Method for positioning of bathtub or bathtub cover on original bathtub, involves making cut in original bathtub that eliminates strip and sidewall from orifice, and locating spillway in zone of new bathtub

摘要

The method involves finishing assembly and positioning of a water-drainage valve in a new bathtub. A water-drainage orifice (4) is equipped with a coning part. A cut is made in an original bathtub (2) that eliminates a strip (5) and a sidewall from the orifice. A spillway (9) is located in a zone of the new bathtub.