EP3831995B1 - Procédé de production de filet d'emballage enroulé - Google Patents

Procédé de production de filet d'emballage enroulé Download PDF

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Publication number
EP3831995B1
EP3831995B1 EP19845375.5A EP19845375A EP3831995B1 EP 3831995 B1 EP3831995 B1 EP 3831995B1 EP 19845375 A EP19845375 A EP 19845375A EP 3831995 B1 EP3831995 B1 EP 3831995B1
Authority
EP
European Patent Office
Prior art keywords
chain knitting
net
guide bar
net cloth
roll
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.)
Active
Application number
EP19845375.5A
Other languages
German (de)
English (en)
Other versions
EP3831995A4 (fr
EP3831995C0 (fr
EP3831995A1 (fr
Inventor
Kenichi Okamoto
Tadashi Okamoto
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.)
Okamoto Lace Co Ltd
Original Assignee
Okamoto Lace Co Ltd
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
Priority claimed from JP2018142972A external-priority patent/JP6550510B1/ja
Priority claimed from JP2019097559A external-priority patent/JP6896294B2/ja
Application filed by Okamoto Lace Co Ltd filed Critical Okamoto Lace Co Ltd
Publication of EP3831995A1 publication Critical patent/EP3831995A1/fr
Publication of EP3831995A4 publication Critical patent/EP3831995A4/fr
Application granted granted Critical
Publication of EP3831995C0 publication Critical patent/EP3831995C0/fr
Publication of EP3831995B1 publication Critical patent/EP3831995B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/34—Take-up or draw-off devices for knitted products
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/10—Open-work fabrics
    • D04B21/12—Open-work fabrics characterised by thread material
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/36—Devices for printing, coating, or napping knitted fabrics
    • 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
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01—Natural vegetable fibres
    • D10B2201/02—Cotton
    • 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
    • D10B2401/00—Physical properties
    • D10B2401/12—Physical properties biodegradable
    • 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
    • D10B2505/10—Packaging, e.g. bags

Definitions

  • the present invention relates to an improved method for manufacturing a rolled wrapping net, for more details, the method for manufacturing a rolled wrapping net consisting of cloth material which is friendly for domestic animals and environment and usable in an existing roll baler machine without problems.
  • bale net made of PE / PP is not naturally decomposed and not digested when domestic animals eat it, there is concern over risks of environment and health of domestic animals. Especially, since the price of domestic animals is soaring recently, awareness of safety of domestic animals is high.
  • the above conventional cloth roll is not limited to be difficult to perform smooth cutting, but there are problems as well that the cloth roll mounted on a roll bale machine of stationary type (detail of it will be described latter) rampages in a bucket at the time of use, so that brake become to be hard to work and that pulled out cloth is shrunk in a width direction.
  • KR 100 974 072 B1 discloses an apparatus for winding a wrapping net made of a general synthetic resin film slit yarn.
  • WO 2018/034221 A1 discloses a wrapping net and a production method for said wrapping net, wherein the material of the wrapping net comprises cellulose fibers, in particular cotton yarn.
  • the present invention has been made in view of the above problems, and its purpose is to provide a method for manufacturing a rolled wrapping net and an apparatus for manufacturing to be used for it, wherein cloth material is not only friendly for domestic animals and environment but also compact and can be mounted on an existing roll bale machine without problems, moreover, any trouble is not occurred at the time of pulling out a cloth, at the time of cutting the cloth and at the time of applying brake to a rotating cloth roll.
