| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonflammable plate for an automobile ashtray and its manufacturing method smoothly carrying out edge removal of a tip and easily and positively providing a spring effect to the whole. SOLUTION: A shot peening process or a shot blasting process 25 is applied to the whole of the nonflammable plate 5 comprising an integrally formed product of a steel plate including a tip 22b of a cover part 22. COPYRIGHT: (C)2003,JPO
|
