EP2608655A1 - Device for processing leaders of conifers, growth inhibitor device, and bird perch device - Google Patents

Device for processing leaders of conifers, growth inhibitor device, and bird perch device

Info

Publication number
EP2608655A1
EP2608655A1 EP11751799.5A EP11751799A EP2608655A1 EP 2608655 A1 EP2608655 A1 EP 2608655A1 EP 11751799 A EP11751799 A EP 11751799A EP 2608655 A1 EP2608655 A1 EP 2608655A1
Authority
EP
European Patent Office
Prior art keywords
stake
slit
bole
long sides
conifers
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.)
Withdrawn
Application number
EP11751799.5A
Other languages
German (de)
French (fr)
Inventor
Svend Erik THØSTESEN
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2608655A1 publication Critical patent/EP2608655A1/en
Withdrawn legal-status Critical Current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
    • A01G13/00—Protection of plants
    • A01G13/10—Devices for affording protection against animals, birds or other pests
    • 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
    • A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005—Cultivation methods
    • 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
    • A01K31/00—Housing birds
    • A01K31/12—Perches for poultry or birds, e.g. roosts
    • 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
    • Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming

Definitions

  • the present invention relates to a device for processing the leaders of conifers, in particular a growth inhibitor device which may comprise a stake and a birds perch device.
  • Arrangements for protection against such are disclosed in e.g. DK 172287 B.
  • a stick is mounted adjacent to the top shoot and the upper part of the stick propagates passing the shoot to a point higher in vertical direction than the top shoot.
  • the arrangement may comprise a flag part attached to the most vertical point of the said stick so as to scare the birds from approaching the tree.
  • Another similar protection arrangement is disclosed in DK 169052 B.
  • This arrangement comprises besides an alternative mounting means also an upper part which propagates in horizontal direction when mounted and which take action as rest seat for the birds, however in a secure distance to the leaders of the tree.
  • prune the conifers manually by lopping shears it is well known in the art to prune the conifers manually by lopping shears. However the manual pruning is time consuming and requires specific knowledge and skills in order not to damage the conifer.
  • the present invention relates to a device for inhibiting growth of a leader comprising a substantially planar plate having a thickness and two long sides connected by two short sides where the long sides have approximately twice the length of a short side, wherein one of the short sides comprises a slit wherein at least a part the slit is formed as a
  • substantially U-shaped cutting edge adapted for engagement with a bole.
  • the specific dimensions of the plate may vary according to the desired use. However, the thickness may be in the range of 0,5 to 2,5 cm, the shortest side may have a length in the range 5 to 10 cm and the longest side may have a length in the range 10 to 20 cm.
  • substantially planar plate used in this context means that plate do not need being exactly planar, but may comprise deviation from a planar surface, such as a slight bending or depressions and similar patterns in the surface, e.g. the shape of the cutting edge.
  • substantially U-shaped is used to indicate that the slit may not be exactly U-shaped.
  • approximately indicates that a deviation up to 15% may occur. Consequently, the device comprises a plate that in an embodiment may have a rectangular shape and in one of the short sides comprises a slit with a cutting edge.
  • the U-shaped cutting edge is adapted to cut in the bark of the conifer. By this cutting the transport of sap in the bark is interrupted in cut part of the bark which will inhibit the growth of the part of conifer above the cut, e.g. a leader.
  • the U-shaped cutting edge is adapted for engaging with the bole and bark, an partly surround the bole and the cutting edge may surround the bole in the range between 25- 90% of the circumference of the bole at the point of engagement and dependent on the level of inhibition of the growth of the top shoot desired. Preferred is a range of 50-80% of the circumference and for a preferred embodiment approximately 75% of the circumference is engaged.
  • the plate When the substantially U-shaped slit is formed the plate it may appear that the plate comprises two extending arms with one arm on each side of the slit. These arms that carries a part of the cutting edge intended to cut the bark, and they should preferably be able to show a certain flexibility in order to be able to engage with a bole.
  • the device comprises an embodiment wherein each of the long sides of the plate comprises an indentation.
  • the indentations may U-shaped, V-shaped or have another shape that may serve to improve the flexibility of the arms.
  • the indentations are substantially in the middle of the long sides and the slit has a depth corresponding substantially to the length of a short side. This provides for a device with high flexibility in respect of adapting the cutting edge to a bole.
  • the device For the purpose of facilitating the mounting of device on a bole the device comprise an embodiment where the opening of the slit comprises a substantially V-shaped cutting edge.
  • the V-shape makes it easier to push the plate and cutting edge on a bole to engagement.
  • the V-shape continues into the U-shape and functions like an entrance to the U-shaped slit.
  • the device according to the invention may include an embodiment where the device further comprises a stake.
  • the stake is mounted in the plate in way so it will run substantially parallel with the bole and leader on which the device is mounted.
  • the stake protects the leader of the conifer against being destroyed by bird.
  • the plate comprises a hole for receiving the stake and preferably the stake is slidable in the hole in the plate.
  • the stake comprises a clip adapted for attachment to a leader or a bole.
  • the clip may have an U-shape to engage with the bole or leader and the stake may be slidable in the clip.
  • the invention also provides an embodiment wherein the stake further comprises a bird perch.
  • the device according to the invention may be made from any desired material like metal or plastic, it is preferred that the device is made from a plastic material, preferably injection moulded plastic. Injection moulded plastic is easy to manufacture and can be provided at low cost.
  • the present invention provides a device for inhibiting the growth of a leader on a conifer which is simple and uncomplicated and at the same time environment-friendly.
  • Figure 1 illustrates schematically a first embodiment of the invention as seen in a
  • figure 2 illustrates schematically the first embodiment of the invention as seen in a
