Pressure impregnation of wood poles for preservation

Details Pressure impregnation of wood poles for preservation Pressure impregnation of wood poles for preservation

B - Operations, Transporting

27

K

9/70

B27K 3/52 (2006.01) B27K 3/15 (2006.01)

Patent

CA 1187255

PRESSURE IMPREGNATION OF WOOD POLES FOR PRESERVATION Abstract of the Disclosure A treatment for wood poles, as used for telecommunications and electric power poles, to reduce surface hardening comprises modifying the standard treatment solution by the addition of a polymer of ethylene oxide. A surface active agent is a further possible additive, and reduction of the hexavalent chrome ion in the standard solution is a further modification. - i -

417630

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