Excavating – Railway graders – Side former
Patent
1985-05-22
1987-11-17
Burr, Edgar S.
Excavating
Railway graders
Side former
171 16, E02F 522
Patent
active
047063955
ABSTRACT:
Ballast dressing unit (17) on machines (10) which dress and re-distribute railway road bed ballast, such unit (17) comprising at least one rotary dressing drum (23-24).
REFERENCES:
patent: 3007264 (1961-11-01), Stanton
patent: 3579873 (1971-05-01), Kershaw
patent: 3706145 (1972-12-01), Bucksch et al.
Burr Edgar S.
Cohen Moshe I.
Danieli & C. Officine Meccaniche SpA
ITI/CLM Impianti Technici Industriali SpA
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