WO2017175934A1 - Dispositif de liaison thermique à structure aérée - Google Patents

Dispositif de liaison thermique à structure aérée Download PDF

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Publication number
WO2017175934A1
WO2017175934A1 PCT/KR2016/011052 KR2016011052W WO2017175934A1 WO 2017175934 A1 WO2017175934 A1 WO 2017175934A1 KR 2016011052 W KR2016011052 W KR 2016011052W WO 2017175934 A1 WO2017175934 A1 WO 2017175934A1
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WO
WIPO (PCT)
Prior art keywords
coupled
fixed
main body
hot air
installation
Prior art date
Application number
PCT/KR2016/011052
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English (en)
Korean (ko)
Inventor
김병주
Original Assignee
(주)에어박스
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 (주)에어박스 filed Critical (주)에어박스
Priority to CN201680084250.5A priority Critical patent/CN109070485B/zh
Publication of WO2017175934A1 publication Critical patent/WO2017175934A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/103—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined direct heating both surfaces to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B29D22/02—Inflatable articles

Definitions

  • the present invention relates to an air structure fusion apparatus, and more specifically, to cover a pair of sheet edges, in particular the edge member formed on the edge of the double space paper is formed so that the receiving space for receiving air is formed inside Formed around the edge of the double space in a single process by simultaneously spraying hot air on the periphery of the edge of the double space and pressing it with a pressure roller to heat-bond the two-ply edge members formed on the edge of the double space.
  • the present invention relates to an air structure welding device capable of simultaneously sintering the edge members to simplify the work process.
  • an air structure is a pair of seats to form a space for accommodating the air inside the light weight when not used, if not in use to discharge the internal air to facilitate storage, air mattress
  • products including air sofas, water tubes, and air boats.
  • a method of thermally bonding an edge member covering a periphery of a double space sheet is performed by first applying heat to one edge member around a center to properly melt one side of any one pair of sheets.
  • the work is done in such a way that the sheet of another sheet is bonded in a state where it is properly melted by applying heat to the other side of the edge member in the same manner by pressing and bonding.
  • Patent Registration No. 10-0351614 is to fusion using a PE fusion band to the PE panel joint portion, it is possible to fusion only one side of the joint portion of the PE panel.
  • the above prior art is fusion splicing of the panel joint using a fusion band, which is inadequate for heat fusion bonding of a frame member covering the edge of a sheet such as a double space paper.
  • the present invention has been made in order to solve the above-mentioned problems, the upper and lower hot air spraying means is provided and pressurized after the hot air is sprayed on the upper and lower portions between the rim member and the double space paper covering the edge of the double space paper
  • the fusion operation of the edge member covering the edge of the double space paper is made to allow the upper and lower portions to be thermally fused at the same time so that the operation is easy and the working time can be shortened.
  • the hot air jetting means for injecting hot air is configured to be administratively adjustable, the purpose is to be able to perform the operation by freely adjusting the position of the hot air jetting means according to the working conditions and environment.
  • the hot air spraying means is configured to rotate, and the pressure roller located at the upper side is configured to be elevated so as not to perform the heat fusion operation, so as to be separated from the working position, thereby preparing a preliminary work for heat-sealing the edge member to the double space.
  • the purpose is to make it easy to perform.
  • a cover means for covering the hot air spraying means it is to prevent the operator from contacting the hot air spraying means to prevent the occurrence of a safety accident.
  • the present invention for achieving the above object, characterized in that the hot air spraying means for fusion welding the upper and lower edges of the air structure at the same time, characterized in that provided.
  • the hot air spray for spraying hot air to the upper and lower edges of the double space is provided in the main body portion, the connecting portion provided in the main body portion, the edge member supply portion is provided in the main body portion for supplying the edge member, and the connecting portion Means and configured to comprise a pressing portion for pressing the fused to the heated double space and the frame member is installed on the main body.
  • the main body portion is installed on the support frame, the upper portion of the support frame, the main body is provided with an operation plate on the upper end, and is installed on the side of the main body, characterized in that consisting of an installation frame provided with an installation support on the upper end of one side. .
  • the connecting portion is provided with a mounting member coupled to the main body side of the main body portion, coupled to the side fixed portion of the installation member is provided with a connecting member formed with a guide groove on the side, and is coupled to the guide groove of the connecting member
  • the guide member is formed with a slide member, characterized in that the binding member is coupled to the side fixed to protrude to one side of the slide member.
