WO2024028166A1 - Dispositif et procédé de raccordement de bandes de matériau continues - Google Patents

Dispositif et procédé de raccordement de bandes de matériau continues Download PDF

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Publication number
WO2024028166A1
WO2024028166A1 PCT/EP2023/070601 EP2023070601W WO2024028166A1 WO 2024028166 A1 WO2024028166 A1 WO 2024028166A1 EP 2023070601 W EP2023070601 W EP 2023070601W WO 2024028166 A1 WO2024028166 A1 WO 2024028166A1
Authority
WO
WIPO (PCT)
Prior art keywords
material web
web
suction
outgoing
new material
Prior art date
Application number
PCT/EP2023/070601
Other languages
German (de)
English (en)
Inventor
Michael Haul
Axel Henning
Arnd Meier
Matthias Horn
Original Assignee
Körber Technologies Gmbh
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 Körber Technologies Gmbh filed Critical Körber Technologies Gmbh
Publication of WO2024028166A1 publication Critical patent/WO2024028166A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • B65H19/1852—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place at a distance from the replacement roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/102—Preparing the leading end of the replacement web before splicing operation; Adhesive arrangements on leading end of replacement web; Tabs and adhesive tapes for splicing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4611—Processing webs in splicing process before splicing
    • B65H2301/46115—Processing webs in splicing process before splicing by bringing leading edge to splicing station, e.g. by chain or belt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4615—Processing webs in splicing process after splicing
    • B65H2301/4617—Processing webs in splicing process after splicing cutting webs in splicing process
    • B65H2301/46174—Processing webs in splicing process after splicing cutting webs in splicing process cutting both spliced webs separately
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/462—Form of splice
    • B65H2301/4622—Abutting article or web portions, i.e. edge to edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/4631—Adhesive tape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/34—Suction grippers
    • B65H2406/342—Suction grippers being reciprocated in a rectilinear path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/72—Fuel cell manufacture

