B - Operations – Transporting – 24 – C
Patent
B - Operations, Transporting
24
C
B24C 9/00 (2006.01) B24C 3/04 (2006.01) B63B 9/04 (2006.01) B63B 59/06 (2006.01)
Patent
CA 2125851
Abstract of the Disclosure Dry, particulate abrasive for use in abrasive blast cleaning of a ship hull 16, 26 is supplied to blasting pots 36 from abrasive supply hopper assemblies 38, 40 lifted into place from a recycling station 34. Spent abrasive, with debris, is collected and placed on a conveyor belt 28 extending parallel to the keel blocks 18, for conveying the collected material to the recycling station 34. 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 38, 40, which are crane-lifted back into supplying relation with respective blasting pots 36. By preference, the abrasive blasting work takes place from elevatable, curtain-enclosed platforms 70 supported on a drydock floor 12, the blasting pots 36 are located on the drydock wing wall 14, the abrasive grit is ferromagnetic and recovered from the drydock floor 12 partly with the aid of a magnetic abrasive pick-up unit 112, and the recycling station 34 is located on a barge 32 moored at an end of the drydock 10.
Goldbach Richard A.
Hoffman Joseph H.
Mcconnell Frank E.
Wagner William A.
Metro Machine Corp.
Moffat & Co.
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