Measuring and testing – Hardness – By penetrator or indentor
Reexamination Certificate
2006-08-29
2006-08-29
Williams, Hezron (Department: 2856)
Measuring and testing
Hardness
By penetrator or indentor
C702S033000, C073S078000, C073S082000, C073S085000
Reexamination Certificate
active
07096720
ABSTRACT:
A hardness tester for measuring hardness of a sample by applying a predetermined test load to the sample with an indenter attached to an indenter attaching member so as to form an indentation on the sample, comprises: the indenter attaching member to which the indenter is attached detachably; the indenter which comprises an identification member with identification information to identify the indenter; an indenter information storing member to store indenter information and the identification information of the indenter, where the indenter information is matched with the respective identification information; an identification information acquiring member to acquire the identification information from the identification member when the indenter is attached to the indenter attaching member; an indenter information acquiring member to acquire the indenter information corresponding to the identification information acquired by the identification information acquiring from the indenter information storing member.
REFERENCES:
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patent: 4331026 (1982-05-01), Howard et al.
patent: 5146779 (1992-09-01), Sugimoto et al.
patent: 2004/0096093 (2004-05-01), Hauck et al.
patent: 2004/0134263 (2004-07-01), Tsujii et al.
patent: 10-132722 (1998-05-01), None
patent: A 10-132722 (1998-05-01), None
Hayashi Hirotaka
Ozawa Noriyoshi
Sawa Takeshi
Mitutoyo Corporation
Oliff & Berridg,e PLC
Shah Samir
Williams Hezron
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