Liner for protecting poles against sub-soil decay

Details Liner for protecting poles against sub-soil decay Liner for protecting poles against sub-soil decay

1996-06-17

1998-03-10

Dye, Rena

Stock material or miscellaneous articles

Hollow or container type article

Shrinkable or shrunk

428 352, 428349, 428913, 424412, 156 86, 15624411, 174DIG8, A01N 2534

Patent

active

057259216

ABSTRACT:
The invention relates to a sleeve provided for protecting a timber pole against sub-soil decay. The application of the sleeve on a pole forms part of a primary/preventative form of treatment, the sleeve comprising a composite structure including at least two layers of synthetic plastic material. At least one of the layers of the sleeve has heat shrink properties permitting the sleeve to be heat shrunk onto a pole, all the individual layers of the sleeve being of different materials having different properties that are selected in terms of the specific conditions of a pole to be protected and the sub-soil conditions to which the pole will be exposed, in use.

REFERENCES:
patent: 4386071 (1983-05-01), Carle
patent: 5134000 (1992-07-01), Smythe et al.
patent: 5175032 (1992-12-01), Steele et al.
patent: 5302428 (1994-04-01), Steele et al.
patent: 5413790 (1995-05-01), Koppe et al.
patent: 5449537 (1995-09-01), Pieper et al.

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