US20200339304A1 - Food container - Google Patents
Food container Download PDFInfo
- Publication number
- US20200339304A1 US20200339304A1 US16/430,951 US201916430951A US2020339304A1 US 20200339304 A1 US20200339304 A1 US 20200339304A1 US 201916430951 A US201916430951 A US 201916430951A US 2020339304 A1 US2020339304 A1 US 2020339304A1
- Authority
- US
- United States
- Prior art keywords
- box body
- seal strip
- food container
- notch
- cover
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
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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
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
- B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
- B65D17/4011—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening completely by means of a tearing tab
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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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0235—Removable lids or covers with integral tamper element
- B65D43/0237—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element
- B65D43/0249—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element on both the inside and the outside of the mouth of the container
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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
- B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
- B65D11/20—Details of walls made of plastics material
- B65D11/22—Reinforcing for strengthening parts of members
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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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/14—Non-removable lids or covers
- B65D43/22—Devices for holding in closed position, e.g. clips
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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
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
- B65D53/08—Flexible adhesive strips adapted to seal filling or discharging apertures
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/20—Lunch or picnic boxes or the like
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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
- B65D2401/00—Tamper-indicating means
- B65D2401/10—Tearable part of the container
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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
- 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
- B65D2543/0012—Shape of the outer periphery having straight sides, e.g. with curved corners
- B65D2543/00175—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
- B65D2543/00194—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
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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
- 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
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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
- 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
- B65D2543/00453—Contact between the container and the lid in a peripheral U-shaped channel of the container
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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
- 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
- B65D2543/00629—Massive bead
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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
- 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
- B65D2543/00694—Segments
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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
- 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
- B65D2543/00759—Flange or lip
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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
- 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
- B65D2543/00805—Segments
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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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00824—Means for facilitating removing of the closure
- B65D2543/00944—Located only on the container, e.g. recesses
Definitions
- the invention relates to the technical field of articles for daily use, in particular to a food container.
- the plastic lunch box generally includes a box body and a cover disposed on the box body, with a storage cavity formed between the box body and the cover, functioning to accommodate and seal food.
- a peripheral part of the box body and a peripheral part of the cover are generally designed as structures closely connected to each other.
- the present invention provides a food container, which is easy to open and can ensure the sealing performance.
- a food container includes a box body and a cover, wherein the cover is buckled above the box body, and a peripheral part of the box body and a peripheral part of the cover are connected in a clamped manner, with a storage space formed between the box body and the cover;
- the food container further includes a locking buckle, wherein an outer edge of the box body encloses an outer edge of the cover, and the outer edge of the box body is provided with a segment of notch, the notch exposes a part of the outer edge of the cover; and the locking buckle is composed of a seal strip and a pull-tab portion, wherein the seal strip is arranged in the notch, and is connected to a break face formed by the box body at the notch through a plurality of connecting bridges, and the pull-tab portion is arranged at an outer side of the seal strip and connected to the seal strip.
- the locking buckle also has safety and anti-theft functions in that the user can know whether the food container has been opened according to whether the food container has the sealing strip or whether the connecting bridges are intact in the food container.
- the notch is provided at the peripheral part of the box body to expose a part of the outer edge of the cover, so as to facilitate the operation of lifting the cover and reduce the difficulty of opening the food container, and the reliability of connection between the box body and the cover is almost not affected, thereby ensuring the sealing performance;
- the seal strip is used to close the notch and shield the exposed part of the outer edge of the cover, thereby also functioning to ensure the sealing performance and also providing safety and anti-theft functions.
- the food container is easy to open and can ensure the sealing performance, and also has safety and anti-theft functions.
- peripheral part of the box body is rectangular and has four corners.
- the notch is formed at the outer edge at one corner of the box body, and the seal strip is arranged in the notch, with an inner side face of the seal strip being connected to the break face formed by the box body at the notch through the connecting bridges, and the pull-tab portion is connected to an outer side face of the seal strip.
- the portion at the corner has the most concentrated stress and the highest mechanical strength, and is not prone to deformation or damage.
- Providing the notch at the outer edge of the corner has small influence on the overall average mechanical performance of the box body. In this way, not only is the probability of deformation of the notch during transportation and storage reduced to ensure the sealing performance of the food container, but also the shape of the notch can be maintained when the connecting bridges break, and the notch is prevented from being further split due to the action of an external force to damage the original structure of the box body.
- the shape of the seal strip is same as that of a complete corner of the box body, so that the peripheral part of the box body is substantially complete and beautiful in appearance while ensuring the sealing performance.
