WO2005100198A1 - 蓋付き包装体 - Google Patents
蓋付き包装体 Download PDFInfo
- Publication number
- WO2005100198A1 WO2005100198A1 PCT/JP2005/007323 JP2005007323W WO2005100198A1 WO 2005100198 A1 WO2005100198 A1 WO 2005100198A1 JP 2005007323 W JP2005007323 W JP 2005007323W WO 2005100198 A1 WO2005100198 A1 WO 2005100198A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lid
- container body
- package
- container
- fitted
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
- B65D43/021—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the inside, or a part turned to the inside, of the mouth
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00064—Shape of the outer periphery
- B65D2543/00074—Shape of the outer periphery curved
- B65D2543/00092—Shape of the outer periphery curved circular
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00259—Materials used
- B65D2543/00296—Plastic
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00342—Central part of the lid
- B65D2543/00351—Dome-like
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
- B65D2543/00509—Cup
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00601—Snapping means on the container
- B65D2543/00611—Profiles
- B65D2543/0062—Groove or hollow bead
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00601—Snapping means on the container
- B65D2543/00675—Periphery concerned
- B65D2543/00685—Totality
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00712—Snapping means on the lid
- B65D2543/00722—Profiles
- B65D2543/00731—Groove or hollow bead
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00712—Snapping means on the lid
- B65D2543/00787—Periphery concerned
- B65D2543/00796—Totality
-
- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
- B65D81/3446—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated by microwaves
- B65D81/3453—Rigid containers, e.g. trays, bottles, boxes, cups
Definitions
- the present invention relates to a package with a lid suitable for use in microwave cooking because the ease of attachment and detachment of the container body and the lid is good and the fitting strength between the two is excellent.
- Containers for storing such prepared foods are preferably made of lightweight and inexpensive synthetic resin because they are disposable applications that are discarded after use. 2. Description of the Related Art A container having a lid and having a lid body, which is separate from the container main body to be put in and is provided separately from the container main body so as to cover an opening of the container main body, is widely used.
- FIG. 4 is a cross-sectional view showing a fitting configuration between a container body 200 and a lid body 300 in a conventional lidded container 100 employing an inner fitting type.
- the conventional container 100 with a lid is provided with a fitting portion composed of an undercut 210 with respect to the inner peripheral surface 202 of the opening 201 of the container body 200.
- the outer surface 301 of the cover 300 is fitted to the cover 300.
- the cooked food is stored in a container with a lid having the structure shown in Fig. 4 and the like, and is kept at room temperature or in a chilled state (freezing around 0 ° C! Refrigerated And distribution! / Sold for a while and cooked in the microwave with the food stored!
- containers with lids containing cooked foods are frozen to 0 ° C or less (for example, about 20 to -30 ° C). After that, it was sometimes cooked in a microwave oven.
- Patent Document 1 JP-A-9 323743 (Claim 1, FIG. 2)
- polystyrene-based resin has been used as the resin material constituting the lid in the container with the lid, but since the temperature rises during microwave cooking, a more heat-resistant resin is used.
- An alternative to propylene resin is desired.
- an object of the present invention is to provide a container body and a lid that can be easily attached to and detached from each other, have excellent fitting strength between the two, and can be rapidly heated by a microwave oven.
- An object of the present invention is to provide a package with a lid that can maintain a fitted state and is good for microwave cooking.
- the package with a lid of the present invention is a package with a lid that includes a container body and a lid, and the container body and the lid are internally fitted and closed.
- a convex portion and a concave portion are formed on the inner peripheral surface, and a convex portion is formed on the outer peripheral portion of the lid, and the concave portion of the container body and the convex portion of the lid are fitted.
- the package with a lid according to the present invention includes a container body and a lid body, and both of them are internally fitted and closed, and the internal fitting is performed on the inner peripheral surface of the opening of the container body.
- a convex portion and a concave portion are formed, and a convex portion is formed on the outer peripheral portion of the lid, so that the concave portion of the container main body and the convex portion of the lid fit.
- the fitting state between the container body and the lid is released by the heating in the electronic range and an increase in the internal pressure of the container. This can be suitably prevented.
- the fitting feeling when the lid is fitted to the container body is good, and a light sound is emitted at the time of fitting, so that both are firmly fitted. If you can see it!
- the "package with a lid in which the container main body and the lid are internally fitted” generally means that when the lid is fitted to the container main body, the opening of the container main body is closed. It refers to a package with a lid in which the outer peripheral portion of the lid can be fitted to a position corresponding to the inside of the container in a protruding portion (for example, a flange-like flange portion) protruding outward.
