E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
E01B31/02—Working rail or other metal track components on the spot
E01B31/18—Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding; Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails
Procede destine aux outils de coupe de tous genres pour empecher l'entrainement des pieces decoupees et des dechets lors de l'extraction du poincon