WO2022181737A1 - Corps de couvercle - Google Patents

Corps de couvercle Download PDF

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Publication number
WO2022181737A1
WO2022181737A1 PCT/JP2022/007764 JP2022007764W WO2022181737A1 WO 2022181737 A1 WO2022181737 A1 WO 2022181737A1 JP 2022007764 W JP2022007764 W JP 2022007764W WO 2022181737 A1 WO2022181737 A1 WO 2022181737A1
Authority
WO
WIPO (PCT)
Prior art keywords
lid
container
side wall
mouth
canopy
Prior art date
Application number
PCT/JP2022/007764
Other languages
English (en)
Japanese (ja)
Inventor
朗 高野
Original Assignee
株式会社Ky7
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 株式会社Ky7 filed Critical 株式会社Ky7
Priority to JP2023502516A priority Critical patent/JPWO2022181737A1/ja
Publication of WO2022181737A1 publication Critical patent/WO2022181737A1/fr
Priority to JP2023112006A priority patent/JP2023126959A/ja

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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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/08—Removable lids or covers having a peripheral flange fitting over the rim of the container
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Definitions

  • the present invention relates to a lid made of paper-based material.
  • Patent Document 2 discloses a top plate and a side wall installed downward around the top plate. A lid configured to close the part from the outside (for convenience, called an external fitting lid) is described.
  • the paper lids described in Patent Documents 1 and 2 do not have sufficient adhesion to the mouth of the container when the lid is closed, and there is a risk that the liquid in the container may leak out.
  • the inner fitting lid configured to be fitted inside the container body to close the container is easy to fit into the mouth of the container, but the lid is easy to come off, and moreover, the inner wall of the container and the paper lid.
  • the liquid in the container tends to leak out from between the wall surface of the container.
  • the outer fitting lid having a structure that fits into the curled portion provided on the periphery of the mouth of the container is compared to the inner fitting lid described in Patent Document 1. It is excellent in sealing the container.
  • the present invention has been made in view of the above points, and the hanging piece formed on the peripheral edge of the canopy is joined and integrated with the inner surface of the lower wall of the side wall, and is configured to close the mouth of the container from the outside.
  • the present invention (1) A lid detachably attached to the mouth of a container, the lid is formed by bending a peripheral edge of a canopy member made of a paper-based material downward to form a top surface and a hanging piece formed on its peripheral edge. and a side wall portion formed by joining both ends of a side wall member made of a paper-based material and surrounding the top surface portion of the canopy portion, the side wall portion extending from the upper end side to the lower end
  • the lid body is tapered toward the side and is joined to the hanging piece of the canopy portion on the inner surface of the side wall portion, and the top surface portion of the canopy portion is formed to rise upward.
  • the lid body of the present invention is formed by joining both ends of a side wall member made of a paper-based material, forming a tapered slant shape from the upper end to the lower end of the side wall.
  • the formed canopy portion is joined to the inner surface of the side wall portion, and is a lid body having a structure that is externally fitted to the mouth portion of the container. It fits tightly to the mouth and is excellent in sealing the container.
  • the lid body of the present invention is a lid body in which a hanging piece around the top surface portion is joined to the inner surface of the side wall portion to integrate the canopy portion and the side wall portion, and the lower portion of the side wall externally fitted to the mouth portion of the container is the side wall.
  • the lid has a structure in which the member and the hanging piece of the canopy part overlap, and the side wall part has a high strength, so the lid has a structure that does not easily deform when it is fitted to or removed from the container, but the top part is inside. Since the lid is curved upward in the direction of the container, when fitting the lid to the container, the lid is easily deformed and can be easily fitted to the mouth of the container. Since the fitting to the mouth of the container is excellent, there is very little possibility that the lid, once fitted to the container, will accidentally come off and the contents of the container will leak out. For this reason, unlike the case of a container containing hot coffee or the like, even if the internal pressure of the container becomes high, there is no risk that the lid will easily come off.
  • the lid can easily be removed because the top surface of the lid can easily be deformed against the force of removal. Therefore, even if the size of the lid is slightly smaller than the outer diameter of the mouth of the container, the lid can be easily fitted into and removed from the mouth of the container, so that a lid with high sealing performance can be provided.
  • the side wall portion is formed in a tapered and slanted shape, the stacking property of the lid is good in addition to the fitting property, and the storage and transportation of the lid can be made space-saving.
  • FIG. 3 is a perspective view showing a state in which the container is closed with the lid of the present invention
  • FIG. 2 is a longitudinal sectional view along line II-II of FIG. 1
  • FIG. 4 is an enlarged cross-sectional view of the vicinity of the fitting portion in a state where the lid is fitted into the container
  • FIG. 4 is a longitudinal sectional view of a different embodiment of the lid
  • FIG. 10 is a longitudinal sectional view of yet another embodiment of the lid
  • FIG. 10 is a longitudinal sectional view of yet another embodiment of the lid
  • FIG. 10 is a longitudinal sectional view of yet another embodiment of the lid
  • FIG. 10 is a longitudinal sectional view of yet another embodiment of the lid
  • FIG. 10 is a longitudinal sectional view of yet another embodiment of the lid
  • FIG. 10 is a longitudinal sectional view of yet another embodiment of the lid
  • FIG. 10 is a longitudinal sectional view of yet another embodiment of the lid
  • FIG. 10 is a longitudinal sectional view of yet another embodiment of the lid
  • FIG. 3 is a vertical cross-sectional view of a state in which the lid bodies of the embodiment shown in FIG. 2 are superimposed;
  • FIG. 10 is an explanatory view of action when attaching and detaching the lid to and from the container;
  • FIG. 4 is a perspective view of a lid with a label attached to an opening/closing piece;
  • FIG. 13 is a perspective view showing a state in which the opening/closing piece of the lid shown in FIG. 12 is opened;
  • FIG. 10 is a plan view of lids having different label forms;
  • FIG. 10 is a perspective view showing a lid body of an embodiment with a different label form;
  • FIG. 16 is a perspective view showing a state in which the opening/closing piece of the lid shown in FIG. 15 is opened;
  • FIG. 1 shows a state in which a lid body 1 according to one embodiment of the present invention is fitted into a container 2, and FIG.
  • the lid 1 is formed of a side wall portion 3 and a canopy portion 4 surrounded by the side wall portion 3 and integrally joined to the side wall portion 3 .
  • the side wall portion 3 joins both ends of a fan-shaped side wall member in which the length of the arc shape on the upper end side is longer than the length of the arc shape on the lower end side (the side different from the upper and lower ends of the arc shape of the side wall member).
  • the side wall portion 3 is formed in an annular shape, and the side wall portion 3 is tapered from the upper end side to the lower end side (in the direction of the mouth portion of the container 2) and is formed in an inclined shape (generally inclined in the direction of the arrow a in FIG. 2), and the canopy portion 4
  • the outer surface side of the hanging piece 6 is joined to the inner surface side of the side wall portion 3 .
  • the lower wall 8 of the side wall portion 3 is formed so that the inner dimension d2 on the lower end side is smaller than the inner dimension d1 on the upper end side.
  • a hanging piece 6 is formed on the peripheral edge of the top panel part 5 by, for example, bending the peripheral edge of a canopy member formed in a circular shape or the like downward, and the top panel part 5 extends upward toward the center. It is formed in a raised shape (in a shape in which the top surface portion 5 bulges toward the upper surface side). Further, in the lid body 1 of this embodiment, the lower end of the side wall portion 3 is folded toward the inner surface of the hanging piece 6 of the canopy portion 4 to form a folded portion 7 .
  • the lower wall 8 (the side wall portion located below the top surface portion 5) is formed by being joined to the side.
  • the inner side of the lower wall 8 of the side wall portion 3 of the lid 1 is a fitting portion 10 for fitting to the mouth portion of the container 2 (curl portion 9 in the case of the container shown in FIG. 2).
  • the side wall portion 3 tapered from the upper end to the lower end is joined to the hanging piece 6 of the canopy portion 4 in a state where the mouth of the container is sealed.
  • the opening of the container 2 is in contact with the inner surface of the lower wall 8 which is closed.
  • a curled portion 12 is formed at an upper end portion of an upper wall 11 of the side wall portion 3 (a portion of the side wall portion 3 positioned above the top surface portion 5), if necessary.
  • the top surface portion 5 of the canopy portion 4 may be provided with a drinking spout 16 having an opening/closing piece as necessary.
  • the shape and size of the mouthpiece 16 and the like are not limited to those shown in FIG. 1, and may be of any shape and size.
  • the contact portion between the mouth portion (curl portion 9) of the container 2 and the folded portion 7 of the lower end portion of the side wall portion 3 folded toward the inner surface side of the hanging piece 6 of the canopy portion 4 is It is configured to be a fitting portion 10 , and when the lid is closed, the mouth portion of the container 2 is in contact with the folded portion 7 of the side wall portion 3 of the lid body 1 .
  • the inner dimension of the lower wall 8 is smaller than the outer dimension of the container mouth, so that the fitting strength with the container mouth is increased, but the lower end of the side wall 3 is positioned inside. In the case of a lid body having a folded portion 7 that is folded back, the hardness of the lower wall 8 is high.
  • the inclination angle ⁇ of the side wall portion 3 of the lid 1 is made smaller than the inclination angle ⁇ of the side wall 2a of the container 2 (the lid 1), the fitting force of the lid 1 to the container 2 is increased, and the tightness is improved.
  • the inclination angle ⁇ of the side wall portion 3 of the lid 1 and the inclination angle ⁇ of the side wall 2a of the container 2 may be the same or different, and may satisfy ⁇ > ⁇ . By setting ⁇ , the fitting strength of the lid 1 to the container 2 is enhanced.
  • the inclination angle ⁇ of the side wall portion 3 is preferably 2.5° to 10°, more preferably 3° to 9°, and still more preferably 4.5° to 8.5°.
  • the lid body 1 of the present invention since the top surface portion 5 is formed in an upwardly curved shape, the lower wall 8 is formed by joining the side wall portion 3 and the hanging piece 6 of the canopy portion 4 to increase the strength.
  • the lid 1 can be easily deformed when the lid 1 is fitted to or removed from the container 2, so that the lid 1 can be easily fitted to or removed from the container.
  • the lid 1 having the cut 17 at the lower end of the side wall 3 allows the liquid in the container 2 to leak when the container 2 is tilted when the mouth of the container 2 containing a liquid such as a beverage is closed. It is possible to reduce the risk of coming out.
  • the lid 1 when the inner dimension of the lower end of the lid 1 is smaller than the outer dimension of the mouth of the container 2, the lid 1 is excellent in adhesion to the mouth of the container 2. , the liquid in the container 2 tends to leak out when the container 2 is tilted. In this regard, by providing the notch 17 on the lower end side of the side wall portion 3, leakage of the liquid in the container 2 can be prevented. In the case of the lid 1 provided with the mouthpiece 16 as shown in the figure, if the notch 17 is provided on the opposite side of the mouthpiece 16, leakage of the liquid in the container 2 can be effectively prevented.
  • the shape and number of the cuts 17 are not particularly limited, and the cuts 17 are not limited to being provided at one location, and may be provided at a plurality of locations.
  • the inclination angle ⁇ of the side wall portion 3 of the lid 1 may be formed so as to be the same angle over the entire side wall portion 3 or may be varied depending on the location of the side wall portion 3 .
  • the inclination angle ⁇ of the side wall portion 3 may be formed to be the same angle.
  • the cover body 1 has a shape other than a circular shape, such as a polygonal shape including a square shape such as a rectangle or square, or an elliptical shape
  • the inclination angle ⁇ of the side wall portion 3 may be changed according to the location of the side wall portion 3 .
  • the shapes of the lid 1 and the container 2 are not limited to those described above, and may be other shapes.
  • the lid body 1 of the present invention is excellent in stackability because the side wall portion 3 is formed in a slanted shape, and as shown in FIG. can be stored and transported, and storage and transport costs can be reduced.
  • the side wall portion 3 is formed in an annular or cylindrical shape by joining both ends of the side wall member, a fitting portion that contacts the mouth portion (curl portion 9) of the container 2 like the lid body 1 shown in FIG.
  • 10 is made of a part (lower wall 8) of the side wall 3, that is, when the fitting part 10 is formed so that the container mouth contacts the folded part 7 at the lower end of the side wall 3, the fitting part 10 is formed.
