EP4029795B1 - Structure du module interne d'un outil d'emballage à cerclage automatique - Google Patents

Structure du module interne d'un outil d'emballage à cerclage automatique Download PDF

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Publication number
EP4029795B1
EP4029795B1 EP21196924.1A EP21196924A EP4029795B1 EP 4029795 B1 EP4029795 B1 EP 4029795B1 EP 21196924 A EP21196924 A EP 21196924A EP 4029795 B1 EP4029795 B1 EP 4029795B1
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EP
European Patent Office
Prior art keywords
gripper
module
dedicated motor
driven shaft
disposed
Prior art date
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Active
Application number
EP21196924.1A
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German (de)
English (en)
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EP4029795A1 (fr
Inventor
Keun-Chul JANG
Hyeong Jo Kim
Jae Cheol MIN
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/22—Means for controlling tension of binding means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/025—Hand-held tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/185—Details of tools
    • B65B13/187—Motor means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/24—Securing ends of binding material
    • B65B13/32—Securing ends of binding material by welding, soldering, or heat-sealing; by applying adhesive
    • B65B13/322—Friction welding

Definitions

  • the present invention relates to an auto strapping packaging tool, and more particularly, to an auto strapping packaging tool used when packaging goods and the like using a plastic band.
  • Auto strapping packaging tools have portable tool types and are used to package goods such as boxes using plastic bands.
  • Packaging is performed by wrapping goods using a plastic band to form a loop and tightening the plastic band using an auto packaging tool until a predetermined magnitude of tension is generated on the loop.
  • a subsequent process is performed by bonding portions of the plastic band which overlaps itself in two layers.
  • the bonding is mainly performed by using friction heat generated by vibrating the plastic band in a state in which the plastic band is pressed. Accordingly, solid bonding between homogeneous materials is performed on the plastic band in a locally molten state. Then, when the bonded portions are cooled, a solid loop is formed.
  • US 6 732 638 B1 discloses a time-out indicator adapted for use in a pneumatic strapping tool for tensioning a strap around a load, adhering the strap onto itself, and cutting a feed end of the strap.
  • a strapping tool is described to have a cylinder housing, a piston disposed within a cylinder in the cylinder housing, a pneumatic weld motor operably connected to the piston, a vibrating weld element operably connected to the piston for contacting the strap and adhering the strap onto itself.
  • the present invention is directed to providing an inner module structure of an auto strapping packaging tool, in which internal components are formed in units of modules so that automatic assembly of a product is realized.
  • the present invention is directed to improving a conventional complex structure by substituting a conventional motor with a motor having a new type and newly designing a dedicated motor to be disposed in each module.
  • the present invention is directed to minimizing an unbalance of internal weight due to components and improving user convenience.
  • the present invention is directed to maximizing productivity and assemblability by producing and assembling the product in units of modules, decreasing a manufacturing cost of the product, and securing price competitiveness.
  • an inner module structure of an auto strapping packaging tool including a tension module in which first power generated by a first dedicated motor disposed at a rear side is transmitted to a front side to provide a tensile force to a packaging plastic band, and a welding module which is disposed at one side of the tension module, and in which a gripper unit is opened or closed by second-1 power due to axial rotation in a forward direction of a second dedicated motor disposed at a rear side in the welding module, and the gripper unit linearly reciprocates by second-2 power due to axial rotation in a reverse direction of the second dedicated motor to provide a friction force to the plastic band to which the tensile force is applied through the tension module, wherein each of the tension module and the welding module is formed in units of modules, and driving of the tension module and the welding module is individually controlled.
