WO2002038459A1 - Piece de serrage plastique a curseur fortement etanche a l'air et corps de sac equipe de ladite piece de serrage - Google Patents
Piece de serrage plastique a curseur fortement etanche a l'air et corps de sac equipe de ladite piece de serrage Download PDFInfo
- Publication number
- WO2002038459A1 WO2002038459A1 PCT/JP2001/009867 JP0109867W WO0238459A1 WO 2002038459 A1 WO2002038459 A1 WO 2002038459A1 JP 0109867 W JP0109867 W JP 0109867W WO 0238459 A1 WO0238459 A1 WO 0238459A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- slider
- chuck
- plastic
- male
- female
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/26—Sliders
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- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
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- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
- B65D33/2584—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor characterized by the slider
- B65D33/2585—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor characterized by the slider being provided with tamper-indicating means
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/10—Slide fasteners with a one-piece interlocking member on each stringer tape
- A44B19/16—Interlocking member having uniform section throughout the length of the stringer
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/26—Sliders
- A44B19/267—Sliders for slide fasteners with edges of stringers having uniform section throughout the length thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/15—Bag fasteners
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/25—Zipper or required component thereof
- Y10T24/2514—Zipper or required component thereof with distinct member for sealing surfaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/25—Zipper or required component thereof
- Y10T24/2532—Zipper or required component thereof having interlocking surface with continuous cross section
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/25—Zipper or required component thereof
- Y10T24/2532—Zipper or required component thereof having interlocking surface with continuous cross section
- Y10T24/2534—Opposed interlocking surface having dissimilar cross section
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45152—Each mating member having similarly shaped, sized, and operated interlocking or intermeshable face
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45152—Each mating member having similarly shaped, sized, and operated interlocking or intermeshable face
- Y10T24/45157—Zipper-type [e.g., slider]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45152—Each mating member having similarly shaped, sized, and operated interlocking or intermeshable face
- Y10T24/45157—Zipper-type [e.g., slider]
- Y10T24/45168—Zipper-type [e.g., slider] for container [e.g., bag]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45152—Each mating member having similarly shaped, sized, and operated interlocking or intermeshable face
- Y10T24/45173—Resilient element
Definitions
- the present invention relates to a plastic chuck with a slider which has high airtightness, is easily sealed, can be easily opened, and can be resealed, and is used for packaging containers of food, medicine, electronic parts and the like.
- the present invention relates to a bag with a chuck, a plastic chuck with a slider that can detect that the bag has been opened after hermetically sealed packaging, and a bag with a chuck. Background art
- Bags with plastic chucks are often used as packaging materials for foods, medicines, electronic components, and other various products.
- Plastic chucks with sliders are often used as easy-to-open and resealable products.
- higher levels of airtightness have been required, and after sealed packaging, the package has been opened for an improper purpose or error, and foreign matter has been mixed in. Therefore, it is desirable to provide a function that can detect that the package has been opened after hermetically sealed packaging, because of such disadvantages as the quality of the contents being impaired.
- 9 to 15 show examples of conventionally known plastic chucks with a slider having high airtightness and / or an unsealing detection function.
- FIG. 10 Perspective view ' Figure 9 and its A-A' line end view ⁇
- the example shown in Figure 10 is a bag
- FIG. 12 Perspective view ' Figure 11 and its B-B' line cut end view ⁇
- the example shown in Figure 12 shows a bag with chuck with bag 9-13 and chuck 9-12 and slider 1 9_1.
- a partition film 1 1-4 with perforations 1 1-5 is set inside, and when opening for the first time, open the chuck with the slider 1 and then perforate the partition film 1 1 1 4
- the appearance and productivity are good with the method of opening 5, there is a problem that when the fine particles such as powder are the contents, the fine particles are clogged in the partition film part and smooth discharge cannot be performed.
- FIG. 13 shows a bag with a chuck with a chuck 9-12 and a slider 9-11 in a bag 9-3, and the top of the chuck with the slider in the closed position.
- This method uses spot welding (13-1) and cuts off the welded area with a slider when opening for the first time.
- FIG. 14 Perspective view ⁇ The method in Fig. 14 is to cut off a part of the upper part of the chuck 14 with perforation 14-5 etc. with the chuck 9-12 in the closed position with the bag 9-13 in the closed position. Slider 9-1 is attached, and when opening, the upper part of the chuck is cut off with a perforation.
