发明名称 Method for making a building board
摘要 A metal strip for a mechanically interlocking floorboard is disclosed. The metal strip comprises a main body extending in a planar direction, the main body including an edge portion defined by a first edge; a gripping element at the edge portion of the main body; and the gripping element includes a lip at the first edge of the main body and a plurality of opposing tongues arranged in a row and spaced inwardly from the lip, each of the lip and the opposing tongues being bendably connected to the main body at a proximal end of the lip and the opposing tongues. <IMAGE> <IMAGE> <IMAGE> <IMAGE> <IMAGE> <IMAGE>
申请公布号 AU5422398(A) 申请公布日期 1998.06.29
申请号 AU19980054223 申请日期 1997.12.05
申请人 VALINGE ALUMINIUM AB 发明人 DARKO PERVAN
分类号 B23P11/00;E04F15/02;E04F15/04 主分类号 B23P11/00
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