WO2017133209A1 - Garniture d'étanchéité à induction électromagnétique comportant un module d'application de force, et procédé de fabrication et procédé d'étanchéification - Google Patents

Garniture d'étanchéité à induction électromagnétique comportant un module d'application de force, et procédé de fabrication et procédé d'étanchéification Download PDF

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Publication number
WO2017133209A1
WO2017133209A1 PCT/CN2016/093803 CN2016093803W WO2017133209A1 WO 2017133209 A1 WO2017133209 A1 WO 2017133209A1 CN 2016093803 W CN2016093803 W CN 2016093803W WO 2017133209 A1 WO2017133209 A1 WO 2017133209A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
electromagnetic induction
sealing gasket
film
heat
Prior art date
Application number
PCT/CN2016/093803
Other languages
English (en)
Chinese (zh)
Inventor
阮茂森
Original Assignee
广州施力包装材料有限公司
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 广州施力包装材料有限公司 filed Critical 广州施力包装材料有限公司
Publication of WO2017133209A1 publication Critical patent/WO2017133209A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties

Definitions

  • Inductive name electromagnetic induction sealing gasket with force component, manufacturing method and sealing method
  • the present invention relates to the field of sealing gaskets, and in particular to an electromagnetic induction sealing gasket, a manufacturing method and a sealing method.
  • Sealing gaskets are becoming more and more popular in various industries, such as medicines, health products, foods, condiments, cosmetics, detergents, and the like.
  • most of the industry adopts electromagnetic induction sealing gaskets, and the aluminum foil layer of the gasket is electromagnetically induced and heated by the electromagnetic induction sealing device, so that the plastic film on the contact surface between the gasket and the bottle mouth is heated and melted, and the gasket and the bottle mouth are sealed and cut off.
  • the substance in the surface of the bottle comes into contact with the air to protect the contents of the bottle.
  • the current sealing gaskets are not provided with a force component for uncovering the gasket, or the force component is not strong enough, which makes the user very inconvenient when uncovering the gasket, often using a sharp tool to cut Gaskets, thus posing a hazard.
  • An electromagnetic induction sealing gasket which is composed of a plurality of layers of materials, from the bottom to the top, a heat sealing layer, an aluminum foil layer, a heat insulating layer, a film folding layer and a film top layer, and the layers are glued together. Hehe.
  • the function of the heat seal layer is to seal the bottle mouth after being heated and melted.
  • the role of the aluminum foil layer is to generate heat after electromagnetic induction, to transfer heat to the heat seal layer, and to melt the heat seal layer to bond the bottle mouth.
  • the function of the heat insulation layer is as follows: 1. The heat of the insulating aluminum foil layer is transferred to the film folding layer and the film top layer, so as to prevent the film folding layer and the top layer of the film from being bonded to the plastic bottle cap, which affects the lid. 2. Give the heat seal layer and the aluminum foil layer a stiffness, so that the coil gasket is punched into a round shape without curling. 3. Adjust the thickness of the entire gasket by controlling the thickness of the insulation layer.
  • the effect of the film on the folded layer is: After punching the gasket, a force component can be formed.
  • the semi-circular portion of the film-folding layer that is attached to the top layer of the film becomes the force portion of the top of the gasket.
  • a film layer for enhancing the stiffness or thickness is provided between the aluminum foil layer and the heat insulating layer.
  • the material of the film-folding layer, the film top layer or the film layer is polyethylene terephthalate (PET) or polyethylene naphthalate (PEN).
  • each layer is glued to a peel strength of 2 N/10 mm or more.
  • Another object of the present invention is to provide a method for manufacturing the above-described electromagnetic induction sealing gasket, comprising the following steps: [0015] Step 1: Using a dry laminating machine to coat a film layer of a coil and bonding it to an aluminum foil layer , obtaining a first composite;
  • Step 2 The first composite obtained in step 1 is coated with a heat-sealing layer by a dry compounding machine to obtain a second composite;
  • Step 3 the film of the film and the top layer of the film are separately coated, and then bonded to the heat insulation layer to obtain a third composite;
  • Step 4 After the second composite of the roll is glued, it is bonded to the third composite to obtain an electromagnetic induction sealing gasket.
  • a further object of the present invention is to provide a method for sealing by using the above-mentioned electromagnetic induction sealing gasket, comprising the following steps: Step 1: Using a double-fold line of a film-folding layer of a coil electromagnetic induction sealing gasket as a diameter, using a circular shape The die is die cut to obtain a circular sealing gasket with a top force component;
  • Step 2 The top layer of the circular sealing gasket is placed toward the bottle cap, and then the cap with the sealing gasket is locked to the bottle mouth; finally, the electromagnetic layer is used to heat the aluminum foil layer, and heat is transferred to the heat sealing layer. , the heat seal layer is melted and bonded to the bottle mouth for sealing; after natural cooling, the lid is rotated and the force sealing member is grasped to expose the round sealing gasket.