  • the mouth portion of the container 2 is in contact with this joint portion when the lid is closed.
  • FIG. 4 shows an aspect in which the fitting portion 10 in the shape of an annular groove is formed by pressing or the like. If the fitting portion 10 is formed between the top surface portion 5 and the ridge portion 13 as shown in FIG.
  • the protruding streak portion 13 is not limited to the case where it is formed by the difference in the degree of compression at the time of pressure pressing or the like, and may be provided by joining a separate member or the like.
  • the forming method is not limited to pressing or the like, and any method such as joining separate members to form a protruding portion can be adopted.
  • the shape and structure of the fitting portion 10 can be arbitrarily formed as long as the fitting portion 10 can be fitted to the mouth portion of the container.
  • it is not limited to the method of reducing the step by pressing. Before joining, the vicinity of the both ends is compressed so that the thickness is gradually reduced in the direction of the edge (the circumferential direction of the side wall 3), and then the both ends are joined to form the side wall 3. You can do it.
  • the lower end 8a of the lower wall 8 of the lid 1 meets the side wall 2a of the container 2 when the fitting portion 10 is fitted to the mouth portion (curl portion 9) of the container and the lid is closed. It is preferable that they are formed so as not to contact each other.
  • the lower end 8a of the lower wall 8 can be lifted by putting a finger or the like thereon, so that the lid 1 can be easily removed.
  • the joining of both ends of the side wall members for forming the side wall portions 3 and the joining of the hanging pieces 6 of the canopy portion 4 and the inner surface of the side wall portions 3 can be performed by a known joining method.
  • bonding methods include ordinary adhesives, hot-melt adhesives, two-component adhesives, heat sealing, ultrasonic bonding, and the like.
  • has heat-sealing properties it is preferable from the standpoint of production efficiency because it can be joined by heat-sealing.
  • the heat-sealing property can be imparted by laminating or coating a resin having heat-sealing property.
  • the side wall portion 3 is tapered from the upper end side to the lower end side, and the lid body 1 of the present invention is formed such that the top surface portion 5 of the canopy portion 4 is lifted upward.
  • the hanging piece 6 is formed around the top surface portion 5 by bending, the hanging piece 6 is formed at an angle smaller than the inclination angle of the side wall portion 3. More preferably, the top surface side of the top surface portion 5 and the hanging piece 6 The angle formed by the outer surface side of is 90 ° or less, more preferably less than 90 °.
  • lid body 1 of the present invention in which the top surface 5 is raised upward by designing the outer dimension of the top surface 5 to be larger than the inner dimension of the side wall 3 to which the top surface 4 is joined. can.
  • the lid body 1 of the present invention can be easily manufactured by applying the same technology as the manufacturing technology of conventional paper containers.
  • the top surface portion 5 may be formed to be lifted upward. It is preferably 1 mm or more.
  • the upper limit of the lifting degree varies depending on the size of the lid body 1, but is usually preferably 6 mm or less, more preferably 5 mm or less, and even more preferably 4 mm or less.
  • the degree of lifting means the boundary portion between the top surface of the top surface portion 5 and the hanging piece 6 in the canopy portion 4 (the lowest portion in the top surface portion 5) and the maximum height of the lifted portion of the top surface portion 5. The difference between the lower part: h.
  • the lifting height of the top panel 5 is adjusted by, for example, the inclination angle of the hanging piece 6 formed around the top panel 5, the outer dimension of the top panel 5, and the inner dimension of the side wall 3 to which the top panel 4 is joined. can be set by adjusting a combination of
  • a slurry of fiber raw materials is drawn on a net, dried or press-dried, and paper-made into a sheet.
  • So-called paper materials and open fiber raw materials such as pulverized pulp obtained by pulverizing raw material sheets made of pulp fibers etc. with a pulverizer are stacked by air flow, and the fibers of the stacked body are fixed with a binder.
  • the obtained so-called air-laid sheet and the like, and those obtained by laminating a plurality of these sheets, and the like can be mentioned.
  • a so-called transparent paper made of cellulose nanofibers (cellulose microfibrils) can also be used.
