WO2024107065A1 - Procédé et mécanisme d'insertion de fibres synthétiques dans le sol - Google Patents

Procédé et mécanisme d'insertion de fibres synthétiques dans le sol Download PDF

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Publication number
WO2024107065A1
WO2024107065A1 PCT/NZ2023/050124 NZ2023050124W WO2024107065A1 WO 2024107065 A1 WO2024107065 A1 WO 2024107065A1 NZ 2023050124 W NZ2023050124 W NZ 2023050124W WO 2024107065 A1 WO2024107065 A1 WO 2024107065A1
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WO
WIPO (PCT)
Prior art keywords
fibre
ground
machine
support member
pins
Prior art date
Application number
PCT/NZ2023/050124
Other languages
English (en)
Inventor
Clayton TUME
Original Assignee
Tume Clayton
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 Tume Clayton filed Critical Tume Clayton
Publication of WO2024107065A1 publication Critical patent/WO2024107065A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C15/00—Making pile fabrics or articles having similar surface features by inserting loops into a base material
    • D05C15/04—Tufting
    • D05C15/08—Tufting machines
    • D05C15/16—Arrangements or devices for manipulating threads
    • D05C15/20—Arrangements or devices, e.g. needles, for inserting loops; Driving mechanisms therefor
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C15/00—Making pile fabrics or articles having similar surface features by inserting loops into a base material
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/20—Industrial for civil engineering, e.g. geotextiles
    • D10B2505/202—Artificial grass
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
    • E01C2013/086—Combination of synthetic and natural grass

