WO2006090693A1 - 咬合具付きテープ - Google Patents
咬合具付きテープ Download PDFInfo
- Publication number
- WO2006090693A1 WO2006090693A1 PCT/JP2006/303040 JP2006303040W WO2006090693A1 WO 2006090693 A1 WO2006090693 A1 WO 2006090693A1 JP 2006303040 W JP2006303040 W JP 2006303040W WO 2006090693 A1 WO2006090693 A1 WO 2006090693A1
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- WO
- WIPO (PCT)
- Prior art keywords
- tape
- layer
- bite
- sealing
- seal
- Prior art date
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Classifications
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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
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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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- 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
Definitions
- the present invention relates to a tape with an occlusion tool that can be opened and resealed by being disposed in an opening of a bag.
- a packaging material for packaging various articles such as foods, medicines, medical products, and miscellaneous goods
- a pair of band-shaped bites formed by male and female members and meshed with each other with respect to the opening of the bag body.
- a packaging bag is applied in which a tape with an occlusion device provided with an occlusion device is arranged so that the occlusal occlusion state can be freely opened and closed.
- a method of manufacturing a packaging bag that can freely open and close such an opening generally, after manufacturing a tape with a bite in advance, the tape with the bite is made into a bag body.
- a method of heat sealing the sealant layer of the base film is widely used.
- the sealing layer and the non-sealing layer constituting the tape with the bite have sufficient interlayer strength in the state of the tape.
- the heat sealing by the seal bar is performed. Heat is transferred to the tape through the base film, and the incompatible resin is bonded at the interface between the seal layer and the non-seal layer. Therefore, when the tape with the occlusion device peels from the seal layer and the non-seal layer, a problem arises.
- Patent Document 1 Japanese Patent Laid-Open No. 2000-287718 (Claim 1, FIG. 4)
- the articulated tape disclosed in Patent Document 1 can suppress distortion of the tape and the film for bag making during heat sealing, but delamination between the sealing layer and the non-sealing layer. This is not practical because it is not sufficient to suppress the adhesion of the non-sealing layers.
- an object of the present invention is to provide a heat seal with a sealant layer of a base film constituting a bag body, in a multi-layered tape with an occlusal device composed of a seal layer and a non-seal layer, Equipped with a bite that can prevent dissimilar layers of resin material, such as delamination of the seal layer and non-seal layer, and fusion of the non-seal layer when heat sealing multi-layered bite tape To provide a tape.
- the tape with an occlusion device according to the first invention of the present invention is a tape with an occlusion device comprising a pair of male tape and female tape provided with an occlusion device that engages with each other
- the male tape and the female tape each include a seal layer and a non-seal layer that is a part other than the seal layer and the bite, and a resin material that forms the seal layer and a resin material that forms the non-seal layer Are substantially incompatible, and a plurality of protrusions are formed on the surface of the sealing layer of the male tape and the female tape, and a plurality of protrusions are formed on the surface of the non-sealing layer of the male tape and z or the female tape. It is characterized in that a ridge is formed.
- the tape with an occlusal device of the first invention includes a seal layer and a non-seal layer that is a portion other than the seal layer and the occlusion device, and is unsealed that appears on the side where the occlusal device is arranged. It is composed of male tape and female tape containing layers, and a sealing layer for male tape and female tape A plurality of protrusions (second protrusions) are formed on the surface of the tape, and a plurality of protrusions (second protrusions) are formed on the surface of the non-seal layer of the male tape and Z or female tape. .
- the first ridge formed on the surface of the seal layer melts when the heated seal bar transfers heat through the base film during heat sealing. Since the base film is heat-sealed, the sealing strength between the base film and the base film is high! The heat and pressure applied to the concave portion present in the metal are alleviated, and deformation and distortion of the bite and delamination between the seal layer and the non-seal layer are suppressed to some extent.
- the second ridge formed on the surface of the non-seal layer laminated with the seal layer provides an appropriate space on the side of the bite of the male tape and the female tape even when heat sealing is performed.
- the contact area between the non-seal layers of the male tape and female tape can be reduced, and the heat transferred during heat sealing can be dissipated (heat dissipation effect).
- One tape with a bite (male tape) Heat and pressure applied to one of the female tape and the female tape can be prevented from being transmitted to the other (the other of the male tape and female tape) (heat insulation effect).
- the fusion of the female tape can be eliminated.
- the heat and pressure are relaxed by the concave portions existing between the first ridges in the sealing layer, so that the male tape and the female tape Therefore, it is possible to prevent delamination between the sealing layer and the non-sealing layer during heat sealing.
- the tape with a bite of the second invention of the present invention is a tape with a bite consisting of a pair of male tape and female tape provided with a bite to be engaged with each other, wherein the male tape and the female tape are sealed.
- a non-seal layer comprising a layer, a portion other than the seal layer and the occlusion device, and comprising a multi-layer structure, and a non-seal layer laminated on the seal material and the seal layer.
- the male tape and the female tape are substantially incompatible with each other, or at least one set of the resin materials laminated adjacently in the non-sealing layer is substantially incompatible.
- the tape with the biting device of the second invention has a non-seal layer having a multilayer structure with respect to the tape with the biting device of the first invention.
- the resin material constituting the seal layer and the resin material constituting the non-seal layer laminated with the seal layer are substantially the same as in the first invention.
