FIELD: agriculture; protection of plants against unfavorable weather.
SUBSTANCE: load-bearing members of greenhouse roof are made in form of flexible cords fastened with film guard and suspended in taut state between end uprights on which they may be moved, freely fitted and taken off. Film guard is provided with drain recesses having semispherical holes in lower part. Some recesses are provided with drain valves made in form of two rings inserted one into other and section of film sleeve laid in between rings.
EFFECT: enhanced efficiency; reduction of labor consumption; possibility of mounting temporary multi-layer guard in case of light frost.
4 cl, 7 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| GREENHOUSE GUARD | 2001 |
|
RU2251251C2 |
| SEASONAL FILM GREENHOUSE FOR SMALL BUSINESSES | 2022 |
|
RU2778796C1 |
| GREENHOUSE | 2015 |
|
RU2612635C1 |
| GARDEN FRAME | 2006 |
|
RU2319370C1 |
| SUBURBAN GREENHOUSE | 2008 |
|
RU2373692C2 |
| GREENHOUSE | 1991 |
|
RU2005346C1 |
| BLOCK FILM WARMHOUSE | 0 |
|
SU917785A1 |
| PLANT PROTECTIVE DEVICE FORMED AS WEATHER SAFE GUARD AND FOLDABLE CURTAIN FOR PROTECTING CULTIVATED CROPS | 1995 |
|
RU2142698C1 |
| 0 |
|
SU435791A1 | |
| EXTERNAL HEAT INSULATING ENCLOSURE | 0 |
|
SU1025336A3 |