  • the paper-based material may be made of pulp alone, or may include fibers such as non-pulp fibers, synthetic fibers, and regenerated fibers, but natural fibers other than pulp and naturally degradable fibers are preferable. It preferably contains 50% by mass or more of pulp, more preferably 70% by mass or more, more preferably 80% by mass or more, and particularly preferably 100% by mass of pulp.
  • the paper-based material can be a synthetic resin or natural resin film or non-woven fabric, a wood-based material such as wood foil, or a composite material with a material such as aluminum foil. It is preferable that the total content of pulp, natural fiber, naturally degradable resin, etc. is 50% by mass or more, and that containing 80% by mass or more of pulp is particularly preferable. The higher the content of naturally degradable components such as pulp, the easier it is for the paper-based material to biodegrade, which is preferable. In particular, it is preferable that the pulp content is 95% by mass or more.
  • Pulp includes those obtained from wood pulp, non-wood pulp, waste paper pulp, and the like. Pulp includes softwood pulp such as red pine, Todomatsu, Ezo pine, Douglas fir, hemlock, and spruce; hardwood pulp such as beech, oak, birch, eucalyptus, poplar, and alder; wood pulp such as a mixture of softwood and hardwood pulp; , bagasse pulp, bamboo pulp, cereal pulp, straw pulp, abaca pulp, non-wood pulp such as cotton pulp, waste paper pulp, and the like can be used. Since softwood pulp has a longer fiber length than hardwood pulp, paper materials using pulp with a long fiber length such as softwood pulp have a higher degree of entanglement between fibers. The pulverized pulp also has a longer fiber length than the pulverized pulp obtained by pulverizing a raw material sheet made of hardwood pulp, so the entanglement of the fibers improves the strength of the paper-based material.
  • softwood pulp such as red pine, Todomatsu,
  • the paper-based material has water resistance, and a material such as water-resistant paper that has been given water resistance in advance may be used. good.
  • the coat layer can be provided by adhering a film or applying a coating agent, but is preferably provided by applying a coating agent.
  • the coating layer is made of polyvinyl chloride, polyvinylidene chloride, polyurethane, polyethylene terephthalate, olefin resins such as polyethylene and polypropylene, polyvinyl alcohol, acrylic resins such as polyacrylic acid, polymethacrylic acid, and acrylonitrile-butadiene-styrene copolymer.
  • biodegradable resins such as phosphate resins, modified polyethylene terephthalate, polyglycolic acid, starch resins, and biodegradable urethane resins are preferable because they improve natural degradability.
  • those having a basis weight of about 150 to 400 g/m 2 can be used, but those having a weight per unit area of 160 to 360 g/m 2 are more preferable, and those having a basis weight of 170 to 350 g/m 2 are more preferable. is more preferred.
  • FIG. 6 shows a different embodiment of the lid 1 of the present invention.
  • the folded portion 7 at the lower end of the side wall portion 3 is formed short, and the tip portion of the folded portion 7 and the canopy portion A fitting portion 10 is formed between the hanging piece 6 of 4 and the hanging piece 6 .
  • the fitting portion 10 in the lid body 1 of this form is formed between the tip portion of the folded portion 7 and the surface of the hanging piece 6 , and when the lid is closed, the curled portion 9 of the container opening is positioned on the inner surface of the hanging piece 6 , and is in contact with the tip portion of the folded portion 7 .
  • the fitting portion 10 may be formed in the shape of a concave groove by pressing the inner surface of the hanging piece 6 (not shown).
  • the lid 1 shown in FIG. 6 is configured such that the container opening (curl portion 9) is in contact with the inner surface of the hanging piece 6 of the canopy portion 4 when the lid is closed.
  • FIG. 7 shows an example in which the lid body 1 of the form shown in FIG. indicates When such a surrounding bulging line portion 14 is provided along the periphery of the upper surface side of the top surface portion 5, a drink such as coffee in the container can be drunk from a drinking port (not shown) provided on the lid body 1. In this case, the leftover beverage is likely to return into the container through the mouthpiece, and the risk of the beverage accumulating on the peripheral portion of the top surface portion 5 is reduced. Also in the lid body 1 of this embodiment, the fitting portion 10 may be formed into a concave groove by pressing or the like. In addition to the lid body of the present embodiment (for example, the lid body shown in FIGS.
