Demountable multi-part container assembly

Claim 1

A demountable multi-part container assembly for accommodating a volatile substance, comprising in combination: a. a first housing portion having a rectangular rear wall, a rectangular floor and a rectangular lid; said floor and said lid extending from two opposite edges of said rear wall and being perpendicular thereto; said floor and said lid being of identical shape and being in alignment with one another; means defining an orifice in said rear wall for receiving a securing means to permanently attach said first housing portion to a wall surface in a face-to-face engagement between said rear wall and the wall surface; b. a second housing portion having a rectangular front wall and two rectangular side walls; said rectangular side walls extending from two opposite edges of said front wall and being perpendicular thereto; said side walls being of identical shape and being in alignment with one another; each said side wall including shoulders extending from said front wall along opposite edges of each said side wall; each shoulder being arranged for supporting opposite marginal zones of said floor and said lid of said first housing portion; said marginal zones extending from said rear wall of said first housing portion; said front wall and said two side walls being formed by rectangularly bent, continuous, parallel-spaced slats interconnected by two terminal strips constituting an edge zone of each said side wall; said strips extending perpendicularly to said slats and said shoulders; said second housing portion being slidable onto said first housing portion and being supported thereon by the cooperation between said shoulders of said second housing portion and said marginal zones on the floor and the lid of said first housing portion; c. a guide rail affixed to said front wall of said second housing portion and extending perpendicularly to said slats; said guide rail including means defining an open, longitudinal channel oriented towards said rear wall of said first housing portion when said second housing portion is supported by said first housing portion; and d. a volatile substance carrier including a flat, rectangular handling frame surrounding the substance and having handling surfaces being out of contact with the substance, an edge zone of said frame being slidably received in said channel of said guide rail for orienting said flat frame in a plane parallel to said side walls of said second housing portion; a securing means attached to said frame in said edge zone thereof for cooperating with said guide rail for immobilizing said frame in said guide rail.