  • the electromagnetic induction sealing gasket with the force component of the invention is compounded by a plurality of layers of materials, from bottom to top, a heat seal layer, an aluminum foil layer, a heat insulation layer, a film fold layer and a film top layer, each layer After bonding with glue, it reaches a peel strength of 2N/10mm or more.
  • the aluminum foil layer generates heat after electromagnetic induction, and transfers heat to the heat seal layer to melt the heat seal layer to seal the bottle mouth. Then, the gasket is punched according to the size of the bottle mouth. After punching, the film folds along the fold line to form a force component, and the force component can easily cover the gasket.
  • the force-inducing part formed by the sealing of the electromagnetic induction sealing gasket is formed by bonding two left and right PET films, and the gasket can be unfolded to the left or right or in any other direction, which is very strong and not easy to be broken.
  • the manufacturing method of the present invention can be integrally formed and is suitable for automated industrial production.
  • the electromagnetic induction sealing gasket is suitable for bottle sealing in the fields of medicine, health care products, food, condiments, cosmetics, detergents, etc., and completely solves the problem that the existing bottle mouth sealing gasket is difficult to be uncovered, and has a broad application prospect.
  • FIG. 1 is a schematic view showing a multilayer structure of an electromagnetic induction sealing gasket with a force component
  • FIG. 2 is a plan view of a plane of electromagnetic induction sealing gasket and punching
  • FIG. 3 is a cross-sectional view of the electromagnetic induction sealing gasket gripping member
  • FIG. 4 is an external schematic view of the force component being picked up.
  • an electromagnetic induction sealing gasket is composed of a plurality of layers of materials, and from the bottom to the top, a heat sealing layer 1, an aluminum foil layer 2, a PET film layer 3, a heat insulating layer 4, The PET film is folded over the layer 5 and the top layer 6 of the PET film, and the layers are bonded by glue 7a. The layers are glued to each other to a peel strength of 2 N/10 mm or more.
  • the method for preparing the electromagnetic induction sealing gasket comprises the following steps:
  • Step 1 using a dry multi-functional machine to coat the film layer 3 of the coil and then bonded to the aluminum foil layer 2, to obtain a first composite body 12;
  • Step 2 The first composite body 12 obtained in step 1, after being glued by a dry laminating machine and bonded to the heat seal layer 1, to obtain a second composite body 13;
  • Step 3 the film of the film folded layer 5 and the film top layer 6 respectively after being glued, and bonded to the heat insulation layer 4, to obtain a third composite body 16;
  • Step 4 After the second composite 13 of the roll is glued, it is bonded to the third composite 16 to obtain an electromagnetic induction sealing gasket 11.
  • step 1 taking the fold line of the film-folding layer 5 of the coil electromagnetic induction sealing gasket as a diameter, and punching with a circular die to obtain a belt a circular sealing gasket having a top force member 8;
  • Step 2 The top layer of the circular sealing gasket is placed toward the bottle cap, and then the cap with the sealing gasket is locked to the bottle mouth; finally, the aluminum foil layer 2 is heated by electromagnetic induction, and heat is transferred to the heat sealing. Layer 1, so that the heat seal layer 1 is melted and bonded to the bottle mouth for sealing; after natural cooling, the lid is swung and the force member 8 is grasped to uncover the round sealing gasket.
  • the cross-sectional view of the electromagnetic induction sealing gasket is shown in Figure 3; the external schematic diagram of the clamping component is shown in Figure 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne une garniture d'étanchéité à induction électromagnétique comportant un module d'application de force (8); et un procédé de fabrication et un procédé d'étanchéification. La garniture d'étanchéité à induction électromagnétique est fabriquée par combinaison de multiples couches de matériaux, dont une couche de thermosoudage (1), une couche en feuille d'aluminium (2), une couche d'isolation thermique (4), une couche de film plié (5) et une couche de film supérieure (6), disposées successivement de bas en haut, chaque couche étant liée par une colle (7a). La couche de feuille d'aluminium (2), après être chauffée par induction électromagnétique, transfère la chaleur à la couche de thermosoudage (1) dont elle assure la fusion, et permet la fixation d'une bouteille. Le module d'application de force (8), formé après soudage, est formé par liaison d'un film PET gauche et droite, et peut ouvrir la garniture vers la gauche, vers la droite, ou dans toute autre direction. Le procédé de l'invention permet de fabriquer en un seul bloc la garniture d'étanchéité à induction électromagnétique, et se prête à une production industrielle automatisée.
PCT/CN2016/093803 2016-02-01 2016-08-06 Garniture d'étanchéité à induction électromagnétique comportant un module d'application de force, et procédé de fabrication et procédé d'étanchéification WO2017133209A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610073066.2 2016-02-01
CN201610073066.2A CN105523275A (zh) 2016-02-01 2016-02-01 一种带有着力部件的电磁感应封口垫片及制造方法与封口方法