- the method of Fig. 9 and Fig. 11 has the advantage that the airtightness of the bag can be secured by adopting a closed perforation, but the airtightness of the bag is checked by the method of Fig. 13 and Fig. 14. It cannot be used for applications that require long-term storage, such as retort foods, because it depends on the hermeticity of the product. Disclosure of the invention
- a plastic chuck with a slider having a pair of male and female claws formed on the surface of a plastic film, and a continuous tightening wall parallel to the claws inside the male claws and the inside of the female claws.
- a plastic chuck with a slider each having a continuous pressing rib parallel to the claw, an easy peeling provided in advance on at least one surface of the continuous tightening wall and the continuous pressing rib in a state where the chuck is engaged.
- the continuous tightening wall and the continuous pressing rib are bonded via the plastic layer. (Hereinafter, this is referred to as the first invention.)
- a plastic chuck with a slider in which a pair of male and female claws are formed on the surface of a plastic film and a pair of slider one guide projections provided on the opening side in parallel with the male and female claws, respectively.
- the pair of slider guide protrusions is bonded via at least one inner surface of the pair of slider one guide protrusions via an easy-peelable plastic layer in a state where the contract is made. (Hereinafter, this is referred to as the third invention.)
- a plastic chuck with a slider comprising a pair of male and female claws on the surface of a plastic film and a pair of slider guide projections provided parallel to the male and female claws on the opening side, respectively.
- a plastic chuck with a slider having a continuous tightening wall parallel to the claw inside the male claw and a continuous pressing rib parallel to the claw inside the female claw, with the chuck engaged.
- a pair of slider guide projections at least one of which is provided on the inner surface with an easily peelable plastic.
- a pair of slider guide projections are adhered via the plastic layer, and the continuous tightening wall and the continuous pressing wall are connected to the continuous tightening wall via at least one surface of the continuous pressing wall with an easy-peeling plastic layer provided at least in advance.
- the continuous pressing ribs are bonded. (Hereinafter, this is referred to as the fourth invention.)
- the pair of slider guide projections is bonded via at least one inner surface of the pair of slider guide projections via an easy-peelable plastic layer in a state where the check is engaged.
- the top of the male hook and the bottom of the female hook must be adhered to each other via at least one surface of an easily peelable plastic layer provided on at least one surface of the top of the nail and the bottom of the female hook. (Hereinafter, this is referred to as the fifth invention.)
- Fig. 1 is a cross-sectional view showing the engagement state of the sealed plastic chuck.
- Fig. 2 is a cross-sectional view showing the opened state of the sealed plastic chuck.
- Fig. 3 is an enlarged cross section of a continuous pressing rib having an easily peelable plastic layer. It is a figure.
- FIG. 4 is an enlarged sectional view of the continuous fastening wall having the easily peelable plastic layer.
- FIG. 5 is a cross-sectional view showing an agreement state of a general-purpose plastic.
- FIG. 6 is an enlarged cross-sectional view of a female claw having an easily peelable plastic layer on the bottom surface.
- FIG. 7 is an enlarged sectional view of a male claw having an easily peelable plastic layer on the top surface. .
- FIG. 8 is an enlarged cross-sectional view of a pair of slider internal projections having an easily peelable plastic layer on each surface.
- FIG. 9 is a perspective view showing an example of a known plastic chuck with a slider having a known high airtightness and / or unsealing detection function.
- FIG. 10 is an end view taken along line AA ′ of FIG.
- Figure 11 shows a slider with a well-known airtightness and / or opening detection function.
- FIG. 1 is a perspective view showing an example of a plastic chuck with a-.
- Fig. 12 is a cross-sectional end view of BB in Fig. 11.
- Figure 13 shows a slider with a known high airtightness and / or opening detection function.
- FIG. 1 is a perspective view showing an example of a plastic chuck with a-.
- Figure 14 shows a slider with a known high airtightness and / or opening detection function.
- FIG. 2 is a perspective view showing an example of a plastic chuck provided with —.
- FIG. 15 is a cross-sectional view showing an example of a slider for a sealed plastic chuck.
- A- 5 Easy peel plastic layer
- A-8 Easy peel plastic layer
- the hermetic chuck is a plastic chuck in which a pair of male and female hooks are formed on the surface of a plastic film.
- a continuous tightening wall 112 is provided inside the male hook 110 in parallel with the nail, and a female nail 1 (1) Form continuous pressing ribs 1 to 4 in parallel with the claw on the inside of (3), and adhere to the continuous tightening wall and continuous pressing ribs. It is suitable for packaging of liquids, etc., because it has little performance change due to temperature.
- G-1 and G-2 are for guiding the slider It is a protrusion.