- the four corners of the peripheral part of the box body are all rounded corners, which can avoid inconvenience in transportation and possible injury to the user due to too sharp outlines.
- the inner side face and two end faces of the seal strip are all connected to the break face formed by the box body at the notch through the connecting bridges, to improve sealing performance.
- connecting bridges connecting the inner side face of the seal strip to the break face are uniformly distributed at intervals, such that the user can successively remove the seal strip by applying a force that is uniform in magnitude.
- the pull-tab portion has a through hole, and thus the food container has a suspensible function.
- the user can hang the through hole of the pull-tab portion on a mechanism such as a hook or nail to suspend the food container or suspend the box body separately.
- the pull-tab portion is a sheet structure, which is perpendicular to the outer side face of the seal strip and connected to the outer side face of the seal strip, to facilitate suspension and the user's operation of ripping the seal strip by pulling up the pull-tab portion.
- box body, the locking buckle and the connecting bridges are formed together through plastic molding and punching processes, which is conducive to reducing manufacturing processes and costs.
- FIG. 1 is a front view of a food container of the present invention
- FIG. 2 is a top view of the food container of the present invention
- FIG. 3 is a sectional view in a direction A-A of FIG. 2 ;
- FIG. 4 is an enlarged view of a part I in FIG. 3 ;
- FIG. 5 is a sectional view in a direction B-B of FIG. 2 ;
- FIG. 6 is a front view of a box body
- FIG. 7 is a top view of the box body
- FIG. 8 is an enlarged view of a part II in FIG. 7 ;
- FIG. 9 is a bottom view of the box body
- FIG. 10 is a three-dimensional diagram of the box body
- FIG. 11 is a three-dimensional diagram of the food container of the present invention in a direction
- FIG. 12 is a three-dimensional diagram of FIG. 11 along a sectional direction a-b-c-d;
- FIG. 13 is a three-dimensional diagram of the food container of the present invention in another direction.
- FIG. 14 is a three-dimensional diagram of the food container of the present invention in a yet another direction.
- a food container provided by the present invention includes a box body 1 , a cover 2 and a locking buckle 3 .
- the cover 2 is buckled above the box body 1 , and a peripheral part 10 of the box body 1 and a peripheral part 20 of the cover 2 are connected in a clamped manner, with a storage space S formed between the box body 1 and the cover 2 , as shown in FIG. 3 .
- An outer edge 103 of the box body 1 encloses an outer edge 203 of the cover 2 , as shown in FIG. 4 , and the outer edge 103 of the box body 1 is provided with a segment of notch 12 , as shown in FIG. 8 , and the notch 12 exposes a part of the outer edge 203 of the cover 2 , as shown in FIG. 12 .
- the locking buckle 3 is composed of a seal strip 31 and a pull-tab portion 32 , wherein the seal strip 31 is arranged in the notch 12 , and is connected to a break face 13 formed by the box body 1 at the notch 12 through a plurality of connecting bridges.
- the pull-tab portion 32 is arranged at the outer side of the seal strip 31 and connected to the seal strip 31 and is provided with a through hole 320 .
- the locking buckle 3 has safety and anti-theft functions in that the user can know whether the food container has been opened according to whether the food container has the sealing strip 31 or whether the connecting bridges are intact in the food container.
- the user can hang the through hole 320 of the pull-tab portion 32 on a mechanism such as a hook or nail to suspend the food container or suspend the box body 1 separately, to satisfy the needs of various use occasions.
- the peripheral part 10 of the box body 1 is rectangular and has four corners. Further preferably, the four corners of the peripheral part 10 of the box body 1 are all rounded corners, which can avoid inconvenience in transportation and possible injury to the user due to too sharp outlines.
- the peripheral part 20 of the cover 2 is a rectangle with four corners being all rounded.
- the peripheral part of the box body may also be a regular shape or an irregular shape such as other polygon, circle or oval.
- the notch 12 is formed at the outer edge 103 at one corner of the box body 1 .
- the portion at the corner has the most concentrated stress and the highest mechanical strength, and is not prone to deformation or damage.
- Providing the notch 12 at the outer edge 103 of the corner has small influence on the overall average mechanical performance of the box body 1 . In this way, not only is the probability of deformation of the notch 12 during transportation and storage reduced to ensure the sealing performance of the food container, but also the shape of the notch 12 can be maintained when the connecting bridges break, and the notch 12 is prevented from being further torn due to the action of an external force to break the original structure of the box body 1 .
- the notch can be provided at a part on any position of the outer edge of the box body.
