发明名称 |
Hardness testing device |
摘要 |
The device has a standard spherical or pyramid-shaped body placed on the test body and a mechanism that presses the body into the surface with a predefined force and an objective for measuring the impression formed enclosed by a light shaft with an upper rim of light bodies a reflective surface near the lower edge of the objective at an angle of about 10 to 50 degrees to the objective's optical axis.
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申请公布号 |
EP1445598(A2) |
申请公布日期 |
2004.08.11 |
申请号 |
EP20040002207 |
申请日期 |
2004.02.02 |
申请人 |
KB PRUEFTECHNIK GMBH |
发明人 |
BEISEL, PETER;KESSLER, CLAUS |
分类号 |
G01N3/00;G01N3/06;G01N3/42;G02B21/00;(IPC1-7):G01N3/42 |
主分类号 |
G01N3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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