WO2013030771A1 - Waxing machine and method for applying wax on a plant - Google Patents

Waxing machine and method for applying wax on a plant Download PDF

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Publication number
WO2013030771A1
WO2013030771A1 PCT/IB2012/054426 IB2012054426W WO2013030771A1 WO 2013030771 A1 WO2013030771 A1 WO 2013030771A1 IB 2012054426 W IB2012054426 W IB 2012054426W WO 2013030771 A1 WO2013030771 A1 WO 2013030771A1
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WO
WIPO (PCT)
Prior art keywords
wax
vat
waxing
conveyer belt
plant
Prior art date
Application number
PCT/IB2012/054426
Other languages
French (fr)
Inventor
Arne Ramsland
Jarl Martin PETTERSEN
Original Assignee
Norsk Wax As
Tronrud Engineering As
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 Norsk Wax As, Tronrud Engineering As filed Critical Norsk Wax As
Publication of WO2013030771A1 publication Critical patent/WO2013030771A1/en

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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
    • A01G7/00—Botany in general
    • A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • 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—Protecting plants
    • A01G13/10—Devices for affording protection against animals, birds or other pests
    • A01G13/105—Protective devices against slugs, snails, crawling insects or other climbing animals

Definitions

  • the present invention relates to a waxing machine and a method for applying wax to the trunk of a plant, particularly a forest plant prior to planting out.
  • plants After planting out, plants are particularly vulnerable to gnawing from insects.
  • the object of the present invention has been to provide an improved, more time-efficient device for applying wax to a plant trunk, particularly the neck of the root, on plants while at the same time the wax is applied evenly and in sufficient thickness to achieve the desired protection against insect attack.
  • the wax is applied to a limited area around the lower part of the trunk of forest plants which are ready for planting out. During the waxing care should be taken to avoid wax being applied to the root and the branches, particularly the spruce and pine needles, since this may retard the growth of the plant or damage it in some other way.
  • This is achieved with a waxing machine as defined in the independent claim 1 , a method as defined in the independent claim 1 1 and a use of the waxing machine as defined in claim 12. Further embodiments of the invention are defined in the dependent claims.
  • the present invention comprises a waxing machine for applying wax to the lower part of the trunk of a plant, which waxing machine comprises a conveyer belt for transport of the plant and at least one wax vat, which wax vat is filled with liquid wax when the waxing machine is in use, where the at least one wax vat is arranged for continuous movement in a closed path S, which at least one wax vat, over a waxing distance, is arranged near the conveyer belt, and that the conveyer belt's movement and the at least one wax vat's movement are synchronised so that the trunk of a plant on the conveyer belt is passed over or lowered into the at least one wax vat and coated with wax as the plant on the conveyer belt and the at least one wax vat travel over the waxing distance.
  • the length of the at least one wax vat corresponds to the length of the trunk to which wax is applied. It is not desirable for wax to be applied to areas below, particularly the root of the plant, or above this area of the trunk, and the length of the wax vat helps to ensure that wax is only applied to the desired area.
  • the waxing machine comprises a plurality of wax vats travelling in the same path.
  • the wax vats may be provided in a Ferris wheel arrangement in a known per se manner, and in such a way that the wax vats are at all times in an upright position.
  • the waxing machine comprises a plurality of wax vats distributed in the conveyer belt's longitudinal direction.
  • a plurality of Ferris wheel arrangements are distributed in the conveyer belt's longitudinal direction.
  • the at least one wax vat is arranged on an eccentric device which gives the at least one wax vat an approximately circular motion. This is also the case when the wax vats are provided in a Ferris wheel arrangement.
  • the at least one wax vat is in fluid connection with a reservoir of melted wax for supply of liquid wax to the at least one wax vat.
  • the liquid wax can be supplied to the wax vat from the reservoir through, for example, a hose or a pipe.
  • the wax maintains a temperature which keeps it liquid during the application and where the wax cools until it sets after application.
  • the temperatures at which the wax is liquid and sets depend on the composition of the wax.
  • a plant lying on the conveyer belt is captured in a wax vat in upward motion in the path and drops into the recesses.
  • the plant follows the wax vat over the waxing distance and in the course of this distance it is coated with wax.
  • the wax vat has passed the waxing distance and enters the downward part of the path, the plant is lifted out of the wax vat and continues on the conveyer belt in the conveyer belt's direction.
  • the at least one wax vat comprises a collecting vat which is arranged round the circumference of a filling vat for collecting wax which runs out of the filling vat.
  • the collected wax may be drained out periodically or continuously.
  • the emptying of the wax from the collecting vat may be accomplished by the collecting vat being in fluid connection with a collecting tank.