- the shape of the seal strip 31 is same as that of a complete corner of the box body 1 , as shown in FIGS. 8 and 12 , the seal strip 31 is arranged in the notch 12 and shields the part of the outer edge 203 of the cover 2 exposed from the notch 12 , and is coordinated with the outer edge 103 of the box body 1 in shape, so that the peripheral part 10 of the box body 1 is substantially complete in appearance while ensuring the sealing performance, and a small amount of material is used for the seal strip 31 .
- an inner side face 311 and two end faces 313 of the seal strip 31 are all connected to the break face 13 formed by the box body 1 at the notch 12 through a plurality of connecting bridges.
- a gap is formed between the seal strip 31 and the break face 13 , and the connecting bridges are arranged in the gap and are perpendicular to the break face 13 , wherein three connecting bridges 41 connecting the inner side face 311 of the seal strip 31 to the break face 13 are uniformly distributed at intervals, such that the user can successively remove the seal strip 31 by applying a force that is uniform in magnitude.
- the connecting bridge between one end face 313 of the seal strip 31 and the break face 13 is broken first, and then the rest connecting bridges are broken. Therefore, to facilitate ripping the seal strip 31 , in the embodiment, the two end faces 313 of the seal strip 31 are each connected to the break face 13 respectively through only one connecting bridge 42 . In other embodiments, depending on the thickness and material of the connecting bridge, more than one connecting bridge can be used to connect each end face of the seal strip and the break face.
- the pull-tab portion 32 is an annular sheet structure with a through hole 320 formed in the middle.
- the pull-tab portion 32 is perpendicular to an outer side face 312 of the seal strip 31 , and is connected to the outer side face 312 of the seal strip 31 , as shown in FIGS. 5 and 12 , to facilitate suspension and ripping the seal strip 31 .
- the box body 1 , the locking buckle 3 and the connecting bridges are made of the same material, such as thermoplastic, to facilitate manufacture at the same time and reduce manufacturing processes and costs.
- the box body 1 , the locking buckle 3 and the connecting bridges are formed together through plastic molding and punching processes, wherein the gap between the seal strip 31 and the break face 13 is formed by the punching process to form the notch 12 , and the gap between two adjacent connecting bridges is also formed by the punching process, and the through hole 320 of the pull-tab portion 32 is also formed by the punching process.
- the cover 2 may also be made of the same material as the box body 1 , such as being formed by plastic molding.
- FIG. 4 shows a sectional view at the junction of the peripheral part 10 of the box body 1 and the peripheral part 20 of the cover 2 (the locking buckle 3 is not cut through by the section line);
- FIG. 5 shows a sectional view at the junction of the peripheral part 10 of the box body 1 and the peripheral part 20 of the cover 2 (the locking buckle 3 and the connecting bridge 41 in the middle are cut through by the section line);
- FIG. 12 shows a sectional view at the junction of the peripheral part 10 of the box body 1 and the peripheral part 20 of the cover 2 (the locking buckle 3 and the connecting bridge 41 in the middle are cut through by the section line); the food container shown in FIGS. 4 and 5 are placed right side up, while the food container shown in FIG. 12 is placed upside down.
- the peripheral part 10 of the box body 1 is bent to form a horizontal platform portion 101 , an upward projecting protrusion portion 102 and the upturned outer edge 103 , wherein the protrusion portion 102 is located between the platform portion 101 and the outer edge 103 ; and the peripheral part 20 of the cover 2 is bent to form a downward projecting support portion 201 , an accommodating portion 202 with a downward opening, and the upturned outer edge 203 , wherein the accommodating portion 202 is located between the support portion 201 and the outer edge 203 ; the support portion 201 is arranged on the surface of the platform portion 101 , the protrusion portion 102 is embedded into the opening of the accommodating portion 202 , and the top face of the protrusion portion 102 and the bottom face of the accommodating portion 202 are in contact and form-fitted with each other to achieve sealing; the outer edge 103 of the box body 1 encloses the outer edge 203 of the cover 2 from bottom to top, an end face 103 s of the
- an inner side face of the outer edge 103 projects toward the direction of the protrusion portion 102 to form a lock rib 103 m .
- the lock rib 103 m is arranged above the end face 203 s of the outer edge 203 and along the outer edge 103 , and the lock rib 103 m functions to obstruct the outer edge 103 from upward displacement, thereby preventing the separation between the box body 1 from and the cover 2 .
- the protrusion portion 102 forms a downward opening, and in order to improve the mechanical strength of the peripheral part 10 of the box body 1 , in the embodiment, a plurality of reinforcing ribs 104 are provided in the opening of the protrusion portion 102 , as shown in FIG. 12 (one of the reinforcing ribs 104 is cut through by the cross section in the figure); and the support portion 201 forms an upward opening, and in order to improve the mechanical strength of the peripheral part 20 of the cover 2 , in the embodiment, a plurality of reinforcing ribs 204 are provided in the opening of the support portion 201 .