  • figure 3 illustrates schematically the first embodiment of the invention as seen in a
  • figure 4 illustrates schematically one embodiment of a fastening element of the
  • figure 5 illustrates schematically one embodiment of a growth inhibitor device of
  • figure 6 illustrates schematically one embodiment of a growth inhibitor device of the
  • figure 7 illustrates schematically one embodiment of a birds perch device of the
  • figure 8 illustrates schematically one embodiment of a birds perch device of the
  • Figure 1 illustrates schematically a first embodiment of the invention as seen in a first perspective.
  • the fastening element 2 as well as the growth inhibitor device 3 are rigidly connected to the stake 1.
  • the substantially U-shaped fastening element 2 is clipped around a top portion of the bole of the tree whereby the upper part of the stake 1 is acting as a prolongation of the bole above the top shoot.
  • the growth inhibiting device 3 is attached to the bole of the tree. This is done by engaging the bole between the cutting edges of the U- shaped slit or opening of the device 3.
  • the growth inhibitor device 3 is limiting the flow of sap to the leader whereby the growth is inhibited.
  • the device 3 leaves some flow of sap open so that the leader does not wither.
  • the inhibition of the top shoot grow is essential in growing e.g. Christmas trees as approximately 25-30 percent of all young plantation is growing with too long leaders compared to optimal length of the leaders.
  • Figure 2 illustrates schematically the first embodiment of the invention as seen in a first side view.
  • a stake 1 with a fastening element 2 and a growth inhibitor device 3 attached to it is illustrated.
  • the fastening element 2 as well as the growth inhibitor device 3 are rigidly connected to the stake 1.
  • Figure 3 illustrates schematically the first embodiment of the invention as seen in a second side view.
  • Figure 4 illustrates schematically one embodiment of a fastening element 2 of the invention as seen from above.
  • the fastening element 2 comprises two clip-arms 4, each of them of having an S-form and being attached to a junction 5 whereto also the stake 1 is attached.
  • the clip-arms 4 must be flexible as they must be able to adapt to and fasten to various diameters of boles. Diameters to which they must adapt may e.g .be in the range of 3-15 millimeters such as 4-8 millimeters.
  • the material of the device must preferably be able to be reused i.e. must be able to withstand environmental influences such as rain, snow, UV-light, varying temperatures and/or frost.
  • the fastening element 2 as well as the stake 1 and the growth inhibitor device 3 may be made of e.g. injection moulded plastics.
  • Figure 5 illustrates schematically one embodiment of a growth inhibitor device 3 of the invention as seen from above.
  • the inhibitor device 3 comprises two arms 6 around the U-shaped slit 7 which is prepared for being engaged with a bole of a conifer so that the cutting edge or the U-shaped slit 7 cuts through a portion of an outer layer of the bark of the bole. This is to block/cut the sap channels laying in the bark so that they are hindered in transporting sap to the more distal part of the tree.
  • the portion of the U-shaped slit 7 which is engaging with the bole and bark is in the range between 25-90% of the circumference of the bole at the point of engagement dependent on the level of inhibition of the growth of the top shoot desired.
  • Preferred is a range of 50-80% of the circumference and for the preferred embodiment illustrated is approximately 75% of the circumference engaged.
  • FIG. 5 Also schematically illustrated on figure 5 are two cutting edges 13 which are substantially V- shaped and operationally connected to the arch opening of the U-shaped slit 7 at their ends.
  • This V-shaped cutting edges 13 have the function of facilitating the installation of the inhibitor device 3 as the wider opening / distance between the cutting edges 13 at the distal of the inhibitor device compared to the distance at the connection to U-shaped slit 7, will guide the bole in place in the slit 7.
  • the device 3 further comprise a protruding cutting edges 14 located at the connection between the V-shaped opening 13 and the U-shaped slit 7.
  • the protruding cutting edges 14 are part of the cutting edges of the V-shaped opening and the U-shaped slit 7.
  • the protruding cutting edges 14 provides for a good initial cut in the bark when the device 3 is mounted on a bole.
  • the device 3 comprises two indentations 15 in the long sides of the device. These indentations 15 ensures that the arms 6 and thereby the cutting edges of the slit 7 are flexible and can adapt to varying diameter of the bole. This is to ensure adaption to varying diameter at installation but also to adapt to varying diameter over time as the thickness of the bole increases as the tree grows.
  • the indentations 15 are U-shaped, but they may have various other shapes, such as being V-shaped.
  • the device 3 is normally only mounted on the conifer in the growth season.
  • the inhibitor device 3 may be produced in various lots with different width of the slit opening such as 4, 6 and/or 8 millimeters.
  • Figure 6 illustrates schematically one embodiment of a growth inhibitor device 3 of the invention as seen in a perspective view.
  • the inhibitor device 3 comprises a through hole 8 through which the stake 1 can be received.
  • the inhibitor device 3 is held in place in relation to the stake 1 in at least one direction.
  • the inhibitor device is able to slide and be positioned along the stake 1 as indicated by arrows on the figure.
  • Figure 7 illustrates schematically one embodiment of a birds perch device of the invention suitable for being mounted on the invented device as seen in perspective.
  • the invented birds perch device 9 is to be mounted on the distal end of the stake 1 in order to obtain an alternative rest position for birds and in a secure distance to the leader of the conifer.
  • the perch device 9 comprises a first portion 11 which is prepared for establishing and securing the perch device to a distal end of the stake.
  • the first portion 11 may comprise an opening 12 so that the distal end of the stake 1 can be plugged and secured into the device 9.
  • the perch device 9 comprises a second portion 10 which is fixed to the first portion 11 of the perch device 9 and which is oriented substantially perpendicular to the first portion 11.
  • the second portion 10 will be oriented substantially horizontally when installed on a conifer which makes it a suitable sitting place for birds.
  • Figure 8 illustrates schematically one embodiment of a birds perch device of the invention in a side view. It is possible to mount the stake 1 and the bird perch 9 on a conifer without the device 3. The stake 1 is the mounted by use of the fastening element or clip 2.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Birds (AREA)
  • Zoology (AREA)
  • Botany (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Catching Or Destruction (AREA)