  • Each of the first dedicated motor and the second dedicated motor may be a flat motor.
  • the welding module may further include an opening and closing unit which is coupled to an upper portion of the gripper unit and provides vertical movement for the gripper unit to open or close the gripper unit through an operation according to axial rotation when the second-1 power is transmitted, and a belt pully part disposed between the second dedicated motor and the opening and closing unit to transmit the second-1 power between the second dedicated motor and the opening and closing unit.
  • the opening and closing unit may include a first driven shaft which is driven by the second-1 power transmitted by the belt pully part and has a first eccentric element formed on an outer circumferential surface, a head part through which the first driven shaft passes, in which the first eccentric element is in contact with an inner side surface, and which performs cam movement according to axial rotation of the first driven shaft, and a connecting rod part having one end coupled to a lower side of the head part and the other end coupled to the gripper unit to vertically move the gripper unit according to movement of the head part.
  • An elastic member which buffers vibration generated by linear reciprocating movement of the gripper unit, may be disposed on an outer circumferential surface of the connecting rod part.
  • the gripper unit may include a second driven shaft which is driven by the second-2 power and has a second eccentric element formed on an outer circumferential surface, an inner gripper part in which a half ring piece formed at one end of the inner gripper part is held on the second driven shaft to linearly and slidably reciprocate due to cam movement according to axial rotation of the second driven shaft, and guide protrusions are formed on both side surfaces, and an outer gripper part of which one end is axially rotatably coupled to the second driven shaft, and in which the inner gripper part is accommodated and slidably enters or exits.
  • the outer gripper part may further include protrusion grooves formed in an inner side surface to correspond to the guide protrusions and fastening holes on which parts of upper surfaces are open and to which an end portion of the connecting rod part is axially rotatably coupled.
  • the inner module structure may further include a spur gear part disposed between the second dedicated motor and the gripper unit to transmit the second-2 power between the second dedicated motor and the gripper unit.
  • FIG. 1 is a perspective view illustrating an inner module structure of an auto strapping packaging tool according to one embodiment of the present invention
  • FIG. 2 is a plan view of FIG. 1 when viewed from another direction
  • FIG. 3 is an exploded perspective view of FIG. 1
  • FIG. 4 is an exploded perspective view illustrating an opening and closing unit of FIG. 1
  • FIG. 5 is an exploded perspective view illustrating a gripper unit of FIG. 1 .
  • the inner module structure of an auto strapping packaging tool may include a tension module 100, a welding module 200, a base plate 300, and the like.
  • a tensile force having a predetermined magnitude is applied to a plastic band through the tension module 100 after the packaging plastic band is disposed to wrap goods.
  • the plastic band receives friction heat caused by vibration in a state in which the plastic band is pressed by the welding module 200, and portions of the plastic band, which overlaps itself in two layers, are locally melted and bonded.
  • the plastic band may be formed of a polypropylene (PP) material, a polyethylene terephthalate (PET) material, or the like.
  • the base plate 300 may be a portion forming a part of a body housing, particularly, that is, a bottom part.
  • the base plate 300 allows the auto strapping packaging tool to be in surface contact with a flat surface of target goods or a ground surface paper so that the packaging tool is disposed to be perpendicular to the goods and the like.
  • the base plate 300 may further include at least one holding element to allow various components forming the auto strapping packaging tool to be stably disposed, installed, and fixed.
  • first power generated by a first dedicated motor 110 disposed at a rear side in the tension module 100 is transmitted to a front side so as to provide a tensile force to the packaging plastic band.
  • the tension module 100 is disposed at one side of an upper surface of the base plate 300 and receives a rotational force provided by the first dedicated motor 110 to wrap and pull one end of the plastic band.