- the inner guide 1 5 — 1 of the slider 1 has the outer guide 1 5 — 2 of the slider 1 between the projections G — 1, G — 2 for guiding the slider and the hook on the opening side of the chuck. You can open and close the chuck by sliding the outside of the chuck.
- an easy-peeling plastic layer is provided in advance on at least one surface of the continuous fastening wall and the continuous pressing rib of the sealed chuck, and in a state in which the chuck is engaged, The continuous tightening wall and the continuous pressing rib are adhered via the release plastic layer.
- FIGS. 3 and 4 are enlarged cross-sectional views of the continuous pressing rib and the continuous tightening wall, respectively.
- the easily peelable plastic layer A-1 is formed on the surface of the continuous pressing rib 114.
- an easily peelable plastic layer B_1 is provided on the surface of the continuous fastening wall 1-.
- the easily peelable plastic layer does not need to be provided on both the continuous pressing rib and the continuous fastening wall, and may be provided on only one of them. Then, in the state of agreement as shown in FIG. 1, the continuous fastening wall and the continuous pressing rib are bonded via the easily peelable plastic layer.
- FIG. 5 is a cross-sectional view showing a state of engagement of a general-purpose plastic chuck composed of a male claw 5-2 and a female claw 5-1.
- an enlarged cross-section of the female claw is shown.
- Figure ⁇ As shown in Figure 6, female claw 5-1 is provided with easy-peeling plastic layer A-5 on the bottom surface, and enlarged cross-section of male claw ⁇ Male claw 5-as shown in Figure 7
- the easily peelable plastic layer B-5 is provided on the top surface of No. 2.
- the easily peelable plastic layer need not be provided on both the bottom surface of the female claw and the top surface of the male claw, and may be provided on only one of them.
- the contract state as shown in Fig. 5, In this state, the top of the female claw and the bottom of the male claw are adhered via the easily peelable plastic layer.
- the third invention is a hermetic chuck ⁇ a protrusion for guiding a slider provided on a general-purpose plastic chuck.
- FIG. 8 is a cross-sectional view showing only the protrusion for guiding the slider.
- the protrusion G-1 has an easily peelable plastic layer A-8 on its surface
- the protrusion G-2 has an easily peelable plastic layer B on its surface. 8 are provided.
- the easily peelable plastic layer need not be provided on both protrusions, but may be provided on only one of them. Then, with the chuck engaged, the surfaces of both projections are adhered to each other via the easily peelable plastic layer.
- the fourth invention includes both aspects of the first invention and the third invention, that is, the pair of slider-one guide projections, and the continuous tightening wall and the continuous pressing rib are each made of an easily peelable plastic. It is bonded through a layer.
- the fifth invention includes both aspects of the second invention and the third invention, that is, a pair of slider-one guide projections, and a top part of the male claw and a bottom part of the female claw hook, respectively. It is bonded through an easily peelable plastic layer.
- the easily peelable plastic layer is generally a plastic layer having a peel strength of 0.6 kgf / 15 mm or less of a film heat-sealed by the measurement method described in JISZ 0 238.
- the easily peelable plastic layer provided in advance and the resin of the counterpart to be adhered to the layer (the easily peelable plastic is provided when the easily peelable plastic layer is provided on both sides in advance, and the easily peelable plastic is provided only on one side) (If the layer is provided in advance, it is the resin that constitutes the protrusion for guiding the chuck and slider.)
- the peel strength after bonding with the resin is 0.6 kgf 15 mm or less. Is suitable, and particularly preferably 0.3 kgf / 15 mm or less.
- the material forming the easily peelable plastic layer examples include polybutene, ethylene-butyl acetate copolymer, a polyethylene / polypropylene mixture, and a resin mixture containing these resins.
- the easy peeling method is superior to the cohesive peeling method in that the interfacial peeling is superior in maintaining the tightness of the chuck when opening and closing the chuck after opening.
- the heat-sealing temperature of the easily peelable plastic is lower than that of the resin forming the chuck.
- the contents are usually filled from the bottom of the bag, etc.
- the method of heat sealing (hereinafter referred to as open bottom bag) is adopted, but it is not limited to this.
- the method of bonding a part of the hack with an easily peelable plastic layer is a heat sealing using hot air nozzle.
- a heat-seal hot plate, an ultrasonic heat-seal machine, a high-frequency heat-seal machine, or the like may be appropriately selected from these depending on the properties of the easily peelable plastic.