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
A food container is provided, including a box body, a cover and a locking buckle, wherein the cover is buckled above the box body; an outer edge of the box body encloses an outer edge of the cover, and the outer edge of the box body is provided with a segment of notch, the notch exposes a part of the outer edge of the cover; and the locking buckle is composed of a seal strip and a pull-tab portion, wherein the seal strip is arranged in the notch, and is connected to a break face formed by the box body at the notch through a plurality of connecting bridges, and the pull-tab portion is arranged at an outer side of the seal strip and connected to the seal strip. The food container is easy to open and can ensure the sealing performance.
Description
- This application claims priority to Chinese Application No. CN 201910340549.8 having a filing date of Apr. 25, 2019, the entire contents of which are hereby incorporated by reference.
- The invention relates to the technical field of articles for daily use, in particular to a food container.
- Food containers are indispensable in people's daily life. For example, disposable plastic lunch boxes are widely used due to the advantages of good sealing performance, light weight, beautiful appearance, low cost and the like. The plastic lunch box generally includes a box body and a cover disposed on the box body, with a storage cavity formed between the box body and the cover, functioning to accommodate and seal food. In the prior art, to achieve a good sealing effect, a peripheral part of the box body and a peripheral part of the cover are generally designed as structures closely connected to each other. However, while the sealing performance of the lunch box is improved, the difficulty of the user's operation of lifting the cover from the box body is increased, and finger injury is likely to occur; sometimes it needs to damage the cover or the box body to open the cover successively, and the food in the lunch box is likely to spill, which results in a poor use effect and a poor use experience of the lunch box. Conversely, to reduce the difficulty of opening the lunch box, it needs to sacrifice the sealing performance.
- In view of this, the present invention provides a food container, which is easy to open and can ensure the sealing performance.
- A technical solution adopted in the present invention is as follows:
- A food container includes a box body and a cover, wherein the cover is buckled above the box body, and a peripheral part of the box body and a peripheral part of the cover are connected in a clamped manner, with a storage space formed between the box body and the cover; the food container further includes a locking buckle, wherein an outer edge of the box body encloses an outer edge of the cover, and the outer edge of the box body is provided with a segment of notch, the notch exposes a part of the outer edge of the cover; and the locking buckle is composed of a seal strip and a pull-tab portion, wherein the seal strip is arranged in the notch, and is connected to a break face formed by the box body at the notch through a plurality of connecting bridges, and the pull-tab portion is arranged at an outer side of the seal strip and connected to the seal strip.
- To open the food container, a user pulls up the pull-tab portion to break the connecting bridges that connect the box body and the seal strip, and removes the locking buckle from the notch so that a part of the outer edge of the cover is exposed, then pinches the exposed part of the outer edge of the cover and lifts the cover from the box body, thus conveniently opening the food container. Furthermore, the locking buckle also has safety and anti-theft functions in that the user can know whether the food container has been opened according to whether the food container has the sealing strip or whether the connecting bridges are intact in the food container.
- In the present invention, on the one hand, the notch is provided at the peripheral part of the box body to expose a part of the outer edge of the cover, so as to facilitate the operation of lifting the cover and reduce the difficulty of opening the food container, and the reliability of connection between the box body and the cover is almost not affected, thereby ensuring the sealing performance; on the other hand, the seal strip is used to close the notch and shield the exposed part of the outer edge of the cover, thereby also functioning to ensure the sealing performance and also providing safety and anti-theft functions.
- The food container is easy to open and can ensure the sealing performance, and also has safety and anti-theft functions.
- Further, the peripheral part of the box body is rectangular and has four corners.
- Further, the notch is formed at the outer edge at one corner of the box body, and the seal strip is arranged in the notch, with an inner side face of the seal strip being connected to the break face formed by the box body at the notch through the connecting bridges, and the pull-tab portion is connected to an outer side face of the seal strip.
- In the rectangular peripheral part of the box body, the portion at the corner has the most concentrated stress and the highest mechanical strength, and is not prone to deformation or damage. Providing the notch at the outer edge of the corner has small influence on the overall average mechanical performance of the box body. In this way, not only is the probability of deformation of the notch during transportation and storage reduced to ensure the sealing performance of the food container, but also the shape of the notch can be maintained when the connecting bridges break, and the notch is prevented from being further split due to the action of an external force to damage the original structure of the box body.
