Railways: surface track – Rail seats – T-rail
238130, 238283, E01B 938
A concrete rail bed is provided with a pair of longitudinally extending laterally spaced rail-supporting pedestals with a connector between them, and each having a rail-receiving slot. The bed may be either precast or cast in place and may be reinforced as required. A rail has a head, a stem extending downwardly from the head, and flanges extending outwardly from the bottom region of the head. The rail is configured such that the stem fits into the slot of the concrete bed, with an elastomeric material inserted between the stem and the walls to substantially fill the slot.
patent: 390979 (1888-10-01), Littell
patent: 425965 (1890-04-01), Weems
patent: 586078 (1897-07-01), Stillman
patent: 1339046 (1920-05-01), Platten
patent: 2719676 (1955-10-01), Prater
patent: 3904112 (1975-09-01), Thim et al.
Hollis Darrell E.
Love John J.
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