  • the lifting degree h of the top surface portion 5 is the height at the boundary between the top surface portion 5 and the rising portion of the bulging streak portion 14 as shown in FIG. is the difference between height and
  • the bulging streak portion 14 is provided at the boundary portion between the side wall portion 3 and the top surface portion 5 , a slight gap may be formed between the bulging streak portion 14 and the side wall portion 3 .
  • the lid body 1 of the present invention does not have a folded portion 7 at the lower end of the side wall portion 3, and the outer surface side of the hanging piece 6 of the canopy portion 4 is joined to the inner surface side of the side wall portion 3.
  • recessed grooves are formed on the surface of the hanging piece 6 by pressing or the like.
  • a bulge 15 may be formed in the .
  • the fitting portion 10 can be configured in any form as long as it can be made to fit.
  • the mouth portion of the container 2 is in contact only with the surface of the hanging piece 6 of the canopy portion 4 when the lid is closed, and has no contact with the side wall portion 3.
  • the lid 1 shown in FIGS. The airtightness is high, and the airtightness is further improved by increasing the smoothness by press-pressing the inner surface side of the hanging piece 6 or the like.
  • the side wall portion 3 and the canopy portion 4 in the lid body 1 of the present invention may be formed using the same paper-based material or different paper-based materials, but the manufacturing cost is reduced. It is preferable to use the same paper-based material from above.
  • the lid body 1 of the present invention is used as a lid for a beverage container such as coffee
  • the top surface portion 5 may be provided with a drinking opening (not shown).
  • a window made of a transparent or translucent film or sheet such as synthetic resin, cellophane paper, paraffin paper, glassine paper, parchment paper, or the like may be provided on the top panel 5 so that the contents can be visually checked.
  • the lid body 1 of the present invention is not limited to a container having an inclined side wall 2a such as a coffee cup or cup noodle container, but may be a cylindrical container such as a nut can.
  • the lid 1 of the present invention can be used for various containers such as paper containers, plastic containers, plastic foam containers, and metal cans, and is not limited to containers for storing liquids, and can be used for various foodstuffs such as side dishes and lunch boxes. It can also be used as a lid for a container, a storage container for dry food, or a non-food container.
  • the side wall portion 3 has the upper wall 11 protruding toward the upper surface side around the top surface portion 5, but the side wall portion 3 does not necessarily have the upper wall 11. Also good.
  • the upper end of the side wall portion 3 may be configured to be substantially flush with the top surface portion 5, but when used as a lid for a beverage container, an upper wall protruding from the upper surface of the top surface portion 5 may be formed. is preferred.
  • the side wall portion 3 may not have the curled portion 12 on the upper end side.
  • a bent portion formed by bending the upper end portion of the side wall portion 3 outward or inward may be provided. You can set it.
  • the lid body 1 When the lid body 1 is used as a lid body for a container containing a beverage such as coffee, it should have a curled portion 12 or a bent portion when the upper end portion of the side wall portion of the lid body is touched when drinking the beverage.
  • the content of the container is a liquid beverage such as coffee, the mouthfeel of the beverage is improved.
  • the lid body 1 of each embodiment described above the case where the top surface portion 5 is formed in a circular shape is shown, but the lid body 1 of the present invention can be formed in an arbitrary shape such as an elliptical shape or a rectangular shape.
  • the container 2 provided with the curled portion 9 at the mouth portion was used, but the lid 1 of the present invention can be applied not only to containers having the curled portion 9,
  • the shape of the opening of a container to which the lid 1 of the present invention can be applied is arbitrary.
  • a knob for opening/closing the opening/closing piece 16a is provided.
  • the operation of pulling down (closing the drinking spout 16) can be easily and hygienically pulled up.
  • a method of providing the knob for example, as shown in FIG.
  • one end portion 18a of the label 18 is provided as a joint portion with the opening/closing piece 16a, and a knob portion 19 is formed on the other end portion 18b of the label 18, which is the free end side.
  • a holding portion 20 is cut into the label 18, and a holding receiving portion 21 of the holding portion 20 is cut into the top surface portion 5.
