| 摘要 |
A compound support consists of two or more beams (5) joined together along their butt joint (4) by means of nailing plates (1). The nailing plates (1) consist of sheet-metal plates (11), tongue-shaped nails (2, 3) being forced out of the sheet-metal plates (11) by means of punchings (21, 31) in a rhomboid-shaped zone. |
