U.S. patent application number 16/016714 was filed with the patent office on 2019-10-17 for food container.
The applicant listed for this patent is Jingdong Wu. Invention is credited to Jingdong Wu.
Application Number | 20190315528 16/016714 |
Document ID | / |
Family ID | 64191313 |
Filed Date | 2019-10-17 |
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United States Patent
Application |
20190315528 |
Kind Code |
A1 |
Wu; Jingdong |
October 17, 2019 |
FOOD CONTAINER
Abstract
Provided is a food container which includes a box body with an
opening and a box cover; the box body includes a box bottom and a
box wall; a top edge of the box wall extends toward the outer side
of the box body to form a first connecting strip; the first
connecting strip is provided with a groove in the middle; the box
cover includes a cover plate and a side wall; a top edge of the
side wall extends toward the outer side of the box cover to form a
second connecting strip; the middle of the second connecting strip
protrudes to form a convex rib; when the box cover covers the
opening of the box body, the convex rib of the box cover is
embedded into the groove of the box body to form a seal structure.
The food container is good at sealing performance.
Inventors: |
Wu; Jingdong; (Taishan City,
CN) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Wu; Jingdong |
Taishan City |
|
CN |
|
|
Family ID: |
64191313 |
Appl. No.: |
16/016714 |
Filed: |
June 25, 2018 |
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
B65D 2543/00296
20130101; B65D 2543/00472 20130101; B65D 2543/00092 20130101; B65D
1/26 20130101; B65D 2543/0074 20130101; B65D 43/0206 20130101; B65D
43/0212 20130101; B65D 43/0202 20130101; B65D 43/0216 20130101 |
International
Class: |
B65D 43/02 20060101
B65D043/02; B65D 1/26 20060101 B65D001/26 |
Foreign Application Data
Date |
Code |
Application Number |
Apr 12, 2018 |
CN |
201820515911.1 |
Claims
1. A food container includes a box body with an opening and a box
cover, wherein the box cover detachably covers the opening of the
box body; the box body includes a box bottom and a box wall
extending upward along the periphery of the box bottom; a top edge
of the box wall extends toward the outer side of the box body to
form a first connecting strip; the first connecting strip is
provided with a groove in the middle, the opening direction of the
groove being same as that of the box body, and the groove
encircling the box body to form a closed ring; the box cover
includes a cover plate and a side wall extending upward along the
periphery of the cover plate; a top edge of the side wall extends
toward the outer side of the box cover to form a second connecting
strip; the middle of the second connecting strip protrudes toward
the direction of the cover plate to form a convex rib; when the box
cover covers the opening of the box body, the outer surface of the
side wall of the box cover is fitted to the inner surface of the
box wall of the box body, the convex rib of the box cover is
embedded into the groove of the box body to form a seal
structure.
2. The food container of claim 1, wherein an edge of the first
connecting strip is bent toward the direction of the box bottom to
form a first bent portion, and an edge of the second connecting
strip is bent toward the direction of the cover plate to form a
second bent portion; and when the box cover covers the opening of
the box body, the first bent portion is fitted to and sealed
against the second bent portion.
3. The food container of claim 2, wherein the width of the second
bent portion is greater than that of the first bent portion; the
inner side of an edge of the second bent portion bulges to form a
lock protrusion; and the lock protrusion extends to an edge of the
second bent portion.
4. The food container of claim 1, wherein the inner surface of the
box wall is provided with a supporting step bulging from the inner
surface; the upper surface of the supporting step is parallel to
the box bottom, and the distance between the upper surface of the
supporting step and the top of the box wall is equal to the height
of the outer surface of the side wall of the box cover to support
the cover plate of the box cover.
5. The food container of claim 1, wherein the outer diameter of the
bottom of the box wall is smaller than or equal to the inner
diameter of the bottom of the side wall of the box cover.
6. The food container of claim 2, the groove is formed by bending
the first connecting strip.
7. The food container of claim 1, wherein a plurality of
reinforcing vertical ribs are arranged on the outer surface of the
box wall.