- the first protrusion is formed on the surface of the seal layer, so that the occlusion is maintained while maintaining a high seal strength with the base film. Deformation, strain and delamination between the seal layer and the non-seal layer, or delamination within the non-seal layer composed of multiple layers can be suppressed to some extent.
- the second ridge formed on the surface of the non-seal layer laminated with the seal layer can dissipate the heat transferred during heat sealing (heat dissipation effect), and one tape with an occlusal device It is possible to prevent the heat and pressure applied to the other from being transmitted to the other (heat-insulating effect), thereby eliminating the fusion of the male tape and the female tape during heat sealing.
- the heat and pressure are relaxed by the concave portions existing between the first ridges in the sealing layer, so that the male tape and the female tape Therefore, it is possible to suitably prevent delamination between the sealing layer and the non-sealing layer or the non-sealing layer composed of multiple layers during heat sealing.
- the sealant layer of the base film constituting the bag body can be firmly heat-sealed, and the delamination of the seal layer and the non-seal layer at the time of heat sealing (or the non-layer composed of multiple layers)
- the tape with a bite of the present invention that can prevent delamination in the seal layer and fusion between non-seal layers is not only a flat bag such as a general three-side seal bag, but also a side gusset bag, etc. In case of bag making, when tape with bite cannot be fed in MD direction of base film, it is necessary to insert tape with bite in TD direction without using separator. can do.
- the tape with a bite of the present invention has a shape of ridges formed on the surface of the seal layer, It is preferable that the shape is substantially rectangular in cross-sectional view.
- the shape of the ridge (first ridge) formed on the surface of the seal layer is reduced.
- the cross-sectional view has a substantially rectangular shape, the contact area with the sealant layer of the base film to be deposited can be appropriately increased, and the seal strength can be increased.
- the articulated tape of the present invention has an installation width of the ridge formed on the surface of the seal layer of 0.5 mm or more and a height of the ridge of 0.08 mm or more.
- the total installation area of the strips is preferably 20 to 80% of the surface area of the seal layer.
- the installation width of the ridges (first ridges) formed on the surface of the seal layer is 0.5 mm or more and the height is 0.08 mm or more.
- the portion of the base film that is fused with the sealant layer can be increased, and the strength of the seal with the base film can be increased.
- the total power of the installation area of the first ridges By setting the surface area of the sealing layer to 20 to 80%, the part that comes into contact with the base film at the time of heat sealing becomes reasonably high, so the base material to be heat sealed While the seal strength with the film is excellent, the ratio of the concave portion existing between the first ridges is also moderate, and the sealing layer and non-sealing layer during heat sealing (or non-sealing composed of multiple layers) It is possible to reliably prevent delamination (delamination in the layer).
- the shape of the ridge formed on the non-sealing layer is a substantially triangular shape in a cross-sectional view.
- the shape of the ridge (second ridge) formed on the non-sealing layer is substantially triangular in a cross-sectional view.
- the contact area can be reduced, and fusion with the opposing non-sealing layer during heat sealing can be more efficiently prevented.
- the height of the ridge formed on the surface of the non-sealing layer is 0.03 mm or more.
- the height of the ridge (second ridge) formed on the surface of the non-sealing layer is 0.03 mm or more
- one of the tapes with a bite male tape and female tape
- the heat and pressure applied to one of the other is applied to the other (the other of the male and female tapes). It is possible to prevent the delamination between the sealing layer and the non-sealing layer of the tape with occlusion tool during heat sealing (a certain layer is delamination within the non-sealing layer composed of multiple layers), and a pair of occlusions It is possible to more efficiently prevent the non-seal layers of the tape with the tool from fusing together.
- the tape with an occlusion device of the present invention has a sealing strength when the combination of the substantially incompatible resin materials is laminated by heat-sealing both the resin materials as films. Even with a combination of grease materials with a width of 25NZ 15mm or less, the tape with a bite can be used for practical use without the above-mentioned problems such as delamination. In addition, by appropriately selecting the resin material having such a relationship for the sealing layer and the non-sealing layer, it is possible to give them both different characteristics and functions. This has the effect of expanding product design.
- the following conditions (i) to (iv) may be adopted (hereinafter, for the sake of convenience, one resin material is referred to as “sealing layer” and the other The force that describes the fat material as the “non-sealing layer” When the non-sealing layer is a multilayer, the “sealing layer” and the “non-sealing layer should This can be done so that it becomes a fat material).
- a seal bar is applied from the (a) side of the layer thus superposed, and a heat seal is performed under the following conditions to seal between (a) and (b).
- Sealing temperature Melting point of the resin material constituting the sealing layer + 10 ° C
- a combination with such a substantially incompatible resin material is a combination of linear low-density polyethylene (meta-octacene LLDPE) Z polypropylene (PP), Len Vinyl acetate copolymer (EVA) Z polypropylene (PP), and ethylene acetate vinyl copolymer (EVA) Z high density polyethylene (HDPE) Can be played reliably.
- metal-octacene LLDPE linear low-density polyethylene
- PP polypropylene
- EVA Len Vinyl acetate copolymer
- PP polypropylene
- EVA ethylene acetate vinyl copolymer
- HDPE high density polyethylene
- a plurality of ridges formed on the surface of the male tape and Z or the non-seal layer of the female tape Seen from the cross section in the width direction of the male tape and Z or the female tape, it is on one side with the bite as a boundary, and as seen from the cross section in the width direction of the male tape and the female tape,
- the pseudo-adhesion is not particularly limited as long as it can be easily opened by hand, but is usually (5 to 20 NZl5 mm).
