| 摘要 |
PROBLEM TO BE SOLVED: To provide a threaded deformed reinforcement used for concrete construction and easily connectable to the other threaded deformed reinforcement through an internally threaded coupler. SOLUTION: This threaded deformed reinforcement 10 comprises a continuous spiral thread 12 at least a part of the length thereof engaged with the internally threaded coupler. The continuous spiral thread 12 on the deformed reinforcement 10 is formed by removing a part of a longitudinal rib 18 formed on the reinforcement during manufacturing. COPYRIGHT: (C)2005,JPO&NCIPI
|
