| 摘要 |
A branch pipe is provided to prevent stress concentration by partitioning the branch portion of the branch main body using a compartment piece. A branch comprises a hollow inlet part(11) of which connection pipes(1) are respectively inserted into both ends, a branch main body(10) wherein a branch portion(12) is formed and plural connection pipes are inserted therein, and a compartment piece(20) which is combined in the branch portion and partitions off the branch portion so that a plurality of insertion holes are formed. The compartment piece comprises a first junction which is attached to the branch portion, and a second junction(23) which is concavely formed toward the central part so that it can contact to the outer circumference of the connection pipe. |