- This articulated tape can prevent a defective phenomenon in which non-sealing layers are fused when heat-sealing to a film during bag making.
- the other side of the non-seal layer surface on the downstream side of the bag-making line for the tape with the bite is pseudo-adhered during heat sealing, so that the bag-making failure phenomenon caused by the tape with the bite can be prevented during bag making. , Making bags more efficient.
- the direction force perpendicular to the flow direction of the bag making line is also greatly improved in bag making efficiency when the tape with the bite is inserted when compared with the conventional tape with the bite.
- the one side of the tape with the bite is on the opening side of the bag, and the other side of the tape with the bite is opposite to the opening side of the bag. It is preferable to adhere to (the non-opening side, the side into which the contents enter).
- the non-opening side the side into which the contents enter.
- the non-opening side (contents side) of the bag has a pseudo-adhesion between the non-seal layers of the tape with the bite, but it has an adhesive force that can be easily opened by hand. Do not inhibit t.
- FIG. 1 is a cross-sectional view showing an embodiment of a tape with an articulating device of the present invention.
- FIG. 2 is a partially enlarged view of FIG.
- FIG. 3 A front view of the male tape in which the force in the seal layer direction is also seen.
- FIG. 4 A front view of the male tape also showing the non-seal layer direction force.
- FIG. 5 is a cross-sectional view showing a state where the tape with a bite of the present invention is heat-sealed to a base film.
- FIG. 1 shows a cross-sectional view of the tape with an occlusion device of the present embodiment.
- 1 is a tape with a bite
- 10 is a bite
- 11 is a male tape
- 12 is a female tape
- 111 and 121 are sealing layers
- 112 and 122 are non-sealing layers
- 113 is a head
- Reference numeral 114 denotes a connecting portion
- 123 denotes a first hook portion
- 124 denotes a second hook portion.
- FIG. 1 shows a state in which the bite 10 including the head 113 of the male tape 11 and the first hook part 123 and the second hook part 124 of the female tape 12 is bittened. A cross-sectional view is shown.
- Fig. 1 shows a cross-sectional configuration of a tape 1 with a bite including a pair of a male tape 11 and a female tape 12 made of thermoplastic resin.
- the male tape 11 is a seal layer 111 that is fused to an opening of a bag (not shown), and a non-seal layer that appears on the side where the bite 10 is disposed and is laminated with the seal layer 111. 11, and a head 113 having a cross-section of a cross section and a connecting portion 114 that connects the non-seal layer 112 and the head 113 are formed in a body.
- the female tape 12 includes a seal layer 121 that is fused to an opening of a bag (not shown), a non-seal layer 122 that is laminated with the seal layer 121, and
- the cross-section formed by connecting to the non-seal layer 122 includes a first hook part 123 and a second hook part 124 having an arc shape, and the first hook part 123 and the second hook part 124 face each other. It is formed so that.
- the head 113 and the connecting part 114 of the male tape 11 and the first hook part 123 and the second hook part 124 of the female tape 12 form the bite 10. If they bite or leave, they are opened or resealed.
- the non-seal layer 112, the head 113, and the connecting part 114 in the male tape 11 are integrally formed of the same constituent material, and the non-seal layer in the female tape 12 is also formed.
- 122, the first hook portion 123, and the second hook portion 124 are integrally formed of the same constituent material, and this configuration is shown.
- the resin material constituting the seal layers 111, 121 and the non-seal layers 112, 122 a resin material in which both layers are incompatible with each other is selected from the thermoplastic resin, and the seal layers 111, 121 A material having a higher melting point of the resin material constituting the non-sealing layers 112 and 122 may be employed than the melting point of the resin material to be formed. If the melting point of the non-sealing layer 112, 122 is not higher than the melting point of the resin material constituting the sealing layers 111, 121, the male tape 11 and the female tape 12 during heat sealing. In some cases, the surfaces on the side of the occlusion device 10 (the surfaces of the non-sealing layers 112 and 122) adhere to each other, which makes heat sealing difficult and product yield worse.
- the resin material that forms the non-seal layers 112 and 122 is higher than the melting point of the resin material that forms the seal layers 111 and 121. It is preferable to employ those having a melting point of 20 ° C or higher.
- substantially incompatible means that the resin material constituting the sealing layers 111 and 121 and the resin material constituting the non-sealing layers 112 and 122 are completely compatible with each other.
- the resin material constituting the seal layers 111 and 121 and the resin material constituting the non-seal layers 112 and 122 are laminated together as films, respectively, under predetermined conditions (the above (i) to (iv) The relationship may be slightly compatible with the combination of the resin materials whose sealing strength is 25 N / 15 mm or less when heat-sealed.
- a sealing layer 111, 121Z non-sealing layer 112, 122 force is used as a combination of the resin materials constituting the sealing layers 111, 121 and the non-sealing layers 112, 122.
- Linear low density polyethylene Metalguchisen LLDPE
- PP polypropylene
- EVA ethylene vinyl acetate copolymer
- PP polypropylene
- EVA ethylene vinyl acetate copolymer
- HDPE high density polyethylene
- the melt flow rate (MFR) of the non-sealing layers 112 and 122 constituting the tape 1 with the bite is preferably 3 to 10 gZlO, and 5 to 9 gZlO. It is particularly preferred.
- MFR of the resin material is smaller than 3 gZlO, the head 113 (and the connecting part 114) constituting the occlusal device 10 in the male tape 11 is formed integrally with the non-sealing layers 1 12 and 122.