  • the invention in a method for manufacturing a rolled wrapping net formed by winding a net cloth consisting of warp yarns that constitute chain knitting structures arranged at regular intervals in a lateral direction of a warp knitted fabric and insertion yarns that are stretched in an oblique direction or in the lateral direction so as to connect adjacent chain knitting structures each other, the invention is characterized by adapting a method in which cotton yarn is used for each warp yarn of the net cloth and insertion yarn during knitting process, the net cloth is wound around the roll core while swinging it in the width direction in a fixed range within the limit of space between chain knitting structures while keeping a space between the chain knitting structures at the time of immediately after knitting process during winding process of the net cloth, and the net cloth is moved by swinging a guide roller or a guide bar to the left and right while each chain knitting structure is inserted into a recessed part, by using the guide bar formed with a plurality of recessed parts at prescribed intervals in a lengthwise direction, and is wound so that same wound chain knitting structures are in
  • the net cloth is wound around the roll core while swinging it in the width direction in a fixed range within the limit of space between chain knitting structures while keeping the space between the chain knitting structures at the time of immediately after knitting process during winding process of the net cloth, and the net cloth is moved by swinging a winding roller to the left and right while each chain knitting structure is inserted into the recessed part, using the guide roller or guide bar formed with a plurality of recessed parts at prescribed intervals in the lengthwise direction, and is wound so that same wound chain knitting structures are in a state of being arranged in parallel in the width direction and a radial direction of a roll without overlapping with adjacent different chain knitting structures, and is further wound so that the gap between different chain knitting structures on the same layer of the roll becomes smaller than the width of one chain knitting structure, as a method for swinging the net cloth while keeping the space
  • the guide bar in case of using the guide bar, is provided so that the angle between the direction of the tip of the guide bar formed with the recessed parts and a feeding direction of the net cloth from the guide bar is less than 90°.
  • a method for supplying the liquid food additive having liquid water repellency or food wax in the recessed parts of the guide bar it is possible to preferably adapt a method for sequentially supplying the food additives or food wax from the liquid injection ports formed in the recessed parts of the guide bar through a supply tube of the food additives or food wax by connecting the supply tube to the guide bar.
  • the present invention can also be configured to comprise the winding roller on which the roll core for winding the net cloth is mounted;
  • the present invention can be also configured to comprise the winding roller on which the roll core for winding the net cloth is mounted, the guide roller or guide bar arranged in front of the winding roller and formed with a plurality of recessed parts at prescribed intervals in the lengthwise direction in which each chain knitting structure is inserted, and a reciprocating mechanism connected to the winding roller for swinging the winding roller to the left and right.
  • the apparatus may be configured to comprise the winding roller on which the roll core for winding the net cloth is mounted; and the guide roller arranged in front of the winding roller and provided with provided with double spiral grooves into which each chain knitting structure is to be inserted, thus, it is also possible to feed the net cloth while each chain knitting structure is inserted into a groove and to wind the net cloth by swinging it in the width direction while keeping the space between the chain knitting structures.
  • the net cloth since in the rolled wrapping net manufactured by the methods, cotton yarn is used for each warp yarn and insertion yarn of the net cloth, adjacent wound same chain knitting structures are arranged in parallel in the width direction and a radial direction of the roll without overlapping with adjacent and different chain knitting structures, further, the food additive having water repellency or food wax is adhered to the chain knitting structure of the net cloth, the net cloth can be provided with water repellency and separation of cloth can be improved.
  • the adjacent wound same chain knitting structures are arranged in parallel in the width and the radial directions of the roll without overlapping with adjacent and different chain knitting structures, further, colorant used as food additive is adhered to the wound net cloth in belt shape in the width direction thereof, residual quantity of the net cloth or the like at the time of use can be confirmed by watching it.
  • each chain knitting structure is arranged in parallel in the width direction and the radial direction of the roll, by winding the net cloth made of cotton yarn around the roll core while swinging it in the width direction so as to prevent different chain knitting structures from overlapping each other, it is possible not only to smooth a surface of the cloth roll by uniformizing overlapping state of the cloths, but also to make even long cloth a roll in compact to enable to mount on the existing roll bale machine.
  • the rolled wrapping net manufactured by the method of the present invention since the chain knitting structures of the net cloth is wound while keeping a constant space, it is possible to pull out the net cloth in parallel while applying tension uniformly to each chain knitting structure at the time of pulling out.
