Railroad tie pad

Railways: surface track – Rail seats – Cushions

Patent

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Details

E01B 962

Patent

active

057303576

ABSTRACT:
A railroad tie pad comprises a hard polymer frame which defines a central cavity. An elastomeric insert fills the cavity and is secured to the frame. One side of the frame is wider than an opposing side.

REFERENCES:
patent: 3974312 (1976-08-01), Stevens et al.
patent: 4254908 (1981-03-01), Matsubara
patent: 4317270 (1982-03-01), Watanabe et al.
patent: 5261599 (1993-11-01), Brown

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