Back to results
US 4,787,973 AGranted
Device for converting water into mineral water
OwnerShoichiro Ando, Hiroshi Makiinventors
Life of this patent
Estimating the term…
Abstract
There is provided a device for converting water into mineral water which comprises a covered or uncovered porous filter and ceramic as a calcium and magnesium source and active carbon as a deodorizer randomly held in the filter whereby when water flows through the filter the water is converted into mineral water.
Claims7
A device for converting water into mineral water, comprising:
- a tubular porous filter element;
- a tubular plastic inner case, said tubular porous filter element being received in said inner case, said inner case having a plurality of discontinuous elongated slots formed therein for passing water therethrough;
- said inner case having opposite ends each of which have openings, one of said opposite ends being externally threaded;
- a tubular plastic outer case surrounding said inner case except for said externally threaded end thereof;
- an internally threaded cap in threaded engagement with said externally threaded end of said inner case;
- and
- ceramic pellets as a calcium and magnesium source and small active carbon masses as a deodorizer randomly held in said tubular porous filter element.
4 more elements
Dependencies are inferred from the claim text.