Patent · US Expired

Apparatus for consolidating ballast

US3942448A · kind A · utility

5Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 1974
Grant dateMar 9, 1976
Priority date
Expiry dateMay 24, 1994

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE01B27/16
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A track or switch tamping machine wherein the machine includes tamping and ramming units having longitudinal ducts for injecting liquid binder into the ballast. The longitudinal ducts terminate in a plate or cavity within the lower portion of the tamping and ramming units. A nozzle is also included in the unit as is means for conveying liquid binder from a storage tank carried on the machine.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.