Plant husbandry – Cover – shade – or screen – With irrigating means
Patent
1985-07-18
1987-03-03
Hafer, Robert A.
Plant husbandry
Cover, shade, or screen
With irrigating means
47 26, A01G 1302
Patent
active
046464670
ABSTRACT:
A cover to protect plants, such as rosebushes, azaleas, rhododendrons and the like, against winterkill and to maintain the plants in a dormant state is provided in the form of a multilayer bag with an air space between the layers, skirts or flaps at the mouth of the bag adapted to be covered with earth and a drawstring for closing the mouth of the bag around the crown of the plant. The layers of the bag permit air and vapor to breathe therethrough, but the bag is impervious to rain, snow, ice and strong air blasts. An inner layer of the bag is opaque and dark colored, preferably black, to keep the plant in a dark environment so as not to encourage premature growth. An outer layer of the bag is light colored, preferably white, to reflect the winter sun's rays. The materials forming the layers of the bag are nonwoven spun-bonded textile fabrics.
The bag is formed by superimposing a pair of spun-bonded nonwoven textile fabric sheets, stitching the sheets together along one longitudinal edge thereof, folding the sheets at the transverse center thereof, stitching together the folded-over opposite longitudinal edge and the overlapped ends. The stitching of the overlapped ends is terminated short of the opposite stitched together longitudinal edge. The fold is slit to the same level as the terminated stitching thereby providing a pair of flaps at the mouth of the bag. The bag is sliced to form belt loops therearound above the flaps. The bag is then turned inside out. A drawstring is threaded through the bolt loops or a tube stitched around the bag.
REFERENCES:
patent: 3270461 (1966-09-01), Fowler
patent: 3698131 (1972-10-01), Kesinger
patent: 4006561 (1977-02-01), Thoma et al.
patent: 4041203 (1977-08-01), Brock et al.
patent: 4265049 (1981-05-01), Gorewitz
patent: 4267665 (1981-05-01), Wallace et al.
Hafer Robert A.
Lewis Bradley M.
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