| 摘要 |
he parts for joining the existing profiles which are cut at an angle of 45 degrees is an alignment angle (5) and the parts (2) and (3) which may be similar or identical. The said parts (2) and (3) are placed into the chamber of the profile (1) and connected to it with screws (9), bolts (8) or even rivets. In the sequel, the alignment angle (5) is fitted into the said parts (2) and (3) and finally, the screw (7) with the washer (6) is passed to the profile (1) and through it is screwed to the part (2), achieving perfect joining of the profiles. |
