FR2231311A1 - Tunnel-type greenhouse aeration system - comprises framework of transverse arches with elevatable covering - Google Patents
Tunnel-type greenhouse aeration system - comprises framework of transverse arches with elevatable coveringInfo
- Publication number
- FR2231311A1 FR2231311A1 FR7320660A FR7320660A FR2231311A1 FR 2231311 A1 FR2231311 A1 FR 2231311A1 FR 7320660 A FR7320660 A FR 7320660A FR 7320660 A FR7320660 A FR 7320660A FR 2231311 A1 FR2231311 A1 FR 2231311A1
- Authority
- FR
- France
- Prior art keywords
- covering
- arches
- elevatable
- tunnel
- aeration system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005273 aeration Methods 0.000 title abstract 2
- 125000006850 spacer group Chemical group 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protection of plants
- A01G13/20—Protective coverings for plants
- A01G13/24—Tunnels for covering rows of plants
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Greenhouses (AREA)
- Protection Of Plants (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7320660A FR2231311A1 (en) | 1973-06-01 | 1973-06-01 | Tunnel-type greenhouse aeration system - comprises framework of transverse arches with elevatable covering |
ES426389A ES426389A1 (es) | 1973-06-01 | 1974-05-17 | Perfeccionamientos en invernaderos en forma de tunel. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7320660A FR2231311A1 (en) | 1973-06-01 | 1973-06-01 | Tunnel-type greenhouse aeration system - comprises framework of transverse arches with elevatable covering |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2231311A1 true FR2231311A1 (en) | 1974-12-27 |
FR2231311B1 FR2231311B1 (enrdf_load_stackoverflow) | 1977-07-29 |
Family
ID=9120617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7320660A Granted FR2231311A1 (en) | 1973-06-01 | 1973-06-01 | Tunnel-type greenhouse aeration system - comprises framework of transverse arches with elevatable covering |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES426389A1 (enrdf_load_stackoverflow) |
FR (1) | FR2231311A1 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4676032A (en) * | 1983-10-28 | 1987-06-30 | Pierre Jutras | Inflatable wall structure |
-
1973
- 1973-06-01 FR FR7320660A patent/FR2231311A1/fr active Granted
-
1974
- 1974-05-17 ES ES426389A patent/ES426389A1/es not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4676032A (en) * | 1983-10-28 | 1987-06-30 | Pierre Jutras | Inflatable wall structure |
Also Published As
Publication number | Publication date |
---|---|
FR2231311B1 (enrdf_load_stackoverflow) | 1977-07-29 |
ES426389A1 (es) | 1976-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |