WO2001013704A1 - Greenhouse as well as roof element for such a greenhouse having increased light transmission - Google Patents
Greenhouse as well as roof element for such a greenhouse having increased light transmission Download PDFInfo
- Publication number
- WO2001013704A1 WO2001013704A1 PCT/NL2000/000574 NL0000574W WO0113704A1 WO 2001013704 A1 WO2001013704 A1 WO 2001013704A1 NL 0000574 W NL0000574 W NL 0000574W WO 0113704 A1 WO0113704 A1 WO 0113704A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- roof
- base
- pairs
- greenhouse
- apex
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title description 5
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
-
- 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
Definitions
- the invention relates to a greenhouse having a transparent roof construction with a longitudinal direction and a transverse direction located pe ⁇ endicularly thereto, having va ⁇ ous pairs of first roof surfaces in succession in the transverse direction, the first roof surfaces of a predetermined pair running at an angle with respect to a ho ⁇ zontal from a base edge o ⁇ ented in the longitudinal direction of the greenhouse to a common apex
- the invention also relates to a roof element for use in such a greenhouse It is known from the publication entitled "Second International Symposium on
- An aim of the present invention is to provide a roof construction of the above- mentioned type, provided with a quantity of pairs of roof surfaces which are laid in contact with one another and come together in an apex, the light transmission being increased
- the roof construction according to the present invention is characte ⁇ sed in that the greenhouse is also provided with pairs of successive second roof surfaces in the longitudinal direction, which second roof surfaces run at an angle with respect to the ho ⁇ zontal from a base edge o ⁇ ented in the transverse direction of the greenhouse to a common apex
- a zigzag or ⁇ bbed pattern of the roof surfaces extending in two pe ⁇ endicular directions is able to increase the light yield by 10%-20% compared with roof constructions which are of zigzag construction only in the transverse direction
- the pairs of roof surfaces form pyramids which are joined to one another along their sides to give a continuous roof construction
- the pairs of first roof surfaces are in contact with one another along edges at the apex, w herein base edges and the edges at the apex of the pairs of first roof surfaces extend parallel to one another in the longitudinal direction, wherein the pairs of second roof surfaces are in contact with one another along edges at the apex and wherein the base edges and the edges at the apex of the second pairs of roof surfaces extend parallel to one another from a base edge of a first roof surface to the edge at the apex of the first roof surface concerned.
- roof elements with a zigzag pattern double-walled as a hollow-core sheet so that, on the one hand, adequate strength and insulating effect of the roof construction is obtained whilst, on the other hand, the light transmission is increased.
- the double-walled roof elements comprise a base surface made of, for example, polycarbonate with a thickness of 0.8 mm on which a zigzag-shaped sheet with ribs approximately 20 mm high is fixed.
- the double-walled roof element is made in one piece.
- the roof elements can be of modular construction and are provided with coupling means for joining to similar roof elements.
- Figure 1 shows a diagrammatic, perspective view of a roof with a roof construction that is in zigzag form in the transverse direction and the longitudinal direction
- Figure 2 shows a diagrammatic, perspective view of a roof construction formed from a series of pyramids
- Figure 3 shows a cross-section of a double-walled roof element in the form of a hollow- core sheet according to the present invention
- Figure 4 shows an alternative embodiment of a double-walled roof element in the form of a hollow-core sheet according to the invention
- Figure 5 shows a double-walled roof element formed by a series of pyramids
- Figure 6 shows two roof elements joined to one another by means of coupling means.
- Figure 1 shows a greenhouse 1, such as, for example, a greenhouse of the Venlo type having a transparent roof construction 2.
- the roof construction 2 is supported on uprights 3 and horizontal lattice girders 4, which are shown here diagrammatically only.
- the height a of a greenhouse as shown in Figure 1 is, for example, 4 m, whilst the width, d, in the transverse direction D, is 8 m for a length in the longitudinal direction L of, for example, 100 m.
- the roof construction 2 comprises pairs of first roof surfaces 5, 6; 7, 8, which run from a base edge 1 1 , 1 1 ', 1 1 " at an angle ⁇ of approximately 20° with respect to the horizontal and which are fixed to one another along a respective apex 9, 10.
- the height h is a greenhouse 1, such as, for example, a greenhouse of the Venlo type having a transparent roof construction 2.
- the roof construction 2 is supported on uprights 3 and horizontal lattice girders 4, which are shown here diagrammatically only
- the pairs of roof surfaces 5, 6; 7, 8 are provided with transverse ribs, formed by pairs of second roof surfaces 12, 13; 14, 15.
