Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specimen clamp – holder – or support
Reexamination Certificate
2006-06-27
2006-06-27
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Specimen clamp, holder, or support
C073S853000, C073S862392
Reexamination Certificate
active
07066033
ABSTRACT:
The invention relates to a measuring sensor (1) for measuring positive and negative elongations on cylindrical or profiled bodies (6). The measuring sensor (1) consists of more than two parts and is essentially annular and has at least one tensioning element (7, 15). Two segments (2, 3) that can be tensioned are provided with a recess on the longitudinal center on the internal contour (22), the recess being disposed opposite the direction of tensioning (S) and accommodating a protruding elastic element (8) with a measuring element (10). The recesses can be pressed non-positively onto the surface of the body (6). The segments (2, 3) of the multi-part measuring sensor (1) that are diagonally opposite can be tensioned with their both ends by means of exchangeable and/or adjustable lateral guide members (4, 5, 26, 38) for the body to be measured (6).
REFERENCES:
patent: 4084430 (1978-04-01), Boyle et al.
patent: 4216403 (1980-08-01), Krempl et al.
patent: 4246780 (1981-01-01), Reed
patent: 5123283 (1992-06-01), Duff et al.
patent: 5284062 (1994-02-01), Ryffel
patent: 5327786 (1994-07-01), Guillet et al.
Bachman & LaPointe
Hera Rotterdam B.V.
Lefkowitz Edward
Martir Lilybett
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