Patent ID: 9617631
Date: 2017-04-11
CPC Classifications: B05B,B05D,C23C

Claim:
1. Method for regeneration of internal conduit surfaces by thermal projection of metals, comprising the steps of: inserting a device carrying a thermal projection system through a manhole in a conduit installation, said device including a vehicle having a rolling assembly to permit rolling of the vehicle, such that the step of inserting includes the steps of: inserting at least one of electrical, pneumatic and hydraulic conduits as well as at least one conduit for supplying metal to be thermally projected, through the manhole, such that the conduits are connected with the vehicle; positioning an extendible regeneration device including said thermal projection system connected with the vehicle by a remote-control pulling system in a particular position to be regenerated; extending a support of said thermal projection system in said lengthwise direction; thermally projecting metal from the regeneration device; advancing said vehicle and connected regeneration device to a new regeneration position.