- the extrudability of the first hook portion 123 and the second hook portion 124 constituting the articulating device 10 in the female tape 12 may deteriorate, whereas the MFR of the resin material is greater than lOg / 10 min.
- the tip of the first hook portion 123 and the second hook portion 124 of the female tape 12 can be easily closed, and the connecting portion 114 of the male tape 11 can easily fall down. Therefore, it may be difficult to extrude into a predetermined shape that can be opened and closed again.
- the surfaces of the seal layers 111 and 121 (the side heat-sealed with the sealant layer 401 of the base film 40 of FIG. 5 described later)
- a plurality of ridges (first ridges 115 and 125) are formed along the longitudinal direction of the tape 1.
- the heat and pressure are alleviated by the concave portion existing between the first ridges 115 and 125, and the male tape 11 and the female tape 12 are prevented from being excessively heated or pressurized, which will be described later.
- the interlayer between the sealing layers 111, 121 and the non-sealing layers 112, 122 at the time of heat sealing Peeling can be prevented.
- the shape of the first ridges 115 and 125 shows an aspect in which the cross-sectional view is an isosceles trapezoid.
- the first protrusions 115 and 125 formed on the surfaces of the sealing layers 111 and 121 have a substantially rectangular shape such as a rectangular shape or a square shape in cross-sectional view. This is preferable because the contact area with the sealant layer (see FIG. 5) of the base film to be attached can be appropriately increased and the sealing strength can be increased.
- first protrusions 115 and 125 may have any other shape such as a polygonal shape such as a substantially triangular shape or a substantially pentagonal shape in a cross-sectional view, or a substantially semicircular shape.
- the 12 non-sealing layers 112 and 122 are not in contact with each other, and the heat transmitted during heat sealing can be dissipated, so that the fusion of the male tape 11 and female tape 12 during heat sealing is suitably prevented. be able to.
- the second protrusions 116 and 126 have a substantially triangular shape in cross-sectional view.
- the contact area with the opposing non-sealing layers 112, 122 can be reduced, and the opposing non-sealing at the time of heat sealing.
- the fusion with the layers 112 and 122 can be prevented more efficiently.
- the cross-sectional view is a substantially square shape, a substantially rectangular shape, a substantially trapezoidal shape, a substantially polygonal shape such as a substantially pentagonal shape, and a substantially semicircular shape.
- the shape etc. can be any shape.
- Fig. 2 is a partially enlarged view of Fig. 1 (male tape 11).
- Fig. 3 is a front view of the male tape 11 as viewed in the direction of the seal layer 111.
- Fig. 4 is a diagram of the male tape.
- FIG. 6 is a front view seen from the direction of the non-seal layer 112. 2 to 4, the force illustrated by taking the male tape 11 as an example.
- the female tape 12 also adopts the same configuration.
- the first ridge 115 formed on the seal layer 111 has a height hi (Fig. 2) of 0.08 mm or more.
- the force S is preferably 0.1 to 0.3 mm or more. Particularly preferred.
- the installation width d (the surface in contact with the surface of the seal layer to be installed; the same shall apply hereinafter) of the first ridge 115 is 0.5 mm or more. It is particularly preferred that By setting the installation width d of the first ridge 115 to 0.5 mm or more, the portion of the base film that is also heat sealed can be increased in contact with the sealant layer, and the seal with the base film can be increased. Strength can be increased.
- the ratio of the first protrusion 115 to the surface of the seal layer 111 is as follows.
- the seal strength with the base film to be sealed, and the effect of suppressing delamination between the seal layer 111 and the non-seal layer 112 due to the heat radiation effect due to the recess formed between the first protrusions 115 are affected.
- the total installation area of the first ridge 115 is 20 to 80% with respect to the surface area of the seal layer 111. 40 It is particularly preferable to set it to ⁇ 60%.
- the ratio of the first ridge 115 is lower than 20%, the portion that melts at the time of heat sealing and thermally adheres to the sealant layer of the base film is reduced. The seal strength may not be increased.
- the ratio of the first ridge 115 exceeds 80%, the first ridge 115 is not provided in the seal layer 111, and the configuration becomes almost the same as that of the thicker one. The heat and pressure of the bar force are transmitted without being relaxed, and the delamination between the sealing layer 111 and the non-sealing layer 112 may occur.
- the surface area of the seal layer 111 is obtained by multiplying the tape width D and the tape 1 length shown in FIG. Further, the installation area of the first ridge 115 can be obtained by multiplying the installation width d of the first ridge 115 shown in FIGS. 1 and 3 and the length of the tape 1.
- the second protrusion 116 formed on the non-sealing layer 112 preferably has a height h2 of 0.03 mm or more, particularly preferably 0.05 mm or more.
- the upper limit of the height h2 of the second ridge is preferably 0.3 mm.
- the thickness tl of the sealing layer 111 (the portion excluding the first ridge 115) is not particularly limited, and may be about 1S 0.01 to 0.04 mm.
- the thickness t2 (the portion excluding the second ridge 116) is not particularly limited, but may be about 0.1 to 0.2 mm.
- the first protrusions formed on the thin layer 111, 121, and the thickness of the thin layer 111, 121 and the thin layer 112, 122 are 122 115, 125 and the heights hl, h2 of the second ridges 116, 126 formed on the sheath layers 112, 122, and the bite 10 force S. It is preferable to have the following formula (I): If this relationship is not satisfied, the height of one of the ridges is too high, and when the tape with the bite is fitted by hand, the position of the bite 10 becomes a partial force. (In Fig. 1, hl, h2, and tl + t2 are shown on the male tape 11, but the same applies to the female tape 12! / ⁇ ) .
