Insulated rail joint

Details Insulated rail joint Insulated rail joint

1978-07-21

1981-06-16

Reese, Randolph A.

Railways: surface track

Rail joints

Insulated

238152, 238243, E01B 1154, E01B 1110

Patent

active

042732840

ABSTRACT:
A rail joint includes an insulative base piece formed of a synthetic plastic composition and insertable between a rail base flange and a joint bar. The opposite surfaces of the base piece are provided with elevated ribs or serrations extending longitudinally of the length of the base piece which base piece is at least as long as the joint bar. Longitudinal migration of the base piece during travel over the rail joint is resisted and thus retention of the base piece is enhanced, due to the deformation of the ribs as the base piece is sandwiched between the rail and joint bar and irregularities in the opposed joint bar and rail base surfaces are filled by the compressed and deformed ribs.

REFERENCES:
patent: 2066797 (1937-01-01), Oettinger
patent: 2315444 (1943-03-01), Meade
patent: 3344990 (1967-10-01), Bingmann et al.
patent: 3416728 (1968-12-01), Hamilton, Jr.
patent: 3581990 (1971-06-01), Kirik

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