Appeal No. 2006-2390
Application No. 10/659,817
1. An apparatus for filtering molten metal before
entering a dosing tube, the apparatus comprising a mounting
portion; a filter body connected to the mounting portion,
the filter body having a beveled end opposite the mounting
portion; and a surface attached to and substantially
covering the beveled end.
4. An apparatus for filtering molten metal held in a
vessel before the metal enters a dosing tube, the apparatus
comprising:
an attachment portion dimensioned to attach to a
dosing tube; and
a closed filtering surface area attached to and
extending from the attachment portion to provide a
filtering surface, the closed filtering surface area
comprises a cylindrical portion having a beveled end distal
the attachment portion and a planar surface attached to the
bevel end.
13. An apparatus for filtering molten metal, the
apparatus comprising:
a vessel for holding molten metal;
a dosing tube disposed in the vessel; and
a filter attached to the dosing tube, wherein the
filter includes a beveled end.
We have carefully reviewed the claims, specification, and
applied prior art, including all the arguments advanced by both
the Examiner and Appellant in support of their respective
position. This review leads us to conclude that the rejection
of claims 1 to 5, 11 to 17, and 19 is not well founded. Our
reasons appear below.
Stankiewicz describes a multiple use porous ceramic filter
for the filtration of molten metal. The porous ceramic molten
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