- the lid is preferably made of polypropylene resin.
- the lid is made of polypropylene resin, by combining with the above-described fitting configuration, the above effects can be obtained while applying the lid made of polypropylene resin. It is possible to provide a package with a lid that can be suitably performed.
- the polypropylene resin is a general-purpose resin, the molding process is easy, and the lid constituting the package with the lid can be manufactured at low cost.
- polypropylene resin has high heat resistance, it can sufficiently cope with microwave cooking. And, by using a polypropylene resin for the lid, it is possible to obtain a good initial fitting property even with a deep inner fitting configuration that is difficult to fit with a polystyrene resin lid. .
- the haze value of the lid is preferably 30% or less.
- the haze value of the lid made of polypropylene resin is within a specific range, it is possible to suitably provide a polypropylene resin lid having good transparency and high commercial value. Become.
- the lid is excellent in transparency, the condition of the stored cooked food can be clearly shown, and the purchase motivation can be increased.
- the haze value of the strong lid can be a value measured according to JIS K7136.
- the bottom of the projection formed on the lid has a curled shape.
- the bottom of the lid is curled, it is easy to fit the convex part of the lid into the concave portion formed on the inner peripheral surface of the container body, so that the container body and the lid can be fitted. It can be done efficiently.
- both the container body and the lid are made of polypropylene resin.
- the container body and the lid which are the components of the package with the lid, are both made of a polypropylene resin and the same kind of resin material, so that the container body and the lid are separated from each other. They can be discarded without recycling, and both can be recycled together for material, resulting in a highly recyclable package with a lid.
- the package with lid is made of polypropylene resin, and the container body and lid are fitted inside, so that even if it is in a refrigerated state, it will not break due to light impact etc. It is possible to provide a package with a lid having a good value and a high commercial value.
- FIG. 1 is a schematic view showing one embodiment of a package with a lid according to the present invention.
- FIG. 2 is a cross-sectional view showing a fitting configuration of a package with a lid.
- FIG. 3 is a cross-sectional view showing another embodiment of the fitting configuration of the package with a lid.
- FIG. 4 is a cross-sectional view showing a fitting configuration of a conventional lidded container.
- FIG. 1 and 2 are schematic views showing one embodiment of the packaged body 1 with a lid according to the present invention
- FIG. 1 is a schematic view of the packaged body with a lid (provided that the container body 2 and the lid 3 are separated.
- FIG. 2 is a cross-sectional view showing a fitting configuration of the container body and the lid. 1 and 2, 1 indicates a package with a lid, 2 indicates a container body, and 3 indicates a lid.
- the packaged body 1 with a lid includes a container body 2 and a lid body 3. In some cases, it is closed. Specifically, the lid 3 is positioned at a position (inner peripheral surface 24) corresponding to the inside of the container at a portion where the opening 21 of the container main body 2 projects outward (corresponding to a flange 25 described later). Are fitted.
- the container body 2 constituting the package 1 with a lid is for storing articles such as cooked food therein, and as shown in Fig. 1, a substantially circular opening 21 and a bottom surface are provided. A part 22 and a side part 23 formed to be inclined downward from the opening 21 toward the bottom part, and an inner surface near the opening 21 in the side part 23 becomes the inner peripheral surface 24 of the container body 2. .
- a flange-like flange 25 is formed on the entire periphery of the opening 21 of the container body 2.
- the shape of the flange portion 25 in the present embodiment shown in FIGS. 1 and 2 has a U-shaped cross-section that is formed to extend horizontally outward with respect to the surface to which the opening portion 21 belongs and to hang down at the outermost edge thereof.
- the example of adopting the skirt flange is shown below.
- the container body 2 of the present embodiment is provided with an inclined portion 26 (slope) connected to the lower portion of the flange portion 25 so that the lid 3 can be easily inserted and fitted. I have.
- the container body 2 is preferably made of a thermoplastic resin, for example, a polyester resin such as a polystyrene resin, a polypropylene resin, or a polyethylene terephthalate (PET).
- a thermoplastic resin for example, a polyester resin such as a polystyrene resin, a polypropylene resin, or a polyethylene terephthalate (PET).
- an inorganic filler such as talc or calcium carbonate may be added to these materials.
- thermoplastic resins As a constituent material of the container body 2, among these thermoplastic resins, it is preferable to use a polypropylene resin.
- the polypropylene resin include polypropylene resins such as homopolypropylene, random polypropylene and block polypropylene, and propylene copolymers. You may use a combination of two or more!