  • the frame member supply unit is provided with a fixing bar to protrude downward on the top of the main body of the main body, the fixing bar is provided with a seating plate provided with a protruding rod on the upper portion, the guide is coupled to the installation support of the main body to guide the frame member A member is provided.
  • the guide member is provided with a fixture fixedly coupled to the mounting support, the guide bar is coupled to the fixed fixture is provided, the cover plate is provided to be spaced apart in front of the guide bar to form a moving hole therebetween, the guide bar Incision is formed on one side of the.
  • the other side of the guide bar formed with the cutout is characterized in that the guide rod further formed in a wave shape.
  • the hot air spraying means is provided with a first rotating unit coupled to the binding member of the connecting portion, the first hot air spraying unit is installed in the first rotating unit for injecting hot air to the upper edge of the double space, and the main body installed And a second hot air spray unit installed in the support and a second hot air spray unit installed in the second pivot to spray hot air to the lower edge of the double space.
  • the first rotating part is coupled to the binding member so that one side flows, and is provided with a first and second link bars that are fixed to be spaced apart from each other, and connects the other side of the first and second link bars bound to the binding member to each other.
  • a connecting bar is provided, and the first cylinder is fixed to the first link bar, and the cylinder rod is coupled to the second link bar.
  • the first hot air spraying unit is provided with a first fixing member coupled to one side of the connection bar of the first pivot, and the other side is positioned at the side of the connection bar, and coupled to the first fixing member, And a first spray member provided with a first spray nozzle wound around a heater.
  • the second rotating part is provided with an installation member in the installation holding portion of the main body portion, a flow portion is provided to be coupled to be fixed to flow in one end portion of the installation member, is fixed to the installation member, the cylinder rod is a flow bar Characterized in that the second cylinder is coupled to be fixed to one end of the side.
  • the second hot air spraying unit is provided with a second fixing member coupled to and fixed to the other side of the flow bar in which the second cylinder of the second pivot is coupled and fixed, and is fixed to the second fixing member and heated on the upper portion.
  • the second spray member is provided with a second spray nozzle wound around the machine.
  • the cover net is further provided to cover the second hot air spray unit is fixed to the installation support of the main body.
  • the pressurizing unit includes a motor provided inside the upper end of the installation support of the main body, and is fixedly coupled to the motor shaft of the motor, and provided with a first pressure roller to be positioned outside the installation support.
  • a second pressurized roller is provided to be positioned above the first pressurized roller.
  • the third cylinder is coupled to the upper end of the installation member is provided, the upper portion is coupled to the cylinder rod of the third cylinder, characterized in that the lifting member provided with a second pressure roller is provided at the lower end.
  • the present invention configured as described above is provided with upper and lower hot air spraying means to spray hot air in the upper and lower portions between the rim member covering the edge of the double space and the double space, and then pressurized by using a pressure roller to heat-bond.
  • the fusion operation of the rim member covering the edge of the double space paper, the upper and lower parts are thermally fused at the same time to facilitate the operation, there is an effect that can reduce the working time.
  • the hot air jetting means for injecting hot air to the administrative adjustment, there is an effect that can perform the operation by freely adjusting the position of the hot air jetting means according to the working conditions and environment.
  • the hot air spraying means is configured to rotate, and the pressure roller located at the upper side is configured to be elevated so as not to perform the heat fusion operation, so as to be separated from the working position, thereby preparing a preliminary work for heat-sealing the edge member to the double space.
  • FIG. 1 is a perspective view showing an air structure welding device according to the present invention.
  • Figure 2 is a front view showing the air structure fusion device according to the present invention.
  • 3a and 3b show a connection of the present invention.
  • Figures 4a and 4b is a view showing the edge member supply portion of the present invention.
  • 5a to 5d is a view showing a hot air spraying means of the present invention.
  • FIG. 6 is a view showing a pressing portion of the present invention.
  • FIG. 7 is a view showing the working relationship of the air structure welding device according to the invention.
  • FIG. 8 is a view showing an example of an air structure produced by the air structure welding device according to the present invention.
  • FIG. 1 is a perspective view showing an air structure fusion device according to the present invention
  • Figure 2 is a front view showing an air structure fusion device according to the present invention
  • Figures 3a and 3b is a view showing a connection of the present invention
  • Figure 4a and Figure 4b is a view showing the edge member supply portion of the present invention
  • Figures 5a to 5d is a view showing the hot air spraying means of the present invention
  • 6 is a view showing a pressing unit of the present invention.
