发明名称 DEVICE FOR JOINING TOGETHER BUILDING BOARDS, SUCH AS FLOOR BOARDS
摘要 Device for joining together building boards, such as floor boards, edge surface to edge surface. It comprises a groove (2) in the rear side of each board (1), the groove running over the entire length of the board parallel to its jointing edge, and a substantially U-shaped spring device (3), the legs (5) of which are adapted each to engage the groove of one board, and which is prestressed so that, upon said engagement, the boards are tightly clamped together edge surface to edge surface.
申请公布号 WO8402155(A1) 申请公布日期 1984.06.07
申请号 WO1983SE00423 申请日期 1983.12.02
申请人 CARLSSON, JAN;BJOERKLUND, CHRISTER 发明人 CARLSSON, JAN;BJOERKLUND, CHRISTER
分类号 E04F15/04;(IPC1-7):04F15/14 主分类号 E04F15/04
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