| 摘要 |
PROBLEM TO BE SOLVED: To provide a masking tool for thermal spraying capable of preventing a spray deposit film deposited on an inner surface of an opening of the masking tool for thermal spraying from dropping during the thermal spraying, and easily removing the deposited spray deposit film. SOLUTION: The masking tool 1 for thermal spraying, which is provided on an end face 9 of a cylinder block 2 when depositing a spray deposit film 4 by a thermal spraying gun 7 on a wall surface 10 of a cylinder bore 3 of the cylinder block 2, and has a cylindrical opening 6 concentric with the cylinder bore 3, and masks deposition of the spray deposit film on the end face 9 of the cylinder block 2, is characterized in that a cylindrical opening inner surface 8, where the spray deposit film 5 is deposited by the thermal spraying gun 7, is made into a rugged surface. COPYRIGHT: (C)2008,JPO&INPIT
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