Method for protecting ships against fouling

Details Method for protecting ships against fouling Method for protecting ships against fouling

1977-02-15

1978-07-04

Hoffman, James R.

Coating processes

Removable protective coating applied

427155, 427156, 427368, 427375, 427377, 427416, B63B 5900, B05D 136, B05D 312, B05D 508

Patent

active

040989259

ABSTRACT:
To protect the underwater surfaces of a ship against fouling and corrosion, several layers of wax are applied, one layer on top of the next but each layer having a successively lower melting point and/or degree of hardness. After a certain length of time, when the outermost layer of the treated surface has become fouled or roughened in some way, it is thus possible to remove whichever layer is outermost by melting or brushing, since the treatment can be regulated such that the underlying layer(s) will not be affected.

REFERENCES:
patent: 2838419 (1958-06-01), Francis
patent: 3806352 (1974-04-01), Kirksaeter et al.
patent: 4020200 (1977-04-01), Groszek et al.

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