Abstract

The present invention relates to a device for inhibiting growth of a leader comprising a substantially planar plate ( 3) having a thickness and two long sides connected by two short sides where the long sides have approximately twice the length of a short side, wherein one of the short sides comprises a slit (7) wherein at least a part of the slit is formed as a substantially U- shaped cutting edge (14) adapted for engagement with a bole.

Description

Device for processing leaders of conifers, growth inhibitor device, and birds perch device Field of invention The present invention relates to a device for processing the leaders of conifers, in particular a growth inhibitor device which may comprise a stake and a birds perch device.
Background of the invention By cultivation of trees such as conifers which may be used e.g. as Christmas trees it is well known that there is a need for protection of leaders against being teared off by birds sitting on the top.
Arrangements for protection against such are disclosed in e.g. DK 172287 B. Here a stick is mounted adjacent to the top shoot and the upper part of the stick propagates passing the shoot to a point higher in vertical direction than the top shoot. Furthermore the arrangement may comprise a flag part attached to the most vertical point of the said stick so as to scare the birds from approaching the tree. Another similar protection arrangement is disclosed in DK 169052 B. This arrangement comprises besides an alternative mounting means also an upper part which propagates in horizontal direction when mounted and which take action as rest seat for the birds, however in a secure distance to the leaders of the tree. Furthermore in order to grow a conifer with aesthetic proportions it is well known in the art to prune the conifers manually by lopping shears. However the manual pruning is time consuming and requires specific knowledge and skills in order not to damage the conifer.
Even further it is also well known to apply various chemicals to inhibit the growth of the conifer for the purpose of growing a tree with the right proportions of e.g. a Christmas tree. Disadvantages by the use of chemicals are that it requires authorization and specialized equipment and even may damage the environment.
Summary of the invention
In is an object of the present invention to provide an improved arrangement for inhibiting the growth of conifers without the disadvantages of prior art It is a further object to provide an improved mounting arrangement and device for protection against the impact of birds on leaders of conifers.
Consequently, the present invention relates to a device for inhibiting growth of a leader comprising a substantially planar plate having a thickness and two long sides connected by two short sides where the long sides have approximately twice the length of a short side, wherein one of the short sides comprises a slit wherein at least a part the slit is formed as a
substantially U-shaped cutting edge adapted for engagement with a bole. The specific dimensions of the plate may vary according to the desired use. However, the thickness may be in the range of 0,5 to 2,5 cm, the shortest side may have a length in the range 5 to 10 cm and the longest side may have a length in the range 10 to 20 cm.
The term "substantially planar plate" used in this context means that plate do not need being exactly planar, but may comprise deviation from a planar surface, such as a slight bending or depressions and similar patterns in the surface, e.g. the shape of the cutting edge. In the same manner the term "substantially U-shaped" is used to indicate that the slit may not be exactly U-shaped. The term "approximately" indicates that a deviation up to 15% may occur. Consequently, the device comprises a plate that in an embodiment may have a rectangular shape and in one of the short sides comprises a slit with a cutting edge. The U-shaped cutting edge is adapted to cut in the bark of the conifer. By this cutting the transport of sap in the bark is interrupted in cut part of the bark which will inhibit the growth of the part of conifer above the cut, e.g. a leader.
More precisely the U-shaped cutting edge is adapted for engaging with the bole and bark, an partly surround the bole and the cutting edge may surround the bole in the range between 25- 90% of the circumference of the bole at the point of engagement and dependent on the level of inhibition of the growth of the top shoot desired. Preferred is a range of 50-80% of the circumference and for a preferred embodiment approximately 75% of the circumference is engaged.
When the substantially U-shaped slit is formed the plate it may appear that the plate comprises two extending arms with one arm on each side of the slit. These arms that carries a part of the cutting edge intended to cut the bark, and they should preferably be able to show a certain flexibility in order to be able to engage with a bole. For the purpose of improving the flexibility the device comprises an embodiment wherein each of the long sides of the plate comprises an indentation. The indentations may U-shaped, V-shaped or have another shape that may serve to improve the flexibility of the arms.