- the roof surfaces 12, 13; 14, 15 run at an angle ⁇ from base edges 18. 19; 20, 21 and are joined to one another along edges at the apex 16, 17.
- the distance d between the base edges 18, 19; 20, 21 of the pairs of second roof surfaces 12, 13; 14, 15 is, for example, 2 cm, whilst the height h 2 of the edge at the apex 16, 17 above the plane of the base edges 18, 19; 20, 21 is 1.7 cm.
- Figure 2 shows an embodiment of a greenhouse 28 having a roof construction 29 in which the base edges 30, 31, 32, 33 of pairs of first roof surfaces 34, 35 and pairs of second roof surfaces 36, 37 delimit rectangles in contact with one another, above which the roof surfaces 34, 35; 36, 37 come together in an apex 38, so that a multiplicity of pyramids 39, 40 is formed to increase the light yield.
- the length of the base edges 31, 32 is approximately 1 m, whilst the height of the pyramids is 1.7 m.
- Figure 3 shows an embodiment of a double-walled roof element 50 in the form of a hollow-core sheet having a base sheet 51 and pairs of roof surfaces 52, 53, 54, 55 which are joined to one another along edges at the apex 56, 57 extending pe ⁇ endicularly to the plane of the drawing.
- the base edges 60, 61, 62, 63 are joined via partitions 58, 59 to the base sheet 1.
- the thickness b, of the base sheet is, for example, 0.8 mm
- the thickness b 2 of the surfaces 52, 53, 54, 55 is, for example, 1 mm
- the height h 3 is, for example, 28 mm
- the distance d 3 between the base edges 60, 61 , 62, 65 is, for example, 16 mm.
- the height h 5 is 13.9 mm.
- the angle ⁇ of the roof surfaces 52, 53, 54. 55 to the horizontal is 60°.
- the material of the double-walled roof element 50 is, for example, polycarbonate, but this element can also be made from any other suitable transparent plastic.
- FIG. 4 shows an alternative embodiment of a double-walled roof element 70 having roof surfaces 71, 72, which are positioned at an angle, and base surfaces 73, 74, which are likewise positioned at an angle and which are joined to one another by partitions 75, 76,
- the thickness b 3 of the roof surfaces 71 , 72 is, for example, 1 mm
- the distance h between the roof surfaces 71 , 72 and the base surfaces 73, 74 is, for example, 20 mm
- the thickness b 4 of the partition 77 is, for example, 0.8 mm.
- the distance d 4 between the base edges 78, 79 is, for example, 30 mm.
- Figure 5 shows an embodiment of a roof element 80 made from one piece of transparent plastic and having a base sheet 81.
- Four surfaces 82, 83, 84, 85 extend along four base edges 86, 87, 88, 89 of the base sheet 81 to a common apex 90.
- a multiplicity of pyramids uniformly distributed over the base sheet 81 are formed.
- the length of the base edges 86, 87, 88, 89 is, for example, 1.5 m and the distance from the apex 90 to the base sheet 81 is 2.6 m.
- Figure 6 shows two roof elements 90, 91 which are joined to one another via complementary fixing means 92, 93 which engage in a simple manner and in modular fashion form a roof construction according to the present invention.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Greenhouses (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU0202896A HUP0202896A2 (en) | 1999-08-19 | 2000-08-17 | Greenhouse as well as roof element for such a greenhouse having increased light transmission |
AT00953582T ATE274792T1 (en) | 1999-08-19 | 2000-08-17 | GREENHOUSE AND ROOF ELEMENT FOR SUCH A GREENHOUSE WITH INCREASED LIGHT TRANSMISSION |
CA002383072A CA2383072A1 (en) | 1999-08-19 | 2000-08-17 | Greenhouse as well as roof element for such a greenhouse having increased light transmission |
JP2001517860A JP2003507043A (en) | 1999-08-19 | 2000-08-17 | Greenhouses with increased light transmission and roof members for such greenhouses |
DE60013452T DE60013452T2 (en) | 1999-08-19 | 2000-08-17 | GREENHOUSE AND ROOF ELEMENT FOR SUCH GREENHOUSE WITH INCREASED LIGHT TRANSMISSION |