- the male tape 11 constituting the articulated tape 1 having a cross-sectional configuration as shown in Fig. 1 includes a seal layer 111 on which the first ridges are formed, and a non-seal layer on which the second ridges are formed. 112, and a head portion 113 and a connecting portion 114 formed continuously with the non-sealing layer 112 can be obtained integrally by a known coextrusion molding method.
- the female tape 12 is The seal layer 121 formed with the first ridge, the non-seal layer 122 formed with the second ridge, and the first hook portion 123 and the second formed continuously with the non-seal layer 122.
- the hook portion 124 can be obtained as a single piece by a known co-extrusion molding method. If the tape 1 with the occlusion device is formed by such a coextrusion molding method, the manufacturing process can be simplified, the manufacturing cost can be reduced, and the tape 1 with the occlusion device can be manufactured continuously and stably. be able to.
- the articulated tape 1 is obtained by fusing the sealing layers 111 and 121 to the base film 40 forming a bag body (not shown) to form the base film 40 into a bag. , A packaging bag provided with the tape 1 with the bite can be obtained.
- FIG. 5 is a cross-sectional view showing a state where the tape 1 with the biting device of the present invention is heat-sealed to the base film 40.
- the tape 1 with the bite is heat-sealed with the base film 40, the first protrusions 115 and 125 formed on the surfaces of the sealing layers 111 and 121 are melted, and the base film It will be fused with 40 sealant layers 401.
- the fusing conditions in this case can be appropriately determined according to the type of resin constituting the tape 1 with the bite and the base film 40 forming the bag.
- a conventionally known bag shape for example, a four-side sealed bag, a side gusset, etc. It can be a bag, a bottom gusset bag, or the like.
- the tape 1 with the bite of the present invention cannot feed the tape with the bite in the MD direction of the base film in bag making such as a side gusset bag, and without using the separator with the tape with the bite. Even when it is necessary to insert in the TD direction, it can be suitably used.
- FIG. 5 shows a laminated film having a structure in which the sealant layer 401 is laminated on the outer layer 402 as the base film 40 that is a packaging material forming the bag body.
- a laminated film layer having a configuration in which a gas barrier layer, a light shielding layer, a strength improving layer, and the like (not shown) are laminated as an intermediate layer between the outer layer 402 and the sealant layer 401 may be used.
- the outer layer 402, the intermediate layer (not shown), and the sealant layer 401 may be formed of a single layer, or at least one of them may be a plurality of layers.
- first ridges 115, 125 are formed on the surfaces of the seal layers 111, 121.
- first protrusions 115 and 125 are melted and heat-sealed with the base film 40.
- the concave portion existing between the first ridges 115 and 125 relaxes heat and pressure, suppresses deformation and distortion of the bite 10, and seal layers 111 and 121 And delamination of the non-sealing layers 112 and 122 to some extent.
- a plurality of protrusions are formed on the surfaces of the non-sealing layers 112 and 122. Since the strips (second convex strips 116 and 126) are formed, an appropriate space can be provided on the bite 10 side of the male tape 11 and the female tape 12 even when heat sealing is performed.
- the non-seal layers 112 and 122 of the male tape 11 and the female tape 12 are not in contact with each other.
- the heat transferred during heat sealing is dissipated (heat dissipation effect) and applied to one of the male tape 11 and the female tape 12. Heat and pressure force can be prevented from being transmitted to the other of the male tape 11 or female tape 12 (heat insulation effect), so that it is possible to suitably prevent the fusion of the male tape 11 and the female tape 12 during heat sealing. it can.
- the articulated tape 1 of the present invention adopting such a configuration is disposed in an opening of a packaging bag used for packaging various articles such as food, medicine, medical supplies, and miscellaneous goods. Can be used widely.
- the present invention is not limited to the above-described embodiment, but is within a range where the object and effect of the present invention can be achieved. Needless to say, it is included in the content of the present invention. Further, the specific structure, shape and the like when carrying out the present invention are within the range where the object and effect of the present invention can be achieved, and there is no problem with other structures and shapes.
- T indicating the thickness of the tape 1 with the bite
- the rib 116 on the surface of the non-sealing layer on the other side (“the other side” in claim 9).
- 126 (a total of 14) may be eliminated, and the layers of the male tape 11 of the tape 1 with a bite and the non-seal layer surface of the other end of the heel or female tape 12 may be added with layers that are pseudo-bonded to each other.
- the non-seal layer of the male tape is polypropylene
- the non-seal layer of the male tape is high-density polyethylene
- the side on which the "T” indicating the thickness of the tape 1 with the bite is shown (the “other side” in claim 9) is the non-opening side of the bag (contents) Bonded to come to the object side. Since the surface of the non-sealing layer of the tape 1 with the biting tool that comes to the opening side of the bag has the protruding ribs 116, 126, the bag can be easily opened by hand. On the non-opening side (content side) of the bag, the non-sealing layers of the tape with bite 1 are pseudo-bonded to each other. Does not disturb.
- the non-seal layers 112 and 122 constituting the male tape 11 and the female tape 12 are single layers, and the occlusal tool 10 is physically attached to the single non-seal layers 112 and 122.
