Patent ID: 6896196

Claim:
A container for volatile substances, such as insectices and aromatics which are evaporated by an evaporation device, the evaporation device having a container body for containing the volatile substance, a container neck extending from the container body terminating in a container opening in which a wick may be inserted, a wick retaining insert inserted into the container opening of the container neck for holding the wick in the container, said wick retaining insert having an outside insert wall at least partially in contact connection with an inside container neck wall when inserted, and a wick fixing device which secures the wick against being pulled out of the container when inserted, wherein said container comprises: a wick retaining insert; a wick opening formed in an upper portion of said wick retaining insert; a container opening formed in said container neck; a contact connection for fixing said wick retaining insert in the container opening; a clamping connection for clamping a wick within said wick retaining insert when said wick retaining insert is fixed in said container opening by said contact connection so that said clamping connection of said wick retaining insert secures the wick against being pulled out; and said container neck includes at least two diameter zones having different diameters, and said wick retaining insert includes a deformable clamping zone between said container neck and said wick retaining insert atone of said diameter zones; and said wick retaining insert being radially and inwardly deformable at said clamping zone when inserted in said container neck to clamp the wick against an inner wall area of the wick retaining insert.