Dosing device for toilets

摘要

An in-cistern dosing device (1) for dosing an active agent (3) into the flush water in a cistern during a flush comprises a chamber (2) for holding a reservoir of active agent, the chamber (2) having an outlet (5) and a valve (12) which is buoyant in the flush water and movable between a first position in which the outlet is closed and a second position in which a dose of product passes into the flush water. The device includes water soluble closure means (15) which prevents dosing of the active agent prior to insertion of the device into the flush water in a cistern. The water soluble closure means (15) is disposed on the device such when the device is placed into flush water in a cistern the water soluble closure means is dissolved in the flush water.