Vessel with securing device

A vessel in combination with a supporting structure of a device used for holding the vessel and manipulating the vessel contents, the vessel having securing means for securing the vessel to the supporting structure, the vessel comprising:

• a) at least one wall forming a space therein for receiving and containing a substance;
• and
• b) securing means for securing the vessel to a supporting surface of said device used for holding the vessel and manipulating the vessel contents;
• c) a floor;
• d) wherein the securing means are provided integrally with the vessel and on the floor of said vessel,
• e) wherein said floor is integrally provided with said at least one wall;
• f) wherein the securing means comprises a cavity;
• g) wherein said supporting structure is connectable with and detachable from said vessel;
• and
• h) wherein the cavity is formed in the floor of the vessel and is defined in part by a cylindrical side wall, wherein the supporting structure has an insert configured to correspond with the cavity, and wherein the correspondingly configured insert has a cylindrical configuration and an annular groove formed around the insert and an o-ring disposed in said annular groove to contact both the vessel and the insert when the cavity is placed onto the insert, wherein said o-ring is situated within the cavity when said supporting structure insert is positioned within said cavity.