- the non-sealing layers 112 and 122 may be formed of a multilayer cover, or the innermost layer of the non-sealing layers 112 and 122 having such a multilayer structure. If the bite 10 is arranged,
- the second ridge 116. 126 is formed with the force S indicating the f row formed on the non-story layers 112, 122 of the male tape 11 and the female tape 12, and the second ridge 116. 116, 126 ⁇ , it may be formed on one of the male tape 11 and female tape 12.
- the first ridges 115 and 125 have six on each of the contents of the seal layers 111 and 121 (upper side of FIG. 1; the same applies to the following) and the opening side (lower side of FIG.
- the second protrusions 116 and 126 are formed on the contents side and the opening side of the non-sealing layers 121 and 122 respectively (14 in total).
- the number of the first ridges 115 and 125 and the number of the second ridges 116 and 126 can be arbitrarily determined.
- the substantially hook-shaped head 113 of the male tape 11 and the first hook of the female tape 12 which are the male tape 11 and the female tape 12 are connected to the tape 1 with the bite.
- the opening and resealing are performed when the part 123 and the second hook part 124 are not occluded or separated from each other.
- the shape of the bite 10 is not limited to this, and the opening and resealing is not limited to this. As long as it has a function, the shape and number of the head 113, the first hook portion 123, and the second hook portion 124 may be arbitrary.
- the seal layers 111, 121 and the first ridges 115, 125 formed on the seal layers 111, 121 are arranged in parallel, and the line layers 112, 122 and the layer layers 112, 122 are arranged.
- the second protrusions 116 and 126 to be formed are integrally formed of the same grease material.
- the sealing layers 111 and 121 and the first layers are not limited to the extent that the object and effect of the present invention are not impaired.
- the first ridges 115 and 125, the non-sealing layers 112 and 122, and the second ridges 116 and 126 may be formed of different resin materials.
- the non-seal layers 112 and 122 are laminated with the seal layers 111 and 121, and the force is shown to be integrated with the occlusion device 10.
- the occlusion device 10 on the male tape 11
- the connecting part 114 and the seal layers 111 and 121 are separately formed, and the seal layers 112 and 122 and the bite 10 are bonded and integrated with an adhesive or the like.
- An intermediate layer (not shown) is formed between the sealing layers 112 and 122, and the intermediate layer and the occlusion device are integrally formed, and the intermediate layer and the non-sealing layers 112 and 122 are laminated. No.
- the non-sealing layers 112 and 122 are formed as a single layer, and the resin material constituting the sealing layers 111 and 121 and the resin material constituting the non-sealing layers 112 and 122 are substantially the same.
- the non-sealing layer has a multilayer structure, and the resin material constituting the sealing layer and the non-sealing layer constituting the non-sealing layer laminated with the sealing layer are described. Yes, if it is practically incompatible! The effect of the present invention is also exhibited when at least one pair of the resin materials laminated adjacent to each other in the non-sealing layer is substantially incompatible.
- the first protrusion is formed on the surface of the seal layer in the same manner as in the above-described embodiment, thereby sealing the base film
- Heat and pressure applied to the concave portion existing between the ridges, which is a portion other than the first ridge of the seal layer, is maintained at a high level, and the deformation of the occlusal device is reduced. Strain and delamination between the seal layer and the non-seal layer, or delamination within the non-seal layer composed of multiple layers, can be suppressed to some extent.
- the second protrusion formed on the surface of the non-seal layer laminated with the seal layer reduces the contact area between the non-seal layers of the male tape and the female tape, and heat transmitted during heat sealing. Can be dissipated (heat dissipation effect As a result, it is possible to prevent the heat and pressure stored in one of the male and female tapes from being transmitted to the other of the male and female tapes (heat insulation effect). It is possible to eliminate the fusion of the female tape.
- the recesses existing between the first ridges in the seal layer are alleviated, the male and female tapes are prevented from being heated excessively, so the seal layer and the non-seal layer during heat sealing, or the interlayer in the non-seal layer composed of multiple layers.
- the specific structure and shape in the practice of the present invention may be other structures as long as the object of the present invention can be achieved.
- the constituent materials of the seal layer and the non-seal layer are set to a height of the seal layer (thickness 0.02 mm) as follows.
- Force O. 1 mm isosceles trapezoidal ridge (first ridge) on male and female tapes, one each, and non-seal layer (thickness 0.16 m) 06mm, 14mm of regular triangular ridges (second ridge) with an installation width of 0.15mm are arranged on the male tape and female tape respectively.
- the tape with an articulating tool of the present invention was obtained.
- the total installation width of the first ridges was 5 mm, and the installation area of the first ridges was 30% of the surface area of the seal layer.
- the thickness T of the tape 1 with the bite in the region with the bite in Fig. 1 was 1.5 mm.
- Linear low-density polyethylene (7P12A: manufactured by Tosoh Corporation, MFR 12 gZlO, melting point 93 ° C, density 900 kgZcm3) using a meta-catacene catalyst was used.
- Random polypropylene (F-744NP: manufactured by Idemitsu Kosan Co., Ltd., MFR 7gZlO, melting point 133 ° C, density 900 kgZcm3) was used.
- the shape of the first ridge formed on the seal layer on the tape with the bite obtained by the method shown in Example 1 is changed from an isosceles trapezoidal shape having a height of 0.1 mm to a height.
- a tape with an occlusion device of the present invention was obtained using the same method as in Example 1 except that the triangular shape was changed to 0.1 mm.