8. The food container of claim 7, wherein the plurality of
reinforcing vertical ribs are uniformly arranged at intervals in a
top area of the outer surface of the box wall, and the length of
each reinforcing vertical rib is not greater than one fourth the
height of the box body.
9. The food container of claim 7, wherein a central part of the
outer surface of the box bottom is recessed toward the direction of
an accommodating space of the box body to form a convex ring at a
peripheral edge of the outer surface of the box bottom.
10. The food container of claim 7, wherein the outer surface of the
box wall is provided with at least one anti-slip protrusion.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application claims priority to Chinese Application No.
CN 201820515911.1 having a filing date of Apr. 12, 2018, the entire
contents of which are hereby incorporated by reference.
FIELD OF TECHNOLOGY
[0002] The following relates to the technical field of articles for
daily use, in particular to a food container.
BACKGROUND
[0003] Food containers are utensils commonly used in people's daily
life. Referring to FIG. 1, which is a side sectional view of an
existing food container, the existing food container includes a box
body 1' with an opening and a box cover 2', wherein the box cover
2' detachably covers the opening of the box body 1'; the box body
1' includes a box bottom 10' and a box wall 11' extending upward
along the periphery of the box bottom 10'; and the box cover 2' is
of a plate-like structure and has an edge bent to form a bent
portion 20'. When the box cover 2' covers the opening of the box
body 1', the inner side of the bent portion 20' of the box cover 2'
is fitted to and sealed against the outer side of the top of the
box wall 11' of the box body 1' to achieve the purpose of storing
food within the box body 1'.
[0004] However, due to the very simple structure, the existing food
container is poor in sealing performance, and the box body 1' and
the box cover 2' are liable to separation from each other such that
food leakage occurs or external air, moisture, microorganisms or
the like enters the food container and contaminates the food, thus
affecting the quality of the food and shorting the shelf life of
the food.
SUMMARY
[0005] An aspect relates to a food container with the advantages of
having good sealing performance and a simple structure, and being
space-saving and convenient to hold, and a plurality of food
containers can be stacked together.
[0006] A technical solution adopted in embodiments of the present
invention is as follows:
[0007] A food container includes a box body with an opening and a
box cover, wherein the box cover detachably covers the opening of
the box body; the box body includes a box bottom and a box wall
extending upward along the periphery of the box bottom; a top edge
of the box wall extends toward the outer side of the box body to
form a first connecting strip; the first connecting strip is
provided with a groove in the middle, the opening direction of the
groove being same as that of the box body, and the groove
encircling the box body to form a closed ring; the box cover
includes a cover plate and a side wall extending upward along the
periphery of the cover plate; a top edge of the side wall extends
toward the outer side of the box cover to form a second connecting
strip; the middle of the second connecting strip protrudes toward
the direction of the cover plate to form a convex rib; when the box
cover covers the opening of the box body, the outer surface of the
side wall of the box cover is fitted to the inner surface of the
box wall of the box body, the convex rib of the box cover is
embedded into the groove of the box body to form a seal
structure.
[0008] In embodiments of the present invention, fitting between the
box wall of the box body and the side wall of the box cover and
fitting between the groove of the box body and the convex rib of
the box cover achieve a good sealing effect, and firm joining of
the first connecting strip and the second connecting strip achieves
close fitting between the box cover and the box body and improves
the sealing performance of the food container. Second, the box
cover is composed of the cover plate and the side wall and has the
accommodating space therein available for stacking other food
container or article, thus achieving a space saving effect.
Furthermore, when the box cover needs to be lifted, the user can
pull out the edge of the box cover using his thumb, and at the same
time fix the side wall of the box cover using other fingers,
thereby easily removing the box cover; with the side wall of the
box cover as a force receiving surface, the operation difficulty of
opening the food container can be reduced; and when the user grasps
the food container, his thumb can clasp the side wall of the box
cover to improve the holding stability and prevent food spilling
due to slip of the hand.
