| 摘要 |
Corner joint made up of miter-cut hollow profile members of plastic with or without an internal metallic reinforcing frame and with connectors introduced at the corners of the hollow profile member and likewise fitted in a miter-like way, characterized in that the connector is formed, on the miter surface, with grooves and projections of a minor depth and/or height, respectively, which are associted in a manner offset by 180 DEG in mirror symmetry. |