- the container body 2 is formed by thermoforming a sheet (including a foamed sheet) obtained by using, for example, a known extrusion molding method or a foam extrusion molding method of the various thermoplastic resins described above. By doing so, it can be easily manufactured.
- a thermoforming method various thermoforming methods such as a vacuum forming method, a press forming method, a vacuum press forming method, a plug assist vacuum forming method, a plug press forming method, a so-called hot plate forming method, and the like may be employed. Can be.
- the lid 3 is internally fitted to the container body 2 that stores various articles such as cooked foods, and closes the entire package 1, and the top surface 31, the side surface 32, An outer peripheral portion 33 and a flange portion 35 are provided. Further, in the present embodiment, the flange portion 25 formed on the lid body 3 employs a flat flange extending horizontally outward.
- the lid 3 is preferably made of a thermoplastic resin like the container body 2, for example, polypropylene resin, polystyrene resin, polyethylene terephthalate (PET), or the like.
- a polyester resin or the like can be used, and is preferably made of a polypropylene resin.
- the polypropylene resin constituting the lid 3 As a specific example of the polypropylene resin constituting the lid 3, the polypropylene resin constituting the container body 2 described above can be suitably used.
- the container body 2 and the lid 3 are made of polypropylene resin, the container body 2 and the lid 3 are discarded without being separated. In addition to the above, the two can be recycled together as a material, which is preferable because the package 1 with a lid having excellent recyclability can be obtained.
- the packaged body 1 with a lid is made of polypropylene resin, even if it is in a refrigerated state, it will not be broken by light or impact.
- the haze value is preferably 30% or less, more preferably 15% or less. If the haze value of the lid 3 is 10% or less, the lid 3 made of a polypropylene-based resin is excellent in transparency, and the commercial value of the lidded package 1 can be enhanced, which is preferable.
- the haze value of the strong lid can be a value measured according to JIS K7136.
- thermoforming method includes a vacuum forming method, a press forming method, a vacuum press forming method, a plug assist vacuum forming method, a plug press forming method, a so-called hot plate forming method, and the like.
- a thermoforming method includes a vacuum forming method, a press forming method, a vacuum press forming method, a plug assist vacuum forming method, a plug press forming method, a so-called hot plate forming method, and the like.
- Various thermoforming methods can be adopted.
- the packaged body 1 with a lid according to the present invention is such that the container body 2 having the above-described configuration and the lid 3 are fitted to each other to be in a closed state.
- FIG. 2 is a cross-sectional view showing a fitting configuration of the container body 2 and the lid 3.
- the container body 2 follows the inclined portion 26 (slope) from the flange portion 25 and the inner side surface 24 of the opening portion 21 toward the inside of the opening portion 21 as described above.
- a concave portion 242 formed continuously with the convex portion 241.
- a raised portion 331 raised toward the outside is provided. Is formed.
- a concave portion 242 formed in the inner peripheral surface 24 of the opening 21 of the container body 2 and a lid The convex portion 331 formed on the outer peripheral portion 33 of No. 3 may be fitted.
- a convex portion 241 and a concave portion 242 are formed on the inner peripheral surface 24 of the opening 21 of the container body 2, and a convex portion 331 is formed on the outer peripheral portion 33 of the lid 3.
- the convex portion 241 of the container body 2 is provided by forming the convex portion 331 on the lid 3 as shown in FIG. Since the container body 2 and the lid body 3 fit into the recess 332 thus formed, the container body 2 and the lid body 3 are fitted well. Furthermore, since the container body 2 and the lid 3 are fitted in an uneven shape, the fitting strength between them is also high.
- the bottom portion 331a of the convex portion 331 formed on the outer peripheral portion 33 of the lid 3 has a curled shape as shown in FIG.
- the convex portion 331 of the lid 3 can be easily fitted into the concave portion 242 formed on the inner peripheral surface 24 of the container body 2, so that the container body 2 and the lid 3 can be fitted together. It can be done efficiently.
- a slight clearance (about 100 to 500 m as the maximum clearance) is formed between the concave portion 242 formed on the inner peripheral surface 24 of the container body 2 and the convex portion 331 of the lid 3. ) By providing the clearance 40, the two can be fitted more smoothly.
- An example of a method of using the package 1 with a lid according to the present embodiment is as follows. First, polypropylene to which an appropriate amount of inorganic filler (for example, about 10 to 60% by mass based on the whole container body 2) is added. Then, a polypropylene sheet having a thickness of 0.2 mm to 2 mm is produced by a known extrusion molding method.