Definitions

  • the present invention relates to the insertion of synthetic fibres into the ground, typically sports fields.
  • the invention is directed particularly but not solely towards a method and mechanism for inserting of synthetic fibres into the ground, typically sports fields.
  • a person skilled in the art may envisage other suitable applications for the invention.
  • Machines for inserting synthetic fibre into the ground have been in use for more than 30 years.
  • the finished sports field is known as having a hybrid turf, being a mixture of 95% natural grass and 5% synthetic fibre.
  • NL 2028007B1 entitled Variable Grass Length Injection, WO 2016122312A1 entitled Device for Inserting Artificial Grass Strands into the Ground and WO 2017123084A1 are examples of such known machines. All these machines use a single row of insertion pins for inserting strands of synthetic fibres into the ground.
  • hybrid stitching machines comprise the same basic components, a frame, drive transport mechanism either tracks or rollers, a synthetic fibre delivery and cutting mechanism, and an insertion mechanism. There are differences across machine manufacturers on how these components are configured and constructed, with the main goal being quality, speed and reliability.
  • the known fibre insertion methods are substantially the same across all manufacturers as the known machines utilise a single row of pins spread evenly across the width of the machine in order to press or insert the fibre into the ground.
  • the bottom end of the pin has a V notch to locate the fibre and to assist the insertion of the fibre into the ground.
  • the usual depth of fibre insertion into the ground is approx. 180mm with at least 20mm of the fibre extending above the ground.
  • the pins are generally spaced 20mm apart.
  • the fibre is cut to about 400mm in length and pressed into the ground at the midpoint.
  • the injected fibre forms a loop and is held in place by friction from the surrounding soil or sand.
  • the machine cycle is first to feed fibre into position under the insertion pins.
  • the fibre can be cut to a length before or after it is positioned under the insertion pins.
  • the machine can be moved forward during this phase. Once the machine is stopped the insertion pins press the fibre into the ground to full depth. The machine then retracts the insertion pins fully out of the ground.
  • the next phase is to move the machine forward, generally 20mm then the cycle repeats.
  • a symmetrical pattern of 20mm-by-20mm fibre spacing across and behind the machine is created. This spacing is regarded as optimum but can be changed to give a less expensive option.
  • known machines of this type are slow as a full-size football field can take in excess of 300 to 400 machine operating hours to complete.
  • known machines are relatively expensive to manufacture, expensive to operate and can have expensive labour costs.
  • the invention may broadly be said to consist of a fibre injection mechanism for use with a machine for inserting synthetic fibres into the ground, the fibre injection mechanism is mounted to and situated along the width of the machine and is adapted to be raised and lowered by the machine during the insertion of fibres into the ground as the machine moves over the ground; the fibre injection mechanism includes: i. at least one support member adapted to be moveable vertically by a moving means between a raised position and a lower position relative to the machine such that the support member is able to move toward and away from the ground; ii.
  • each insertion pin has an upper end and a lower end where the upper end is attached to the support member, the two rows are configured and positioned relative to one another such that a plurality of pairs of insertion pins are formed whereby each pair of insertion pins consists of an insertion pin of one row and the adjacent insertion pin directly opposite in the other row; iii. a fibre supply means adapted to supply strands of fibre beneath the insertion pins so that at least a strand of fibre is supplied and situated beneath the lower end of each pair of adjacent insertion pins; iv.
  • a cutting means adapted to cut fibre before the fibre has been inserted into the ground; wherein when in use, the fibre injection mechanism is adapted to move through a fibre insertion cycle whereby the support member moves from the raised position to the lower position and back to the raised position once the fibre is inserted into ground, such that during the fibre insertion cycle the machine is stationary so as to allow the support member to move from the raised position to the lower position such that the insertion pins insert the cut strands of fibre situated beneath the lower ends of each pair of insertion pins into the ground and thereafter the support member is adapted to move from the lower position to the raised position to complete the fibre injection cycle whereafter the machine is caused to move forward and the insertion cycle is repeated; and each pair of insertion pins are configured to cause an inserted fibre to have a II shape where the width of the II shape is equivalent to the outside width spacing of the pair of insertion pins and upper portion of the legs of the II extend above the ground.
  • the fibre supply means supplies two strands of fibre beneath the lower end of each pair of adjacent insertion pins.
  • the injection mechanism can consist of more than one support member to form a set of support members that are situated side and adjacent each other side by side, where each support member has the plurality of spaced apart insertion pins attached thereto.
  • the spacing between each insertion pin of a row of insertion pins is 20mm.
  • the spacing between the rows is 20mm.
  • the support has 80 to 160 insertion pins.
  • the fibre insertion mechanism moves forward with the machine two times the insertion pin spacing in between fibre insertion cycles.
  • the invention may broadly be said to consist in a method for inserting synthetic fibres into the ground by a synthetic fibre insertion machine having a fibre injection mechanism as described in the first aspect, wherein the method comprises the steps of: i. moving and positioning the machine over and on the ground to which fibres are to be inserted into the ground in which the fibre injection mechanism is in a raised position whereby the insertion pins are situated above the ground; ii. positioning the machine over a part of the ground in which fibres are to be inserted and causing the machine to stop moving; iii. causing the fibre supply means to supply fibre to a position beneath the lower ends of each pair of insertion pins; iv. severing the fibres; v.
  • each fibre inserted and retained in the ground is in the form of a II shape having a width that is equivalent to the outside width spacing of the pair of insertion pins and where the upper portion of the legs of the II shape extend above the ground; vii. causing the machine to move to the next desired position to which fibres are to be inserted into the ground; viii. repeating steps i. to vii.
  • step vii. the machine is caused to move forward two times the insertion pin spacing before step viii commences.
  • the machine is caused to move 40mm.
  • the total machine movement is 120mm in the forward direction.
  • the depth of fibre inserted into the ground is approx. 180mm with at least 20mm of the fibre extending above the ground.
