Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent
1992-09-09
1994-05-03
Recla, Henry J.
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
134 221, 4422, 4295, 4286, B08B 100, A47K 114
Patent
active
053084055
ABSTRACT:
A method is provided for cleaning a toilet bowl and dissolving mineral deposits in the holes under the rim of the toilet which includes the steps of (a) flushing the toilet to empty the tank and to initiate the flow of refill water into the tank; (b) holding down the flush handle to cause the refill water to continuously flow out of the tank and into the toilet bowl; (c) plugging the drain to cause the water level in the bowl to rise towards the rim; (d) releasing the flush handle when the water in the bowl rises to a height proximate to the top of the bowl to prevent the flow of additional refill water into the bowl; (e) adding to the water in the bowl a cleaning agent to cleanse the bowl, including the area of the bowl under the rim; and (f) unplugging the drain and flushing the toilet to rinse the cleaning agent and water mixture from the bowl. The drain can be plugged with a drain stopper which includes a flexible disc swivably attached to a handle by a hinge. In embodiments where the hinge is attached to the disc slightly removed from the geometric center of the disc, the disc will tend to gravitate into a parallel relationship with the handle so that the disc can be conveniently stored in a storage device which also houses the scrubbing tool.
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patent: 3480021 (1969-11-01), Ewald, Jr.
patent: 3839744 (1974-10-01), Ziegelmeyer et al.
patent: 4137577 (1979-02-01), Maxfield
Cota Albert O.
Recla Henry J.
Vidovich Gregory
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