  • the tension module 100 may provide the tensile force to the plastic band through an operation of pulling the plastic band in a strapping process.
  • the tension module 100 may include a wheel driven shaft 121 which is disposed in a central portion thereof and axially rotated, a worm gear unit which is a gear assembly disposed on an outer circumference of the wheel driven shaft 121 and engaged with the wheel driven shaft 121 to be rotated at a reduced speed, and the like.
  • the tension module 100 may further include a feed wheel part 120 which is coupled to an outer circumferential surface of the worm gear unit, is rotated therewith, and wraps and pulls the plastic band using a friction force caused by pressurization, and the like.
  • the feed wheel part 120 has a cylindrical shape, and a knurling part is formed on an outer circumferential surface of the feed wheel part 120.
  • a first driving shaft of the first dedicated motor 110 is disposed to be parallel to the wheel driven shaft 121.
  • a spur gear which transmits a rotational force to the wheel driven shaft 121, is coupled to the first driving shaft.
  • the first power generated by the first dedicated motor 110 may be transmitted to the feed wheel part 120 through the first driving shaft, the wheel driven shaft 121, and the worm gear unit.
  • the welding module 200 is disposed at one side of the tension module 100, a gripper unit 220 is opened or closed by second-1 power caused by axial rotation in a forward (either of clockwise and counter-clockwise) direction of a second dedicated motor 210 disposed at a rear side in the welding module 200, and the gripper unit 220 linearly reciprocates due to second-2 power caused by axial rotation in the reverse direction of the second dedicated motor 210 to provide the friction force to the plastic band to which the tensile force is applied through the tension module 100.
  • the second dedicated motor 210 may provide a first rotational force through the rotation in the forward direction.
  • the second dedicated motor 210 may provide a second rotational force through the rotation in the reverse direction.
  • a rotating speed, a rotating time, and the like of the second dedicated motor 210 are controlled by a control part (not shown).
  • the first dedicated motor 110 and the second dedicated motor 210 may be electric motors operated by power provided from the outside (or a power source such as an internal battery).
  • a second driving shaft of the second dedicated motor 210 may be rotated in the forward or reverse direction according to axial rotation.
  • a principle, a method, an operation, and the like in which the gripper unit 220 is opened or closed by the second-1 power according to one embodiment will be described below.
  • a principle, a method, an operation, and the like in which the gripper unit 220 linearly reciprocates by the second-2 power according to one embodiment will also be described below.
  • the first dedicated motor 110 and the second dedicated motor 210 may be flat motors.
  • each of the tension module 100 and the welding module 200 is formed in units of modules, and thus driving of the tension module 100 and the welding module 200 may be individually controlled.
  • each of the first dedicated motor 110 and the second dedicated motor 210 is disposed at the rear side in the module, a weight of the auto strapping packaging tool may be easily distributed. This is a difference from an inner layout of a conventional auto strapping packaging tool and may improve user convenience. That is, since the weight applied to the auto strapping packaging tool may be effectively distributed, even when the user performs packaging work for a long time, there is no strain on a wrist joint and the like.
  • the welding module 200 may include the second dedicated motor 210, the opening and closing unit 240, the gripper unit 220, a belt pully part 260, a spur gear part 280, and the like.
  • the welding module 200 is disposed at one side of the tension module 100 and provides the friction heat to bond the plastic band disposed in two layers.
  • all or some of units, components, and the like included in the welding module 200 may be installed, held, and fixed using the above-described holding elements.
  • a bevel gear is coupled to the second driving shaft of the second dedicated motor 210.
  • the packaging tool may further include a spur gear part 280 disposed between the second dedicated motor 210 and the gripper unit 220 to transmit the second-2 power therebetween.
