PURPOSE: An I-shaped socket is provided to connect a pipe to another pipe without molding.CONSTITUTION: In an I-shaped pipe(1), a hole(5) which accepts other parts and a vertical pipe(6) are connected at right angles using a bed for growing plants so that a bolt is fixed to a bolt hole(3). The vertical pipe is inserted into the other side of the hole.COPYRIGHT KIPO 2013본 발명은 각관을 직각으로는 연결할 때 각관의 면을 같이 하여 비닐온실 베드용 각관연결의 소켓에 관한 것이다.