- the color of the resin of the easily peelable plastic layer provided in advance and the resin of the mating partner to be adhered thereto If it is a stick and is provided with an easily peelable plastic layer only on one side in advance, it is the resin that constitutes the chuck and the slider guide projections).
- a function to detect that the package has been opened after packaging can be provided.
- the bonding portion becomes green when they are bonded (heat-sealed), but becomes yellow and blue after peeling, and is bonded again (heat-sealed) Since it will not return to green unless the user performs an operation, it is clearly indicated that the package has been opened.
- the easily peelable plastic layer is provided on only one side in advance, only the surface portion of the resin constituting the chuck and / or slider one guide protrusion of the mating partner is bonded. It is preferable that the color is changed because the change in color tone due to peeling can be more easily recognized.
- the method of opening the bag using the chuck adhered with the easily peelable plastic layer with the slider 1 includes the method of completely opening the chuck, including the portion adhered by the easily peelable plastic layer, with the slider 1 and the method shown in FIG.
- the present invention will be described in more detail with reference to Examples and Comparative Examples, but the present invention is not limited to these Examples.
- the female chuck (the part consisting of the female claw, the flange and the slider guide projection on the side with the female claw) is colored yellow and transparent, and the male chuck (the male hook on the side with the male claw)
- the part consisting of the claw, flange and slider-guide protrusion is colorless and transparent, and has a thickness of 10 um on the surface of the continuous tightening wall as shown in Fig.
- the flange on the opening side has a thickness of 30 O wm and is
- male and female flanges are provided with protrusions of 1.5 mm length and 0.8 mm height, respectively, and, as shown in Fig. 8, the inner surface of the protrusion on the male claw side Only a blue transparent easy-peeling plastic layer with a thickness of 10 m and a material made of a mixture of LLDPE, ethylene-vinyl acetate copolymer and polybutene with a peel strength adjusted to 0.3 lkgf / 15 mm was provided.
- a tape-shaped chuck hereafter referred to as shield chuck 1 was created in which the continuous fastening wall and the continuous pressing rib were adhered with an easily peelable plastic layer while the chuck was engaged.
- the inner surface of the laminated film was dry-laminated to form a 60-mm thick LLDPE film, a 12-m aluminum foil, and a 15-m polyamide resin film.
- 1 4 0 111 111 width 20 created by bonding the flange part with a 4 mm width heat seal and heat sealing both ends with a 4 mm width.
- Laminate two tapes each made of LLDPE and measuring 300 x mx 15 mm in width. Seal one end of the tape with a 4 mm width heat seal and the other end with the slider described above. The same material as that used to manufacture the flat bag with the bottom of the shielded check bag attached.Heat seal with a 4 mm width on the inner surface of a laminated film of the same size.
- 20 bottom-opened flat bags having a width of 140 mm and a height of 200 mm with heat sealing on three sides on both sides were prepared.
- Each of the bags prepared in Example 1 and Comparative Example 1 was filled with 700 cc of nitrogen gas having a relative humidity of 50% at a time, and the bottom was heat-sealed with a width of 4 mm so that the nitrogen gas was filled in the bags. Sealed inside. Then, of these 20 bags X 2 types of nitrogen gas-filled bags, 10 parts X 2 types were used for the initial concentration measurement, and the rest was (concentration,) room temperature, normal pressure relative humidity 5 OQ / o oxygen After standing for 100 hours in an iron box filled with gas, the oxygen concentration in the nitrogen gas in the bag was measured.
- the material is LLDPE (linear low-density polyethylene resin) and is colorless and transparent.
- the width of the chuck in the engaged state is 3.9 mm, the thickness is 2.6 mm, and the thickness of the content side flange is 300 mm. m, width: 10 mm, opening side flange: thickness: 300, 1.9 mm from female claw, male and female flanges 1.5 mm long and 0.8 mm high
- Figs. 3 and 4 on the surface of both the continuous pressing rib and the continuous fastening wall of the tape-shaped sealing zipper as shown in Figs. 1 and 2 with projections, and inside the both projections
- an easily peelable plastic layer was provided on the surface.
- Each of the easily peelable plastic layers has a thickness of 10 m, the peel strength is adjusted to 0.25 kgf / 15 mm with a mixture of LLDPE, ethylene-butyl acetate copolymer and polybutene, and is continuously pressed. Either the rib side, the continuous fastening wall side, or the inside of both projections is made yellow transparent and the other is blue transparent.
- shield chuck 12 a tape-shaped chuck
- a bottom-open flat bag with a width of 140 mm and a height of 200 mm was created in the same manner as in Example 1, and a slider was mounted on the top.
- the heat-sealed portion turned green.
