In situ preservative treatment of railroad tie

Details In situ preservative treatment of railroad tie In situ preservative treatment of railroad tie

1987-03-30

1988-04-19

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Solid treating member or material contacts coating

238 84, 264 31, 428907, B05D 312, E04B 116, E01B 336, E01B 346

Patent

active

047388781

ABSTRACT:
In situ wood preservative treatment of a wooden railroad tie. The method includes the steps of injecting a paste-like preparation having a water soluble fungicide into one or more unoccupied spike holes in the rail supporting tie plate. The preparation lodges in crevices and recesses in communication with the spike hole, killing existing decay fungi. Over a period of time the fungicide follows existing or subsequently developed paths of moisture to more remote decay sites.

REFERENCES:
patent: 1388877 (1921-08-01), Moore
patent: 2216775 (1940-10-01), Helson
patent: 2623300 (1952-12-01), Hudson
patent: 3907201 (1975-09-01), Dlugosz
patent: 4156440 (1979-05-01), Katoh
patent: 4202494 (1980-05-01), Rumell
patent: 4267085 (1981-05-01), Katoh
patent: 4449666 (1984-05-01), Hales et al.
patent: 4634545 (1987-01-01), Zaleski et al.
patent: 4652495 (1987-03-01), Sato et al.

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