[0009] Compared with the known art, the food container of
embodiments of the present invention has the advantages of having
good sealing performance, humanized design and a simple structure,
and being space-saving, convenient to hold, highly practical and
easy to manufacture, and a plurality of food containers can be
stacked together; and the food container can be used as a lunch
box, a liquid containing cup or the like.
[0010] Further, an edge of the first connecting strip is bent
toward the direction of the box bottom to form a first bent
portion, and an edge of the second connecting strip is bent toward
the direction of the cover plate to form a second bent portion; and
when the box cover covers the opening of the box body, the first
bent portion is fitted to and sealed against the second bent
portion, so that the sealing performance of the food container can
be further enhanced and a multi-sealing effect is achieved.
[0011] Further, the width of the second bent portion is greater
than that of the first bent portion; the inner side of an edge of
the second bent portion bulges to form a lock protrusion; and the
lock protrusion extends to an edge of the second bent portion.
[0012] With the lock protrusion, the position of the first bent
portion can be limited to prevent the first bent portion from
separating from the second bent portion and further improve the
sealing performance of the food container; furthermore, the lock
protrusion can serve as a force applying point for removing the box
cover, and the user can open the food container by pulling out the
lock protrusion, thus reducing the operation difficulty.
[0013] Further, the inner surface of the box wall is provided with
a supporting step bulging from the inner surface; the upper surface
of the supporting step is parallel to the box bottom, and the
distance between the upper surface of the supporting step and the
top of the box wall is equal to the height of the outer surface of
the side wall of the box cover to support the cover plate of the
box cover.
[0014] The supporting step can function to support the cover plate
of the box cover to improve the load bearing capability of the box
cover, which is conducive to stacking more food containers or
articles on the box cover to achieve the space saving purpose.
[0015] Further, the outer diameter of the bottom of the box wall is
smaller than or equal to the inner diameter of the bottom of the
side wall of the box cover, so that the inner space of the box
cover can accommodate the bottom of the box wall, and when a
plurality of food containers with food contained therein are
stacked together, as the side wall retains the bottom of the box
wall, the overall stability of stacking the food container can be
improved, and the number of stacked food containers can be
increased, thus saving space and facilitating transport.
[0016] Further, the groove is formed by bending the first
connecting strip, and thus the first connecting strip is somewhat
elastic, such that the first bent portion is more closely fitted to
the second bent portion, and the outer surface of the side wall of
the box cover is more closely fitted to the inner surface of the
box wall of the box body, which is conducive to improving the
sealing performance.
[0017] Further, a plurality of reinforcing vertical ribs are
arranged on the outer surface of the box wall to improve the
mechanical strength.
[0018] Further, the plurality of reinforcing vertical ribs are
uniformly arranged at intervals in a top area of the outer surface
of the box wall, and the length of each reinforcing vertical rib is
not greater than one fourth the height of the box body.
[0019] Generally, the top of the box wall is mostly liable to
deformation under heat to result in leakage of high-temperature
liquid, so providing the reinforcing vertical ribs in this area can
maximally reduce the possibility of leakage and improve the safety;
and when the length of each reinforcing vertical rib is not greater
than one fourth the height of the box body, the effect of improving
the mechanical strength can be achieved and unnecessary material
cost can be reduced.
[0020] Further, a central part of the outer surface of the box
bottom is recessed toward the direction of an accommodating space
of the box body to form a convex ring at a peripheral edge of the
outer surface of the box bottom, thus facilitating grasping it by a
finger, improving the holding stability and avoiding a food
spilling accident.
[0021] Further, the outer surface of the box wall is provided with
at least one anti-slip protrusion, so that the stability of
grasping with a hand can be effective improved.
[0022] For the sake of better understanding and implementation,
embodiments of the present invention is described in detail below
in conjunction with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Some of the embodiments will be described in detail, with
reference to the following figures, wherein like designations
denote like members, wherein:
[0024] FIG. 1 is a side sectional view of an existing food
container;
[0025] FIG. 2 is a structure diagram of a food container of
embodiments of the present invention;
[0026] FIG. 3 is a front view of the food container of embodiments
of the present invention;
[0027] FIG. 4 is a top view of the food container of embodiments of
the present invention;
[0028] FIG. 5 is a sectional view in a direction A-A of FIG. 4;
[0029] FIG. 6 is an enlarged view of a part I in FIG. 5; and
[0030] FIG. 7 is a bottom diagram of the food container of
embodiments of the present invention.
