GB1483561A - Open soil warming duct for greenhouses - Google Patents

Open soil warming duct for greenhouses

Info

Publication number
GB1483561A
GB1483561A GB3529/75A GB352975A GB1483561A GB 1483561 A GB1483561 A GB 1483561A GB 3529/75 A GB3529/75 A GB 3529/75A GB 352975 A GB352975 A GB 352975A GB 1483561 A GB1483561 A GB 1483561A
Authority
GB
United Kingdom
Prior art keywords
duct
greenhouses
ducts
open soil
sheath
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.)
Expired
Application number
GB3529/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of GB1483561A publication Critical patent/GB1483561A/en
Expired legal-status Critical Current

Links

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
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/245—Conduits for heating by means of liquids, e.g. used as frame members or for soil heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Greenhouses (AREA)
GB3529/75A 1974-02-11 1975-01-27 Open soil warming duct for greenhouses Expired GB1483561A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7405313A FR2260283B1 (es) 1974-02-11 1974-02-11

Publications (1)

Publication Number Publication Date
GB1483561A true GB1483561A (en) 1977-08-24

Family

ID=9134997

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3529/75A Expired GB1483561A (en) 1974-02-11 1975-01-27 Open soil warming duct for greenhouses

Country Status (6)

Country Link
BE (1) BE825065A (es)
ES (1) ES209853Y (es)
FR (1) FR2260283B1 (es)
GB (1) GB1483561A (es)
IT (1) IT1027481B (es)
NL (1) NL176516C (es)

Also Published As

Publication number Publication date
ES209853U (es) 1976-04-16
NL7501461A (nl) 1975-08-13
NL176516C (nl) 1985-05-01
FR2260283A1 (es) 1975-09-05
IT1027481B (it) 1978-11-20
BE825065A (fr) 1975-05-15
FR2260283B1 (es) 1976-11-26
ES209853Y (es) 1976-09-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee