Manhole base has pipe connections and channels, where manhole base is made of monolithic concrete, where manhole base has spigot

摘要

The manhole base (1) has pipe connections (6) and channels, where the manhole base is made of monolithic concrete (2). The manhole base has a spigot (3), a terminal box and an engraving (5). The pipe connections are provided with a pull linkage (7). Independent claims are also included for the following: (1) a method for manufacturing a manhole base; and (2) a device for manufacturing a manhole base.