| 摘要 |
PCT No. PCT/EP94/00685 Sec. 371 Date Dec. 30, 1994 Sec. 102(e) Date Dec. 30, 1994 PCT Filed Mar. 8, 1994 PCT Pub. No. WO94/20714 PCT Pub. Date Sep. 15, 1994A bifold door comprises door panels and a center section, with a hinge construction between each panel and the center section. Each door panel and center section comprises an extruded metal section. First and second hinge elements of synthetic plastic material have key formations which engage with key-ways in the extruded sections. One hinge element has a pintle and the other hinge element has a bore in which the pintle is received. |
