Appeal No. 1998-0187
Application No. 08/247,518
§ 1.142(b).
We AFFIRM-IN-PART.
The subject matter on appeal is directed to a process for
making a ceramic cup having a body and handle and to a process
for manufacturing an injection molded article having a
concealed sprue. Claims 8 and 28 are illustrative of the
subject matter on appeal and are reproduced below:
8. A process for making a ceramic cup having a body and a
handle, comprising injection molding the body and the handle
together in a single injection molding operation to form an
integral, one-piece, unitary construction formed of ceramic
and a binder thereof.
28. A process for manufacturing an injection molded article
having a concealed sprue, comprising the steps of:
(A) injection molding a ceramic article having an outer
surface defining a recess and a sprue terminating in the
recess;
(B) molding a ceramic plug separate and distinct from the
article, the plug having a first surface configured and
dimensioned to conceal the sprue and a sidewall configured and
dimensioned to substantially fill the recess;
(C) forming an article and plug assembly by inserting the
plug into the recess with the sprue being covered by the plug
first surface; and
(D) firing the article and the plug assembly to secure
the article and the plug together.
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Howatt 2,434,271 Jan. 13, 1948
Kliegel 2,583,951 Jan. 29, 1952
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