Definitions

  • the present invention relates to a device for connecting finite material webs for the energy cell producing industry according to the preamble of claim 1 and a corresponding method according to the preamble of claim 12.
  • Energy cells or energy storage devices within the meaning of the invention are used, for example, in motor vehicles, other land vehicles, ships, aircraft or in stationary systems, such as in the form of battery cells or fuel cells, in which very large amounts of energy have to be stored over longer periods of time.
  • energy cells have a structure made of materials layered one on top of the other, which generally consist of an anode material on a conductor foil and a cathode material on a conductor foil and a separator foil, the separator foil being arranged between the anode material and the cathode material.
  • Such a material composite can be present in an energy cell in a stacked, rolled or folded arrangement.
  • the materials for the anode, cathode and separator are processed as material webs wherever possible.
  • the material webs which can be semi-finished products or intermediate products, are usually delivered as bobbins or coils or transported in this form between different systems. Bobbins inevitably have a limited track length.
  • process memories or buffer memories are known, which represent a buffer so that the connection of two material webs to achieve an endless web can be established while the further production process is operated with the material web from the buffer memory.
  • increasing production speeds in the manufacture of energy cells, such as Li-ion batteries cannot be compensated for by ever larger buffer storage, so the connection process must be carried out as quickly as possible.
  • connection points between two material webs in the endless web can be problematic in the further course of the process, so that the connection points should deviate as little as possible from the other parts of the material web.
  • a device for connecting finite material webs for the energy cells, in particular battery cells will be produced. Rende industry proposed, comprising a connecting device with at least one adhesive applicator, which is set up to connect an outgoing material web with a new material web, and a feed device, which is used to feed the outgoing material web and the new material web, each of which runs from a reel, to the connecting device is set up.
  • the connecting device comprises a first suction jaw for temporarily holding a section of the outgoing material web by means of negative pressure and a second suction jaw for temporarily holding a section of the new material web by means of negative pressure, the end of the web of the outgoing material web and the beginning of the web of the new material web by means of the
  • the first and second suction jaws can be positioned relative to one another in a target orientation, so that the end of the web and the beginning of the web can be connected to one another in the target alignment by means of the at least one adhesive applicator, the free end faces of the end of the web and the beginning of the web being arranged one behind the other in the target alignment.
  • the devices preferably have a buffer memory or process memory for the outgoing material web.
  • the buffer storage can be made smaller and/or the conveying speed of the endless material web can be increased and thus the production Production speed for the production of energy cells can be increased.
  • the proposed device is suitable for producing a so-called static splice, in which the conveying speed is temporarily reduced to zero during the production of the connection.
  • the target alignment in which the free end faces of the beginning of the new material web and the end of the outgoing material web are arranged one behind the other, makes it possible that there is no overlap of the two material webs at the connection point.
  • the amount of material applied by the adhesive is comparatively low.
  • the device is particularly suitable for comparatively thick material webs of an energy cell, for example a conductor foil coated with anode or cathode material.
  • the proposed device in particular enables a fully automatic connection process of two finite material webs for the production of energy cells, in particular batteries.
  • the beginning of the new material web and the old material web can therefore be placed directly butt-to-butt, so that there is no gap between the new and the outgoing material web, which is bridged by the connection or the adhesive.
  • the first and/or the second suction jaw can each have a contact surface on which both the end of the outgoing material web and the beginning of the new material web can come into contact.
  • the end of the outgoing material web and the beginning of the new material web can come into contact with the free end faces of the end of the web and the beginning of the web one behind the other on one of the two suction jaws in the desired orientation, whereby a corresponding connection of the material webs is possible without overlapping the material webs.
  • a sensor device is provided with which the orientation of the outgoing material web and/or the new material web can be detected, with a control device being set up to control the first and/or second suction jaw based on the information from the sensor device to align the alignment of the outgoing material web and/or the new material web.
  • the sensor device can be used to measure the orientation of the new material web relative to the device, whereby the new material web can be aligned not only to the running material web without edge offset, but in possible embodiments also to the device itself, so that the connected material web can be carried out in the most defined and consistent position possible from the device for connecting the material webs.
  • the control device can, for example, minimize the edge offset of an edge of the outgoing material web and the corresponding edge of the new material web by control.
  • the control unit which, for example, controls an actuating unit on the first and/or second jaw, can therefore preferably control or regulate the edge offset to zero.
  • a possible edge offset, ie an axial offset of the material webs, or a corresponding difference can thus be compensated for.
  • control unit can, for example, control or regulate the edge offsets on one or both edges of the material webs to an edge offset within a predetermined tolerance.
  • edge offsets on one or both edges of the material webs can be avoided by the proposed device, whereby subsequent processes in the production of energy cells can be carried out without any problems in this regard and/or can be designed with low error tolerances.
  • first and/or the second suction jaw each comprise two suction zones which can be subjected to negative pressure independently of one another.
  • the suction zones of a suction jaw are preferably separated in the area of a separating device and/or in the area of a cutting plane.
  • the separating device can be, for example, a cutting knife exhibit. In this way, after separation, the parts of the outgoing material web and/or the new material web can be fixed or not fixed independently of one another with negative pressure, thereby enabling separate handling of the individual parts.
  • a front suction zone of the first suction jaw is assigned to the part in the conveying direction of the outgoing material web
  • a rear suction zone of the first suction jaw is assigned to the part in the direction of the feed device of the outgoing material web
  • a front suction zone of the second suction jaw is assigned to the part in the conveying direction assigned to the new material web
  • a rear suction zone of the second suction jaw is assigned to the part in the direction of the feed device of the new material web.
  • the part in the conveying direction of the outgoing material web and the new material web is therefore each assigned to a front suction zone.
  • the part in the conveying direction continues to face the systems and/or machines in the product stream that are to be supplied with an endless web of material for the production of energy cells.
  • a buffer storage is provided in the conveying direction after the connecting device, for example between the connecting device and other machines and/or systems for producing energy cells.
  • the surfaces of the front and rear suction zones of each suction jaw lie in a common plane. It is further proposed that at least one separating device is provided with which the outgoing and/or the new material web can be separated into longitudinal sections.
  • a leader of the new material web can be separated with a defined cutting plane, so that a longitudinal section forms the new material web to be connected with a defined beginning of the web and a longitudinal section is the leader of the new material web, which is disposed of.
  • the cutting plane it is possible for the cutting plane to be carried out, for example, perpendicular to the edges of the material webs or alternatively, for example, at an angle not equal to 90° to the edges. Separating the material web at an angle to the path of the web can improve the flow behavior of the material web over subsequent deflection rollers.
  • the separating device can separate the outgoing material web into two longitudinal sections, with a longitudinal section having a defined web end which can be connected to the beginning of the new material web, and a longitudinal section comprising the rest of the outgoing material web which is disposed of.
  • the first suction jaw and the second suction jaw are each assigned their own separating device.
