Invention Grant
US07980040B2 Anchor sheet positioning and connection system 有权
锚板定位和连接系统

Anchor sheet positioning and connection system
Abstract:
Attachment devices are described for attaching and locating overlapped anchor sheets while allowing for some relative movement as to expansion and contraction. Generally, the devices are a male/female connection on corresponding sheets and expansion openings or apertures surrounding either the male or female part to provide for areas of flexibility to provide for possible movement of either the male or female part.
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