DETAILED DESCRIPTION
[0031] Please refer to FIGS. 2-7 at the same time, wherein FIG. 2
is a structure diagram of a food container of embodiments of the
present invention; FIG. 3 is a front view of the food container of
embodiments of the present invention; FIG. 4 is a top view of the
food container of embodiments of the present invention; FIG. 5 is a
sectional view in a direction A-A of FIG. 4; FIG. 6 is an enlarged
view of a part I in FIG. 5; and FIG. 7 is a bottom diagram of the
food container of embodiments of the present invention.
[0032] The food container of embodiments of the present invention
includes a box body 1 with an opening and a box cover 2, wherein
the box cover 2 detachably covers the opening of the box body 1.
The box body 1 includes a box bottom 10 and a box wall 11 extending
upward along the periphery of the box bottom 10. The box cover 2
includes a cover plate 20 and a side wall 21 extending upward along
the periphery of the cover plate 20, the outer surface of the side
wall 21 and the inner surface of the box wall 11 being form fitted.
Preferably, the height of the box cover 2 is not greater than one
fifth that of the box body 1, to ensure a sufficient volume within
the box body 1 for containing food.
[0033] As shown in FIGS. 5 and 6, a top edge of the box wall 11
extends toward the outer side of the box body 1 to form a first
connecting strip 110; in this embodiment, preferably, the top edge
of the box wall 11 extends horizontally toward the outer side of
the box body 1 to form the first connecting strip 110. The first
connecting strip 110 is provided with a groove 111 in the middle,
the opening direction of the groove 111 being same as that of the
box body 1, and the groove 111 encircling the box body 1 to form a
closed ring. Preferably, the groove 111 is formed by bending the
first connecting strip 110. An edge of the first connecting strip
110 is bent toward the direction of the box bottom 10 to form a
first bent portion 112. The bent part of the first bent portion 112
is arc-shaped to avoid injuring a user's hand due to its excessive
sharpness.
[0034] The inner surface of the box wall 11 is provided with a
supporting step 113 bulging from the inner surface. The upper
surface of the supporting step 113 is parallel to the box bottom
10, and the distance between the upper surface of the supporting
step and the top of the box wall 11 is equal to the height of the
outer surface of the side wall 21 of the box cover 2 to support the
cover plate 20 of the box cover 2. There are various forms of the
supporting step 113. For example, there are two supporting steps
113, and the two supporting steps 113 are arranged at two sides of
the box bottom 10 respectively and can provide two-point support
for the outer surface of the cover plate 20; as another example,
there are more than two supporting steps 113, and the plurality
supporting step 113 are arranged at intervals around the box bottom
10 and can provide multi-point support for the outer surface of the
cover plate 20; as a further example, the supporting step 113 forms
a closed ring around the inner surface of the box body 1, with an
opening thus formed being smaller than the size of the cover plate
20, and can support a peripheral edge of the outer surface of the
cover plate 20.
[0035] A plurality of reinforcing vertical ribs 114 are arranged in
a top area of the outer surface of the box wall 11, the plurality
of reinforcing vertical ribs 114 being distributed uniformly at
intervals, and the length of each reinforcing vertical rib 114
being not greater than one fourth the height of the box body 1. The
outer surface of the box wall 11 is also provided with at least one
anti-slip protrusion 115.
[0036] As shown in FIGS. 5 and 7, a central part of the outer
surface of the box bottom 10 is recessed toward the direction of an
accommodating space of the box body 1 to form a convex ring 101 at
a peripheral edge of the outer surface of the box bottom 10, the
width of the convex ring 101 being 5-300 mm to facilitate the user
holding it with a finger.