  • the air structure welding device 100 includes a main body 110, a connection part 210 installed on the main body 110, and the main body 110. And a hot air spraying means 400 installed at the edge member supply part 310 to supply the edge member 102, and installed at the connection portion 210 to inject hot air to the upper and lower edge portions of the double space 104. It is installed in the main body portion 110 is composed of a pressurizing portion 510 for pressing the double space 104 and the edge member 102 by fusion.
  • the main body 110 is provided with a support frame 112 that is seated on the ground, the upper side of the upper support frame 112 is formed in the "b" shape on the upper side of the operation plate 116 is provided
  • the main body 114 is provided.
  • an installation frame 120 is provided with an installation column 122 to protrude upward at one end of the lower end.
  • one side of the main body 114 is provided with a control unit 130 for controlling the operation of the air structure fusion device 100.
  • connection portion 210 is provided with a mounting member 212 is fixed to the upper side of the main body 114 of the main body portion 110 by fixing means such as bolts, the side of the installation member 212 is a guide groove 216 is provided with a connecting member 214 is formed.
  • the guide member 222 is formed to be coupled to the guide groove 216 of the connecting member 214 is provided with a slide member 220 is fixedly coupled to the slide movement in the horizontal direction.
  • the slide member 220 is movable in the horizontal direction along the guide groove 216 formed in the connecting member 214, so that the position of the first hot air spray unit 420 to be described below can be adjusted. After sliding the slide member 220 is fixed by the fixing means.
  • the coupling member 230 is coupled to one side of the slide member 220 by a fixing means such as a bolt, and is formed in a "-" shape, and a cutting member 230 having an incision groove 232 is formed at the top thereof so that one side is opened. do.
  • the frame member supply portion 310 is formed in a "b" shape is provided with a fixing bar 312, the upper portion of which is fixed to the upper end of the main body 114 of the main body portion 110 by fixing means such as bolts.
  • the fixing plate 312 is fixedly coupled to the lower portion of the fixing bar 312, and is provided with a seating plate 314 formed with a protruding rod 316 protruding upward to be fitted with a roll-shaped frame member 102.
  • the guide member 320 is coupled to the installation support 122 of the main body 114 to guide the edge member 102 seated on the seating plate 314 to the pressing unit 510.
  • the guide member 320 is provided with a fastener 322 coupled to the mounting support 122 by means of fastening means such as bolts, the fastener 324a is coupled to the fastener 322 is fixed to one side portion A guide bar 324 is provided, and a cover plate 326 is provided to be spaced apart from the front of the guide bar 324 to form a moving hole 328 therebetween.
  • the edge member 102 seated on the seating plate 314 is guided through the moving hole 328 formed between the guide bar 324 and the cover plate 326, and the edge member 102 to be guided is
  • the double space paper 104 is inserted into the pressing portion 510 in a state in which the double space paper 104 is inserted in the state of being folded in a “V” shape at the cutout 324a of the guide bar 324.
  • the other side of the guide bar 324 is formed with the cutout 324a is further provided with a guide rod 330 formed in a wave shape.
  • the edge member 102 seated on the seating plate 314 and moved to the guide member 320 is guided in a zigzag shape in a state of being fitted to the guide rod 330 so as to safely move to the guide member 320. do.
  • the hot air spraying unit 400 is installed in the first rotating unit 410 and the first rotating unit 410 is fixed to the binding member 230 of the connecting portion 210, the double space paper 104
  • the first rotating part 410 is provided with a first and second link bars 412a and 412b which are fixedly coupled to one side of the binding member 230 so as to be movable and spaced apart from each other.
  • the first link bar 412a is provided with a pair to correspond to each other in the width direction both sides of the binding member 230
  • the second link bar 412b is the same as the first link bar 412a binding member A pair is provided to correspond to each other in the width direction both sides of the 230.
  • connection bar 414 is provided to connect and fix the other side portions of the first and second link bars 412a and 412b coupled to and fixed to the binding member 230.
  • the first cylinder is located in the cutting groove 232 formed on one side of the binding member 230 is fixed to the first link bar 412a, the cylinder rod is coupled to the second link bar 412b 416 is provided.
  • the first and second link bars 412a are centered on the position bound to the binding member 230 while pushing the second link bar 412b while the cylinder rod is drawn out. 412b performs a rotation operation.
  • first hot air spray unit 420 is formed in a "b" shape, the bottom horizontal direction is fixedly coupled to the connecting bar 414 of the first rotating unit 410, the other side connecting bar 414
  • the first fixing member 422 is provided to be located at the side of the.
  • the first spray member 424 is fixed to the first fixing member 422, the heater 426a is installed in the first spray nozzle 426 bent in the direction of the pressing portion 510 is provided at the bottom. .
  • the first spray member 424 is connected to each other by a connecting means such as a hose so that air can be supplied from an air supply unit (not shown) separately provided to receive the hot air heated by the heater 426a. do.
