Patent ID: 8505759

Claim:
A method for closing a filling hole of a waste bin comprising: a container part, a cover part, at least one filling hole which is formed in a side wall of the cover part and/or the container part, and a retainer part, which is movable between first and second positions, is arranged between the cover part and the container part of the waste bin, wherein when a temperature of the waste bin is less than a predetermined value (T 2 ), the method comprising: keeping the retaining part in a first position of the retaining part and keeping the cover part in a first position of the cover part, whereby a passage via the filling hole to a container space of the container part is open, and wherein when the temperature of the waste bin rises to the predetermined value (T 2 ), the method comprising: moving the retainer part to a second position of the retainer and moving the cover part with respect to the container part to a second position of the cover part in which the passage via the filling hole to container space of the container part is closed, wherein the retainer part is an annular part, and a diameter (d) of the annular part increases when the temperature of the waste bin rises to the predetermined value (T 2 ).