  • a collecting tank may either be a separate tank or the reservoir which supplies wax to the filling vat may receive the excess wax from the collecting vat.
  • the invention furthermore provides a waxing machine comprising a pump device (not shown in the figures) which pumps liquid wax into the at least one wax vat so that the liquid wax's surface in the at least one wax vat is pushed up whereby a plant is coated with wax by being passed over the edge of the at least one wax vat.
  • the wax is pumped into the at least one wax vat with a pressure sufficient to cause the liquid wax to submerge the part of the plant located within the wax vat's defining walls.
  • the form and depth of the opposite-facing recesses may be adapted to suit the size of the trunks which have to be waxed, and are deep enough to ensure that the liquid wax which is pumped up actually submerges the trunk located in the recesses.
  • the conveyer belt on the waxing machine comprises at least two chains where the distance between the chains is at least greater than the width of the at least one wax vat.
  • An embodiment of the invention is characterised in that the plants are forest plants ready for planting out.
  • the invention furthermore comprises use of a waxing machine as indicated above for waxing the trunks of plants before the plants are planted out.
  • wax can be applied to a great number of plants in a rapid and expedient manner.
  • Figures 1-3 are schematic views illustrating the principle of how the present invention works.
  • Figures 4-6 are schematic perspective views of an embodiment of the invention.
  • the conveyer belt 12 is preferably provided with at least two chains 25 or the like for transport of the plants A, B, C and D which are illustrated in the figures.
  • the conveyer belt's direction of travel is indicated by the arrow T.
  • the plants are located across the conveyer belt's chains and the chains are arranged at a distance apart so that there is room for a wax vat 14 between the chains, i.e. the length of the wax vat 14 across the direction T is preferably less than the distance between the chains 25.
  • the wax vat 14 is arranged in such a manner that it moves in a path as indicated by the arrow S in figures 1 -3. In the embodiment illustrated in the figures this path is approximately circular due to the eccentric mechanism which is employed. It is possible, of course, to have different shapes for the path, such as a more elliptical conveyer belt-like path. It is also possible to provide more than one wax vat 14 in one and the same path, in the same way as it is of course possible to use two or more paths in succession in the conveyer belt's 12 longitudinal direction.
  • the principle of the invention is to dip the plant in wax, but since the plants are transported on the conveyer belt 12 at a relatively high speed, the wax vat 14 or the wax vats 14 have to follow the belt's movement for some distance. This distance is herein called the waxing distance and is indicated by the distance E in figures 1 -3.
  • the wax vat may be provided with opposite-facing recesses 16 in the upper edge of the at least one wax vat 14 as illustrated in the figures.
  • the synchronous movement of the conveyer belt 12 and the at least one wax vat 14 causes the trunk to drop into the recesses 16 when the vat comes up under the conveyer belt.
  • the waxing vat 14 is lowered again, while the plant proceeds on the conveyer belt 12, now in a ready- waxed condition.
  • the at least one wax vat 14 preferably comprises a filling vat 30 which is arranged in fluid communication with a reservoir of liquid wax, for example through a hose as indicated in figures 1-3 by the arrow P.
  • a pump arranges for liquid wax to be supplied to the filling vat 30.
  • FIGS 1-3 a waxing sequence of several plants is illustrated.
  • the plant A is coated with a wax layer 22 round the trunk 20, while the plants B and C are not yet waxed.
  • the plant B is in the process of being waxed and the plant A is being transported away from the waxing machine.
  • the plants C and D have not been waxed.
  • the plants A and B have been waxed and are being transported away from the wax vat 14, while the plant C is in the process of arriving at the waxing distance E where the wax vat 14 will come up, causing the plant to be dipped down into the wax vat 14.
  • the eccentric mechanism 34 is also illustrated, which causes the wax vat 14 to move in a path and permits a faster waxing of the plants transported on the conveyer belt 12.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Insects & Arthropods (AREA)
  • Botany (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Birds (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Cultivation Of Plants (AREA)

Abstract

A waxing machine and a method are described for applying wax to plants with a trunk, which waxing machine comprises a conveyer belt (12) for transport of the plants and at least one wax vat (14). The at least one wax vat is filled with liquid wax when the waxing machine is in use, and is arranged for travel in a path (S). The at least one wax vat, over a waxing distance (E), is arranged near the conveyer belt. Furthermore, the conveyer belt's movement and the at least one wax vat's movement are synchronised so that the trunk (20) of a plant on the conveyer belt is passed over or lowered into the at least one wax vat and coated with wax as the plant on the conveyer belt and the at least one wax vat travel over the waxing distance.