[0037] As shown in FIGS. 5 and 6, a top edge of the side wall 21
extends toward the outer side of the box cover 2 to form a second
connecting strip 210; in this embodiment, preferably, the top edge
of the side wall 21 extends horizontally toward the outer side of
the box cover 21 to form the second connecting strip 210. The
middle of the second connecting strip 210 protrudes toward the
direction of the cover plate 20 to form a convex rib 211. An edge
of the second connecting strip 210 is bent toward the direction of
the cover plate 20 to form a second bent portion 212, the second
bent portion 212 and the first bent portion 112 being form fitted,
and the width of the second bent portion being greater than that of
the first bent portion 112 and smaller than the height of the side
wall 21. The inner side of an edge of the second bent portion 212
bulges to form a lock protrusion 213, the lock protrusion 213
extending to an edge of the second bent portion 212 and having two
inclined surfaces which are oblique toward the cover plate 20 and
toward the outer side of the cover plate 20 respectively, with an
arc transition formed between the two inclined surfaces to avoid
injuring the user's hand due to its excessive sharpness.
[0038] When the box cover 2 covers the opening of the box body 1,
the outer surface of the side wall 21 of the box cover 2 is fitted
to the inner surface of the box wall 11 of the box body 1, the
convex rib 211 of the box cover 2 is embedded into the groove 111
of the box body 1 to form a seal structure, and the first bent
portion 112 is fitted to and sealed against the second bent portion
212.
[0039] The box wall 11 is oblique toward the outer side of the box
bottom 10, and thus the inner diameter of the box wall 11 gradually
increases from the periphery of the box bottom 10 to the first
connecting strip 110. The side wall 21 of the box cover 2 is
oblique toward the outer side of the cover plate 20, and thus the
inner diameter of the side wall 21 gradually increases from the
periphery of the cover plate 20 to the second connecting strip 210.
The outer diameter of the bottom of the box wall 11 is smaller than
or equal to the inner diameter of the bottom of the side wall 21 of
the box cover 2, so that the inner space of the box cover 2 can
accommodate the bottom of the box wall 11, and when a plurality of
food containers are stacked together, the side wall 21 retains the
bottom of the box wall 11.
[0040] The food container may be circular, elliptical, rectangular,
pentagonal, hexagonal or in other irregular shape. Further
preferably, the box bottom 10 of the embodiment is circular, and
the cover plate 20 is also circular. The volume of the food
container is within the range of 100-50000 ml. The food container
is made of food-grade polypropylene, high-impact polystyrene,
biaxially oriented polystyrene, natural inorganic mineral-filled
polypropylene composite, paper product or the like to be conducive
to degradation or recycling, and is made by using molds.
[0041] The working principle of the food container of embodiments
of the present invention is as follows:
[0042] After food is contained, the user puts the box cover 2 onto
the opening of the box body 1, and joins the first connecting strip
110 and the second connecting strip 210; by pressing the convex rib
211 into the groove 111, the first bent portion 112 is closely
fitted to the second bent portion 212, and the side wall 21 of the
box cover 2 is closely fitted to the box wall 11 of the box body 1,
and the lock protrusion 213 can have a retaining effect to prevent
the first bent portion 112 from separating from the second bent
portion 212 and achieve good sealing of the food within the food
container. The user can stack together a plurality of food
containers with food contained therein to reduce the accommodating
space and facilitate transport, and the convex ring 101 of the box
bottom 10 facilitates grasping. When the box cover 2 needs to be
lifted, the user can pull out the lock protrusion 213 with his
thumb, and at the same time fixes the inner surface of the side
wall 21 of the box cover 2 by other fingers, thereby easily
removing the box cover 2.
[0043] Although the present invention has been disclosed in the
form of preferred embodiments and variations thereon, it will be
understood that numerous additional modifications and variations
could be made thereto without departing from the scope of the
invention.
[0044] For the sake of clarity, it is to be understood that the use
of `a` or `an` throughout this application does not exclude a
plurality, and `comprising` does not exclude other steps or
elements.
* * * * *