  • the present invention can provide an easy-to-use rolled wrapping net for dairy and livestock farmers.
  • FIG. 1 A first embodiment of the present invention will be described below based on Figs. 1 to 4 .
  • reference number 1 is warp yarn
  • what is indicated by the reference number C is a chain knitting structure.
  • reference number 2 is an insertion yarn
  • what is indicated by the reference number N is a net cloth.
  • reference number R is a rolled wrapping net
  • what is indicated by the reference number P is a roll core.
  • chain knitting structures C1 • C2... arranged at regular intervals in a width direction of warp knitted fabric are formed by the warp yarn1 • 1... consisting of cotton yarn, and the net cloth N is constituted by obliquely stretching the insertion yarn 2 similarly consisting of cotton yarn over adjacent chain knitting structures C1 and C2 so as to connect them each other.
  • the net cloth N is wound around the roll core P (a paper tube in the present embodiment,) while applying tension thereto, so that the rolled wrapping net R is formed.
  • each chain knitting structure C1•C2... of the rolled wrapping net R is, as shown in Fig.3A and 3B , in a state of being arranged in parallel in the width direction and a radial direction such that same wound chain knitting structures C• C... do not overlap with adjacent different chain knitting structures C'•C'....
  • tension of a loop of each wound chain knitting structure C1•C2... is uniform, it is possible to pull out in parallel each of chain knitting structures C1• C2... arranged at regular intervals while applying tension equally to them at the time of pulling out the net cloth N.
  • a group of chain knitting structures arranged in the same position in the radial direction of the roll is referred to "chain knitting structure on the same layer”
  • a group of the chain knitting structures arranged in a same position in the width direction of the roll is referred to "chain knitting structure on the same row”.
  • the rolled wrapping net R when used as a wrapping net such as feed or the like, not only is it safe for domestic animals to eat the net cloth N composed of cotton yarn, since thickness of the roll does not become partially large even if the chain knitting structures C1 and C2...of different net cloth N overlap in the vertical direction, it is also possible to increase winding length of the net cloth N for the same maximum diameter of the roll.
  • each constituent element of the rolled wrapping net R will be described.
  • the warp yarn though in the present embodiment is used 100% cotton yarn, it is also possible to use blended yarn blended with highly digestible plant fibers or the like, if it is yarn material made from cotton as main raw material.
  • thickness and number of cotton yarns to be used can be appropriately changed depending on required strength or the like.
  • length of each chain knitting structures C1 and C2 ... is desirable to be uniform, but there is no problem even if there is slight error.
  • the chain knitting structure C formed from the warp yarn 1,if the space between the adjacent chain knitting structures C•C...is too small, number of the chain knitting structure C•C... that can be arranged on the same layer becomes small, it makes it difficult to make the roll compact, and when too wide, mesh becomes too wide which make it difficult to form the feed roll. Therefore, it is preferable to perform knitting such that the space between the chain knitting structures C•C... becomes in the range of 10 to 30 mm.
  • the width of one of the chain knitting structure C is preferably 1.0 to 3.0 mm in a state of applying tension.
  • the insertion yarn 2 in the present embodiment, though is used 100% cotton yarn, it is also possible to use blend yarn blended with highly digestible plant fibers or the like, if the yarn material is made of cotton as main raw material.
  • the thickness and number of cotton yarn to be used can be appropriately changed within the range of strength that can withstand a tendering apparatus of the roll baler machine.
  • the thickness of the yarn 2 it is preferable to be as thin as possible so as not to be bulky during winding.
  • the insertion yarn 2 is interknitted so as to have yarn tension of an extent that does not shorten a space of straight line between intersections J • J, so that the insertion yarn 2 become to be loosened in the net cloth N at the time immediately after knitting.