  • the spur gear part 280 may include 1) a first connecting shaft 281 on which a bevel gear and a spur gear are coupled to an outer circumferential surface thereof, and which is perpendicularly engaged with the second driving shaft by the bevel gear and 2) a second connecting shaft 282 which is disposed to be parallel to the first connecting shaft, and to which a spur gear engaged with the spur gear of the first connecting shaft is coupled to be driven by a rotational force of the first connecting shaft.
  • the spur gear part 280 may include the first connecting shaft 281 perpendicularly engaged with the second driving shaft.
  • a one-way clutch bearing may be coupled to the first connecting shaft 281.
  • the second dedicated motor 210 provides the second-1 power in the forward direction
  • the second-1 power is blocked from being transmitted to the gripper unit 220 through the spur gear part 280.
  • the belt pully part 260 is disposed between the second dedicated motor 210 and the opening and closing unit 240 to transmit the second-1 power therebetween.
  • the belt pully part 260 may include 1) a first pully 261 including a first pully shaft in which a bevel gear is coupled to an outer circumferential surface, and to which the second driving shaft is perpendicularly engaged, 2) a second pully 262 disposed to be parallel to the first pully, and 3) a belt 263 coupled to outer circumferential surfaces of the first pully and the second pully.
  • the belt pully part 260 may include the first pully shaft perpendicularly engaged with the second driving shaft of the second dedicated motor 210.
  • the one-way clutch bearing may be coupled to the first pully shaft.
  • the second dedicated motor 210 provides the second-2 power in the reverse direction
  • the second-2 power is blocked from being transmitted to the opening and closing unit 240 through the belt pully part 260.
  • the opening and closing unit 240 is coupled to an upper portion of the gripper unit 220, and when the second-1 power is transmitted, the opening and closing unit 240 provides vertical movement for the gripper unit 220 to open or close the gripper unit 220 through an operation according to axial rotation.
  • the opening and closing unit 240 may include a first driven shaft 241, a head part 243, a connecting rod part 244, an elastic member 245, and the like.
  • the connecting rod part 244 is moved downward, and the gripper unit 220 is pressed by the connecting rod part 244.
  • the plastic band disposed in two layers between an inner gripper part 223 and a lower gripper part 229 is pressed.
  • the opening and closing unit 240 may be driven by the second dedicated motor 210.
  • the first driven shaft 241 is driven by the second-1 power transmitted by the belt pully part 260, and a first eccentric element 242 is formed on an outer circumferential surface of the first driven shaft 241.
  • one end of the first driven shaft 241 is fitted to the second pully.
  • the first driven shaft 241 passes through the head part 243, the first eccentric element 242 is in contact with an inner surface of the head part 243, and the head part 243 performs cam movement according to axial rotation of the first driven shaft 241.
  • One end of the connecting rod part 244 is coupled to a lower side of the head part 243, and the other end thereof is coupled to the gripper unit 220 to vertically move the gripper unit 220 according to the movement of the head part 243.
  • an elastic member 245, which buffers vibration generated due to linear reciprocating movement of the gripper unit 220 may be disposed on an outer circumferential surface of the connecting rod part 244.
  • the second-1 power generated by the second dedicated motor 210 is finally transmitted to the gripper unit 220 through the second driving shaft, the belt pully part 260, the first driven shaft 241, the head part 243, and the connecting rod part 244.
  • the second-1 power is blocked from being transmitted to the gripper unit 220 by the one-way clutch bearing coupled to the spur gear part 280.
  • the gripper unit 220 may include a second driven shaft 221, an inner gripper part 223, an outer gripper part 226, the lower gripper part 229, and the like.
  • the second driven shaft 221 is driven by the second-2 power, and a second eccentric element 222 is formed on an outer circumferential surface of the second driven shaft 221. Meanwhile, a spur gear 230 engaged with the spur gear part 280 is coupled to one end of the second driven shaft 221.
  • the inner gripper part 223 As a half ring piece 224 formed at one end of the inner gripper part 223 is held on the second driven shaft 221, the inner gripper part 223 linearly and slidably reciprocates due to cam movement according to axial rotation of the second driven shaft 221, and guide protrusions 225 are formed on both side surfaces of the inner gripper part 223.
