Double walled thermal protective coverings

Details Double walled thermal protective coverings Double walled thermal protective coverings

1978-12-13

1981-05-19

Bagwill, Robert E.

Plant husbandry

Cover, shade, or screen

Adjustable on supporting structure or having means allowing...

47 2, 47 29, 47 28R, A01G 1300

Patent

active

042676657

ABSTRACT:
Thermal protective coverings for plants are provided by a double walled insulative device closable at the top and adapted to fit about the plant wherein the insulative space within the walls is filled with water or water and air.

REFERENCES:
patent: 2028060 (1936-01-01), Gilbert
patent: 2232005 (1941-02-01), Jones
patent: 3206892 (1965-09-01), Telkes et al.
patent: 3270461 (1966-09-01), Fowler
patent: 3727345 (1973-04-01), Smith
patent: 4065016 (1977-12-01), Perkins
patent: 4137667 (1979-02-01), Wallace

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