发明名称 Connecting system for surface coverings
摘要 A system and method for joining floor planks includes two or more planks wherein each plank includes a tongue, a groove, and optionally a shoulder, and optionally a protruding lip, that provide a mechanism for connecting two or more planks together. The tongue can be on the opposing side of each plank from the groove. The groove can be defined between a first flange extending along a first edge of the plank and from one side of the plank, and a second flange extending distally beyond a distal edge of the first flange from the first edge of the plank and from a second side of the plank opposite from the first side. The tongue can be S-shaped to form an interlocking relationship with the groove.
申请公布号 US2007022694(A1) 申请公布日期 2007.02.01
申请号 US20050190452 申请日期 2005.07.27
申请人 MANNINGTON MILLS, INC. 发明人 CHEN HAO A.;WHISPELL JOHN
分类号 E04C3/00 主分类号 E04C3/00
代理机构 代理人
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