The ornamental design for a combined smokegasket and intumescent expanding seal device for swinging doors, substantially as shown and described.
FIG. 1 is a front perspective view, viewed from above, of a combined smoke
gasket and intumescent expanding seal device for swinging doors, showing
my new design;
FIG. 2 is a rear perspective view thereof, viewed from above; and
FIG. 3 is a horizontal sectional view thereof, taken along lines 3--3 of
FIG. 1, the broken line showing of part of a door, door jamb and stop is
for illustrative purposes only and forms no part of the claimed design.