Ships – Implements – Hull cleaning
Patent
1993-07-30
1994-10-11
Sotelo, Jesus D.
Ships
Implements
Hull cleaning
451 88, B63B 5900
Patent
active
053537297
ABSTRACT:
Dry, particulate abrasive for use in abrasive blast cleaning of a ship hull is supplied to blasting pots from abrasive supply hopper assemblies lifted into place from a recycling station. Spent abrasive, with debris, is collected and placed on a conveyor belt extending parallel to the keel blocks, for conveying the collected material to the recycling station. There, the collected material is processed to remove undersized and foreign material from the reuseable abrasive grit. The latter is loaded into supply hopper assemblies, which are crane-lifted back into supplying relation with respective blasting pots. By preference, the abrasive blasting work takes place from elevatable, curtain-enclosed platforms supported on a drydock floor, the blasting pots are located on the drydock wing wall, the abrasive grit is ferromagnetic and recovered from the drydock floor partly with the aid of a magnetic abrasive pick-up unit, and the recycling station is located on a barge moored at an end of the drydock.
REFERENCES:
patent: 5199228 (1993-04-01), Beausoleil
patent: 5211125 (1993-05-01), Garland
"The Ferrous Wheel", Model No. 120P, sales brochure showing a device for picking up spent ferromagnetic abrasive grit.
Goldbach Richard A.
Hoffman Joseph H.
McConnell Frank E.
Wagner William A.
MMC Compliance Engineering, Inc.
Sotelo Jesus D.
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