Process for refurbishing metal buoys

Details Process for refurbishing metal buoys Process for refurbishing metal buoys

1975-10-08

1977-07-05

Lanham, C.W.

Metal working

Method of mechanical manufacture

Converting

9 8R, 264 36, 264 466, 264 469, 264 457, B23P 700, B63B 2152, B63B 5102

Patent

active

040330230

ABSTRACT:
A procedure for refurbishing hollow metal buoys that have been surveyed out of service. The buoy repair method involves removing a metal section, filling the buoy interior with polyurethane foam, welding back the removed metal section and coating the metal exterior with fiber glass-resin composition. Buoys repaired in this manner are essentially maintenance free.

REFERENCES:
patent: 2411202 (1946-11-01), Gardner
patent: 2795523 (1957-06-01), Cobb et al.
patent: 3132417 (1964-05-01), Irwin
patent: 3397413 (1968-08-01), Houtsma
patent: 3464071 (1969-09-01), Starratt
patent: 3488783 (1970-01-01), Lockwood, Jr.
patent: 3505137 (1970-04-01), Kliene
patent: 3533531 (1970-10-01), Delahunt
patent: 3728749 (1973-04-01), Eby et al.
patent: 3829919 (1974-08-01), Mathae

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