Description

WAXING MACHINE AND METHOD FOR APPLYING WAX ON A PLANT
The present invention relates to a waxing machine and a method for applying wax to the trunk of a plant, particularly a forest plant prior to planting out.
After planting out, plants are particularly vulnerable to gnawing from insects.
Newly planted spruce and pine, for example, are exposed to attack from weevils. It is vital for the plants to be protected against such attacks in order to avoid a heavy loss of plants. In most cases beetle attacks during the period after planting will cause the plant to die from the damage it has sustained.
Formerly, pesticides were employed which were applied to the plants before as well as after planting out. In recent times the use of chemical pesticides of this kind has been prohibited in several areas. There is therefore a need for alternative protection which at the same time is suitable for use on a great number of plants.
It has previously been proposed that wax should be applied to the lower part of the trunk, the neck of the root, of the plants that have to be planted out. In Norwegian patent NO303041 Bl a machine is described for applying wax to plants. The machine comprises a vessel containing the wax, the wax vat. The machine and the machine's wax vat are stationary and the plant to which wax is to be applied is pushed down into the wax vat past branch deflectors in such a manner that the trunk of the plant which has to be waxed is dipped in the liquid wax. It is not apparent from the patent publication how the plant is pressed down past the branch deflectors and down into the wax vat, but it is quite clear that the wax vat is stationary during the process. The application of wax to each individual plant according to NO303041 B 1 therefore appears to be relatively cumbersome and time-consuming, and in practice is not suitable in cases where wax has to be applied to a large number of plants.
Thus the object of the present invention has been to provide an improved, more time-efficient device for applying wax to a plant trunk, particularly the neck of the root, on plants while at the same time the wax is applied evenly and in sufficient thickness to achieve the desired protection against insect attack. The wax is applied to a limited area around the lower part of the trunk of forest plants which are ready for planting out. During the waxing care should be taken to avoid wax being applied to the root and the branches, particularly the spruce and pine needles, since this may retard the growth of the plant or damage it in some other way. This is achieved with a waxing machine as defined in the independent claim 1 , a method as defined in the independent claim 1 1 and a use of the waxing machine as defined in claim 12. Further embodiments of the invention are defined in the dependent claims.
The invention and special embodiments thereof are described below with reference to the attached figures. The present invention comprises a waxing machine for applying wax to the lower part of the trunk of a plant, which waxing machine comprises a conveyer belt for transport of the plant and at least one wax vat, which wax vat is filled with liquid wax when the waxing machine is in use, where the at least one wax vat is arranged for continuous movement in a closed path S, which at least one wax vat, over a waxing distance, is arranged near the conveyer belt, and that the conveyer belt's movement and the at least one wax vat's movement are synchronised so that the trunk of a plant on the conveyer belt is passed over or lowered into the at least one wax vat and coated with wax as the plant on the conveyer belt and the at least one wax vat travel over the waxing distance. The length of the at least one wax vat corresponds to the length of the trunk to which wax is applied. It is not desirable for wax to be applied to areas below, particularly the root of the plant, or above this area of the trunk, and the length of the wax vat helps to ensure that wax is only applied to the desired area.
In an embodiment of the invention the waxing machine comprises a plurality of wax vats travelling in the same path. The wax vats may be provided in a Ferris wheel arrangement in a known per se manner, and in such a way that the wax vats are at all times in an upright position.
In an embodiment of the invention the waxing machine comprises a plurality of wax vats distributed in the conveyer belt's longitudinal direction. In an aspect of the invention a plurality of Ferris wheel arrangements are distributed in the conveyer belt's longitudinal direction. When the trunks to which wax is to be applied are moved in the conveyer belt's longitudinal direction where several wax vats are distributed, each trunk may be able to be coated with several layers of wax in order to achieve a desired thickness of the total wax layer on the trunk by wax being applied to each trunk in more than one wax vat along the conveyer belt. By placing a plurality of wax vats distributed in the conveyer belt's longitudinal direction, it is possible to increase the speed of the conveyer belt so that, for example, every other trunk which has to be waxed is captured by its upwardly moving neighbouring wax vat. The number of trunks waxed per time unit may thereby be considerably increased.
In a further embodiment of the invention the at least one wax vat is arranged on an eccentric device which gives the at least one wax vat an approximately circular motion. This is also the case when the wax vats are provided in a Ferris wheel arrangement.
In another embodiment of the invention the at least one wax vat is in fluid connection with a reservoir of melted wax for supply of liquid wax to the at least one wax vat. The liquid wax can be supplied to the wax vat from the reservoir through, for example, a hose or a pipe. The wax maintains a temperature which keeps it liquid during the application and where the wax cools until it sets after application. The temperatures at which the wax is liquid and sets depend on the composition of the wax. By means of the invention a waxing machine is provided where the at least one wax vat is provided with two opposite-facing-facing recesses in the upper edge for receiving the trunk of a plant as the at least one wax vat and the plant on the conveyer belt are moving over the waxing distance. A plant lying on the conveyer belt is captured in a wax vat in upward motion in the path and drops into the recesses. The plant follows the wax vat over the waxing distance and in the course of this distance it is coated with wax. When the wax vat has passed the waxing distance and enters the downward part of the path, the plant is lifted out of the wax vat and continues on the conveyer belt in the conveyer belt's direction.