  • the at least one separating device is formed by a cutting knife, the cutting plane of which runs between the front suction zone and the rear suction zone of the first and/or the second suction jaw.
  • the at least one separating device and the at least one adhesive applicator are arranged at different positions in or against a conveying direction of the material webs, the first and the second suction jaws each being between a position assigned to the separating device and a position assigned to the adhesive applicator are movable.
  • the movement or movement of the suction jaws along the conveying direction makes it possible to move the part of the material webs intended for the connection from the separating device to the adhesive applicator, whereby the device can have a simplified structure. Furthermore, the separating device and the adhesive applicator do not compete for the same installation space in the connecting device.
  • the at least one adhesive applicator is set up to connect the end of the outgoing material web and the beginning of the new material web to one another by applying an adhesive strip.
  • the adhesive strip is preferably a one-sided adhesive strip, which can bridge the interruption between the free end faces at the beginning of the new material web and the end of the outgoing material web. There can still be several re adhesive strips can be used on one side of the material web. Furthermore, it is preferred that the new and the outgoing material web are connected on both sides by adhesive strips, which can be applied by one or more adhesive applicators.
  • the feed device comprises a first bobbin holder and a second bobbin holder.
  • a bobbin can therefore run on one bobbin holder and a bobbin can be exchanged on the other bobbin holder and prepared for a connection.
  • the first and second bobbin holders are preferably arranged on a turntable, so that the bobbin from which the material web is conveyed and runs can be held in the same position in the feed device regardless of a bobbin change and the connection of the material webs.
  • FIG. 1 shows a device for connecting material webs when separating the new material web
  • Fig. 2 shows a device for connecting material webs when moving the new material web through a suction jaw
  • FIG. 3 shows a device for connecting material webs when disposing of the leader of the new material web
  • FIG. 5 shows a device for connecting material webs when moving the outgoing material web through a suction jaw
  • FIG. 6 shows a device for connecting material webs when disposing of the remainder of the outgoing material web
  • FIG. 7 shows a device for connecting material webs with both material webs fixed on a suction jaw
  • FIG. 8 shows a device for connecting material webs when connecting with an adhesive applicator
  • 9 shows a device for connecting material webs with a one-sided connection of the material webs; 10 shows a device for connecting material webs when connecting with a second adhesive applicator;
  • Fig. 12 shows a device for connecting material webs with a connected and conveyed material web.
  • Figures 1 to 12 show schematic representations of a device 1 for connecting an outgoing material web 2 with a new material web 3 in different operating states when connecting an outgoing material web 2 with a new material web 3.
  • the outgoing material web 3 is conveyed by a bobbin 8 on a bobbin holder 22 of the feed device 7 in the conveying direction, see arrow on the outgoing material web 2.
  • another bobbin 9 is placed on a bobbin holder 23, from which a new material web 3 is unrolled, which is to be connected to the outgoing material web 2 by the device 1 for producing an endless material web 2, 3.
  • Both material webs 2, 3 are guided through the connecting device 4, which has a first and a second suction jaw 11, 12.
  • the new material web 3 can be threaded between the first and second suction jaws 11, 12 either by gravity or by an active element.
  • the outgoing material web 2 can stand still or preferably be further conveyed during this threading process of the new material web 3 become.
  • the new material web 3 is guided parallel to the outgoing material web 2.
  • the new material web 3 is held on a contact surface by means of negative pressure by the second suction jaw 12, which has a front suction zone 19 and a rear suction zone 20. Between the front suction zone 19 and the rear suction zone 20 of the second suction jaw 12, a separating device 10 cuts the fixed new material web 3.
  • the new material web 3 separated into two longitudinal sections is moved with the second suction jaw 11 in the conveying direction from the separation position to a connection position in the feed device 7.
  • the leader or leader of the new material web 3 is still held on the front suction zone 19 of the second suction jaw 12.
  • the further longitudinal section is held with the beginning 14 of the new material web 3 at the rear suction zone 20 by means of negative pressure.
  • the second suction jaw 20 has reached the position of the adhesive applicator 5 with the held web end 14 of the new material web 3.
  • the application of negative pressure to the front suction zone 19 of the second suction jaw 12 is switched off, so that the leader or leader of the new material web 3 can be disposed of, which is symbolically represented by the arrow.
  • the outgoing web 2 can be conveyed further in the conveying direction during the preparation shown in FIGS. 1 to 3 before the actual connection of the material web 2, 3, whereby the downstream production of energy cells, in particular battery cells, is continuously possible.
  • Figure 4 shows the device 1 for connecting material webs 2, 3 in an operating state in which the outgoing material web 2 is stopped to produce a static splice.
  • the outgoing material web 2 is held by the first suction jaw 11 by means of negative pressure at the front suction zone 17 and the rear suction zone 18.
  • the suction jaw 11 is in a position that is assigned to the separating device 10.
  • the separating device 10 separates the outgoing material web 2 between the front suction zone 17 and the rear suction zone 18 into two longitudinal sections, whereby a new web end 13 is created for the outgoing material web 2.
  • Subsequent processes for producing energy cells, in particular battery cells can, for example, be temporarily supplied from a buffer storage in the conveying direction behind the device 1.
  • the rest of the outgoing material web 2 can be wound back onto the bobbin 8 on the bobbin holder 23 and removed.
  • the application of negative pressure to the rear suction zone 18 of the first suction jaw 11 is canceled, which is shown in Figure 5.
  • the front suction zone 17 is still subjected to negative pressure in order to hold the outgoing material web 2 with the web end 13.
  • the first suction jaw 11 is also moved from the position assigned to the separating device 10 in the conveying direction to a position assigned to the adhesive applicator 6, which is reached in the illustration in FIG.
  • the connecting device 4 includes a sensor device 15 with which the orientation of the outgoing and/or new material web 2, 3 can be detected. Furthermore, a control device 16 is provided, which controls movement of the suction jaws 11, 12 and Control of the suction zones 17, 18, 19, 20 controls. The control device 16 converts the detection of the sensor device 15 into a corresponding movement of the suction jaws 11, 12, so that the target alignment of the outgoing material web 2 to the new material web 3 is possible.
  • the web end 13 of the outgoing material web 2 can accordingly be moved with the two suction jaws 11, 12 into a desired alignment with the web beginning 14 of the new material web 14, so that the free end faces of the web end 13 and the web beginning 14 are arranged one behind the other and there is no overlap preferably have no offset of the edges of the two material webs 2, 3 from one another.
  • FIG. 7 shows an operating state in which the web end 13 of the running material web 2 is moved from the front suction zone 17 of the first suction jaw 11 to the front suction zone 19 of the second suction jaw 12 by appropriate control of the front suction zones 17, 19 and a reduction in the distance the two suction jaws 11, 12 was handed over. Accordingly, in Figure 7, the two material webs 2, 3 with the web start 14 and the web end 13 are in a target position relative to one another and are temporarily fixed to the second suction jaw 12 by means of negative pressure.
  • the first suction jaw 11 After being transferred to the second suction jaw 12, the first suction jaw 11, as can be seen in FIG. 8, is moved back from the position assigned to the adhesive applicator 6 into the position assigned to the separating device 10.
  • the adhesive applicator 6 can therefore use an adhesive, in this advantageous embodiment Apply an adhesive strip and connect the two material strips 2, 3 in this way.
  • a material web 2, 3 connected on one side in this way can be conveyed by the reel 9 in the conveying direction, whereby the splicing process is completed with a one-sided connection of the material webs 2, 3.
  • 9 to 12 show the following operating states of the device 1 for connecting material webs 2, 3 to produce a connection on both sides.
  • the second suction jaw 12 is not subjected to negative pressure and is moved into the position which is assigned to the separating device 10.
  • a second adhesive applicator 5 can thus apply an adhesive, in particular an adhesive strip, to the not yet connected side of the two material webs 2, 3 connected on one side, which is shown in Figure 10.
  • the opposite adhesive applicator 6 can be used as a counterholder to press the connection point.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

