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US 4,993,498 AGranted
Apparatus for cleaning sandy or pebble-covered sites
OwnerJean-Marie Fresnelinventor
Life of this patent
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Abstract
A method and apparatus for disinfecting sand with an electrolysate of sea water, whose concentration of chlorine equivalent is 200-2000 mg/l before redepositing sifted sand back on to the beach.
Claims15
An apparatus for cleaning soil containing at least one member selected from the group consisting of sand and pebbles, said apparatus comprising:
- (a) means for removing a layer of top soil comprising particles from a group consisting of sand, pebbles and a mixture of said and pebbles to a predetermined depth from an area of land;
- (b) means for projecting said particles in a cloud;
- and
- (c) means for applying a fluid comprising an electrolysate of sea water having a chlorine equivalent value within a range of 200 to 2000 mg/l to said particles in said cloud, operably positioned with respect to said means for projecting said particles, so as to envelope said particles with said fluid before depositing said particles on land.
1 more element
Dependencies are inferred from the claim text.