Single-pass, single-radial layer, circumferential-progression fill-welding system, apparatus and method for refurbishing railway and other transit rails
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United States of America Patent
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May 14, 2019
Grant Date -
Oct 11, 2018
app pub date -
Apr 7, 2017
filing date -
Apr 7, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and related system and apparatus for refurbishing worn rail transit rails to a desired refurbished rail surface profile substantially similar to the surface profile of a newly-manufactured rail, comprising: depositing a first line of fill material along a lower-inside section to be refurbished; in N−1 successive iterations thereafter, progressing circumferentially from the lower-inside section to be refurbished to an upper-outside section to be refurbished, depositing an n+1th line of fill material adjacent an nth line of fill material wherein the nth line of fill material substantially provides a flow barrier against the n+1th line of fill material flowing past the nth line of fill material.
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