| 摘要 |
Two members 2, each located in a heat sealable sheath 4, are joined together to form a right-angle joint. Two plates 8 of heat sealable material are attached to the associated ends 6 of the members 2 by means of dowels 10 inserted into holes 12 in the member ends. The outer surface 14 of each plate 8 is flush with its associated sheath end 4. The mounted plates 8 are hot-plate welded and then pressed together with the ends of the sheaths 4 to form the joint. The plates 8 provide additional strength to the joint.
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