Patent ID: 8181506
Filing Date: 2012-05-22
Classification: G01N

Abstract:
1. An indenting apparatus with a tip suitable for testing a block of material by punching or scratching, comprising: a tip holder for said tip arranged in the form of a first holding and heating device, notably at a temperature between 700-1200° C., and a block holder for said block of material to be tested arranged in the form of a second holding and heating device, notably at a temperature between 700-1200° C., said tip holder and said block holder each comprising: a solid body made of heat-conducting material, having a peripheral side wall and a transverse face; securing means provided on said transverse face in order to secure in a removable manner either said tip, or said block of material to be tested, in heat-conducting contact with said solid body; an annular sheath of a shape to match said solid body in which said solid body is housed; heating means of annular structure suitable for tightly surrounding a peripheral side wall of said annular sheath and being in heat-conducting contact with said annular sheath, said heating means comprising at least one electric heating member, and assembly means for assembling said solid body and said heating means; whereby said tip, during a test, is brought to a determined temperature, notably to a temperature substantially equal to that of said block of material to be tested.