DK00953582T DK1204310T3 (en) | 1999-08-19 | 2000-08-17 | Greenhouse as well as roof element for such a greenhouse with increased light transmission |
NZ517246A NZ517246A (en) | 1999-08-19 | 2000-08-17 | Greenhouse as well as roof element for such a greenhouse having increased light transmission |
US10/049,854 US6898902B1 (en) | 1999-08-19 | 2000-08-17 | Greenhouse as well as roof element for such a greenhouse having increased light transmission |
EP00953582A EP1204310B1 (en) | 1999-08-19 | 2000-08-17 | Greenhouse as well as roof element for such a greenhouse having increased light transmission |
AU66007/00A AU776062B2 (en) | 1999-08-19 | 2000-08-17 | Greenhouse as well as roof element for such a greenhouse having increased light transmission |
NO20020720A NO20020720L (en) | 1999-08-19 | 2002-02-13 | Greenhouse and roof element for the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1012866 | 1999-08-19 | ||
NL1012866A NL1012866C2 (en) | 1999-08-19 | 1999-08-19 | Greenhouse as well as hood element for such a greenhouse with an increased light transmission. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001013704A1 true WO2001013704A1 (en) | 2001-03-01 |
Family
ID=19769758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NL2000/000574 WO2001013704A1 (en) | 1999-08-19 | 2000-08-17 | Greenhouse as well as roof element for such a greenhouse having increased light transmission |
Country Status (20)
Country | Link |
---|---|
US (1) | US6898902B1 (en) |
EP (1) | EP1204310B1 (en) |
JP (1) | JP2003507043A (en) |
CN (1) | CN1181726C (en) |
AT (1) | ATE274792T1 (en) |
AU (1) | AU776062B2 (en) |
CA (1) | CA2383072A1 (en) |
CZ (1) | CZ2002542A3 (en) |
DE (1) | DE60013452T2 (en) |
DK (1) | DK1204310T3 (en) |
ES (1) | ES2226899T3 (en) |
HU (1) | HUP0202896A2 (en) |
NL (1) | NL1012866C2 (en) |
NO (1) | NO20020720L (en) |
NZ (1) | NZ517246A (en) |
PL (1) | PL364695A1 (en) |
PT (1) | PT1204310E (en) |
TR (1) | TR200200466T2 (en) |
WO (1) | WO2001013704A1 (en) |
ZA (1) | ZA200201152B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6959519B2 (en) | 2003-03-10 | 2005-11-01 | General Electric | Corrugated polymeric zigzag sheet for greenhouse roof structures |
US7992361B2 (en) | 2006-04-13 | 2011-08-09 | Sabic Innovative Plastics Ip B.V. | Polymer panels and methods of making the same |
US8043688B2 (en) | 2008-11-25 | 2011-10-25 | Sabic Innovative Plastics Ip B.V. | Multiwall sheet, an article, a method of making a multiwall sheet |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1023098C2 (en) * | 2002-11-05 | 2004-05-07 | Alcoa Nederland Bv | Warehouse or greenhouse roof, has coupling devices clamped under tension against ends of roof panels by coupling devices |
NL1021844C2 (en) * | 2002-11-05 | 2004-05-07 | Alcoa Nederland Bv | Warehouse or greenhouse roof, has roof panels tensioned in direction parallel to their peaks and troughs |
NL1025210C2 (en) * | 2004-01-09 | 2005-07-12 | Klimrek I E B V | Cap construction for a greenhouse. |
US8590271B2 (en) * | 2006-04-13 | 2013-11-26 | Sabic Innovative Plastics Ip B.V. | Multi-wall structural components having enhanced radiatransmission capability |
US20080038519A1 (en) * | 2006-08-11 | 2008-02-14 | Hoolhorst Frederik W B | Polymer Sheeting |
EP2257150A1 (en) * | 2008-03-19 | 2010-12-08 | Grow Foil B.V. | Greenhouse for enhanced plant growth |
CN103270909B (en) * | 2011-07-11 | 2014-10-01 | 杭州儒燕科技开发有限公司 | plant greenhouse |
CN106508492A (en) * | 2016-10-30 | 2017-03-22 | 成都奥能普科技有限公司 | Crystal-containing pyramid-type factory farming automatic production line |
EP3934410A4 (en) | 2019-03-07 | 2022-11-23 | Agriforce Growing Systems Ltd. | Structures for growing plants |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7809424A (en) * | 1978-09-15 | 1980-03-18 | Priva Handel Bv | BREEDING SPACE. |
