GB1250065A - - Google Patents

Info

Publication number
GB1250065A
GB1250065A GB3703969A GB1250065DA GB1250065A GB 1250065 A GB1250065 A GB 1250065A GB 3703969 A GB3703969 A GB 3703969A GB 1250065D A GB1250065D A GB 1250065DA GB 1250065 A GB1250065 A GB 1250065A
Authority
GB
United Kingdom
Prior art keywords
roof
rollers
closure
cord
opening
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
GB3703969A
Other languages
English (en)
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 filed Critical
Publication of GB1250065A publication Critical patent/GB1250065A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
    • A01K1/0058—Construction of air inlets or outlets in roofs
    • 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
    • A01G9/241—Arrangement of opening or closing systems for windows and ventilation panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • 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)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Tents Or Canopies (AREA)
  • Greenhouses (AREA)
GB3703969A 1969-07-23 1969-07-23 Expired GB1250065A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3703969 1969-07-23

Publications (1)

Publication Number Publication Date
GB1250065A true GB1250065A (fr) 1971-10-20

Family

ID=10393243

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3703969A Expired GB1250065A (fr) 1969-07-23 1969-07-23

Country Status (1)

Country Link
GB (1) GB1250065A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4945821A (en) * 1987-01-05 1990-08-07 Holmberg Douglas A Ventilated greenhouse
US5000080A (en) * 1987-01-05 1991-03-19 Holmberg Douglas A Ventilated greenhouse
US5484335A (en) * 1990-01-10 1996-01-16 Holmberg; Douglas A. Ventilated enclosure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4945821A (en) * 1987-01-05 1990-08-07 Holmberg Douglas A Ventilated greenhouse
US5000080A (en) * 1987-01-05 1991-03-19 Holmberg Douglas A Ventilated greenhouse
US5484335A (en) * 1990-01-10 1996-01-16 Holmberg; Douglas A. Ventilated enclosure

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees