Patent ID: 6403131
Filing Date: 2002-06-11
Classification: G01K

Abstract:
A method for determining whether a heated substance has reached a temperature within a predetermined temperature range using a device comprising a transparent sealed container including a first compartment having a first substance therein, a second compartment having a second substance therein and a meltable sealant separating said first compartment from said second compartment, said meltable sealant having a melting point at a temperature within said predetermined temperature range, wherein on reaching said temperature, said meltable sealant melts enabling said first substance to contact said second substance, the contact between said first substance and said second substance resulting in a detectable change in at least one of said first substance and said second substance, the method comprising the steps of:inserting at least part of said device into said heated substance; and checking at least part of said transparent sealed container subsequent to said step of inserting to determine whether said detectable change occurred within said transparent sealed container.