发明名称 Sump pump for use on concrete floor tile of building, has ground section and side wall section made of different materials e.g. plastic, and anchoring structures extending away from outer surface of sump area towards side wall section
摘要 <p>The pump has a ground section and a side wall section that are made of different materials such as plastic, metal, or fiber cement. Anchoring structures extend away from an outer surface of a sump area towards the side wall section. The weight of the material in the middle surface of the wall section is lower than that of the ground section by 30 percentage. An independent claim is also included for a method for installation of a pump.</p>
申请公布号 DE10350426(A1) 申请公布日期 2005.06.02
申请号 DE2003150426 申请日期 2003.10.29
申请人 WOLF, ROLAND 发明人 WOLF, ROLAND
分类号 B28B1/00;B28B23/00;E03F11/00;(IPC1-7):E03F11/00;B28B7/00 主分类号 B28B1/00
代理机构 代理人
主权项
地址