Composite railroad tie

Details Composite railroad tie Composite railroad tie

1976-02-26

1977-07-12

Tollberg, Stanley H.

Railways: surface track

Ties

Nonmetallic

238 62, 238 91, E01B 332

Patent

active

040349136

ABSTRACT:
An improved railroad tie constructed of a metal sheath with angled walls braced longitudinally, vertically, and laterally and reinforced by a filling of concrete, the sheath structure being especially adapted for spring-type rail securing devices bridging the side walls of the shell. Hand-hold recesses are provided at the ends to facilitate manual handling of the ties.

REFERENCES:
patent: 912731 (1909-02-01), Riegler
patent: 1215112 (1917-02-01), Chesney
patent: 1524750 (1925-02-01), Rea
patent: 2695754 (1954-11-01), Karig

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