  • the inner gripper part 223 is moved downward by the opening and closing unit 240 and linearly reciprocates due to the second-2 power generated by the second dedicated motor 210 within a predetermined stroke. That is, the inner gripper part 223 vibrates.
  • a knurling plate may be formed on a lower surface of the inner gripper part 223. Grooves are repeatedly formed in a lateral or diagonal direction to have a predetermined pattern in the knurling plate.
  • the outer gripper part 226 is axially rotatably coupled to the second driven shaft 221, and the inner gripper part 223 may be accommodated in the outer gripper part 226 and may slidably enter or exit the outer gripper part 226.
  • the outer gripper part 226 may further include protrusion grooves 227 formed in an inner side surface thereof to correspond to the guide protrusions 225 and fastening holes 228 on which parts of upper surfaces are open so that an end portion of the connecting rod part 244 is axially rotatably coupled.
  • the lower gripper part 229 is disposed at a position facing a lower side of the inner gripper part 223. Meanwhile, a knurling plate is also formed on an upper surface of the lower gripper part 229.
  • the second-2 power generated by the second dedicated motor 210 is finally transmitted to the inner gripper part 223 through the second driving shaft, the spur gear part 280, and the second driven shaft 221.
  • the second-2 power is blocked from being transmitted to the opening and closing unit 240 by the one-way clutch bearing coupled to the belt pully part 260.
  • the welding module 200 may further include a cutting unit (not shown) which is moved downward in conjunction with downward movement of the opening and closing unit 240 to cut the plastic band.
  • FIGS. 6A and 6B are a set of views showing a process in which the gripper unit of FIG. 1 is opened and closed.
  • the gripper unit 220 is disposed at a predetermined inclination angle with respect to the base plate 300 (or the lower gripper part 229).
  • the gripper unit 220 is in an open state.
  • the plastic band receives the tensile force through the tension module 100
  • the second-1 power due to axial rotation of the second dedicated motor 210 is transmitted through the opening and closing unit 240.
  • the connecting rod part 244 moves the gripper unit 220 in a downward direction through axial rotation of the first driven shaft 241.
  • the connecting rod part 244 is coupled to the outer gripper part 226, and the outer gripper part 226 may be axially rotated about the second driven shaft 221 by downward pressurization so that the outer gripper part 226 may be disposed to be parallel to the lower gripper part 229 (see FIG. 6B ).
  • each of the tension module 100 and the welding module 200 is formed in units of modules, driving thereof is individually controlled. That is, the tension module 100 and the welding module 200 are completely separated and independently operated. Therefore, the productivity is improved, and the assembly efficiency is maximized.
  • the plastic band receives the tensile force having a magnitude preset by the first power generated by the first dedicated motor 110. Accordingly, the tensile force providing process is completed. Then, the welding module 200 operates for welding. A welding process is started by an operation of the opening and closing unit 240. In this process, when the connecting rod part 244 is moved downward by the second-1 power generated by the second dedicated motor 210, the gripper unit 220 in the open state (see FIG. 6A ) is switched to a closed state. Then, the gripper unit 220 linearly reciprocates due to the second-1 power generated by the second dedicated motor 210 to provide the friction force to the plastic band provided through the tension module 100. As a result, the plastic band, which overlaps itself in two layers, disposed between the inner gripper part 223 and the lower gripper part 229 is locally melted and two layers are bonded.
  • a conventional complex structure can be effectively improved by substituting motors with a new kind of motor and newly designing a designated motor that is disposed in each module.
  • an unbalance of internal weigh can be minimized to improve user convenience.
  • the present module structure can maximize productivity and assemblability, decrease a manufacturing cost of the product, and secure price competitiveness by producing and assembling a product in units of modules.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Claims (7)