DE3404935A1 (en) * | 1984-02-11 | 1985-08-14 | Hans Dipl.-Ing. 2240 Heide Spethmann | Rotationally symmetrical housing consisting of identical quadrilateral flat elements |
US4671025A (en) * | 1984-11-07 | 1987-06-09 | Robert Butler | Greenhouse construction |
GB2256209A (en) * | 1991-06-01 | 1992-12-02 | Gerald Norman Wallis | General protection structure |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3266201A (en) * | 1962-12-14 | 1966-08-16 | Mobil Oil Corp | Double cantilever roof structure |
US3591991A (en) * | 1969-06-17 | 1971-07-13 | Lev Zetlin | Cantilevered roof section |
US4320603A (en) * | 1980-06-16 | 1982-03-23 | Solomon Kirschen | Roof construction |
-
1999
- 1999-08-19 NL NL1012866A patent/NL1012866C2/en not_active IP Right Cessation
-
2000
- 2000-08-17 CN CNB00811742XA patent/CN1181726C/en not_active Expired - Fee Related
- 2000-08-17 PL PL00364695A patent/PL364695A1/en unknown
- 2000-08-17 HU HU0202896A patent/HUP0202896A2/en unknown
- 2000-08-17 PT PT00953582T patent/PT1204310E/en unknown
- 2000-08-17 US US10/049,854 patent/US6898902B1/en not_active Expired - Fee Related
- 2000-08-17 DK DK00953582T patent/DK1204310T3/en active
- 2000-08-17 AT AT00953582T patent/ATE274792T1/en not_active IP Right Cessation
- 2000-08-17 ES ES00953582T patent/ES2226899T3/en not_active Expired - Lifetime
- 2000-08-17 AU AU66007/00A patent/AU776062B2/en not_active Ceased
- 2000-08-17 JP JP2001517860A patent/JP2003507043A/en active Pending
- 2000-08-17 CZ CZ2002542A patent/CZ2002542A3/en unknown
- 2000-08-17 CA CA002383072A patent/CA2383072A1/en not_active Abandoned
- 2000-08-17 WO PCT/NL2000/000574 patent/WO2001013704A1/en not_active Application Discontinuation
- 2000-08-17 NZ NZ517246A patent/NZ517246A/en unknown
- 2000-08-17 EP EP00953582A patent/EP1204310B1/en not_active Expired - Lifetime
- 2000-08-17 DE DE60013452T patent/DE60013452T2/en not_active Expired - Fee Related
- 2000-08-17 TR TR2002/00466T patent/TR200200466T2/en unknown
-
2002
- 2002-02-11 ZA ZA200201152A patent/ZA200201152B/en unknown
- 2002-02-13 NO NO20020720A patent/NO20020720L/en not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7809424A (en) * | 1978-09-15 | 1980-03-18 | Priva Handel Bv | BREEDING SPACE. |
DE3404935A1 (en) * | 1984-02-11 | 1985-08-14 | Hans Dipl.-Ing. 2240 Heide Spethmann | Rotationally symmetrical housing consisting of identical quadrilateral flat elements |
US4671025A (en) * | 1984-11-07 | 1987-06-09 | Robert Butler | Greenhouse construction |
GB2256209A (en) * | 1991-06-01 | 1992-12-02 | Gerald Norman Wallis | General protection structure |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6959519B2 (en) | 2003-03-10 | 2005-11-01 | General Electric | Corrugated polymeric zigzag sheet for greenhouse roof structures |
US7992361B2 (en) | 2006-04-13 | 2011-08-09 | Sabic Innovative Plastics Ip B.V. | Polymer panels and methods of making the same |
US8043688B2 (en) | 2008-11-25 | 2011-10-25 | Sabic Innovative Plastics Ip B.V. | Multiwall sheet, an article, a method of making a multiwall sheet |
Also Published As
Publication number | Publication date |
---|---|
TR200200466T2 (en) | 2002-09-23 |
NO20020720L (en) | 2002-04-18 |
ATE274792T1 (en) | 2004-09-15 |
CN1181726C (en) | 2004-12-29 |
ES2226899T3 (en) | 2005-04-01 |
ZA200201152B (en) | 2003-04-30 |
EP1204310B1 (en) | 2004-09-01 |
PT1204310E (en) | 2005-01-31 |
AU6600700A (en) | 2001-03-19 |
US6898902B1 (en) | 2005-05-31 |
CA2383072A1 (en) | 2001-03-01 |
AU776062B2 (en) | 2004-08-26 |
NL1012866C2 (en) | 2001-02-20 |
HUP0202896A2 (en) | 2003-02-28 |
CN1370041A (en) | 2002-09-18 |
JP2003507043A (en) | 2003-02-25 |
EP1204310A1 (en) | 2002-05-15 |
DK1204310T3 (en) | 2004-11-01 |
DE60013452D1 (en) | 2004-10-07 |
NZ517246A (en) | 2003-02-28 |
DE60013452T2 (en) | 2005-09-01 |
PL364695A1 (en) | 2004-12-13 |
NO20020720D0 (en) | 2002-02-13 |
CZ2002542A3 (en) | 2002-11-13 |
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