In a preferred embodiment the indentations are substantially in the middle of the long sides and the slit has a depth corresponding substantially to the length of a short side. This provides for a device with high flexibility in respect of adapting the cutting edge to a bole.
For the purpose of facilitating the mounting of device on a bole the device comprise an embodiment where the opening of the slit comprises a substantially V-shaped cutting edge. The V-shape makes it easier to push the plate and cutting edge on a bole to engagement. The V-shape continues into the U-shape and functions like an entrance to the U-shaped slit.
The device according to the invention may include an embodiment where the device further comprises a stake. The stake is mounted in the plate in way so it will run substantially parallel with the bole and leader on which the device is mounted. The stake protects the leader of the conifer against being destroyed by bird.
In an embodiment the plate comprises a hole for receiving the stake and preferably the stake is slidable in the hole in the plate.
In a preferred embodiment of the device according to the invention the stake comprises a clip adapted for attachment to a leader or a bole. The clip may have an U-shape to engage with the bole or leader and the stake may be slidable in the clip. To provide resting places for birds, the invention also provides an embodiment wherein the stake further comprises a bird perch.
Although, the device according to the invention may be made from any desired material like metal or plastic, it is preferred that the device is made from a plastic material, preferably injection moulded plastic. Injection moulded plastic is easy to manufacture and can be provided at low cost.
Thus, the present invention provides a device for inhibiting the growth of a leader on a conifer which is simple and uncomplicated and at the same time environment-friendly.
The invention will now be described in further details with reference to drawings. Brief Description of the Drawings
Figure 1 illustrates schematically a first embodiment of the invention as seen in a
first perspective, figure 2 illustrates schematically the first embodiment of the invention as seen in a
first side view, figure 3 illustrates schematically the first embodiment of the invention as seen in a
second side view, figure 4 illustrates schematically one embodiment of a fastening element of the
invention as seen from above, figure 5 illustrates schematically one embodiment of a growth inhibitor device of
the invention as seen from above, figure 6 illustrates schematically one embodiment of a growth inhibitor device of the
invention as seen in a perspective view, figure 7 illustrates schematically one embodiment of a birds perch device of the
invention suitable for being mounted on the invented device as seen in perspective, and figure 8 illustrates schematically one embodiment of a birds perch device of the
invention in a side view.
Detailed Description
Figure 1 illustrates schematically a first embodiment of the invention as seen in a first perspective.
What is illustrated is a stake 1 with a fastening element 2 which is a clip and a growth inhibitor device 3 attached to it. As for the present embodiment the fastening element 2 as well as the growth inhibitor device 3 are rigidly connected to the stake 1. When established on a conifer the substantially U-shaped fastening element 2 is clipped around a top portion of the bole of the tree whereby the upper part of the stake 1 is acting as a prolongation of the bole above the top shoot. Also the growth inhibiting device 3 is attached to the bole of the tree. This is done by engaging the bole between the cutting edges of the U- shaped slit or opening of the device 3. This has the impact of firstly securing the stake 1 to the bole at a further point than the fastening element 2 and secondly the growth inhibitor device 3 is limiting the flow of sap to the leader whereby the growth is inhibited. However, the device 3 leaves some flow of sap open so that the leader does not wither. The inhibition of the top shoot grow is essential in growing e.g. Christmas trees as approximately 25-30 percent of all young plantation is growing with too long leaders compared to optimal length of the leaders.
Figure 2 illustrates schematically the first embodiment of the invention as seen in a first side view.
Also here a stake 1 with a fastening element 2 and a growth inhibitor device 3 attached to it is illustrated. As for the present embodiment the fastening element 2 as well as the growth inhibitor device 3 are rigidly connected to the stake 1.
Figure 3 illustrates schematically the first embodiment of the invention as seen in a second side view.
Figure 4 illustrates schematically one embodiment of a fastening element 2 of the invention as seen from above.
For this embodiment of the fastening element 2 comprises two clip-arms 4, each of them of having an S-form and being attached to a junction 5 whereto also the stake 1 is attached. The clip-arms 4 must be flexible as they must be able to adapt to and fasten to various diameters of boles. Diameters to which they must adapt may e.g .be in the range of 3-15 millimeters such as 4-8 millimeters.
