Scratch testing device

Details Scratch testing device Scratch testing device

2007-12-04

2007-12-04

Noland, Thomas P. (Department: 2856)

Measuring and testing

Hardness

By penetrator or indentor

Reexamination Certificate

active

11300798

ABSTRACT:
A device and method for scratch and/or mar testing the surface of a material specimen. In an embodiment, the scratch testing device comprises a scratching member. In addition, the scratch testing device comprises a carriage operable to move the scratching member. Further, the scratch testing device comprises a load mechanism, wherein the load mechanism applies a load to the scratching member.

REFERENCES:
patent: 2938377 (1960-05-01), Sklar
patent: 5357786 (1994-10-01), Lung et al.
patent: 5804706 (1998-09-01), Williston
patent: 6945097 (2005-09-01), Jardret et al.
patent: 7121136 (2006-10-01), Tsujii et al.
patent: 7168291 (2007-01-01), Kuhman et al.
patent: 2005/0172702 (2005-08-01), Gitis et al.

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