US 11,920,311 B2
Mobile waterjet rail repair system
Joep Jacobs, PB Breda (NL); and Johannes Petrus Bernardus Wildhagen, Molenschot (NL)
Assigned to RailRestore BV, Bavel (NL)
Filed by Hypertherm, Inc., Hanover, NH (US)
Filed on Oct. 12, 2021, as Appl. No. 17/450,649.
Application 17/450,649 is a division of application No. 16/572,799, filed on Sep. 17, 2019, granted, now 11,174,609.
Claims priority of provisional application 62/732,175, filed on Sep. 17, 2018.
Prior Publication US 2022/0025596 A1, Jan. 27, 2022
Int. Cl. E01H 8/10 (2006.01); B08B 3/02 (2006.01); E01H 8/12 (2006.01)
CPC E01H 8/125 (2013.01) [B08B 3/024 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method of operating an ultra-high pressure liquid jet system, the method comprising:
positioning, relative to a rail, a translatable frame having a liquid jet processing head fluidly connected to an ultra-high pressure liquid pump;
providing, to the liquid jet processing head, via the ultra-high pressure liquid pump, a pressurized fluid forming a liquid jet that contacts the rail such that the pressurized fluid is at least 20,000 PSI during a rail cutting operation or a re-profiling operation;
providing an abrasive feed system coupled to the liquid jet processing head to provide an abrasive to the liquid jet; and
translating the liquid jet processing head relative to the rail, thereby performing a processing operation on a linear length of the rail along a direction of translation of the rail.