The ornamental design for a collapsiblewinebucket, as shown and described.
FIG. 1 is a perspective view of a collapsible wine bucket showing my new design;
FIG. 2 is a front elevational view;
FIG. 3 is a rear elevational view;
FIG. 4 is a right side view;
FIG. 5 is a left side view;
FIG. 6 is a top plan view;
FIG. 7 is a bottom plan view;
FIG. 8 is a top perspective view thereof with a wine bottle shown inside the bucket;
FIG. 9 is a top perspective view of the collapsible wine bucket with the cover partially removed from the lid wall to illustrate the location of ice retained in the bucket;
FIG. 10 is top perspective view of an alternative embodiment of the collapsible wine bucket having an interior second flap to cover the wine bottle and a carrying strap, showing the interior second flap in the open condition; and,
FIG. 11 is a top perspective view of the embodiment of the collapsible wine bucket shown in FIG. 10, showing the interior second flap in the closed condition surrounding a bottle to enable the entire collapsible wine bucket to be carried.
The broken lines of the bottle are for illustrative purposes only and form no part of the claimed design.