| 摘要 |
PROBLEM TO BE SOLVED: To get rid of sliding on a travelling road surface and abrasion by enabling a mold to be easily held with conveying equipment such as a manipulator and the like to enable it to be conveyed in space. SOLUTION: A first core, a second core freely movably arranged by being opposed to the first core, and a barrel mold 65 which surrounds the first and the second cores and has an engaging part on an outer peripheral surface, are provided. COPYRIGHT: (C)2004,JPO
|