In an embodiment of the invention the at least one wax vat comprises a collecting vat which is arranged round the circumference of a filling vat for collecting wax which runs out of the filling vat. The collected wax may be drained out periodically or continuously. The emptying of the wax from the collecting vat may be accomplished by the collecting vat being in fluid connection with a collecting tank. Such a collecting tank may either be a separate tank or the reservoir which supplies wax to the filling vat may receive the excess wax from the collecting vat.
The invention furthermore provides a waxing machine comprising a pump device (not shown in the figures) which pumps liquid wax into the at least one wax vat so that the liquid wax's surface in the at least one wax vat is pushed up whereby a plant is coated with wax by being passed over the edge of the at least one wax vat. The wax is pumped into the at least one wax vat with a pressure sufficient to cause the liquid wax to submerge the part of the plant located within the wax vat's defining walls. The form and depth of the opposite-facing recesses may be adapted to suit the size of the trunks which have to be waxed, and are deep enough to ensure that the liquid wax which is pumped up actually submerges the trunk located in the recesses.
In an embodiment of the invention the conveyer belt on the waxing machine comprises at least two chains where the distance between the chains is at least greater than the width of the at least one wax vat. An embodiment of the invention is characterised in that the plants are forest plants ready for planting out.
A method is also provided for applying wax to the lower part of the trunk of plants with a trunk where the trunks of the plants are lowered into liquid wax in one of one or more wax vats, which wax vat or which wax vats are moving in a path where the at least one wax vat, over a waxing distance, is arranged near the conveyer belt and in such a manner that the wax vat follows the conveyer belt's travel through a waxing distance, and that the conveyer belt's travel and the wax vat's travel are synchronised so that the trunk of a plant on the conveyer belt is passed over or lowered into the wax vat and coated with wax as the conveyer belt and the wax vat are travelling over the waxing distance.
The invention furthermore comprises use of a waxing machine as indicated above for waxing the trunks of plants before the plants are planted out.
With the above-mentioned invention wax can be applied to a great number of plants in a rapid and expedient manner.
Figures 1-3 are schematic views illustrating the principle of how the present invention works.
Figures 4-6 are schematic perspective views of an embodiment of the invention.
In figures 1-3 the principle of how the present invention works is illustrated. The conveyer belt 12 is preferably provided with at least two chains 25 or the like for transport of the plants A, B, C and D which are illustrated in the figures. The conveyer belt's direction of travel is indicated by the arrow T. The plants are located across the conveyer belt's chains and the chains are arranged at a distance apart so that there is room for a wax vat 14 between the chains, i.e. the length of the wax vat 14 across the direction T is preferably less than the distance between the chains 25.
The wax vat 14 is arranged in such a manner that it moves in a path as indicated by the arrow S in figures 1 -3. In the embodiment illustrated in the figures this path is approximately circular due to the eccentric mechanism which is employed. It is possible, of course, to have different shapes for the path, such as a more elliptical conveyer belt-like path. It is also possible to provide more than one wax vat 14 in one and the same path, in the same way as it is of course possible to use two or more paths in succession in the conveyer belt's 12 longitudinal direction.
The principle of the invention is to dip the plant in wax, but since the plants are transported on the conveyer belt 12 at a relatively high speed, the wax vat 14 or the wax vats 14 have to follow the belt's movement for some distance. This distance is herein called the waxing distance and is indicated by the distance E in figures 1 -3. As a solution for this, we have therefore chosen to have the at least one wax vat 14 rotating synchronously with the conveyer belt 12. The vat comes up between the conveyer belt's 12 chains 25 (see figures 4-6) and under the plant which is lying across the conveyer belt 12, ensuring that the wax envelops the trunk 20. In order to further ensure that the plant's trunk is properly dipped down into the wax vat 14, the wax vat may be provided with opposite-facing recesses 16 in the upper edge of the at least one wax vat 14 as illustrated in the figures. The synchronous movement of the conveyer belt 12 and the at least one wax vat 14 causes the trunk to drop into the recesses 16 when the vat comes up under the conveyer belt. At the end of the waxing distance E the waxing vat 14 is lowered again, while the plant proceeds on the conveyer belt 12, now in a ready- waxed condition.
The at least one wax vat 14 preferably comprises a filling vat 30 which is arranged in fluid communication with a reservoir of liquid wax, for example through a hose as indicated in figures 1-3 by the arrow P. A pump arranges for liquid wax to be supplied to the filling vat 30. Round the filling vat 30 there is preferably provided a collecting vat 31 for collecting wax which runs over the edges of the filling vat 30 and/or out of the recesses 16.
In figures 1-3 a waxing sequence of several plants is illustrated. In figure 1 the plant A is coated with a wax layer 22 round the trunk 20, while the plants B and C are not yet waxed. In figure 2 the plant B is in the process of being waxed and the plant A is being transported away from the waxing machine. The plants C and D have not been waxed. In figure 3 the plants A and B have been waxed and are being transported away from the wax vat 14, while the plant C is in the process of arriving at the waxing distance E where the wax vat 14 will come up, causing the plant to be dipped down into the wax vat 14. In figures 5 and 6 the eccentric mechanism 34 is also illustrated, which causes the wax vat 14 to move in a path and permits a faster waxing of the plants transported on the conveyer belt 12.

