Barrier for utility pole

Details Barrier for utility pole Barrier for utility pole

1986-11-03

1989-01-24

Murtagh, John E.

Static structures (e.g., buildings)

Specified terranean relationship

Shaft reinforcement adjacent earth's surface

52514, 52728, 405255, E04B 170

Patent

active

047993405

ABSTRACT:
An enclosure constituting a barrier for a buried segment of a pole to prevent leaching of pole preservatives into the ground. Pliable sheet material is formed into a tubular sheath by means of a lengthwise seam. A closure is formed at the lower end of the sheath by folding and a thermal weld. A band at the barrier upper end may be shrunk to close the barrier snugly about the pole.

REFERENCES:
patent: 516530 (1894-03-01), Harvey
patent: 1329026 (1920-01-01), Snyder
patent: 1419108 (1922-06-01), Bitting
patent: 2316385 (1943-04-01), Abramson
patent: 2396565 (1946-03-01), Gardner
patent: 2724156 (1955-11-01), Shaw
patent: 2842179 (1958-07-01), Hoeppner
patent: 3015918 (1962-01-01), Schoen
patent: 3117712 (1964-01-01), Kugler
patent: 3362124 (1968-01-01), Du Val Cravens et al.
patent: 4253507 (1981-03-01), Williamson
patent: 4521910 (1985-06-01), Keppel

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