  • the net cloth N since such phenomenon can be suppressed that the net cloth N subjected to tension in a length direction shrinks in width direction, therefore, it is possible to wind the net cloth N around the roll core P, while keeping the space between chain knitting structure C, C ... at the time immediately after knitting.
  • direction of stretching of the insertion yarn 2 in the present embodiment, though it stretches zigzag over the adjacent chain knitting structures C•C...in an oblique direction, not only in the oblique direction, it can also stretch in a lateral direction. Though it is also possible to stretch over the adjacent chain knitting structures C•C...by a plurality of insertion yarns 2, since the net cloth N to which tension is applied in the length direction is easily shrunk in the width direction, it is preferable to constitute to stretch by one insertion yarn like the present embodiment.
  • the chain knitting structures C•C... on the same row as shown in FIG. 3A and 3B , though it is desirable that the chain knitting structure C on the upper side is arranged on the chain knitting structure C on the lower side, there is no problem even if a part of the chain knitting structures C•C... on the upper side drops into the gap between the chain knitting structures C•C on the lower side. In particularly, the part of the chain knitting structures C•C... on the upper side easily drops into the gap between the chain knitting structures C•C on the lower side, when applying pressure against the roll during winding of the net cloth N.
  • water repellency is imparted to the net cloth composed of cotton yarn N by adhering food additive having water repellency to the chain knitting structure C of the net cloth N.
  • food additive having the water repellency anything is usable as long as it is not harmful for domestic animals to eat, for example, vegetable tallow and sugarcane waxes, plant-based waxes such as palm wax, or animal-based waxes such as beeswax and spermaceti are usable.
  • food additives having water repellency can be also used in a state of being mixed with yeast and bacteria for mold protection.
  • wax of low melting point As a food additive having water repellency, it is possible to adhere to the net cloth N without killing yeast and bacteria with heat.
  • materials other than antifungal agent e.g., PH regulator, etc.
  • colorant used as a food additive is adhered in belt shape to the net cloth N which is wound around roll core P in the width direction.
  • residual quantity of the feed roll can be confirmed as a mark by watching the colorant adhered to the net cloth N at the time of forming the feed roll.
  • the colorant for example, food tar-based pigment and safflower pigment, gardenia pigment, caramel pigment or the like can be used as long as they are not harmful for domestic animals to eat.
  • the insertion yarn is omitted to facilitate explaining movement of the net cloth.
  • knitting of the net cloth is performed by using cotton yarn for each warp yarn and insertion yarn and by forming chain knitting structures from the warp yarn and stretching the insertion yarn obliquely so as to connect these chain knitting structures.
  • the warp yarn for forming the chain knitting structure is fed while being rubbed to food additive having water repellency, so that food additive having water repellency can be adhered to the chain knitting structure.
  • the net cloth is wound around the roll core within the space between the chain knitting structures, while swinging it in a fixed range in the width direction of the roll and keeping the space between the chain knitting structures of the net cloth in a state at the time of immediately after the knitting process.
  • the space between the recessed parts D•D... though it is formed at a narrow space so as to correspond to a variety of lap nets in which spaces between chain knitting structures are different, when using in the net cloth of a specific structure,it is possible to form the recessed parts D•D... at wide space as well so as to match with space between the chain knitting structures of the net cloth.
  • Depth and width of the recessed part D of the guide bar E can be appropriately changed as well so as to match with the chain knitting structure of the net cloth.
  • a method for swinging the net cloth to the left and right while keeping the space between the chain knitting structures instead of the method for swinging the guide bar E to the left and right, it is also possible to adapt a method for swinging the winding roller to the left and right by using the above guide bar E or a guide roller A formed with a plurality of recessed parts in the lengthwise direction as shown in Fig.6B , while each chain knitting structure is inserted into the recessed part D•D....
  • the winding roller is a rotary shaft roll on which core P (paper tube, etc.) is mounted
  • core P paper tube, etc.
