Electricity: conductors and insulators – Overhead – Towers – poles or posts
Patent
1976-10-08
1979-01-16
Truhe, J. V.
Electricity: conductors and insulators
Overhead
Towers, poles or posts
169 48, 174101, H02G 304
Patent
active
041350553
ABSTRACT:
A casing for enclosing and fireproofing electric conductors comprises of fire resistant side walls and having means for being supported by the conductor supports. In several embodiments, the casing has ventilation openings and heat responsive means for closing the openings.
REFERENCES:
patent: 771301 (1904-10-01), Eddelman
patent: 1217398 (1917-02-01), Bonnell
patent: 2023433 (1935-12-01), McConnell
patent: 2279791 (1942-04-01), Lamb
patent: 3401721 (1968-09-01), George
patent: 3646244 (1972-02-01), Cole
Beckers Richard
Monheimius Manfred
Wedel Wedigo V.
Promat Gesellschaft fur moderne Werkstoffe mbH & Co. KG
Tone D. A.
Truhe J. V.
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