  • the fibre supply means supplies two strands of fibre beneath the lower end of each pair of adjacent insertion pins so that two strands of fibre in the form of a II shape are inserted into the ground per pair of insertion pins.
  • the invention may broadly be said to consist of a fibre injection mechanism for use within a machine for inserting synthetic fibres into the ground, the fibre injection mechanism is mounted to and situated along the width of the machine and is adapted to be raised and lowered by the machine during the insertion of fibres into the ground as the machine moves over the ground; the fibre injection mechanism includes: i. at least one support member adapted to be moveable vertically by a moving means between a raised position and a lower position relative to the machine such that the support member is able to move toward and away from the ground; ii.
  • each insertion pin has an upper end and a lower end where the upper end is attached to the support member, the two rows are configured and positioned relative to one another such that a plurality of pairs of insertion pins are formed whereby each pair of insertion pins consists of an insertion pin of one row and the adjacent insertion pin directly opposite in the other row; wherein when in use, the fibre injection mechanism is adapted to move through a fibre insertion cycle whereby the support member moves from the raised position to the lower position and back to the raised position once cut fibre is inserted into ground, such that during the fibre insertion cycle the machine is stationary so as to allow fibre to be supplied from the machine to beneath the insertion pins and cut so that at least a cut strand of fibre is supplied and situated beneath the lower end of each pair of adjacent insertion pins, the support member then move from the raised position to the lower position
  • Figure 1 shows the layout of the insertion pins in a single row across the width of a known machine
  • Figure 2 shows a double row of insertion pins across the width of a machine in accordance with a preferred embodiment of the invention
  • Figure 3A is a cross-sectional end view of the single row of insertion pins shown in figure 1 ;
  • Figure 3B is a cross-sectional end view of the double row of insertion pins shown in figure 2 in accordance with the preferred embodiment of the invention.
  • Figure 4A is a cross-sectional end view of the single row of insertion pins shown in figure 1 with a single strand of cut fibre ready for insertion;
  • Figure 4B is a cross-sectional end view of the single row of insertion pins shown in figure 1 with a single strand inserted into the ground;
  • Figure 4C is a cross-sectional end view of the double row of insertion pins shown in figure 2 with two strands of cut fibre ready for insertion in accordance with the preferred embodiment of the invention
  • Figure 4D is a cross-sectional end view of the double row of insertion pins shown in figure 2 with two strands inserted into the ground in accordance with the preferred embodiment of the invention
  • Figure 5 show alternative insertion pin types A to G in accordance with further preferred embodiments of the invention.
  • Figure 6 show alternative insertion pin types H to O in accordance with further preferred embodiments of the invention.
  • Hybrid turf is a natural grass playing field that has artificial yarn injected at 20mm x 20mm spacing usually to a depth of 180mm. This encourages grass roots to follow the yarn down better anchoring the yarn. Also, the surface is stabilised and resists divots. Combining the yarn with the grass gives a more durable surface with extended playing time.
  • the present invention provides a mechanism and method which is an inventive improvement with respect to known earlier mechanism and methods.
  • the present invention reduces the time by at least a half to finish a sports field compared to the time taken using known earlier machines. Earlier known machines that would usually take 300 hours to complete a job would take 150 hours using the present invention.
  • the present invention is primarily concerned with the insertion of synthetic fibre into the ground.
  • the present invention is able to be retro-fitted and/or used on existing machines currently known to be in use.
  • the present invention is a method that substantially increases the productivity of these machines.
  • Figures 1 , 3A, 4A & 4B show the insertion pin arrangement used in known machines.
  • Figure 1 shows the layout of the insertion pins in a single row 12 across the width of a known machine, generally 40 to 80 pins.
  • the pin spacing is generally 20mm.
  • Figure 3A shows an end view of the known machines insertion pins arrangement 10 with the single row of pins 12.
  • Figure 4A shows an end view of the known machines insertion pin arrangement 10 with the single row of pins 12 and a single strand of cut fibre 30 below ready for insertion.
  • Figure 4B shows an end view of the known machines insertion pin arrangement 10 with a single strand of fibre inserted into the ground. A small amount of fibre is left above the ground. After the insertion pin has inserted the fibre the pin retracts out of the ground and the machine moves forward generally 20mm then the insertion cycle is repeated. A loop of fibre is left in the ground. The total machine movement after three insertion cycles is 60mm in the forward direction.
  • Figures 2, 3B, 4C, 4D, 5 & 6 show the insertion pin arrangement 100 of the present invention.
  • Figure 2 shows the present invention which is a double row of insertion pins 120, 130 across the width of a machine and includes 80 to 160 pins.
  • the pin spacing is 20mm across the width of the machine and 20mm between the rows.
  • Figure 3B shows an end view of the present invention with a double row of insertion pins 120, 130.
  • Figure 4C shows an end view of the present invention, the double row insertion pins 120, 130 with two strands of cut fibre 300 below ready for insertion.
  • Figure 4D shows an end view of the present invention, the double row insertion pins 120, 130 with two strands of fibre 300 inserted into the ground.
  • the standard V notch on the end of the pin readily supports the extra strand of fibre.
  • the fibre 300 is cut to a length before or after it is positioned under the insertion pins. The machine can be moved forward during this phase. The fibre is strong enough that as the fibre contacts the ground the fibre forces its way through. There is no damage to the fibre when pulled from the ground and inspected.
  • the inserted fibre strands form a II shape 310, having a base 330 and parallel sides 320, 340.
  • the II shape 310 is equivalent to the outside width spacing of the insertion pins 120, 130. After the fibre 300 is inserted, the pins 120, 130 are retracted and the machine moves forward two times the insertion pin spacing. This would generally be 40mm. The total machine movement after three insertion cycles is 120mm in the forward direction.
  • FIG. 4B shows even spacing of fibre above the ground.
  • the double row insertion pin arrangement after fibre insertion is allowing the machine to move forward twice as far per cycle as the existing known machines.
  • Figures 5 and 6 show alternative shape and configuration of insertion pin arrangements A to O compared to the pins shown in figures 2, 3B, 4C & 4D.
  • the fibre injection mechanism 100 for use with known machines for inserting synthetic fibres into the ground.