  1. Structure de module interne d'un outil d'emballage à cerclage automatique, comprenant :
    un module de tension (100) dans lequel une première puissance générée par un premier moteur dédié (110) disposé sur un côté arrière est transmise à un côté avant pour fournir une force de traction à une bande de plastique d'emballage ; et
    un module de soudage (200) qui est disposé sur un côté du module de tension (100), et dans lequel une unité de préhension (220) est ouverte ou fermée par une seconde puissance -1 due à la rotation axiale dans une direction avant d'un second moteur dédié (210) disposé sur un côté arrière dans le module de soudage (200) et l'unité de préhension (220) effectue linéairement un mouvement de va-et-vient par la seconde puissance -2 due à la rotation axiale dans un sens inverse du second moteur dédié (210) pour fournir une force de frottement à la bande de plastique à laquelle la force de traction est appliquée par l'intermédiaire du module de tension (100),
    dans lequel le module de tension (100) et le module de soudage (200) sont formés dans des unités de modules et l'entraînement du module de tension (100) et du module de soudage (200) s'effectue de manière individuelle.
  2. Structure de module interne selon la revendication 1, dans laquelle le premier moteur dédié (110) et le second moteur dédié (210) comprennent un moteur plat.
  3. Structure de module interne selon la revendication 1 ou 2, dans laquelle le module de soudage (200) comprend en outre :
    une unité d'ouverture et de fermeture (240) qui est couplée à une partie supérieure de l'unité de préhension (220) et fournit un mouvement vertical à l'unité de préhension (220) pour ouvrir ou fermer l'unité de préhension (220) par une opération en fonction de la rotation axiale lorsque la seconde puissance -1 est transmise ; et
    une partie de poulie à courroie (260) qui est disposée entre le second moteur dédié (210) et l'unité d'ouverture et de fermeture (240) pour transmettre la seconde puissance -1 entre le second moteur dédié (210) et l'unité d'ouverture et de fermeture (240).
  4. Structure de module interne selon la revendication 3, dans laquelle l'unité d'ouverture et de fermeture (240) comprend :
    un premier arbre de sortie (241) qui est mené par la seconde puissance - 1 transmise par la partie de poulie à courroie (260) et a un premier élément excentrique (242) formé sur une surface circonférentielle externe ;
    une partie de tête (243) que traverse le premier arbre de sortie (241), dans laquelle le premier élément excentrique (242) entre en contact avec une surface latérale interne et qui effectue mouvement de came conformément à la rotation axiale du premier arbre de sortie (241) ; et
    une partie de tige de liaison (244) ayant une extrémité couplée à un côté inférieur de la partie de tête (243) et l'autre extrémité couplée à l'unité de préhension (220) pour déplacer verticalement l'unité de préhension (220) conformément au déplacement de la partie de tête (243).
  5. Structure de module interne selon la revendication 4, dans laquelle un élément élastique (245), qui amortit les vibrations générées par un mouvement de va-et-vient linéaire de l'unité de préhension (220), est disposé sur une surface circonférentielle externe de la partie de tige de liaison (244).
  6. Structure de module interne selon l'une quelconque revendication 1 à 5, dans laquelle l'unité de préhension (220) comprend :
    un second arbre de sortie (221) qui est mené par la seconde puissance -2 et a un second élément excentrique formé sur une surface circonférentielle externe ;
    une partie de préhension interne dans laquelle une partie de demi anneau formé à une extrémité de la partie de préhension interne est maintenue sur la second arbre de sortie (221) pour effectuer un mouvement de va-et-vient linéairement et en coulissement en raison du mouvement de came conformément à la rotation axiale du second arbre de sortie (221), et des saillies de guidage sont formées sur les deux surfaces latérales ; et
    une partie de préhension externe dont une extrémité est couplée axialement en rotation au second arbre de sortie (221), et où la partie de préhension interne est logée et entre et sort en coulissement.
  7. Structure de module interne selon la revendication 6, comprenant en outre une partie d'engrenage droit (280) disposée entre le second moteur dédié (210) et l'unité de préhension (220) pour transmettre la seconde puissance -2 entre le second moteur dédié (210) et l'unité de préhension (220).
EP21196924.1A 2021-01-18 2021-09-15 Structure du module interne d'un outil d'emballage à cerclage automatique Active EP4029795B1 (fr)

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KR1020210006584A KR102315946B1 (ko) 2021-01-18 2021-01-18 자동 스트래핑 포장용 공구의 내부 모듈 구조

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EP4029795B1 true EP4029795B1 (fr) 2023-02-22

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KR (1) KR102315946B1 (fr)

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US12397943B2 (en) 2022-11-29 2025-08-26 Samuel, Son & Co. (Usa) Inc. Handheld strapping device
KR102619916B1 (ko) * 2023-06-27 2023-12-29 장근철 사용 편의성이 향상된 자동 스트래핑 장치
CN117125297A (zh) * 2023-09-15 2023-11-28 艺达思科技（苏州）有限公司 扎带收放与张紧装置
WO2025075860A1 (fr) * 2023-10-03 2025-04-10 Signode Industrial Group Llc Dispositif de cerclage

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EP4029795A1 (fr) 2022-07-20
US20220227509A1 (en) 2022-07-21

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