E - Fixed Constructions – 03 – B
Patent
E - Fixed Constructions
03
B
137/75
E03B 5/00 (2006.01)
Patent
CA 1180633
ABSTRACT "WASTE WATER CONTAINER" A waste water container which is used as a ground drain, has a waste water pump, serving as a back water cut-off, which only becomes operative in cases when there is undue incidence of back water or backwash. For this purpose, provision is made within the pump casing for a two way passage which is automatically controlled by a cut-off independent of the incidence of back water. The back water pump is designed as a water trap and may be inserted as an independent component into the waste water container, may be combined with other back water cut-offs or may be exchanged for a different back water cut-off or water trap.
387857
Fetherstonhaugh & Co.
Kessel Gmbh
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