Appeal No. 97-1156
Application 08/192,270
With respect to “metallurgical joining means”, it is
clear to us that this recitation denotes a joining structure
effected by metallurgical (chemical) interaction between the
claimed intermediate member and ceramic member. The
specification informs us (page 3) that this joining structure
can be effected by brazing, diffusion joining or welding,
joining by the use of oxide, friction welding, hot pressing,
and hot isostatic pressing.
As to the “mechanical joining means”, we understand this
recitation as denoting a joining structure effected by
mechanical interaction between the claimed intermediate member
and the metallic member. The specification (page 3) instructs
us that this joining structure can be effected by press
fitting, shrink fitting and fastening with bolts or screws.
In light of the above claim analysis, we understand the
content of each of independent claims 30, 31 (with clauses (D)
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