| 摘要 |
PROBLEM TO BE SOLVED: To provide a mask holder for shot blasting repeatedly usable with versatility with no need to be replaced at every change of an engraving specified position and a mask. SOLUTION: The mask holder 1 has a holder body 2 and two positioning members 3. The holder body 2 is of elastic rectangular plate shape and has a circular opening 21 and a mask holding part 22. A plate part 23 is formed around the holding part 22, and a large number of engaging recessed parts 24 are formed at the plate part 23. The positioning member 3 has a body 31 and engaging projecting parts 32. The body 31 is locked along one side out of two orthogonal sides G1, G2 of a glass pane G. The engaging projecting parts 32 are elastically engaged with the engaging recessed parts 24 of the holder body 2 to lock the positioning member body 31 to the holder body 2. The body 31 has an abutting side 31a arranged parallel with one side of the holder body 2. The engaging recessed parts 24 are arranged so that two positioning members 3 can be mounted to the holder body 2 while selecting the distance from the center of the holder body 2 in multiple stages. COPYRIGHT: (C)2006,JPO&NCIPI
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