- Example 2 The above-mentioned flat bag with a bottom of 140 mm ⁇ x 200 mm and a flat bottom with a slider with a slider with a height of 20 bags was prepared and the amount of oxygen permeation was measured in the same manner as in Example 1. The following results were obtained, and it was confirmed that the shield check 2 of Example 2 had the same sealing property as the heat seal of Comparative Example 1.
- the present invention has provided a chuck bag with a slider that has a function of clearly indicating tamper opening.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002541007A JPWO2002038459A1 (ja) | 2000-11-13 | 2001-11-12 | 高気密性スライダー付きプラスチックチャック及び該チャック付き袋体 |
AU2002212757A AU2002212757A1 (en) | 2000-11-13 | 2001-11-12 | Plastic chuck with highly airtight slider and bag body with the chuck |
US10/415,887 US7171730B2 (en) | 2000-11-13 | 2001-11-12 | Plastic chuck with highly airtight slider and bag body with the chuck |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-345057 | 2000-11-13 | ||
JP2000345057 | 2000-11-13 |
Publications (1)
Publication Number | Publication Date |
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WO2002038459A1 true WO2002038459A1 (fr) | 2002-05-16 |
Family
ID=18819158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/009867 WO2002038459A1 (fr) | 2000-11-13 | 2001-11-12 | Piece de serrage plastique a curseur fortement etanche a l'air et corps de sac equipe de ladite piece de serrage |
Country Status (5)
Country | Link |
---|---|
US (1) | US7171730B2 (ja) |
JP (1) | JPWO2002038459A1 (ja) |
CN (1) | CN1259222C (ja) |
AU (1) | AU2002212757A1 (ja) |
WO (1) | WO2002038459A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005048763A1 (ja) * | 2003-11-21 | 2005-06-02 | Juichi Kasai | 高気密性プラスチックチャックの製造方法および高気密性プラスチックチャック |
JP2006298487A (ja) * | 2005-04-08 | 2006-11-02 | S2F Flexico | 袋用の2材料閉鎖具 |
WO2007032093A1 (ja) * | 2005-09-13 | 2007-03-22 | Juichi Kasai | 不正開封防止機能付きプラスチックチャック、その製造方法および製造装置 |
WO2009025379A1 (ja) * | 2007-08-21 | 2009-02-26 | Toyo Seikan Kaisha, Ltd. | 注出口付きジッパーパウチ |
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- 2001-11-12 AU AU2002212757A patent/AU2002212757A1/en not_active Abandoned
- 2001-11-12 WO PCT/JP2001/009867 patent/WO2002038459A1/ja active Application Filing
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CN101342960B (zh) * | 2003-11-21 | 2012-01-04 | 葛西寿一 | 一种高气密性塑料夹头及具有该夹头的袋体 |
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CN100434010C (zh) * | 2003-11-21 | 2008-11-19 | 葛西寿一 | 高气密性塑料夹头的制造方法以及高气密性塑料夹头 |
US8302268B2 (en) | 2003-11-21 | 2012-11-06 | Juichi Kasai | Method for producing a hermetic plastic zipper and a hermetic plastic zipper |
WO2005048763A1 (ja) * | 2003-11-21 | 2005-06-02 | Juichi Kasai | 高気密性プラスチックチャックの製造方法および高気密性プラスチックチャック |
US7871481B2 (en) | 2003-11-21 | 2011-01-18 | Juichi Kasai | Method for producing a hermetic plastic zipper and a hermetic plastic zipper |
JP2006298487A (ja) * | 2005-04-08 | 2006-11-02 | S2F Flexico | 袋用の2材料閉鎖具 |
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JP2011177215A (ja) * | 2010-02-26 | 2011-09-15 | Idemitsu Unitech Co Ltd | ジッパーテープおよびジッパーテープ付包装袋 |
WO2011105168A1 (ja) * | 2010-02-26 | 2011-09-01 | 出光ユニテック株式会社 | ジッパーテープおよびジッパーテープ付包装袋 |
JP7245482B1 (ja) * | 2022-10-07 | 2023-03-24 | 牧野 郁美 | チャック付き保存袋 |
Also Published As
Publication number | Publication date |
---|---|
AU2002212757A1 (en) | 2002-05-21 |
CN1259222C (zh) | 2006-06-14 |
CN1474771A (zh) | 2004-02-11 |
US7171730B2 (en) | 2007-02-06 |
JPWO2002038459A1 (ja) | 2004-03-18 |
US20040025308A1 (en) | 2004-02-12 |
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