- Further, the shape of the seal strip is same as that of a complete corner of the box body, so that the peripheral part of the box body is substantially complete and beautiful in appearance while ensuring the sealing performance.
- Further, the four corners of the peripheral part of the box body are all rounded corners, which can avoid inconvenience in transportation and possible injury to the user due to too sharp outlines.
- Further, the inner side face and two end faces of the seal strip are all connected to the break face formed by the box body at the notch through the connecting bridges, to improve sealing performance.
- Further, connecting bridges connecting the inner side face of the seal strip to the break face are uniformly distributed at intervals, such that the user can successively remove the seal strip by applying a force that is uniform in magnitude.
- Moreover, the pull-tab portion has a through hole, and thus the food container has a suspensible function. The user can hang the through hole of the pull-tab portion on a mechanism such as a hook or nail to suspend the food container or suspend the box body separately.
- Further, the pull-tab portion is a sheet structure, which is perpendicular to the outer side face of the seal strip and connected to the outer side face of the seal strip, to facilitate suspension and the user's operation of ripping the seal strip by pulling up the pull-tab portion.
- Further, the box body, the locking buckle and the connecting bridges are formed together through plastic molding and punching processes, which is conducive to reducing manufacturing processes and costs.
- For the sake of better understanding and implementation, the present invention is described in detail below in conjunction with the accompanying drawings.
-
FIG. 1 is a front view of a food container of the present invention; -
FIG. 2 is a top view of the food container of the present invention; -
FIG. 3 is a sectional view in a direction A-A ofFIG. 2 ; -
FIG. 4 is an enlarged view of a part I inFIG. 3 ; -
FIG. 5 is a sectional view in a direction B-B ofFIG. 2 ; -
FIG. 6 is a front view of a box body; -
FIG. 7 is a top view of the box body; -
FIG. 8 is an enlarged view of a part II inFIG. 7 ; -
FIG. 9 is a bottom view of the box body; -
FIG. 10 is a three-dimensional diagram of the box body; -
FIG. 11 is a three-dimensional diagram of the food container of the present invention in a direction; -
FIG. 12 is a three-dimensional diagram ofFIG. 11 along a sectional direction a-b-c-d; -
FIG. 13 is a three-dimensional diagram of the food container of the present invention in another direction; and -
FIG. 14 is a three-dimensional diagram of the food container of the present invention in a yet another direction. - Referring to all of
FIGS. 1-14 , a food container provided by the present invention includes abox body 1, acover 2 and alocking buckle 3. - The
cover 2 is buckled above thebox body 1, and aperipheral part 10 of thebox body 1 and aperipheral part 20 of thecover 2 are connected in a clamped manner, with a storage space S formed between thebox body 1 and thecover 2, as shown inFIG. 3 . Anouter edge 103 of thebox body 1 encloses anouter edge 203 of thecover 2, as shown inFIG. 4 , and theouter edge 103 of thebox body 1 is provided with a segment ofnotch 12, as shown inFIG. 8 , and thenotch 12 exposes a part of theouter edge 203 of thecover 2, as shown inFIG. 12 . - Referring to
FIGS. 8 and 12 , thelocking buckle 3 is composed of aseal strip 31 and a pull-tab portion 32, wherein theseal strip 31 is arranged in thenotch 12, and is connected to abreak face 13 formed by thebox body 1 at thenotch 12 through a plurality of connecting bridges. The pull-tab portion 32 is arranged at the outer side of theseal strip 31 and connected to theseal strip 31 and is provided with athrough hole 320. - To open the food container, a user pulls up the pull-
tab portion 32 to break the connecting bridges that connect thebox body 1 and theseal strip 31, and removes thelocking buckle 3 from thenotch 12 so that a part of theouter edge 203 of thecover 2 is exposed, then pinches the exposed part of theouter edge 203 of thecover 2 and lifts thecover 2 from thebox body 1, thus opening the food container. Furthermore, thelocking buckle 3 has safety and anti-theft functions in that the user can know whether the food container has been opened according to whether the food container has thesealing strip 31 or whether the connecting bridges are intact in the food container. - Moreover, the user can hang the through
hole 320 of the pull-tab portion 32 on a mechanism such as a hook or nail to suspend the food container or suspend thebox body 1 separately, to satisfy the needs of various use occasions. - In the embodiment, the
peripheral part 10 of thebox body 1 is rectangular and has four corners. Further preferably, the four corners of theperipheral part 10 of thebox body 1 are all rounded corners, which can avoid inconvenience in transportation and possible injury to the user due to too sharp outlines. Correspondingly, theperipheral part 20 of thecover 2 is a rectangle with four corners being all rounded. In other embodiments, the peripheral part of the box body may also be a regular shape or an irregular shape such as other polygon, circle or oval. - To ensure the sealing performance, in the embodiment, the
