Apparatus for use in applying granular material to a rail

Track sanders – Power-actuated – Fluid

Reexamination Certificate

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Details

C291S003000, C291S038000, C222S072000

Reexamination Certificate

active

06976713

ABSTRACT:
An apparatus for applying granular material to a rail adjacent to a wheel of a train includes a granular supply material container to which a granular material injection assembly is connected. The granular material injection assembly includes a housing having a mixing chamber. An insert is connected with the housing. A first end portion of the insert has an air inlet through which air flows into the mixing chamber. A second end portion of the insert has an air outlet through which air and granular material flow from the mixing chamber. A valve may be mounted in the air inlet portion of the insert. A venturi may be mounted in the air outlet portion of the insert. A deflector portion of the insert deflects granular material away from a path of flow of air between the air inlet and the air and granular material outlet.

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