  • the first spray member 424 is rotated by the operation of the first cylinder 416 of the first pivot 410 such that the first spray nozzle 426 is close to the edge of the double space 104. In this state, hot air supplied is injected through the first spray nozzle 426.
  • the second pivot 430 includes an installation member 432 installed on the installation support 122 of the main body 114, and hinges to allow the central portion to flow to one end of the installation member 432.
  • a flow bar 434 is coupled and fixed by the back fixing means.
  • the second cylinder 436 is fixed to the installation member 432, the cylinder rod is rotatably coupled to one side of the flow bar 434 is provided.
  • the flow bar 434 performs a reciprocating rotational operation about the center portion that is bound to the installation member 432.
  • the second hot air spraying unit 440 is fixedly coupled to one side of the flow bar 434 of the second pivoting unit 430, and fixedly coupled to the other side to which the cylinder rod of the second cylinder 436 is coupled and fixed.
  • the second fixing member 442 is provided.
  • the second spray member 444 is fixedly coupled to the second fixing member 442, and the heater 446a is installed on the second spray nozzle 446 that is bent in the direction of the pressing unit 510. .
  • the second spray member 444 is rotated by the operation of the second cylinder 436 of the second pivot 430 such that the second spray nozzle 446 is close to the edge of the double space 104.
  • air supplied from the air supply unit is supplied to the second spray member 444 so that hot air heated by the heater 446a is injected through the second spray nozzle 446.
  • a cover net 450 is coupled to the installation column 122 by fixing means such as bolts to cover the second hot air spray unit 440.
  • the pressing unit 510 is provided with a motor 512 inside the upper end of the mounting support 122 of the main body 110, the motor shaft of the motor 512 is fixed to protrude to the outside.
  • the first pressing roller 514 is fixedly coupled to the motor shaft of the motor 512 to be fixedly positioned to be positioned outside the installation support 122.
  • the second pressing roller 520 is provided on the installation member 212 of the connection portion 210 so as to be positioned above the first pressing roller 514.
  • the third cylinder 522 is provided at the upper end of the installation member 212, the cylinder rod of the third cylinder 522 is coupled to the upper fixed to perform the lifting operation, the second pressure roller 520 in the lower portion Elevated member 524 is provided with a fixed coupling.
  • the elevating member 524 is slidably coupled to the mounting member 212, the elevating member 524 by the operation of the third cylinder 522 to safely lift the operation according to the guide of the mounting member 212 It can be done.
  • the fusion is fixed to cover the edge portion of the double space 104 by the edge member 102.
  • Figure 8 is a view showing an air structure produced by the air structure welding device according to the present invention as an example.
  • the air structure fusion device 100 first mounts the frame member 102 on the seating plate 314 of the frame member supply unit 310, and the frame member 102 is It is formed in a roll shape so as to be seated on the protruding rod 316 of the seating plate 314.
  • the rim member 102 seated on the seating plate 314 is guided by zigzag inserted into the guide rod 330, the rim member 102 guided by the guide rod 330 is a guide bar 324 ) Is moved through the moving hole 328 formed between the cover plate 326 and at the same time bent in the direction of the pressing portion 510 at the cutout 324a formed at one end of the guide bar 324. Will be.
  • the rim member 102 passing through the moving hole 328 of the guide member 320 is bent to have a "V" shape at the incision 324a and is supplied in the direction of the pressing portion 510.
  • the edge member 102 when the edge member 102 is bent into a “V” shape and is supplied to the pressing unit 510, a double space paper is formed inside the edge member 102 that is bent into a “V” shape. After positioning the edge of the 104, the pressing portion 510 is moved between the first and second pressure rollers 514 and 520.
  • the elevating member is operated.
  • the second pressing roller 520 provided on the elevating member 524 simultaneously presses the edge member 102 and the edge of the double space 104 wrapped around the edge member 102. Done.
  • the first spraying member 424 rotates and the first spraying nozzle 426 is a double space. It is located between the upper edge of the edge 104 and the edge member 102, the second spray nozzle 444 is rotated at the same time, the second spray nozzle 446 is the lower edge of the double space 104 It is positioned between the portion and the edge member 102 in close proximity.
  • first and second spray nozzles 426 and 446 are placed in close proximity between the upper and lower edge portions of the double space 104 and the edge member 102, and the sheet is sprayed with hot air. After melting the surface of the first and second pressure rollers (514, 520) in the process of passing between the heat fusion is made.
  • the frame member 102 is supplied in a shape surrounding the edge of the double space paper 104, wherein the double space paper 104 by the hot air sprayed through the first and second injection nozzles (426, 446)
  • the finished product of the air structure is produced as shown in FIG. Will be.
  • the edge member 102 covering the edge portion of the double space 104 is heat-sealed, the edge members 102 continuously supplied to the upper and lower edge portions of the double space 104 are simultaneously heat-sealed. It is possible to shorten the working time.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

