Appeal No. 2005-0067
Application No. 08/853,842
the above-identified application. Claims 10 through 17 and 19
through 23, the only other pending claims, have been allowed.
(Id. at 5.)
The subject matter on appeal relates to a pollution control
device (claims 8, 24, 25, and 27) and to a preform insulating
end cone suitable for disposition between inner and outer end
cone housings in an inlet or outlet cone assembly of a pollution
control device (claims 9, 18, 26, 28, and 29). Further details
of this appealed subject matter are recited in representative
claims 8 and 18 reproduced below:
8. A pollution control device comprising:
(a) a housing;
(b) a pollution control element positioned
within the housing;
(c) an inlet and an outlet cone assembly for
attaching exhaust pipes to the housing, each
end cone assembly comprising an inner end
cone housing and an outer end cone housing;
and
(d) a preform insulating end cone disposed
between the inner and outer end cone
housings, said preform insulating end cone
comprising:
(i) a cone shaped intumescent or non-
intumescent sheet material having a
plurality of slits enabling said
sheet material to be cone shaped; and
(ii) a shape retaining element that is an
adhesive tape in intimate contact
with said sheet material, said shape
retaining element enabling said sheet
material to maintain a self-
supporting cone shape when said
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