- an appropriate amount of inorganic filler for example, about 10 to 60% by mass based on the whole container body 2
- a polypropylene sheet having a thickness of 0.2 mm to 2 mm is produced by a known extrusion molding method.
- This polypropylene sheet is formed into a shape shown in FIG. 1 by a known thermoforming method to form a convex portion 241 shown in FIG. 2 on the inner peripheral surface 24 and a concave portion 242 continuous with the convex portion 241. Obtained container body 2 is obtained.
- a transparent polypropylene sheet having a thickness of 120 to 800 / 800 ⁇ is produced by using a known extrusion molding method using polypropylene, and this transparent polypropylene sheet is formed by a known thermoforming method.
- a lid 3 having the shape shown in FIG. 1 and having the outer peripheral portion 33 formed with the convex portion 331 shown in FIG. 2 is obtained.
- the container body 2 and the lid 3 obtained in this manner are illustrated with respect to the container body 2. As shown in the figure, after the predetermined cooked food is stored, the lid is fitted to the container body 2 so as to be in the fitted state shown in FIG. You can get body 1.
- the packaged body 1 with a strong lid was refrigerated at, for example, -20 ° C to 130 ° C, and then heat-treated for 0.5 to 5 minutes in a microwave oven with an output of about 1500 to 1700W. Even in this case, the fitted state between the container body 2 and the lid 3 can be maintained, and the lid 3 does not come off from the container body 2.
- the package 1 with a lid according to the present embodiment having the above-described configuration has the following effects.
- a convex portion 241 and a concave portion 242 are formed on the inner peripheral surface 24 of the opening 21 of the container body 2 and the lid 3 Since the convex portion 331 is formed on the outer peripheral portion 33 of the container 3 and the concave portion 242 of the container main body 2 and the convex portion 331 of the lid 3 are fitted to each other, a good fitting state between the container main body 2 and the lid 3 is good. Thus, both can be easily attached and detached, but the fitting strength is excellent.
- the packaged body 1 with a lid can be suitably prevented.
- the fitting feeling when the lid 3 is fitted to the container body 2 is also good, and a light sound is emitted at the time of fitting, so that the two are tight. Confirmation after force fitting.
- the lid 3 is made of polypropylene resin
- the lid 3 made of polypropylene resin can be applied by combining with the fitting configuration shown in FIG. It is possible to provide the packaged body 1 with a lid, which can suitably exhibit the effect (1).
- polypropylene resin is a general-purpose resin, molding is easy, and the lid 3 constituting the package with the lid can be manufactured at low cost.
- polypropylene resin has high heat resistance, it can sufficiently cope with heat treatment in microwave cooking.
- the container body 2 is also made of polypropylene resin, and the container body 2 and the lid 3 are made of polypropylene resin.
- the container body 2 and the lid 3 can be discarded without being separated, and both can be recycled together for material recycling, with a lid with excellent recyclability. It becomes package 1.
- the package 1 with a lid from a polypropylene resin, it is possible to provide a package 1 with a high commercial value that is not broken by a light impact even in a refrigerated state. Can be.
- the convex portion 331 formed on the lid 3 By forming the bottom portion 331a of the convex portion 331 formed on the lid 3 into a curled shape, the convex portion 331 can be easily fitted into the concave portion 242 of the container body 2, and the fitting of both can be efficiently performed. Can be done.
- the lid 3 made of polypropylene resin By setting the haze value of the lid 3 made of polypropylene resin to 10% or less, the lid 3 made of polypropylene resin having good transparency and high commercial value was provided. It becomes the package 1 with a lid.
- the transparency of the lid 3 is good, the condition of the cooked food to be stored is clearly exposed to the outside, and the willingness to purchase is enhanced.
- the above-described embodiment shows one embodiment of the present invention, and the present invention is not limited to the above-described embodiment, but can achieve the objects and effects of the present invention. Needless to say, it is included in the content of the present invention. Further, the specific structure, shape, and the like when the present invention is implemented are within the scope of achieving the objects and effects of the present invention, and there is no problem with other structures, shapes, and the like.
- the bottom portion 331 a of the convex portion 331 formed on the outer peripheral portion 33 of the lid 3 is configured to fit the container main body 2 and the lid 3.
- a slight clearance 40 is provided between the concave portion 242 formed on the inner peripheral surface 24 of the container body 2 and the convex portion 331 of the lid, but the fitting strength between the two is reduced.
- a mating configuration as shown in FIG. 3 may be used.
