| 摘要 |
PROBLEM TO BE SOLVED: To provide a printed board, wherein a grommet is mounted in the hole formed in it for inserting thereinto the lead of its part, and the grommet is so caulked as not to fall out of it, and thereby, reliability with respect to soldering can be improved. SOLUTION: A board 1 has an insertion hole for inserting thereinto the lead of its part, and a grommet 4 having a cylinder-form portion 4b is mounted in the hole. The end portion of the cylinder-form portion 4b protruding from the board 1 is divided into a plurality of tongue pieces 4c to caulk them in the direction of the board 1. In the tongue pieces 4c, tongue pieces 4c1 having small open angles and tongue pieces 4c2 having large open angles are provided alternately in the circumferential direction of the insertion hole.
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