notch 12 is formed at theouter edge 103 at one corner of thebox body 1. In the rectangularperipheral part 10 of thebox body 1, the portion at the corner has the most concentrated stress and the highest mechanical strength, and is not prone to deformation or damage. Providing thenotch 12 at theouter edge 103 of the corner has small influence on the overall average mechanical performance of thebox body 1. In this way, not only is the probability of deformation of thenotch 12 during transportation and storage reduced to ensure the sealing performance of the food container, but also the shape of thenotch 12 can be maintained when the connecting bridges break, and thenotch 12 is prevented from being further torn due to the action of an external force to break the original structure of thebox body 1. In other embodiments, the notch can be provided at a part on any position of the outer edge of the box body. - To reduce the material cost and ensure beautiful appearance, in the embodiment, the shape of the
seal strip 31 is same as that of a complete corner of thebox body 1, as shown inFIGS. 8 and 12 , theseal strip 31 is arranged in thenotch 12 and shields the part of theouter edge 203 of thecover 2 exposed from thenotch 12, and is coordinated with theouter edge 103 of thebox body 1 in shape, so that theperipheral part 10 of thebox body 1 is substantially complete in appearance while ensuring the sealing performance, and a small amount of material is used for theseal strip 31. - To improve the sealing performance, in the embodiment, as shown in
FIG. 8 , aninner side face 311 and two end faces 313 of theseal strip 31 are all connected to thebreak face 13 formed by thebox body 1 at thenotch 12 through a plurality of connecting bridges. Specifically, a gap is formed between theseal strip 31 and thebreak face 13, and the connecting bridges are arranged in the gap and are perpendicular to thebreak face 13, wherein three connectingbridges 41 connecting theinner side face 311 of theseal strip 31 to thebreak face 13 are uniformly distributed at intervals, such that the user can successively remove theseal strip 31 by applying a force that is uniform in magnitude. - When the
seal strip 31 is pulled, usually the connecting bridge between oneend face 313 of theseal strip 31 and thebreak face 13 is broken first, and then the rest connecting bridges are broken. Therefore, to facilitate ripping theseal strip 31, in the embodiment, the two end faces 313 of theseal strip 31 are each connected to thebreak face 13 respectively through only one connectingbridge 42. In other embodiments, depending on the thickness and material of the connecting bridge, more than one connecting bridge can be used to connect each end face of the seal strip and the break face. - To reduce the material cost and ensure beautiful appearance, the pull-
tab portion 32 is an annular sheet structure with a throughhole 320 formed in the middle. The pull-tab portion 32 is perpendicular to anouter side face 312 of theseal strip 31, and is connected to theouter side face 312 of theseal strip 31, as shown inFIGS. 5 and 12 , to facilitate suspension and ripping theseal strip 31. - In the embodiment, the
box body 1, the lockingbuckle 3 and the connecting bridges are made of the same material, such as thermoplastic, to facilitate manufacture at the same time and reduce manufacturing processes and costs. Specifically, thebox body 1, the lockingbuckle 3 and the connecting bridges are formed together through plastic molding and punching processes, wherein the gap between theseal strip 31 and thebreak face 13 is formed by the punching process to form thenotch 12, and the gap between two adjacent connecting bridges is also formed by the punching process, and the throughhole 320 of the pull-tab portion 32 is also formed by the punching process. Thecover 2 may also be made of the same material as thebox body 1, such as being formed by plastic molding. - Referring to
FIGS. 4, 5 and 12 ,FIG. 4 shows a sectional view at the junction of theperipheral part 10 of thebox body 1 and theperipheral part 20 of the cover 2 (the lockingbuckle 3 is not cut through by the section line);FIG. 5 shows a sectional view at the junction of theperipheral part 10 of thebox body 1 and theperipheral part 20 of the cover 2 (the lockingbuckle 3 and the connectingbridge 41 in the middle are cut through by the section line);FIG. 12 shows a sectional view at the junction of theperipheral part 10 of thebox body 1 and theperipheral part 20 of the cover 2 (the lockingbuckle 3 and the connectingbridge 41 in the middle are cut through by the section line); the food container shown inFIGS. 4 and 5 are placed right side up, while the food container shown inFIG. 12 is placed upside down. - To improve the sealing performance, in the embodiment, the
