Combination wood plastic railroad tie

Details Combination wood plastic railroad tie Combination wood plastic railroad tie

1976-02-25

1981-09-01

Reese, Randolph A.

Railways: surface track

Ties

Forms

238 83, 428106, 428529, E01B 310

Patent

active

042867533

ABSTRACT:
A combination railroad tie for supporting railroad track rails on a ballast or concrete roadbed. The main body portion of the tie is wood, having a rectangular cross section and a flat upper and lower surface. A plurality of flat plastic plies made of shredded wood fibers or wood chips bonded together by a thermal setting resin are, in turn, bonded to the upper and lower surfaces of the main body portion.

REFERENCES:
patent: 598127 (1898-02-01), Williams
patent: 875856 (1908-01-01), Shuman
patent: 1250194 (1917-12-01), Lietz
patent: 1623185 (1927-04-01), Hinde
patent: 2257833 (1941-10-01), Baseler et al.
patent: 2350729 (1944-06-01), Crouet
patent: 2859187 (1958-11-01), Ropella
patent: 2986782 (1961-06-01), Elmendorf
patent: 3300361 (1967-01-01), Brown
patent: 3416727 (1968-12-01), Collins
patent: 3793125 (1974-02-01), Kunz
patent: 3846219 (1974-11-01), Kunz
patent: 3865681 (1975-02-01), Beebe

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