  • it is touch rollers T•T rotating while being in contact with the rolled wrapping net R.
  • the guide bar E and the guide roller A with the recessed parts D are arranged close to the rolled wrapping net R wound around the roll core P (a position closer to the winding roller than that of the guide roller formed with no recessed portion), in the pressure type winding system shown in Fig.7B , it is preferable to arrange close to the touch rollers T•T.
  • the pressure type winding system shown in Fig.7B since it is not necessary to move the guide bar E and the guide roller A in accordance with expansion of the wound rolled wrapping net R, production is facilitated.
  • a guide roller with double helical grooves instead of the method for swinging the guide bar E and the guide roller A to the left and right, it is also possible to use a guide roller with double helical grooves. Specifically, recessed parts are formed at prescribed intervals in the lengthwise direction of the guide roller by forming the double helical grooves in the guide roller, the net cloth can be reciprocated in the width direction by rotating the guide roller while each chain knitting structures is inserted in these recessed parts.
  • the swinging speed of the net cloth in the width direction of the roll in the present embodiment, it is set such that a constant gap is formed between the chain knitting structures on the same layer in parallel with each other in the width direction of the roll and the gap between the chain knitting structures on the same layer becomes smaller than the width of one chain knitting structure.
  • the speed of the net cloth can be calculated from the space between the chain knitting structures, width of the chain knitting structure, number of windings of the same chain knitting structure on the same layer, diameter and length of outer periphery of the roll, and the winding speed of the net cloth or the like.
  • the swinging speed of the net cloth in the width direction of the roll is set such that the same chain knitting structures are arranged in order in width the direction of the roll (in a direction of layer) forming a gap smaller than the width of one chain knitting structure between them.
  • the chain knitting structure are arranged in the order of (1) to (25).
  • the swinging speed of the net cloth in the width direction of the roll can be set as well such that the chain knitting structures are arranged forming a gap larger than the width of one chain knitting structure between them, in which case, as shown in Fig. 9A to 9C , the chain knitting structures are wound such that a gap corresponding to approximately one chain knitting structure worth is formed in the width direction (the direction of layer) when the net cloth is moved forwardly and are wound such that the chain knitting structure is fit in the gap formed at the time of being moved forwardly at the time of being moved backwardly.
  • the net cloth can be wound such that the chain knitting structure is arranged in the order of (1) to (25).
  • the gap between the same wound chain knitting structures is adjusted by decreasing gradually the moving speed of the net cloth, as winding amount of the net cloth to the roll core increases as shown in FIG. 10A to 10C ,it is also possible to adjust continuously the moving speed of the net cloth, as winding amount of the net cloth to the roll core increases.
  • a method for pressing the net cloth wound around the roll core during winding process of the net cloth in the present embodiment, though is adapted a method for pressing the press roller from the upper side against the roll fixed to the bearing, other methods may be adapted, for example, can be adapted as well a method in which the roll is secured to a vertically slidable bearing and a rod-shaped weight is inserted into the roll core so as to press the roll against a mounting roll arranged underside.
  • such methods are also adaptable as a method for feeding the warp yarn through a hollow portion of food additive formed into a doughnut shape or the like while rubbing it against food additive or the like, or a method for pressing food additive or the like from the lower or upper side against the warp yarn, and a method for adhering powdery food additive to the warp yarn.
  • liquid (fluid) food additive having water repellency or food wax is sequentially supplied in the recessed part D of the guide E, and cotton yarn of the chain knitting structure is fed while adhering the food additive or food wax to cotton yarn of the chain knitting structure at the time of knitting of the net cloth.
  • a supply tube of food additives or food wax is connected to the guide bar E having a liquid injection port formed in the recessed part D and a cavity connected thereto, and food additives or food wax is sequentially supplied to the liquid injection port formed in the recessed part D from the supply tube.
