Metal working – Method of mechanical manufacture – Shaping mating parts for reassembly in different positions
Patent
1976-08-05
1977-09-13
Duzan, James R.
Metal working
Method of mechanical manufacture
Shaping mating parts for reassembly in different positions
83 5, 104 9, 144193A, B23P 1902
Patent
active
040472809
ABSTRACT:
This is a method and apparatus for removing ties from under railroad track and is specifically concerned with removing ties in one piece and involves removing the high wood from the ties in the area between the rails of the track and on one end thereof so that the tie may be pulled or pushed out the other way.
REFERENCES:
patent: 52215 (1866-01-01), Silkman
patent: 2474037 (1949-06-01), Cuthrell
patent: 2527668 (1950-10-01), Woolery
patent: 2712841 (1955-07-01), Simmons et al.
patent: 3496883 (1970-02-01), Bodine
patent: 3537400 (1970-11-01), Taylor
patent: 3675580 (1972-07-01), Kershaw
patent: 3698324 (1972-10-01), Peppin et al.
patent: 3881422 (1975-05-01), Bryan
Dieringer Andrew M.
Sheperd Ervin M.
Duzan James R.
Rexnord Inc.
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