L'invention concerne un dispositif (1) pour raccorder des bandes de matériau continues (2, 3) pour l'industrie de la production de cellules d'énergie, comprenant un dispositif de raccordement (4) doté d'au moins un applicateur d'adhésif (5, 6) qui est conçu pour raccorder une bande de matériau en défilement (2) à une nouvelle bande de matériau (3) et comprenant un dispositif d'alimentation (7) conçu pour alimenter la bande de matériau en défilement (2) et la nouvelle bande de matériau (3), chacune d'entre elles s'étendant à partir d'une bobine (8, 9), vers le dispositif de raccordement (4). Le dispositif de raccordement (2) comprend une première mâchoire d'aspiration (11) pour maintenir temporairement une section de la bande de matériau en défilement (2) au moyen d'une pression négative et une seconde mâchoire d'aspiration (12) pour maintenir temporairement une section de la nouvelle bande de matériau (3) au moyen d'une pression négative. L'extrémité (13) de la bande de matériau en défilement (2) et le début (14) de la nouvelle bande de matériau (3) peuvent être positionnés dans une orientation cible l'un par rapport à l'autre au moyen des première et seconde mâchoires d'aspiration (11, 12) de telle sorte que l'extrémité (13) et le début (14) peuvent être raccordés l'un à l'autre dans l'orientation cible au moyen du ou des applicateurs d'adhésif (5, 6). Dans l'orientation cible, les faces d'extrémité libre de l'extrémité (13) et du début (14) sont disposées l'une derrière l'autre.
PCT/EP2023/070601 2022-08-01 2023-07-25 Dispositif et procédé de raccordement de bandes de matériau continues WO2024028166A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022119211.3A DE102022119211A1 (de) 2022-08-01 2022-08-01 Vorrichtung und Verfahren zum Verbinden von endlichen Materialbahnen
DE102022119211.3 2022-08-01