  • any method for joining one end of the label 18 to the opening/closing piece 16a any method such as adhesive bonding, heat sealing bonding, ultrasonic bonding, high frequency bonding, or the like can be adopted.
  • FIG. 12 to 16 show the lid 1 in which the curled portion 12 is not formed on the upper wall 11 of the side wall portion 3, but the curled portion 12 is formed on the upper wall 11 as described above.
  • the upper end portion of the upper wall 11 may be formed into a flange shape.
  • the top surface portion 5 is provided with a label 18 which is separate from the top surface portion 5 .
  • One end portion 18a of the label 18 is joined to the opening/closing piece 16a, and a knob portion 19 is formed at the other end portion 18b (non-joint side end portion).
  • a holding portion 20 is formed between one end portion 18a and the other end portion 18b of the label 18.
  • the holding portion 20 provided on the label 18 is inserted into a holding receiving portion 21 formed by cutting the top surface portion 5.
  • the knob portion can be formed integrally with the opening/closing piece 16a.
  • the method for holding the opening/closing piece 16a in the raised state is not limited to the case where the holding portion 20 formed by cutting the label 18 is inserted into the holding receiving portion 21 formed by cutting the top surface portion 5 to hold the label 18 or the like.
  • Any known holding means can be employed, such as holding the label 18 or the like on the top surface 5 or the side wall 3 by providing an adhesive layer to keep the opening/closing piece 16a open.
  • the shape of the holding portion 20 is not limited to the V-shaped cutting as shown in the figure, and can be formed by cutting into an arbitrary shape.
  • the label 18 is not limited to being pulled up along the opening direction of the opening/closing piece 16a as shown in the figure, but may be constructed so as to be pulled up diagonally or laterally with respect to the opening direction of the opening/closing piece 16a. As long as the opening/closing piece 16a can be pulled up, the lifting direction of the label 18 for pulling up the opening/closing piece 16a is arbitrary.
  • FIG. 14 shows a different embodiment of the holding portion 20 provided on the label 18.
  • the side portion of the free end side (non-bonded portion side) of the label 18 as shown in the figure.
  • a recessed notch 22 may be formed to form a holding portion 20 in the vicinity of the knob portion 19, and the label 18 may be twisted to insert and hold the holding portion 20 into the holding receiving portion 21 of the top surface portion 5. good.
  • the concave cut 22 is not limited to the case where the holding portion 20 is inserted into the holding receiving portion 21 formed by cutting the top surface portion 5 to hold the holding portion 20.
  • the upper end edge portion (upper end portion 3a) of the side wall portion 3 may be engaged with and held.
  • a concave notch 22 is provided near the tab 19 of the label 18, the tab 19 of the label 18 is folded along the folding line 23, and the concave notch 22 is formed on the upper end 3a of the side wall 3. It shows a mode in which it is held by being locked to.
  • the leading end of the recessed notch 22 provided in the label 18 may be inserted into a holding receiving portion cut into the top surface 5 to hold the opening/closing piece 16a in an open state.
  • the means and structure for doing so can be arbitrarily selected.
  • a label 18 is provided on the opening/closing piece 16a, and a knob 19 formed on the label 18 is picked and operated to pull up the opening/closing piece 16a to open the drinking spout 16.
  • the tip end of the opening/closing piece 16a is used as the holding portion 20, and is inserted into the holding receiving portion 21 formed on the top surface portion 5, so that the drinking mouth 16 can be opened. may be configured to maintain an open state.
  • the holding portion 20 is not limited to the tip side end portion of the opening/closing piece 16, as long as it is configured so that the drinking spout 16 can be maintained in an open state by the holding receiving portion 21.
  • a portion other than the tip end may be used as the holding portion 20 .
  • the proximal end the end on the side where the opening/closing piece 16a is continuous with the top surface portion 5 (the portion that functions like a hinge when opening/closing) is referred to as the proximal end.
  • the end on the opposite side is called the tip.
  • the lid 1 of the present invention When the lid 1 of the present invention is fitted, the lid 1 tends to be deformed into an upward warp as a whole, and as shown in FIG. Then, the canopy portion 4 is warped, and the fitting portion 10 is sequentially fitted toward the opposite side of the lid body 1, to the mouth portion of the container 2. fitting of the lid body 1 can be performed easily and reliably.

