An apparatus to reposition a temperature indicator stick for welding, metal fabrication, and heat treatment is disclosed. The apparatus includes a housing having an outer surface and an inner chamber to receive a temperature indicator stick therein. An advancement mechanism is positioned about the outer...http://www.google.fr/patents/US6960043?utm_source=gb-gplus-shareBrevet US6960043 - Method and apparatus to extend and retract a temperature indicator stick
Method and apparatus to extend and retract a temperature indicator stick