Patent ID: 11951593
Assignee: SAIPEM S.P.A.
Field: Machine tools (Mechanical engineering)
Classification: CPC B  F | IPC B

Claim 0:
1. A system configured to grit blast an annular junction portion of a pipeline extending along a longitudinal axis on board a laying vessel, the system comprising:
a carriage configured to advance along an annular path about the pipeline;
a centrifugal turbine supported by the carriage and configured to project grit towards the pipeline and rotate about a rotational axis lying on a plane orthogonal to the longitudinal axis; and
a feed device comprising:
a hopper coupled to the carriage, the hopper extending along an axis and defining a feed chamber, and
a guide device configured to operate with the hopper to feed the grit to the centrifugal turbine in each of a plurality of operating positions of the carriage.