| 摘要 |
PROBLEM TO BE SOLVED: To provide an axial force meter with enhanced measurement accuracy and durability. SOLUTION: Two protection pipes 2 are fixed on a surface of a pressure-expansion type lock bolt 1 to form a protection groove 3, a strain gauge is stuck on the surface of the lock bolt 1 in the groove 3, and the interior of the groove 3 is filled with a filling material 5. COPYRIGHT: (C)2004,JPO
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