Patent ID: 7628112

Claim:
A method pertaining to a container or to a chamber, including a security chamber or a security container for valuable articles, wherein the container or chamber ( 20 ) includes an outer casing or shell ( 10 ) in which an explosive substance or a pressurized object that can explode or burst is housed, the steps of said method comprising: detecting authorized entry into said container or chamber, and permitting said detected authorized entry therein without detonating said explosive substance or depressurizing said pressurized object: detecting unauthorized entry into said container or chamber, and detonating said explosive substance or depressurizing said pressurized object upon detection of said unauthorized entry therein; detecting the ambient temperature or casing or shell temperature; causing detonation of the explosive substance or depressurization of the pressurized object upon the detection of a predetermined temperature limit value; and selecting said predetermined temperature limit value to cause detonation of the explosive substance or depressurization of the pressurized object independent of detection of authorized or unauthorized entry into said container or chamber, at a temperature at which the structural integrity of the outer casing or shell of the container or chamber is of sufficient strength to contain an explosion of the explosive substance or depressurization of the pressurized object and maintain the outer casing or shell of the container or chamber intact without bursting or fragmenting.