| 摘要 |
PCT No. PCT/FI89/00168 Sec. 371 Date Mar. 17, 1991 Sec. 102(e) Date Mar. 17, 1991 PCT Filed Sep. 8, 1989 PCT Pub. No. WO90/02854 PCT Pub. Date Mar. 22, 1990.A connector plate is provided which includes a plurality of connecting prongs which are, in use, pressed into wooden members to form a joint and which include at least one row of edge prongs that is folded down from the edge of the plate and that extends parallel to the longitudinal axis of the connector plate. A joint formed by a chord member and at least two abutting diagonals is connected together by connector plate which has a prong density that is asymmetrical with respect to longitudinal axis of the plate and has increased prong density at one side thereof. A joint structure provides a stiff, nonplastic joint. |