La présente invention décrit un dispositif de liaison thermique à structure aérée et, plus particulièrement, un dispositif de liaison thermique à structure aérée, le dispositif liant et recouvrant thermiquement une paire de bords de feuille configurée pour avoir un espace de confinement formé à l'intérieur de sorte que de l'air soit contenu, particulièrement les éléments formant bord formés sur les périphéries d'une feuille à espace double ; le dispositif souffle simultanément des flux d'air chaud vers les parties supérieures et inférieures des circonférences des périphéries de la feuille à espace double et les met sous pression par des rouleaux de mise sous pression, liant thermiquement ainsi les deux éléments formant bord formés sur les périphéries de la feuille à espace double ; et, en résultat, les éléments formant bord formés sur les circonférences des périphéries de la feuille à espace double sont simultanément liés thermiquement à travers un procédé unique, simplifiant de là le processus de travail. Afin d'accomplir le but ci-dessus, la présente invention est caractérisée en ce qu'elle comprend : une portion formant corps ; une portion de raccordement installée sur la portion formant corps ; une portion d'alimentation d'un élément formant bord installée sur la portion formant corps afin de fournir un élément formant bord ; un moyen de soufflage d'un écoulement d'air chaud installé sur la portion de raccordement afin de souffler des écoulements d'air chaud aux portions périphériques des extrémités supérieure et inférieure d'une feuille à espace double ; et une portion de pressurisation installée sur la portion formant corps afin de placer sous pression et de lier thermiquement la feuille chauffée à espace double et l'élément formant bord.
PCT/KR2016/011052 2016-04-04 2016-10-04 Dispositif de liaison thermique à structure aérée WO2017175934A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201680084250.5A CN109070485B (zh) 2016-04-04 2016-10-04 充气结构物熔接装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160041075A KR101803923B1 (ko) 2016-04-04 2016-04-04 공기구조물 융착장치
KR10-2016-0041075 2016-04-04

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WO2017175934A1 true WO2017175934A1 (fr) 2017-10-12

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CN (1) CN109070485B (fr)
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CN108340586A (zh) * 2018-02-19 2018-07-31 深圳高佳研机械研究设计有限公司 一种化工塑料板加工用锤击式热风焊接机
CN108501386A (zh) * 2018-02-21 2018-09-07 深圳高佳研机械研究设计有限公司 一种化工塑料板加工用热风焊接机

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CN111016185B (zh) * 2019-12-28 2024-04-26 常州市如发机械有限公司 热风熔接机及其工作方法、使用方法
CN111113909A (zh) * 2019-12-28 2020-05-08 常州市如发机械有限公司 吹风热锲及其加热方法、使用方法
CN114147975A (zh) * 2021-12-13 2022-03-08 连炜炜 拉丝布充气桨板可活动合幅热压设备
KR20240073406A (ko) * 2022-11-18 2024-05-27 주식회사 앤씰 에어 매트리스 제조용 가이드 지그 및 이를 포함하는 에어 매트리스 제조 장치

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