| 摘要 |
PROBLEM TO BE SOLVED: To provide a roll forming device for easily forming both a lip channel and a light-gage channel. SOLUTION: The roll forming device 11 rolls a steel plate into a lip channel or a light-gage channel. The roll forming device 11 has an adjustment part 17 to press both sides of the steel plate to position the steel plate in the width direction. The roll forming device 11 further has a first forming part 18 to form a lip part in the lip channel. The roll forming device 11 still further has a second forming part 19 to form a channel part in the lip channel and the light-gage channel. The adjustment part 17, the first forming part 18, and the second forming part 19 are continuously provided on the roll forming device 11. COPYRIGHT: (C)2004,JPO
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