Railways: surface track – Fastenings – Clamps
Patent
1988-02-25
1990-05-29
Focarino, Margaret A.
Railways: surface track
Fastenings
Clamps
238366, 238DIG1, E01B 928
Patent
active
049288784
ABSTRACT:
Spikes for holding elastic rail clamps for use with wooden rail ties. The spike portion incorporating recesses in its surface to accommodate an adhesive which improves adhesions between the spike and the wooden tie. The lower end of the spike which faces the rail incorporates a series of ribs.
REFERENCES:
patent: 2530229 (1950-11-01), Clark
patent: 2690879 (1954-10-01), Snyder
patent: 2886248 (1959-05-01), Laudig
patent: 3004715 (1961-10-01), Gadd
patent: 3067947 (1962-12-01), Deenik et al.
patent: 3356300 (1967-12-01), Harrel
patent: 4267970 (1981-05-01), Lubbers
Bean Jr. Edwin T.
Focarino Margaret A.
Linihan Martin G.
Ralph McKay Limited
Thompson John C.
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