  • the colorant used as food additive is adhered to the wound net cloth in belt shape in the width direction, specifically, the colorant dissolved in liquid having volatility (alcohol, etc.) is adhered to the net cloth by spraying it through a plate member provided with a rectangular window(s).
  • a method for adhering colorant to the net cloth it is also possible to use food additive as liquid colorant and partially dye the warp yarn of the net cloth at prescribed intervals by operating a pump so as to blow out liquid colorant from pouring ports of the guide bar E intermittently as shown in Fig. 1 1B .
  • a colored part of the net cloth as a mark (e.g., a mark to inform an end of the cloth).
  • FIG. 7 it is configured such that there are arranged the winding roller F to which the roll core P is attached as a winding mechanism of a warp yarn knitting machine(not shown) for knitting the net cloth N and the guide bar E formed with a plurality of recessed parts D•D... in front of the winding roller F, in addition, a reciprocating mechanism for swinging the guide bar E to the left and right (not shown) is connected to the guide bar E.
  • the net cloth N can be efficiently wound around the roll core P by feeding and swinging the net cloth N in the width direction while keeping the space between the chain knitting structures.
  • the recessed part D•D... into which the chain knitting structure can be inserted between each metal plate members M•M...at the prescribed intervals in the lengthwise direction of the guide bar E, and it is also possible to form the recessed part D ⁇ D...having prescribed depth by virtue of the metal wire member K being at the bottom thereof.
  • the method for forming the recessed part D•D... of the guide bar E when metallic material is used for the guide bar E, it can also be formed by cutting machining or the like, when plastic material is used, it can also be formed by injection molding or the like.
  • the guide bar E is fixed such that an angle formed by the direction of the tip of the guide bar E formed with the recessed parts D as shown in Fig.8 and a feeding direction of the net cloth N from the guide bar E is less than 90°.Thus, problems that insertion the yarn 2 of the net cloth N is hooked in between the recessed parts D•D... of the guide bar E and cut can be thereby prevented from being caused.
  • a guide roller A formed with a plurality of recessed parts D•D... at prescribed intervals in the length direction as shown in Fig. 6 B can be used as well.
  • the reciprocating mechanism in the present embodiment, though it comprises of a drive motor, a cam for moving the guide bar E by converting rotational motion of the drive motor into linear motion and an elastic member for pressing the guide bar E against the cam, an actuator for reciprocating linear motion (for example, an electric cylinder, a hydraulic cylinder, and a linearly moving type of motor or the like) is also selectable.
  • the reciprocating mechanism it can also be provided so as to be connected with the winding roller F, in which case, the net cloth N is fed while each chain knitting structure is inserted in the recessed part D of the guide bar E, and the net cloth can be wound around the roll core P by swinging the winding roller F to the left and right so as to swing the net cloth N in the width direction while keeping the space between the chain knitting structures.
  • a configuration without using the reciprocating mechanism can be also adapted, specifically, it can also be configured by arranging a guide roller with double helical grooves in front of the winding roller.
  • moving speed of the net cloth for swinging it in the width direction of the roll was calculated from the winding speed of the net cloth, the space between the chain knitting structures, the width of the chain knitting structure, number of windings of the same chain knitting structure on the same layer, and the diameter and the length of the outer periphery of the roll, and it was verified whether it is possible actually to wind so as to form a fixed gap between the chain knitting structures on the same layer.
  • the moving speed of the net cloth was calculated as 0.418 mm / sec by the following equation, where the winding speed was 600 cm / min, the interval of the chain knitting structure was 23 mm, the width of the chain knitting structure was 1.8 to 2.0 mm, number of windings of the same chain knitting structure on the same layer was 11, the diameter of the roll was 16 cm and the length of the outer periphery of the roll was about 50 cm.
  • the moving speed of the net cloth was calculated as 0.348 mm / sec by the following equation, where the winding speed was 600 cm / min, the interval of the chain knitting structure was 23 mm, the width of the chain knitting structure was 1.8 to 2.0 mm, number of windings of the same chain knitting structure on the same layer was 11, the diameter of the roll was 19 cm and the length of the outer periphery of the roll was about 60 cm.