  • the fibre injection mechanism 100 is envisaged to replace current fibre injection mechanism in known machines and be retro-fitted to and operated by the same or similar components and parts of the known machines.
  • a skilled addressee would readily and easily know and understand how to replace existing fibre injection mechanisms with the present inventive fibre injection mechanism in such known machines.
  • the fibre injection mechanism 100 is mounted to and situated along the width of the machine and able to be raised and lowered by the machine during the insertion of fibres 300 into the ground as the machine moves over the ground.
  • the fibre injection mechanism has at least one support member 110 moveable vertically between a raised position and a lower position relative to the machine such that the support member 110 is able to move toward and away from the ground.
  • the support member has at least two rows 120, 130 of a plurality of spaced apart insertion pins attached to the support member 110 to form a double pin arrangement. A greater longitudinal length of each insertion pin extends downwardly from the support member 110 toward the ground.
  • Each insertion pin 120, 130 has an upper end and a lower end where the upper end is attached to the support member 110.
  • the two rows of insertion pins 120, 130 are configured and positioned relative to one another such that a plurality of pairs of insertion pins 120, 130 are formed whereby each pair of insertion pins consists of an insertion pin 120 of one row and the adjacent insertion pin 130 directly opposite in the other row;
  • a fibre supply (not shown) provides strands of fibre 300 beneath the insertion pins 120, 130 so that at least a strand of fibre 300 is supplied and situated beneath the lower end of each pair of adjacent insertion pins 120, 130.
  • a cutter (not shown) cuts the strand of fibre before the fibre 300 is inserted into the ground. The fibre is cut for the next insertion before the fibre is positioned under the insertion pins.
  • the fibre injection mechanism 100 moves through a fibre insertion cycle whereby the support member 110 moves from a raised position to a lower position and back to the raised position once the fibre 300 is inserted into ground.
  • the machine is stationery so as to allow the support member 110 to move from the raised position to the lower position such that the insertion pins 120, 130 insert the cut strands of fibre situated beneath the lower ends of each pair of insertion pins into the ground.
  • the support member then moves from the lower position to the raised position to complete the fibre injection cycle. Thereafter the machine is caused to move forward and the insertion cycle is repeated.
  • Each pair of insertion pins 120, 130 are configured to cause an inserted fibre 300 to have a II shape 310 where the width of the II shape is equivalent to the outside width spacing of the pair of insertion pins 120, 130.
  • the upper portion of the legs 320, 340 of the II extend above the ground.
  • the fibre supply can provide two strands of fibre beneath the lower end of each pair of adjacent insertion pins so that two strands of fibre in the form of a II shape are inserted into the ground per pair of insertion pins.
  • the double pin arrangement results in fibres being inserted into the ground whereby the fibres do not tend to fall together within the slot created in the ground where the parts of the fibre protruding above the ground touch each other in the centre of the slot.
  • the double pin arrangement of the present invention causes the fibres to be pressed by the pins the sides of the created slot and keeps the fibre separated front and back.
  • the double pin arrangement pushes through the soil/sand like a knife and when the pins retract the fibre remains in place along the sides of the slot (U-shape) created by the pins.
  • the fibres inserted by the double pin arrangement of the present invention do not fall together within the slot created in the ground and do not result in parts of the fibre protruding above the ground touching each other.
  • the injection mechanism can have more than one support member to form a set of support members that are situated adjacent each other side by side, where each support member has the plurality of spaced apart insertion pins attached thereto.
  • the spacing between each insertion pin of a row of insertion pins is 20mm.
  • the spacing between the rows is 20mm.
  • the support has 80 to 160 insertion pins.
  • the fibre insertion mechanism moves forward with the machine two times the insertion pin spacing in between fibre insertion cycles.
  • a method for inserting synthetic fibres into the ground by a synthetic fibre insertion machine having the fibre injection mechanism of the present invention comprises the steps of: i. moving and positioning the machine over and on the ground to which fibres are to be inserted into the ground in which the fibre injection mechanism is in a raised position whereby the insertion pins are situated above the ground; ii. positioning the machine over a part of the ground in which fibres are to be inserted and causing the machine to stop moving; iii. causing the fibre supply means to supply fibre to a position beneath the lower ends of each pair of insertion pins; iv. severing the fibres; v.
  • each fibre inserted and retained in the ground is in the form of a II shape having a width that is equivalent to the outside width spacing of the pair of insertion pins and where the upper portion of the legs of the II shape extend above the ground; vii. causing the machine to move to the next desired position to which fibres are to be inserted into the ground; viii. repeating steps i. to vii.
  • the machine is able to move forward two times the insertion pin spacing, e.g. 40mm, before step viii commences. After repeating steps i. to vii. three times, the total machine movement is 120mm in the forward direction.
  • the depth of fibre inserted into the ground using the present invention is approx. 180mm with at least 20mm of the fibre extending above the ground.
  • the present invention accordingly offers a number of advantages over the prior art, including:
  • the II shape of the inserted fibre has soil/sand above the horizontal portion which resists fibre pull out.
  • the present invention offers the public a useful choice.
  • the invention may also broadly be said to consist in the parts, elements and features referred to or indicated herein, individually or collectively, and any or all combinations of any two or more of the parts, elements or features. Where specific integers are mentioned herein which have known equivalents, such equivalents are deemed to be incorporated herein as if individually set forth.
  • references to “comprise” and derivatives of that term are to be interpreted inclusively. That is to say, references to “comprise” will be taken to include not only any listed components directly referenced in a given case, but also other non-specified components or elements. This applies whether the term “comprise” is used in relation to a product, device, system, one or more steps in a method or process, or any other aspect of the invention herein disclosed. To avoid doubt, “comprise” is not to be ascribed an exclusive meaning; that is to say, it is not to be taken to exclude any features, components, integers or steps merely due to their not being explicitly mentioned.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

