Temperature or wear indicating device for material-working tools
AssigneeIllinois Tool Works Inc.
InventorsAndreas Lier, Achim Schneider, Andreas Frank, William J. Sullivan, Sailesh Athreya
Life of this patent
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Abstract
Temperature or wear indicating device for material-working tools, in particular pipe-working tools, furthermore in particular saw blades, wherein the temperature or wear indicating device has at least one temperature or wear indicator, the temperature or wear indicator being at least partially produced from an indicator material that changes one of its visual properties, in particular its colour, permanently when a predetermined limit temperature is exceeded.
Claims9
Temperature or wear indicating device for material-working tools, in particular pipe-working tools, furthermore in particular saw blades, wherein the temperature or wear indicating device has at least one temperature or wear indicator, the temperature or wear indicator being at least partially produced from an indicator material that changes one of its visual properties, in particular its colour, permanently when a predetermined limit temperature is exceeded.
A method for producing a temperature or wear indicating device for material-working tools, in particular pipe-working tools, furthermore in particular saw blades, comprising disposing an indicating device on the tool made of a material that changes one of its visual properties, in particular its colour, when a predetermined limit temperature is exceeded for producing.
Dependencies are inferred from the claim text.