- the shape of the first ridge formed on the sealing layer on the tape with the bite obtained by the method shown in Example 1 is changed from an isosceles trapezoidal shape with a height of 0.1 mm.
- a tape with an occlusal device was obtained in the same manner as in Example 1 except that the shape was changed to a triangular shape of 1 mm and the second protrusion was not formed on the non-sealing layer.
- Example 2 Using the same method as in Example 1 except that the tape with the bite obtained by the method shown in Example 1 was not pressed to form the first protrusion on the seal layer. I got a tape.
- the shape of the first ridge formed on the seal layer on the tape with the bite obtained by the method shown in Example 1 is changed from an isosceles trapezoidal shape having a height of 0.1 mm to a height.
- a tape with an occlusion tool was obtained using the same method as in Example 1 except that the triangular shape was changed to 0.06 mm and the second protrusion was not formed on the non-sealing layer.
- Example 2 Using the same method as in Example 1, except that the tape with the occlusion device obtained by the method shown in Example 1 had no force to form protrusions on the sealing layer and the non-sealing layer, the occlusion device was used. With I got a tape.
- Example 2 Using the commercially available heat seal tester, the tape with the bite obtained in Example 2 and Comparative Examples 1 to 4 was sealed with a sealing pressure of 2 kgZcm2, a sealing temperature of 150 ° C, and a sealing time of 1 As a second, heat seal three times to the linear low-density polyethylene side of the base film of the following composition (by applying the seal bar twice from the male tape side and once from the female tape side), Got.
- the seal strength was measured according to the following contents.
- Nylon film (Ny) (thickness 15 m) A multilayer film (total thickness 85 m) of Z linear low density polyethylene (LLDPE) (thickness 70 m) was used as a base film.
- LLDPE linear low density polyethylene
- the heat-sealed base film and the tape with the bite were cut to a width of 15 mm to obtain a test sample, and the sample was measured with an autograph tensile tester at 180 ° peeling and 300 mmZmin.
- the evaluation was performed according to the following evaluation criteria.
- Example 1 Example 2 Example 1 Example 2 Example 3 Example 4
- the tape with an occlusion device of the present invention obtained in Example 1 and Example 2 has high sealing strength with the base film, and is non-heat-sealed. Fusion between the seal layers and delamination between the seal layer and the non-seal layer did not occur.
- Example 1 in which the shape of the first ridge is an isosceles trapezoidal shape in a cross-sectional view, the shape of the first ridge is an equilateral triangle. From Example 2, the sealing strength with the base film was excellent.
- Example 3 the sealing strength with the base film was inferior to that in Example 1, and fusion between the non-sealing layers and delamination between the sealing layer and the non-sealing layer were observed during heat sealing.
- Comparative Example 2 which did not form the first protrusion on the sealing layer, was significantly inferior to Example 1 in sealing strength with respect to the base film, and it could be used during heat sealing. The unsealed layers were not fused together, and the force was not observed. Delamination between the sealed layers and the unsealed layers was observed.
- Example 4 Compared to Example 1, Comparative Example 4 in which the seal layer and the non-seal layer did not form protrusions and was strong, the seal strength with the base film was significantly inferior to Example 1, and the heat seal Adhesion between non-seal layers and delamination between seal layers and non-seal layers It was.
- the present invention is widely used as a tape with an occlusion device that is heat-sealed at an opening of a packaging bag for packaging various articles such as foods, medicines, medical products, miscellaneous goods, and can be opened and resealed. It is out.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Making Paper Articles (AREA)
- Slide Fasteners (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/816,787 US20090300891A1 (en) | 2005-02-22 | 2006-02-21 | Tape with interlocking device |
JP2007504719A JPWO2006090693A1 (ja) | 2005-02-22 | 2006-02-21 | 咬合具付きテープ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005045969 | 2005-02-22 | ||
JP2005-045969 | 2005-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006090693A1 true WO2006090693A1 (ja) | 2006-08-31 |
Family
ID=36927334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/303040 WO2006090693A1 (ja) | 2005-02-22 | 2006-02-21 | 咬合具付きテープ |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090300891A1 (ja) |
JP (1) | JPWO2006090693A1 (ja) |
KR (1) | KR20070106012A (ja) |
CN (1) | CN100512703C (ja) |
TW (1) | TW200642921A (ja) |
WO (1) | WO2006090693A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008002355A1 (en) * | 2006-06-26 | 2008-01-03 | Illinois Tool Works Inc. | Zipper construction for enhanced sealing |