Publications (1)

Publication Number Publication Date
WO2017133209A1 true WO2017133209A1 (fr) 2017-08-10

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PCT/CN2016/093803 WO2017133209A1 (fr) 2016-02-01 2016-08-06 Garniture d'étanchéité à induction électromagnétique comportant un module d'application de force, et procédé de fabrication et procédé d'étanchéification

Country Status (2)

Country Link
CN (1) CN105523275A (fr)
WO (1) WO2017133209A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI843544B (zh) 2023-04-27 2024-05-21 超合科技有限公司 用於製作防偽電磁感應封口墊片的卷料及封口墊片

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CN105523275A (zh) * 2016-02-01 2016-04-27 广州施力包装材料有限公司 一种带有着力部件的电磁感应封口垫片及制造方法与封口方法
MY181897A (en) * 2017-08-16 2021-01-12 Lows Cap Seal Sdn Bhd Seal for a container

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US5702015A (en) * 1994-05-04 1997-12-30 Selig Sealing Products, Inc. Closure seal for container
CN201721754U (zh) * 2010-04-22 2011-01-26 鼎贞(厦门)实业有限公司 一种半圆拉瓣单片式封口垫片
US20150197385A1 (en) * 2014-01-15 2015-07-16 Seal And Pack Co., Ltd. Sealing cover having opening tap for containers and method for manufacturing the same
CN105523275A (zh) * 2016-02-01 2016-04-27 广州施力包装材料有限公司 一种带有着力部件的电磁感应封口垫片及制造方法与封口方法
CN205327758U (zh) * 2016-02-01 2016-06-22 广州施力包装材料有限公司 一种带有着力部件的电磁感应封口垫片

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI843544B (zh) 2023-04-27 2024-05-21 超合科技有限公司 用於製作防偽電磁感應封口墊片的卷料及封口墊片

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