- FIG. 3 is a cross-sectional view showing another embodiment of the fitting configuration of the package 1 with a lid.
- the bottom 331 a of the convex portion 331 formed on the outer peripheral portion 33 of the lid 3 has a curled shape.
- a configuration in which a clearance 40 between the convex portion 331 and the concave portion 242 formed on the inner peripheral surface 24 of the container body 2 is minimized is shown.
- the fitting of the container body 2 and the lid 3 is slightly less smooth than the configuration of FIG. 2, but the fitting strength of both is stronger, Leakage of objects can be prevented as much as possible.
- the container body 2 and the lid 3 made of a polypropylene resin have been described as examples of the means for obtaining the package 1 with the lid, but the present invention is not limited thereto.
- a thermoplastic resin such as a polystyrene resin may be used as a constituent material of the container body 2 and the lid 3.
- the shape of the opening 21 of the container body 2 was substantially circular.
- the shape is not limited to this, and the shape of the opening 21 may be a square shape or an elliptical shape. And various other shapes.
- a skirt flange is used as the shape of the flange portion 25 formed in the opening 21 of the container body 2 .
- a flat flange extending horizontally outward with respect to the surface to which the opening 21 belongs, or a flat flange extending horizontally outward with the surface to which the opening 21 belongs, and hanging down at the outermost edge to form an end portion A curling flange or the like that makes the sheet curl may be used.
- the packaged body with a lid of the present invention has characteristics that the container body and the lid are easily attached and detached easily and that the fitting strength between the two is also excellent. Can maintain the fitted state of the container body and the lid against rapid heating by the above, and can be widely used as a container with a lid for storing cooking foods such as pasta, side dishes, and lunch boxes.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Packages (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004121906A JP2005306390A (ja) | 2004-04-16 | 2004-04-16 | 蓋付き包装体 |
JP2004-121906 | 2004-04-16 |
Publications (1)
Publication Number | Publication Date |
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WO2005100198A1 true WO2005100198A1 (ja) | 2005-10-27 |
Family
ID=35149885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/007323 WO2005100198A1 (ja) | 2004-04-16 | 2005-04-15 | 蓋付き包装体 |
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JP (1) | JP2005306390A (ja) |
WO (1) | WO2005100198A1 (ja) |
Families Citing this family (6)
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JP4618712B2 (ja) * | 2004-09-28 | 2011-01-26 | 株式会社ジェイエスピー | 包装用容器 |
JP2009190783A (ja) * | 2008-02-18 | 2009-08-27 | Athena Kogyo Co Ltd | 蓋付容器 |
JP5243183B2 (ja) * | 2008-10-28 | 2013-07-24 | シーピー化成株式会社 | 食品容器 |
JP5461922B2 (ja) * | 2009-07-17 | 2014-04-02 | リスパック株式会社 | フレア部を有する包装用容器 |
JP7054175B2 (ja) * | 2018-01-26 | 2022-04-13 | シーピー化成株式会社 | 包装用内嵌合容器 |
JP7042312B1 (ja) | 2020-09-16 | 2022-03-25 | デンカ株式会社 | 包装用容器及び中皿 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6217420Y2 (ja) * | 1981-02-17 | 1987-05-06 | ||
JPH05201486A (ja) * | 1991-11-14 | 1993-08-10 | Zentralschweizerischer Milchverband Mvl | 食品容器 |
JP2003063573A (ja) * | 2001-08-24 | 2003-03-05 | Chugoku Pearl Kasei Kk | 食品包装容器 |
JP2003137325A (ja) * | 2001-11-02 | 2003-05-14 | K P Puratetsuku:Kk | 容 器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10296936A (ja) * | 1997-04-28 | 1998-11-10 | Unitika Ltd | 積層ポリエステルシート及びこれを用いてなる包装容器 |
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2004
- 2004-04-16 JP JP2004121906A patent/JP2005306390A/ja active Pending
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2005
- 2005-04-15 WO PCT/JP2005/007323 patent/WO2005100198A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6217420Y2 (ja) * | 1981-02-17 | 1987-05-06 | ||
JPH05201486A (ja) * | 1991-11-14 | 1993-08-10 | Zentralschweizerischer Milchverband Mvl | 食品容器 |
JP2003063573A (ja) * | 2001-08-24 | 2003-03-05 | Chugoku Pearl Kasei Kk | 食品包装容器 |
JP2003137325A (ja) * | 2001-11-02 | 2003-05-14 | K P Puratetsuku:Kk | 容 器 |
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