Claims

A waxing machine for applying wax to plants with a trunk, which waxing machine comprises a conveyer belt (12) for transport of the plants and at least one wax vat (14), which wax vat (14) is filled with liquid wax when the waxing machine is in use,
characterised in that the at least one wax vat (14) is arranged for travel in a path (S), which at least one wax vat (14), over a waxing distance (E), is arranged near the conveyer belt (12), and that the conveyer belt's movement and the at least one wax vat's movement are synchronised so that the trunk (20) of a plant on the conveyer belt (12) is passed over or lowered into the at least one wax vat (14) and coated with wax as the plant on the conveyer belt (12) and the at least one wax vat (14) travel over the waxing distance (E).
The waxing machine according to claim 1 ,
characterised in that the waxing machine comprises a plurality of wax vats (14) travelling in the same path (S).
The waxing machine according to claim 1 ,
characterised in that the waxing machine comprises a plurality of wax vats (14) distributed in the conveyer belt's (12) longitudinal direction.
The waxing machine according to claim 1 ,
characterised in that the at least one wax vat (14) is arranged on an eccentric device (34) which gives the at least one wax vat (14) an approximately circular motion.
The waxing machine according to claim 1 ,
characterised in that the at least one wax vat (14) is in fluid connection with a reservoir of melted wax for supply of liquid wax to the at least one wax vat (14).
The waxing machine according to claim 1 ,
characterised in that the at least one wax vat (14) is provided with two opposite-facing recesses (16) in the upper edge for receiving the trunk (20) of a plant as the at least one wax vat (14) and the plant on the conveyer belt (12) travel over the waxing distance (E).
The waxing machine according to claim 1 ,
characterised in that the at least one wax vat (14) comprises a collecting vat (31) which is arranged round the circumference of a filling vat (30) for collecting wax which runs out of the filling vat (30).
8. The waxing machine according to claim 1 ,
characterised in that the waxing machine comprises a pump device which pumps liquid wax into the at least one wax vat (14) so that the liquid wax's surface in the at least one wax vat is pushed up whereby a plant is coated with wax by being moved over the edge of at least one wax vat (14).
9. The waxing machine according to claim 1 ,
characterised in that the conveyer belt (12) comprises at least two chains (25) where the distance between the chains (25) is at least greater than the width of the at least one wax vat (14).
10. The waxing machine according to claim 1 ,
characterised in that the plants are forest plants ready for planting out.
1 1. A method for waxing plants with a trunk (20) where the trunks of the plants are lowered into liquid wax in one of one or more wax vats (14), which wax vat or wax vats travel in a path (S),
characterised in that the at least one wax vat (14), over a waxing distance (E), is arranged near the conveyer belt (12) and in such a manner that the wax vat (14) follows the conveyer belt's movement through a waxing distance (E), and that the conveyer belt's movement and the wax vat's movement are synchronised so that the trunk (20) of a plant on the conveyer belt (12) is passed over or lowered into the wax vat (14) and coated with wax as the plant on the conveyer belt (12) and the wax vat (14) travel over the waxing distance (E).
12. Use of a waxing machine according to one of the claims 1 -10 for waxing the trunks of plants before the plants are planted out.
PCT/IB2012/054426 2011-08-31 2012-08-29 Waxing machine and method for applying wax on a plant WO2013030771A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NO20111190 2011-08-31
NO20111190 2011-08-31
NO20111669A NO20111669A1 (en) 2011-08-31 2011-12-05 Vokspaforingsmaskin
NO20111669 2011-12-05

