Snow load removal

Details Snow load removal Snow load removal

1974-11-15

1976-05-25

Sprague, Kenneth W.

Heating systems

Miscellaneous

Special liquid

237 52, 52 2, 165 32, 428315, F24D 302

Patent

active

039587541

ABSTRACT:
Means to remove snow loads from a roof includes a roof structure for a building and treating means within the building. The roof structure is characterized by flexibility and relatively high initial thermal insulation value and comprises a relatively non-yielding roof base, an elastically compressible insulating layer resting thereon, and a very light weight continuous top layer positioned outermost, so that the weight of this top layer will be considerably less than the expectable weight of a heavy snowfall. Snow on the roof compresses the insulation and reduces the thermal insulating value so snow on such roof will rapidly be melted by heat leakage through the roof, yet the previous high thermal insulation will be restored as soon as snow pressure ceases.

REFERENCES:
patent: 2649101 (1953-08-01), Suits
patent: 2690185 (1954-09-01), Pomykala
patent: 3183996 (1965-05-01), Capaul
patent: 3187069 (1965-06-01), Pincus et al.
patent: 3257266 (1966-06-01), Sapper
patent: 3265236 (1966-08-01), Gibbon et al.
patent: 3304665 (1967-02-01), Lee
patent: 3563845 (1971-02-01), Stevens

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