| 摘要 |
The present invention relates to a pipe of a multi-partition structure for improving strength and preventing separation of a bonding unit where a tube made of a synthetic resin material is wound in a spiral shape and fixated and connected by a connection member (2). A profile (20) has an inner hollow unit (30). The hollow unit (30) has an upper hollow unit (32) formed in an upper portion thereof, a center hollow unit (31) formed in a center portion thereof, and a lower hollow unit (33) formed in a lower portion thereof. |
