Patent ID: 7163304
Filing Date: 2007-01-16
Classification: B65D,F21K

Abstract:
1. An changeable-appearance device, comprising: an inner container open at the top and closed at the bottom by a bottom wall; and an outer light-transmissive container open at the top and sized for receiving said inner container with an annular space between the two containers, said outer container including a base closing the bottom of the outer container and defining a compartment with said bottom wall of the inner container for receiving at least one rupturable ampule containing a substance capable of producing a change in appearance of said device when the ampule is ruptured; at least one of said containers including an ampule-engaging element located within said compartment and effective, upon rotation of one of said containers with respect to the other, to engage and rupture said ampule therein and thereby to release said appearance-changing substance into said annular space between the two containers.