Furthermore, the material of the device must preferably be able to be reused i.e. must be able to withstand environmental influences such as rain, snow, UV-light, varying temperatures and/or frost. The fastening element 2 as well as the stake 1 and the growth inhibitor device 3 may be made of e.g. injection moulded plastics.
Figure 5 illustrates schematically one embodiment of a growth inhibitor device 3 of the invention as seen from above.
The inhibitor device 3 comprises two arms 6 around the U-shaped slit 7 which is prepared for being engaged with a bole of a conifer so that the cutting edge or the U-shaped slit 7 cuts through a portion of an outer layer of the bark of the bole. This is to block/cut the sap channels laying in the bark so that they are hindered in transporting sap to the more distal part of the tree.
However, it is only a portion of the bark of the bole that is cut by the inhibitor device 3. Still open is an arch opening 14 from which inclined edges form a substantially V-shape, facilitating the access to the U-shaped slit 7.
For various embodiments of the invention, the portion of the U-shaped slit 7 which is engaging with the bole and bark is in the range between 25-90% of the circumference of the bole at the point of engagement dependent on the level of inhibition of the growth of the top shoot desired. Preferred is a range of 50-80% of the circumference and for the preferred embodiment illustrated is approximately 75% of the circumference engaged.
Also schematically illustrated on figure 5 are two cutting edges 13 which are substantially V- shaped and operationally connected to the arch opening of the U-shaped slit 7 at their ends.
This V-shaped cutting edges 13 have the function of facilitating the installation of the inhibitor device 3 as the wider opening / distance between the cutting edges 13 at the distal of the inhibitor device compared to the distance at the connection to U-shaped slit 7, will guide the bole in place in the slit 7.
In this embodiment the device 3 further comprise a protruding cutting edges 14 located at the connection between the V-shaped opening 13 and the U-shaped slit 7. The protruding cutting edges 14 are part of the cutting edges of the V-shaped opening and the U-shaped slit 7. The protruding cutting edges 14 provides for a good initial cut in the bark when the device 3 is mounted on a bole.
The device 3 comprises two indentations 15 in the long sides of the device. These indentations 15 ensures that the arms 6 and thereby the cutting edges of the slit 7 are flexible and can adapt to varying diameter of the bole. This is to ensure adaption to varying diameter at installation but also to adapt to varying diameter over time as the thickness of the bole increases as the tree grows. In the shown embodiment the indentations 15 are U-shaped, but they may have various other shapes, such as being V-shaped.
The device 3 is normally only mounted on the conifer in the growth season.
The inhibitor device 3 may be produced in various lots with different width of the slit opening such as 4, 6 and/or 8 millimeters.
Figure 6 illustrates schematically one embodiment of a growth inhibitor device 3 of the invention as seen in a perspective view. Here the inhibitor device 3 comprises a through hole 8 through which the stake 1 can be received. Hereby the inhibitor device 3 is held in place in relation to the stake 1 in at least one direction. Furthermore the inhibitor device is able to slide and be positioned along the stake 1 as indicated by arrows on the figure. Figure 7 illustrates schematically one embodiment of a birds perch device of the invention suitable for being mounted on the invented device as seen in perspective.
The invented birds perch device 9 is to be mounted on the distal end of the stake 1 in order to obtain an alternative rest position for birds and in a secure distance to the leader of the conifer.
The perch device 9 comprises a first portion 11 which is prepared for establishing and securing the perch device to a distal end of the stake. The first portion 11 may comprise an opening 12 so that the distal end of the stake 1 can be plugged and secured into the device 9.
Furthermore the perch device 9 comprises a second portion 10 which is fixed to the first portion 11 of the perch device 9 and which is oriented substantially perpendicular to the first portion 11. Hereby the second portion 10 will be oriented substantially horizontally when installed on a conifer which makes it a suitable sitting place for birds.
Figure 8 illustrates schematically one embodiment of a birds perch device of the invention in a side view. It is possible to mount the stake 1 and the bird perch 9 on a conifer without the device 3. The stake 1 is the mounted by use of the fastening element or clip 2. Although the present invention has been described with reference to only a few embodiments, it will easily be envisaged by a skilled person that several other embodiments and variations are possible within the scope of the claims.

