Patent ID: 6186273
Filing Date: 2001-02-13
Classification: B05B,B24C,B63B,B63C,B66F,E04G,Y02P

Abstract:
Apparatus for applying work to internal wall surfaces of a bulk cargo vessel hold, comprising:a first tower arranged to be removably supported on a bottom wall of the cargo vessel hold;a work platform mounted to said first tower for vertical movement and for positioning at a selected elevation above the bottom wall of the cargo vessel hold;said work platform including at least one horizontally extending track;at least one work applicator mounting mechanism mount ed on a respective at least one horizontally extending track, for being shifted therealong;each said work applicator mounting mechanism including a connector for removably securing a work applicator to said work applicator mounting mechanism, adjustable arm means arranged for varying the extent of projection of the connector and therefore a work applicator when secured thereto, from the respective said track towards and away from a respective internal wall surface of the cargo vessel hold, and an adjustment feature for accomplishing angular movement of the connector, and therefor of a work applicator when secured thereto, throughout an arc about a horizontal axis;at least one abrasive grit-sprayer nozzle removably secured by a respective said connector to a respective at least one said work applicator mounting mechanism to function as a respective said work applicator; andan abrasive grit supplying and recycling unit comprising:a second tower arranged to be supported on a bottom wall of the cargo vessel hold;at least one abrasive grit supply hopper supported on said tower and arranged to continuously apply abrasive grit therefrom, in a stream of compressed air to a respective said abrasive grit-sprayer nozzle; anda recycling system arranged to receive spent abrasive grit mixture resulting from use of each said work application, separate from that mixture reusable abrasive grit, and supply that reusable abrasive grit to each said abrasive grit supply hopper.