Friction body with anisotropic thermal conductivity
AssigneeBIC Violex Single Member S.A.
InventorNikolaos CHATZIGRIGORIOU
Life of this patent
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Abstract
The present disclosure relates to a friction body for discoloring handwriting written with a thermochromic ink with frictional heat, wherein the friction body comprises a surface portion configured to generate frictional heat when manually rubbed on a porous substrate and wherein 5 the friction body comprises a first thermal conductivity in a first direction substantially parallel to the surface plane which is greater than a second thermal conductivity in a second direction which is substantially perpendicular to the surface plane.
Claims21
A friction body for discoloring thermochromic handwriting written with a thermochromic ink with frictional heat, wherein the friction body comprises a surface plane configured to generate frictional heat when manually rubbed on a porous substrate and wherein the friction body comprises a first thermal conductivity in a first direction substantially parallel to the surface plane which is greater than a second thermal conductivity in a second direction which is substantially perpendicular to the surface plane.
2-15. (canceled)
The friction body according to claim 25, wherein the tubular lumina are filled with gas.
Dependencies are inferred from the claim text.