Claims

Claims
1. A device for inhibiting growth of a leader comprising a substantially planar plate having a thickness and two long sides connected by two short sides where the long sides have approximately twice the length of a short side, wherein one of the short sides comprises a slit wherein at least a part the slit is formed as a substantially U-shaped cutting edge adapted for engagement with a bole.
2. A device according to claim 1, wherein each of the long sides comprise an indentation.
3. A device according to claim 2, wherein the indentations are substantially in the middle of the long sides.
4. A device according to claim 1 wherein the slit has a depth corresponding substantially to the length of a short side.
5. A device according to claim 1 wherein the opening of the slit comprises a substantially V- shaped cutting edge.
6. A device according to claim 1, wherein the device further comprise a stake.
7. A device according to claim 6, wherein the plate comprises a hole for receiving the stake.
8. A device according to claim 8, wherein the stake is slidable in the hole in the plate.
9. A device according to any of the claims 6 to 8, wherein the stake comprises a fastening element, preferably a clip adapted for attachment to a leader or a bole
10. A device according to any of the claims 6 to 9, wherein the stake further comprises a bird perch.
11. A device according to any of the preceding claims, wherein the device is made from a plastic material, preferably injection moulded plastic.
Device for processing top shoots of conifers, growth inhibitor device, and birds perch device
EP11751799.5A 2010-08-25 2011-08-10 Device for processing leaders of conifers, growth inhibitor device, and bird perch device Withdrawn EP2608655A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201000747 2010-08-25
PCT/DK2011/000091 WO2012025116A1 (en) 2010-08-25 2011-08-10 Device for processing leaders of conifers, growth inhibitor device, and bird perch device

Publications (1)

Publication Number Publication Date
EP2608655A1 true EP2608655A1 (en) 2013-07-03

Family

ID=44545394

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11751799.5A Withdrawn EP2608655A1 (en) 2010-08-25 2011-08-10 Device for processing leaders of conifers, growth inhibitor device, and bird perch device

Country Status (2)

Country Link
EP (1) EP2608655A1 (en)
WO (1) WO2012025116A1 (en)

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