发明名称 System and method for forming a movable slab foundation
摘要 An embodiment of the system for forming a movable slab foundation as comprised by the present invention has a slab foundation, at least one substantially vertical support member, at least one support surface, and at least one support sleeve. The at least one supports sleeve surrounds the at least one support member and is encased within the slab foundation and is capable of movement axially along the length of the at least one support member. The at least one vertical support member is capable of rotation relative to the at least one support sleeve to restrict the movement of the at least one support sleeve downward relative to the at least one vertical support member, thereby maintaining the height of the at least one support sleeve and the slab foundation relative to the at least one support surface.
申请公布号 US8407898(B2) 申请公布日期 2013.04.02
申请号 US20100834585 申请日期 2010.07.12
申请人 MARSHALL FREDERICK S. 发明人 MARSHALL FREDERICK S.
分类号 B21D47/01 主分类号 B21D47/01
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