Metal fusion bonding – Process – Preplacing solid filler
Reexamination Certificate
2011-04-05
2011-04-05
King, Roy (Department: 1733)
Metal fusion bonding
Process
Preplacing solid filler
C228S253000, C228S262300, C623S023530, C623S016110
Reexamination Certificate
active
07918382
ABSTRACT:
A method for attaching a porous metal layer to a dense metal substrate, wherein the method is particularly useful in forming orthopedic implants such as femoral knee components, femoral hip components, and/or acetabular cups. The method, in one embodiment thereof, comprises providing a solid metal substrate; providing a porous metal structure; contouring a surface of the porous metal structure; placing the porous structure against the substrate such that the contoured surface of the porous metal structure is disposed against the substrate, thereby forming an assembly; applying heat and pressure to the assembly in conjunction with thermal expansion of the substrate in order to metallurgically bond the porous structure and the substrate; and removing mass from the substrate after the porous structure is bonded to the substrate, thereby finish processing the assembly.
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Charlebois Steven J.
Gilbertson Leslie N.
Hawkins Michael E.
Medlin Dana J.
Shetty H. Ravindranath
Aboagye Michael
Baker & Daniels LLP
King Roy
Zimmer Technology, Inc.
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