peripheral part 10 of thebox body 1 is bent to form ahorizontal platform portion 101, an upward projectingprotrusion portion 102 and the upturnedouter edge 103, wherein theprotrusion portion 102 is located between theplatform portion 101 and theouter edge 103; and theperipheral part 20 of thecover 2 is bent to form a downward projectingsupport portion 201, anaccommodating portion 202 with a downward opening, and the upturnedouter edge 203, wherein theaccommodating portion 202 is located between thesupport portion 201 and theouter edge 203; thesupport portion 201 is arranged on the surface of theplatform portion 101, theprotrusion portion 102 is embedded into the opening of theaccommodating portion 202, and the top face of theprotrusion portion 102 and the bottom face of theaccommodating portion 202 are in contact and form-fitted with each other to achieve sealing; theouter edge 103 of thebox body 1 encloses theouter edge 203 of thecover 2 from bottom to top, anend face 103 s of theouter edge 103 being higher than anend face 203 s of theouter edge 203, and theouter edge 103 and theouter edge 203 are in contact and form-fitted with each other to achieve sealing. In this way, theperipheral part 10 of thebox body 1 and theperipheral part 20 of thecover 2 are connected in a clamped manner to achieve a good sealing effect. - Further, to achieve a better sealing effect, as shown in
FIG. 4 , an inner side face of theouter edge 103 projects toward the direction of theprotrusion portion 102 to form alock rib 103 m. Thelock rib 103 m is arranged above theend face 203 s of theouter edge 203 and along theouter edge 103, and thelock rib 103 m functions to obstruct theouter edge 103 from upward displacement, thereby preventing the separation between thebox body 1 from and thecover 2. - In addition, referring to
FIG. 4 , theprotrusion portion 102 forms a downward opening, and in order to improve the mechanical strength of theperipheral part 10 of thebox body 1, in the embodiment, a plurality of reinforcingribs 104 are provided in the opening of theprotrusion portion 102, as shown inFIG. 12 (one of the reinforcingribs 104 is cut through by the cross section in the figure); and thesupport portion 201 forms an upward opening, and in order to improve the mechanical strength of theperipheral part 20 of thecover 2, in the embodiment, a plurality of reinforcingribs 204 are provided in the opening of thesupport portion 201. - The foregoing embodiments only represent several implementations of the present invention, and are described concretely in detail, but should not be understood for this reason as limiting the patent scope of the present invention. It should be noted that for those of ordinary skill in the art, a number of modifications and improvements can be made without departing from the concept of the present invention, and all these modifications and improvements are encompassed within the protection scope of the present invention.
Claims (15)
1. A food container, comprising a box body, a cover and a locking buckle, wherein the cover is buckled above the box body, and a peripheral part of the box body and a peripheral part of the cover are connected in a clamped manner, with a storage space formed between the box body and the cover; an outer edge of the box body encloses an outer edge of the cover, and the outer edge of the box body is provided with a segment of notch, the notch exposes a part of the outer edge of the cover; and the locking buckle is composed of a seal strip and a pull-tab portion, wherein the seal strip is arranged in the notch, and is connected to a break face formed by the box body at the notch through a plurality of connecting bridges, and the pull-tab portion is arranged at an outer side of the seal strip and connected to the seal strip.
2. The food container of claim 1 , wherein the peripheral part of the box body is rectangular and has four corners.
3. The food container of claim 2 , wherein the notch is formed at the outer edge at one corner of the box body, and the seal strip is arranged in the notch, with an inner side face of the seal strip being connected to the break face formed by the box body at the notch through the connecting bridges, and the pull-tab portion is connected to an outer side face of the seal strip.
4. The food container of claim 3 , wherein the shape of the seal strip is same as that of a complete corner of the box body.
5. The food container of claim 2 , wherein the four corners of the peripheral part of the box body are all rounded corners.
6. The food container of claim 3 , wherein the four corners of the peripheral part of the box body are all rounded corners.
7. The food container of claim 1 , wherein an inner side face and two end faces of the seal strip are all connected to the break face formed by the box body at the notch through the connecting bridges.
8. The food container of claim 2 , wherein an inner side face and two end faces of the seal strip are all connected to the break face formed by the box body at the notch through the connecting bridges.
9. The food container of claim 3 , wherein the inner side face and two end faces of the seal strip are all connected to the break face formed by the box body at the notch through the connecting bridges.
10. The food container of claim 7 , wherein connecting bridges connecting the inner side face of the seal strip to the break face are uniformly distributed at intervals.
11. The food container of claim 8 , wherein connecting bridges connecting the inner side face of the seal strip to the break face are uniformly distributed at intervals.
12. The food container of claim 9 , wherein connecting bridges connecting the inner side face of the seal strip to the break face are uniformly distributed at intervals.