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Publication Number Publication Date
WO2013030771A1 true WO2013030771A1 (en) 2013-03-07

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WO (1) WO2013030771A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2868194A1 (en) * 2013-10-31 2015-05-06 Assi Plantskydd AB System and method for coating plant seedlings
WO2015117993A1 (en) 2014-02-10 2015-08-13 Södra Skogsägarnas Ekonomiska Förening An apparatus and a method for application of a liquid medium to seedlings
WO2015152711A1 (en) * 2014-04-01 2015-10-08 Visser 's-Gravendeel Holding B.V. Device and method for protection of crops, such as trees
ITUB20150716A1 (en) * 2015-05-21 2016-11-21 Electrozeta S N C Di Zannier Guerrino & C METHOD AND MACHINE FOR THE PROTECTIVE COATING OF PLANTS
US20180132426A1 (en) * 2016-11-11 2018-05-17 Hijdra Retail Servises B.V. Waxed flower bulb, method and device for waxing a flower bulb
WO2019130363A1 (en) * 2017-12-28 2019-07-04 Vivai Nicola Di Nicola Marco Process for treating explanted plants for a following implant

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995032620A1 (en) * 1994-05-30 1995-12-07 Norsk Hydro A.S Method for coating plant seedlings and system for performing the method
NO303041B1 (en) 1996-09-23 1998-05-25 Norsk Hydro As Method and apparatus for automatic application of wax to part of plant stem

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995032620A1 (en) * 1994-05-30 1995-12-07 Norsk Hydro A.S Method for coating plant seedlings and system for performing the method
NO303041B1 (en) 1996-09-23 1998-05-25 Norsk Hydro As Method and apparatus for automatic application of wax to part of plant stem
DE19741956C2 (en) * 1996-09-23 2001-10-11 Norsk Hydro As Method and device for automatically applying wax to part of the stem of plants

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2868194A1 (en) * 2013-10-31 2015-05-06 Assi Plantskydd AB System and method for coating plant seedlings
WO2015117993A1 (en) 2014-02-10 2015-08-13 Södra Skogsägarnas Ekonomiska Förening An apparatus and a method for application of a liquid medium to seedlings
WO2015152711A1 (en) * 2014-04-01 2015-10-08 Visser 's-Gravendeel Holding B.V. Device and method for protection of crops, such as trees
NL2012537A (en) * 2014-04-01 2016-01-12 Visser 's-Gravendeel Holding B V An apparatus and method for protecting crops against influences, such as trees.
ITUB20150716A1 (en) * 2015-05-21 2016-11-21 Electrozeta S N C Di Zannier Guerrino & C METHOD AND MACHINE FOR THE PROTECTIVE COATING OF PLANTS
US20180132426A1 (en) * 2016-11-11 2018-05-17 Hijdra Retail Servises B.V. Waxed flower bulb, method and device for waxing a flower bulb
WO2019130363A1 (en) * 2017-12-28 2019-07-04 Vivai Nicola Di Nicola Marco Process for treating explanted plants for a following implant

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