US7651271B2 (en) * | 2000-10-27 | 2010-01-26 | International Consolidated Business Pty Ltd. | Reclosable plastic bags |
JP2011200507A (ja) * | 2010-03-26 | 2011-10-13 | Idemitsu Unitech Co Ltd | チャックテープ、チャックテープ付包装袋およびその製造方法 |
EP2902335A3 (en) * | 2008-04-23 | 2015-09-09 | Reynolds Presto Products Inc. | Package closure for withstanding internal forces |
WO2021246501A1 (ja) * | 2020-06-05 | 2021-12-09 | 出光ユニテック株式会社 | ジッパーテープ、ジッパーテープ付き容器、およびジッパーテープ付き容器の製造方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5087219B2 (ja) * | 2005-11-08 | 2012-12-05 | 出光ユニテック株式会社 | 咬合具、これを用いた袋およびこれらの製造方法 |
US8550715B2 (en) * | 2010-01-19 | 2013-10-08 | Illinois Tool Works Inc. | Zipper with intermeshing flange contours cross-reference to related applications |
US8550716B2 (en) * | 2010-06-22 | 2013-10-08 | S.C. Johnson & Son, Inc. | Tactile enhancement mechanism for a closure mechanism |
FR2988701B1 (fr) * | 2012-04-03 | 2014-04-11 | S2F Flexico | Dispositif de fermeture pour sachets ou equivalents ayant un effet tactile et sonore ameliore, sachet ainsi obtenu et procede de realisation |
US11285686B2 (en) * | 2014-05-21 | 2022-03-29 | Idemitsu Unitech Co., Ltd. | Zipper tape-equipped bag body, article housing method for zipper tape-equipped bag body, manufacturing method for zipper tape-equipped bag body, and manufacturing device for zipper tape-equipped bag body |
WO2016176295A1 (en) * | 2015-04-29 | 2016-11-03 | Illinois Tool Works Inc. | Powder-resistant reclosure |
WO2019028216A1 (en) * | 2017-08-03 | 2019-02-07 | Illinois Tool Works Inc. | BAGS REFERMABLE TO THE TEST OF CHILDREN |
US11691790B2 (en) * | 2019-01-18 | 2023-07-04 | S.C. Johnson & Son, Inc. | Storage bag with improved gripping features |
US11963560B2 (en) * | 2021-01-10 | 2024-04-23 | Fung Lead Medical And Sports Co., Ltd. | Medical protective garment |
US11772849B2 (en) | 2021-06-18 | 2023-10-03 | S. C. Johnson & Son, Inc. | Closure system for pouch or container |
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JP2004196387A (ja) * | 2002-12-20 | 2004-07-15 | Ci Sanplus Co Ltd | 嵌合具 |
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US5067822A (en) * | 1989-04-24 | 1991-11-26 | Reynolds Consumer Products, Inc. | Method of forming recloseable packages, profiles used therein, and packages produced thereby |
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JP2593466Y2 (ja) * | 1992-03-25 | 1999-04-12 | ワイケイケイ株式会社 | レール状ファスナー |
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US6030122A (en) * | 1998-03-06 | 2000-02-29 | Illinois Tool Works Inc. | Pinch-grip zipper |
US6210038B1 (en) * | 1998-11-03 | 2001-04-03 | Reynolds Consumer Products, Inc. | Closure arrangement having a peelable seal indicator |
US6487758B2 (en) * | 2001-03-21 | 2002-12-03 | Eaton Corporation | Polypropylene recloseable zipper |
EP1418131A1 (en) * | 2002-11-07 | 2004-05-12 | Daiwa Gravure Co., Ltd. | Packaging bag with zipper |
EP3072828B1 (en) * | 2004-12-07 | 2018-05-16 | Idemitsu Unitech Co., Ltd. | Zipper and zipper-equipped bag |
US7540072B2 (en) * | 2006-06-26 | 2009-06-02 | Illinois Tool Works Inc. | Zipper construction for enhanced sealing |
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2006
- 2006-02-21 JP JP2007504719A patent/JPWO2006090693A1/ja active Pending
- 2006-02-21 WO PCT/JP2006/303040 patent/WO2006090693A1/ja active Application Filing
- 2006-02-21 US US11/816,787 patent/US20090300891A1/en not_active Abandoned
- 2006-02-21 CN CNB2006800055436A patent/CN100512703C/zh not_active Expired - Fee Related
- 2006-02-21 KR KR1020077019204A patent/KR20070106012A/ko not_active Application Discontinuation
- 2006-02-22 TW TW095105954A patent/TW200642921A/zh unknown
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JP2000287718A (ja) * | 1999-02-10 | 2000-10-17 | Illinois Tool Works Inc <Itw> | 再閉鎖可能ジッパー(登録商標) |
JP2004196387A (ja) * | 2002-12-20 | 2004-07-15 | Ci Sanplus Co Ltd | 嵌合具 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7651271B2 (en) * | 2000-10-27 | 2010-01-26 | International Consolidated Business Pty Ltd. | Reclosable plastic bags |
WO2008002355A1 (en) * | 2006-06-26 | 2008-01-03 | Illinois Tool Works Inc. | Zipper construction for enhanced sealing |
US7540072B2 (en) | 2006-06-26 | 2009-06-02 | Illinois Tool Works Inc. | Zipper construction for enhanced sealing |
EP2902335A3 (en) * | 2008-04-23 | 2015-09-09 | Reynolds Presto Products Inc. | Package closure for withstanding internal forces |
US11220374B2 (en) | 2008-04-23 | 2022-01-11 | Reynolds Presto Products Inc. | Package closure for withstanding internal forces |
JP2011200507A (ja) * | 2010-03-26 | 2011-10-13 | Idemitsu Unitech Co Ltd | チャックテープ、チャックテープ付包装袋およびその製造方法 |
WO2021246501A1 (ja) * | 2020-06-05 | 2021-12-09 | 出光ユニテック株式会社 | ジッパーテープ、ジッパーテープ付き容器、およびジッパーテープ付き容器の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20090300891A1 (en) | 2009-12-10 |
TW200642921A (en) | 2006-12-16 |
CN100512703C (zh) | 2009-07-15 |
JPWO2006090693A1 (ja) | 2008-07-24 |
CN101123894A (zh) | 2008-02-13 |
KR20070106012A (ko) | 2007-10-31 |
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