13. The food container of claim 1 , wherein the pull-tab portion has a through hole.
14. The food container of claim 1 , wherein the pull-tab portion is a sheet structure, which is perpendicular to an outer side face of the seal strip and connected to the outer side face of the seal strip.
15. The food container of claim 1 , wherein the box body, the locking buckle and the connecting bridges are formed together through plastic molding and punching processes.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910340549.8A CN109969584A (en) | 2019-04-25 | 2019-04-25 | Food containers |
CN201910340549.8 | 2019-04-25 |
Publications (1)
Publication Number | Publication Date |
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US20200339304A1 true US20200339304A1 (en) | 2020-10-29 |
Family
ID=67086271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/430,951 Abandoned US20200339304A1 (en) | 2019-04-25 | 2019-06-04 | Food container |
Country Status (3)
Country | Link |
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US (1) | US20200339304A1 (en) |
CN (1) | CN109969584A (en) |
WO (1) | WO2020215463A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD944640S1 (en) * | 2020-06-24 | 2022-03-01 | Taishan Zhongshang Food Packaging Manufacturing Co., Ltd. | Container |
TWI778725B (en) * | 2021-07-26 | 2022-09-21 | 陳彥丞 | Combined device of a box |
USD1003712S1 (en) * | 2019-11-22 | 2023-11-07 | Hsiao Yu Chung | Lunch box |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111994461A (en) * | 2020-09-09 | 2020-11-27 | 卢金辉 | Disposable lunch box capable of preventing repeated use and using method thereof |
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US5027969A (en) * | 1990-07-03 | 1991-07-02 | Ipl Inc. | Closure and container combination |
US5507406A (en) * | 1994-04-26 | 1996-04-16 | Belford Patrick, Inc. | Tamperproof/tamper evident container |
JPH09226796A (en) * | 1996-02-20 | 1997-09-02 | Nishimune Kk | Sealing container |
KR200262120Y1 (en) * | 2001-11-07 | 2002-02-06 | 동진기업 주식회사 | An airtight container for food storage |
US8186531B2 (en) * | 2008-08-29 | 2012-05-29 | Par-Pak Ltd. | Tamper-evident container |
GB2489872B (en) * | 2010-08-26 | 2015-04-01 | Dart Container | Tamper evident container |
US9561885B1 (en) * | 2013-09-27 | 2017-02-07 | Plastic Ingenuity, Inc. | Tamper resistant container |
DE202015006516U1 (en) * | 2015-09-15 | 2015-11-24 | Kiefer Werkzeugbau Gmbh | Plastic packaging with tamper-evident closure |
JP2018100099A (en) * | 2016-12-19 | 2018-06-28 | 凸版印刷株式会社 | Packaging container |
CN107792522A (en) * | 2017-11-09 | 2018-03-13 | 江门市辉捷塑胶五金制造有限公司 | One kind new one presses Shi Bao Fresh boxes |
CN207658328U (en) * | 2017-11-09 | 2018-07-27 | 江门市辉捷塑胶五金制造有限公司 | A kind of side-pull type crisper |
CN107856972A (en) * | 2017-11-25 | 2018-03-30 | 珠海市奇润电子有限公司 | The tamper mess-tin of buckle is pressed with hand in side |
CN109051280A (en) * | 2018-06-15 | 2018-12-21 | 泉州梅洋塑胶五金制品有限公司 | A kind of novel seal packing container |
CN208647543U (en) * | 2018-07-06 | 2019-03-26 | 福建恒盛动漫文化传播有限公司 | A kind of fastening structure of mess-tin |
CN209939366U (en) * | 2019-04-25 | 2020-01-14 | 伍京栋 | Food container |
-
2019
- 2019-04-25 CN CN201910340549.8A patent/CN109969584A/en active Pending
- 2019-06-04 US US16/430,951 patent/US20200339304A1/en not_active Abandoned
- 2019-06-14 WO PCT/CN2019/091274 patent/WO2020215463A1/en active Application Filing
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD1003712S1 (en) * | 2019-11-22 | 2023-11-07 | Hsiao Yu Chung | Lunch box |
USD944640S1 (en) * | 2020-06-24 | 2022-03-01 | Taishan Zhongshang Food Packaging Manufacturing Co., Ltd. | Container |
TWI778725B (en) * | 2021-07-26 | 2022-09-21 | 陳彥丞 | Combined device of a box |
Also Published As
Publication number | Publication date |
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WO2020215463A1 (en) | 2020-10-29 |
CN109969584A (en) | 2019-07-05 |
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