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  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)

Claims (6)

  1. Procédé de fabrication d'un filet d'emballage enroulé (R) formé par l'enroulement d'une toile de filet (N) constituée d'un fil de chaîne (1) qui constitue des structures de tricotage en chaîne (C) disposées à intervalles réguliers dans un sens latéral d'un tissu tricoté en chaîne et d'un fil d'insertion (2) qui est étiré dans un sens oblique ou dans le sens latéral de manière à relier les structures de tricotage en chaîne (C) adjacentes les unes aux autres, dans lequel ;
    la toile de filet (N) est enroulée autour d'un noyau de rouleau (P) tout en le faisant pivoter dans le sens de la largeur dans une plage fixe dans la limite de l'espace entre les structures de tricotage en chaîne (C) tout en conservant un espace entre les structures de tricotage en chaîne (C) immédiatement après le processus de tricotage dans le processus d'enroulement de la toile de filet (N), et caractérisé en ce que du fil de coton est utilisé pour chaque fil de chaîne (1) et chaque fil d'insertion (2) dans le processus de tricotage de la toile de filet (N),
    la toile de filet (N) est déplacée en faisant pivoter un rouleau de guidage (A) ou une barre de guidage (E) vers la gauche et la droite pendant que chaque structure de tricotage en chaîne (C) est insérée dans une partie évidée (D), en utilisant le rouleau de guidage (A) ou la barre de guidage (E) formé·e avec une pluralité de parties évidées (D) à des intervalles prescrits dans le sens de la longueur et est enroulée de telle sorte que les mêmes structures de tricotage en chaîne (C) enroulées sont en état d'être disposées parallèlement dans le sens de la largeur et dans le sens radial d'un rouleau sans se chevaucher avec des structures de tricotage en chaîne (C) différentes adjacentes, et est enroulée de telle sorte que l'écart entre les différentes structures de tricotage en chaîne (C) sur la même couche du rouleau devient plus petit que la largeur d'une structure de tricotage en chaîne (C).
  2. Procédé de fabrication d'un filet d'emballage enroulé (R) formé par l'enroulement d'une toile de filet (N) constituée d'un fil de chaîne (1) qui constitue des structures de tricotage en chaîne (C) disposées à intervalles réguliers dans un sens latéral d'un tissu tricoté en chaîne et d'un fil d'insertion (2) qui est étiré dans un sens oblique ou dans le sens latéral de manière à relier les structures de tricotage en chaîne (C) adjacentes les unes aux autres, dans lequel ;
    la toile de filet (N) est enroulée autour du noyau de rouleau (P) tout en le faisant pivoter dans le sens de la largeur dans une plage fixe dans la limite de l'espace entre les structures de tricotage en chaîne (C) tout en conservant un espace entre les structures de tricotage en chaîne (C) immédiatement après le processus de tricotage dans le processus d'enroulement de la toile de filet (N), et caractérisé en ce que du fil de coton est utilisé pour chaque fil de chaîne (1) et chaque fil d'insertion (2) dans le processus de tricotage de la toile de filet (N),
    la toile de filet (N) est déplacée en faisant pivoter un rouleau enrouleur (F) vers la gauche et la droite pendant que chaque structure de tricotage en chaîne (C) est insérée dans une partie évidée (D), en utilisant un rouleau de guidage (A) ou une barre de guidage (E) formé·e avec une pluralité de parties évidées (D) à des intervalles prescrits dans le sens de la longueur et est enroulée de telle sorte que les mêmes structures de tricotage en chaîne (C) enroulées sont en état d'être disposées parallèlement dans le sens de la largeur et dans le sens radial d'un rouleau sans se chevaucher avec des structures de tricotage en chaîne (C) différentes adjacentes, et est enroulée de telle sorte que l'écart entre les différentes structures de tricotage en chaîne (C) sur la même couche du rouleau devient plus petit que la largeur d'une structure de tricotage en chaîne (C).
