The ornamental design for a restrainedgasket, as shown and described herein.
FIG. 1 is a front perspective view of the restrained gasket;
FIG. 2 is a rear perspective view of the restrained gasket of FIG. 1;
FIG. 3 is a front elevational view of the restrained gasket of FIG. 1;
FIG. 4 is a rear elevational view of the restrained gasket of FIG. 1;
FIG. 5 is a side elevational view of the restrained gasket of FIG. 1;
FIG. 6 is a sectional view of the restrained gasket of FIG. 1 taken along line 6-6 of FIG. 4; and,
FIG. 7 is an enlarged detail portion view taken from FIG. 6.
The broken lines in the drawings depict portions of the restrained gasket that form no part of the claim. The dot dash broken line indicates cutoff boundaries for the enlarged detail portion view that form no part of the claim.