L'invention porte sur un mécanisme d'injection de fibres destiné à être utilisé avec des machines pour insérer des fibres synthétiques dans le sol. Le mécanisme d'injection de fibres (100) a un élément de support (110) ayant au moins deux rangées (120, 130) d'une pluralité de broches d'insertion espacées fixées à l'élément de support pour former un agencement à double broche. Le mécanisme d'injection de fibres se déplace à travers un cycle d'insertion de fibres, moyennant quoi l'élément de support se déplace d'une position relevée vers une position inférieure et revient à la position relevée une fois que la fibre coupée est insérée dans le sol. Les broches d'insertion insèrent des brins coupés de fibres situés sous les extrémités inférieures de chaque paire de broches d'insertion dans le sol. Chaque paire de broches d'insertion amène une fibre insérée à avoir une forme en U où la largeur de la forme en U est équivalente à l'espacement de largeur extérieure de la paire de broches d'insertion.
PCT/NZ2023/050124 2022-11-14 2023-11-08 Procédé et mécanisme d'insertion de fibres synthétiques dans le sol WO2024107065A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ79412522 2022-11-14
NZ794125 2022-11-14

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WO2024107065A1 true WO2024107065A1 (fr) 2024-05-23

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992007142A2 (fr) * 1990-10-16 1992-04-30 Tapijtfabriek H. Desseaux N.V. Terrain contenant du gazon artificiel et dispositif servant a implanter des fibres de gazon artificiel
WO2017183977A1 (fr) * 2016-04-21 2017-10-26 Desso Sports B.V. Dispositif d'insertion de fibres synthétiques dans le sol
CN111485339A (zh) * 2020-04-30 2020-08-04 北京天仁科技发展有限公司 一种草坪人工植丝机的植丝针机构
CN111519493A (zh) * 2020-04-30 2020-08-11 北京天仁科技发展有限公司 一种草坪植丝机
WO2020214028A1 (fr) * 2019-04-15 2020-10-22 Tarkett Sports B.V. Dispositif d'introduction de fibres plastiques dans le sol

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992007142A2 (fr) * 1990-10-16 1992-04-30 Tapijtfabriek H. Desseaux N.V. Terrain contenant du gazon artificiel et dispositif servant a implanter des fibres de gazon artificiel
WO2017183977A1 (fr) * 2016-04-21 2017-10-26 Desso Sports B.V. Dispositif d'insertion de fibres synthétiques dans le sol
WO2020214028A1 (fr) * 2019-04-15 2020-10-22 Tarkett Sports B.V. Dispositif d'introduction de fibres plastiques dans le sol
CN111485339A (zh) * 2020-04-30 2020-08-04 北京天仁科技发展有限公司 一种草坪人工植丝机的植丝针机构
CN111519493A (zh) * 2020-04-30 2020-08-11 北京天仁科技发展有限公司 一种草坪植丝机

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