings in the bottom surface. Each spring is positioned between a bullet and the plate. A tablet is placed in a cavity of each bullet and a handle is placed in contact with each tablet. High frequency mechanical vibrations, such as ultrasonic vibrations, are applied to a joint interface between each tablet and bullet until the joint interface reaches a molten state. The joint interfaces are then allowed to cool, thereby attaching a handle to each tablet and forming a lollipop.
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Baker Christopher H.
Chowdhury Tahseen A.
Gabrielski Edward J.
Phan Thiem
Sterne Kessler Goldstein & Fox P.L.L.C.
Teva Women's Health, Inc.
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