  3. Procédé de fabrication du filet d'emballage enroulé (R) selon la revendication 1 ou 2, dans lequel ;
    en cas d'utilisation de la barre de guidage (E), celle-ci est prévue pour que l'angle entre le sens de la pointe de la barre de guidage (E) formée par les parties évidées (D) et un sens d'alimentation de la toile de filet (N) à partir de la barre de guidage (E) soit inférieur à 90°.
  4. Procédé de fabrication du filet d'emballage enroulé (R) selon l'une quelconque des revendications 1 à 3, dans lequel ;
    en cas d'utilisation de la barre de guidage (E), un additif alimentaire solide (W) ayant un effet hydrofuge ou une cire alimentaire est disposé·e dans les parties évidées (D) de la barre de guidage (E).
  5. Procédé de fabrication du filet d'emballage enroulé (R) selon l'une quelconque des revendications 1 à 3, dans lequel ;
    en cas d'utilisation de la barre de guidage (E), l'additif alimentaire liquide (W) ayant un effet hydrofuge ou de la cire alimentaire est fourni·e séquentiellement dans les parties évidées (D) de la barre de guidage (E).
  6. Procédé de fabrication du filet d'emballage enroulé (R) selon la revendication 5, dans lequel ;
    l'additif alimentaire (W) ou la cire alimentaire est fourni ·e séquentiellement à partir des ports d'injection de liquide formés dans les parties évidées (D) de la barre de guidage (E) à travers un tube d'alimentation des additifs alimentaires (W) ou de la cire alimentaire en connectant le tube d'alimentation à la barre de guidage (E).
EP19845375.5A 2018-07-30 2019-07-26 Procédé de production de filet d'emballage enroulé Active EP3831995B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018142972A JP6550510B1 (ja) 2018-07-30 2018-07-30 ロール状ラッピングネット、及びその製造方法
JP2019097559A JP6896294B2 (ja) 2019-05-24 2019-05-24 ロール状ラッピングネット、及びその製造方法
PCT/JP2019/029549 WO2020027005A1 (fr) 2018-07-30 2019-07-26 Procédé de production de filet d'emballage enroulé, appareil de production de filet d'emballage roulé, et filet d'emballage enroulé

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IT202100032813A1 (it) * 2021-12-28 2023-06-28 Novatex Italia Spa Rete a maglia per rotopresse
CN115075426B (zh) * 2022-07-26 2024-05-03 温州澳成建筑装饰有限公司 一种防开裂外墙结构及其施工方法

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US5892637A (en) 1996-05-10 1999-04-06 International Business Machines Corporation Multi-piece integrated suspension assembly for a magnetic storage system
DE102004008105A1 (de) * 2004-02-19 2005-09-08 Rkw Ag Rheinische Kunststoffwerke Werk Michelstadt Verfahren und Vorrichtung zum Aufwickeln von gewirkten Netzen
FI119192B (fi) * 2004-05-11 2008-08-29 Piippo Oy Menetelmä ja laitteisto sidontaverkkkorullan aikaansaamiseksi, kudontalaitteisto sekä sidontaverkko
KR100974072B1 (ko) * 2010-03-17 2010-08-04 박학근 사초더미 결속용 망원단의 권취장치
JP6033691B2 (ja) * 2013-01-13 2016-11-30 松山毛織株式会社 ラップネット
US10077515B2 (en) * 2013-04-26 2018-09-18 Matsuyama Keori Co., Ltd. Wrapping net, and manufacturing method for same
JP2018028158A (ja) * 2016-08-18 2018-02-22 松山毛織株式会社 ラップネット及びその製造方法

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EP3831995C0 (fr) 2023-08-30
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WO2020027005A1 (fr) 2020-02-06

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