| 摘要 |
A demountable corner joint for a panel frame made from a synthetic plastics material comprising two frame elements (1, 2) of substantially the same cross section connected together at an acute angle, the inner side edges (15) of each frame element being adapted to locate and retain the edges of a panel and each side of the element having an abutment surface (16) set back and outwardly from the part of the frame element which engages the panel to provide an upstanding portion (17) between the spaced apart abutment surfaces (16), and in which an end portion (21) of one element (1) is shaped to closely engage the shaped inner side edge (15) of the other (2) with parts (24) of said end portion (21) engaging the said abutment surfaces (16), and removable retaining means (26) extending from one element (2) into the other (1) to hold the elements together. |