Publications (1)

Publication Number Publication Date
WO2024028166A1 true WO2024028166A1 (fr) 2024-02-08

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PCT/EP2023/070601 WO2024028166A1 (fr) 2022-08-01 2023-07-25 Dispositif et procédé de raccordement de bandes de matériau continues

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DE (1) DE102022119211A1 (fr)
WO (1) WO2024028166A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101695650B1 (ko) * 2015-05-12 2017-01-12 주식회사 디에이테크놀로지 전극 필름 자동 교체 장치
KR20180069390A (ko) * 2016-12-15 2018-06-25 (주) 피토 2차전지 제조용 소재 연결장치
CN114261819A (zh) * 2022-01-06 2022-04-01 深圳市兴禾自动化股份有限公司 一种具备自动接换料功能的隔膜放卷及接换料装置
KR102390172B1 (ko) * 2020-06-03 2022-04-25 주식회사 탑 엔지니어링 연결 장치 및 이를 이용한 연결 방법

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001233514A (ja) 2000-02-23 2001-08-28 Shikoku Kakoki Co Ltd ロールフィルム接続装置およびその方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101695650B1 (ko) * 2015-05-12 2017-01-12 주식회사 디에이테크놀로지 전극 필름 자동 교체 장치
KR20180069390A (ko) * 2016-12-15 2018-06-25 (주) 피토 2차전지 제조용 소재 연결장치
KR102390172B1 (ko) * 2020-06-03 2022-04-25 주식회사 탑 엔지니어링 연결 장치 및 이를 이용한 연결 방법
CN114261819A (zh) * 2022-01-06 2022-04-01 深圳市兴禾自动化股份有限公司 一种具备自动接换料功能的隔膜放卷及接换料装置

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