Landscapes

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

Abstract

Le but de la présente invention est d'utiliser un matériau à base de papier pour fournir un corps de couvercle présentant une capacité supérieure pour sceller une ouverture de récipient.　Le corps de couvercle de la présente invention est fixé de manière amovible à l'ouverture de récipient et est caractérisé en ce que : le corps de couvercle est formé par pliage du bord périphérique d'un élément de couvercle supérieur comprenant un matériau à base de papier vers le bas, et présente une partie de couvercle supérieur présentant une partie de surface supérieure et une pièce suspendue formée au niveau de la périphérie de celle-ci, et une partie de paroi latérale qui est formée par assemblage des deux extrémités d'un élément de paroi latérale comprenant le matériau à base de papier et entoure la périphérie de la partie de surface supérieure du couvercle supérieur ; la partie de paroi latérale présente la forme d'une pente s'effilant du côté d'extrémité supérieure vers le côté d'extrémité inférieure, et est jointe à la pièce suspendue de la partie de couvercle supérieur au niveau de la surface intérieure de la partie paroi latérale ; et la partie de surface supérieure de la partie de couvercle supérieur est formée de manière à s'élever vers le haut.
PCT/JP2022/007764 2021-02-24 2022-02-24 Corps de couvercle WO2022181737A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023502516A JPWO2022181737A1 (fr) 2021-02-24 2022-02-24
JP2023112006A JP2023126959A (ja) 2021-02-24 2023-07-07 蓋体

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2021-028020 2021-02-24
JP2021028020 2021-02-24
JP2021045599 2021-03-19
JP2021-045599 2021-03-19

Publications (1)

Publication Number Publication Date
WO2022181737A1 true WO2022181737A1 (fr) 2022-09-01

Family

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Application Number Title Priority Date Filing Date
PCT/JP2022/007764 WO2022181737A1 (fr) 2021-02-24 2022-02-24 Corps de couvercle

Country Status (2)

Country Link
JP (2) JPWO2022181737A1 (fr)
WO (1) WO2022181737A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0329457U (fr) * 1989-07-31 1991-03-25
JP2001225402A (ja) * 2000-01-18 2001-08-21 Shireikusu Jiyooji 筒状容器用被着蓋体の製造方法及びその蓋体
JP2002011694A (ja) * 2000-06-28 2002-01-15 Nitto Shoji Kk 紙蓋の製造方法及び紙蓋
JP2007039093A (ja) * 2005-08-04 2007-02-15 Oji Paper Co Ltd 容器用紙蓋
WO2020100316A1 (fr) * 2018-11-16 2020-05-22 山田菊夫 Couvercle en papier et procédé de fabrication de couvercle en papier
WO2020166715A1 (fr) * 2019-02-15 2020-08-20 山田菊夫 Couvercle en papier

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0329457U (fr) * 1989-07-31 1991-03-25
JP2001225402A (ja) * 2000-01-18 2001-08-21 Shireikusu Jiyooji 筒状容器用被着蓋体の製造方法及びその蓋体
JP2002011694A (ja) * 2000-06-28 2002-01-15 Nitto Shoji Kk 紙蓋の製造方法及び紙蓋
JP2007039093A (ja) * 2005-08-04 2007-02-15 Oji Paper Co Ltd 容器用紙蓋
WO2020100316A1 (fr) * 2018-11-16 2020-05-22 山田菊夫 Couvercle en papier et procédé de fabrication de couvercle en papier
WO2020166715A1 (fr) * 2019-02-15 2020-08-20 山田菊夫 Couvercle en papier

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JP2023126959A (ja) 2023-09-12
JPWO2022181737A1 (fr) 2022-09-01

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