Adapter for drop unit

Claim 1

An adapter for a disposal package having a bottom and a top, said adapter comprises a main member intended to sealingly be attached to the package, which package in use occupies a position with the adapter positioned in the bottom, which main member is provided with a first through hole for emptying the contents of the package, a second through hole for an aeration tube, a third through hole for a transparent tube, that the main member is provided with cutting means of pyramid shape to penetrate the package material, said cutting means having a base provided with a space for receiving between said cutting means and the main member the package material to thereby lock the member to the package when the main member and therewith the cutting means are turned, characterized in that the aeration tube before the use is extended outside the adapter with its end, intended to be placed in the package and above the liquid level, withdrawn into the second hole, that a stocking is fitted to the second hole and surrounds the extended aeration tube, that the other end of the tube is provided with an air and liquid tight separate cap removable from the end, said cap being replaceably separable from said tube other end, that the second hole is provided with a gasket sealingly engaging the displaceable aeration tube, and that the space makes a distance between the base of the cutting means and the main member which is greater that the thickness of the package material.