WO2019237682A1 - Contenant d'emballage anti-déformation amélioré - Google Patents

Contenant d'emballage anti-déformation amélioré Download PDF

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Publication number
WO2019237682A1
WO2019237682A1 PCT/CN2018/118971 CN2018118971W WO2019237682A1 WO 2019237682 A1 WO2019237682 A1 WO 2019237682A1 CN 2018118971 W CN2018118971 W CN 2018118971W WO 2019237682 A1 WO2019237682 A1 WO 2019237682A1
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WO
WIPO (PCT)
Prior art keywords
groove
wall
mating
matching
groove wall
Prior art date
Application number
PCT/CN2018/118971
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English (en)
Chinese (zh)
Inventor
张冬阳
蔡啸杰
蔡沧洋
庄跃新
Original Assignee
泉州梅洋塑胶五金制品有限公司
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Filing date
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Application filed by 泉州梅洋塑胶五金制品有限公司 filed Critical 泉州梅洋塑胶五金制品有限公司
Publication of WO2019237682A1 publication Critical patent/WO2019237682A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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

Definitions

  • the invention relates to a container, in particular to an improved anti-deformation packaging container.
  • Patent No. 89218416 discloses a plastic blister snack box, which adopts two self-locking structures with concave and convex steps to replace the planar anastomosis of the original product. After the snack box is closed, it cannot be opened without relying on the outside, and the sealing performance is improved. . However, when such a fast-food box is squeezed and deformed, a gap is generated between the box cover and the box body, and the soup cannot effectively prevent the soup from overflowing.
  • Chinese invention patent 200510042475.8 discloses a fully sealed ultra-thin food container with excellent sealing performance and compressive strength, which can effectively prevent the leakage of food soup, and that the lid of the box is not easy to fall off when the flexible box is squeezed. It includes a box lid and an open box body. The edge of the box lid extends upward to form an inner groove wall. The upper end of the inner groove wall is horizontally bent to extend outward to form a groove top. The outer end of the groove top is bent downward to form an outer groove.
  • the wall is formed by an inner groove wall, a groove top, and an outer groove wall forming a downwardly-opening annular groove.
  • the box mouth of the box body extends upward to form an inner straight edge, and the upper end of the inner straight edge is horizontally bent outward to form a flat edge. The outer end of the flat edge is bent down to extend the outer straight edge.
  • the inner straight edge, flat edge and outer straight edge form the double edge of the box mouth.
  • the groove is buckled on the double edge of the box mouth.
  • the inner groove wall of the groove The inner side is attached to the outer side of the inner straight edge of the double edge of the box mouth, and a lock portion is provided at the joint.
  • the inner surface of the outer groove wall of the groove has a horizontally protruding projection, and the projection is locked.
  • the outer straight edge of the rim of the box mouth is extended downward and outward, and the lower straight end of the rim of the box mouth is abutted on the inner side of the outer groove wall of the groove.
  • the inner side of the inner wall of the groove is attached to the outer side of the inner straight edge of the box mouth compound edge, and a lock portion is provided at the joint to form an inner seal structure;
  • the outer straight edge of the box mouth compound edge It extends obliquely downward and outward, and its lower end part is supported on the inner side surface of the outer groove wall of the groove to form an external sealing structure;
  • the inner surface of the outer groove wall of the groove has a horizontally protruding protrusion, and the protrusion
  • the lower end of the outer straight edge of the double edge of the lock box mouth forms a trip prevention structure. Therefore, excellent sealing performance and compressive strength can be achieved, and the food soup can be effectively prevented from leaking, and the cover is not easy to fall off when the flexible box body is squeezed.
  • the outer straight edge of the double edge of the box mouth of the box body extends obliquely downward and outward, and its lower end part is supported on the inner side surface of the outer groove wall of the annular groove of the box cover.
  • the object of the present invention is to provide an improved packaging container with stable anti-trip structure.
  • An improved anti-deformation packaging container includes a container lid and an open container body.
  • An edge of the container lid is outwardly extended with a first annular inner matching groove with a notch downward, and the first inner fitting
  • the lower end portion of the outer groove wall of the groove is bent outwards and upwards in order to form a first annular outer matching groove with the groove opening upward
  • the mouth of the container body is provided with an annular groove with a downward opening downward
  • a second inner fitting groove of the second inner fitting groove, the lower end of the outer groove wall of the second inner fitting groove is bent outwards and upwards in order to form a ring-shaped second outer fitting groove with the notch upward
  • the groove, the first outer fitting groove, the second inner fitting groove, and the second outer fitting groove are all elastic fitting grooves
  • the second inner fitting groove is nested in the first inner fitting groove
  • the first outer mating groove is nested in the second outer mating groove;
  • the inner side surface of the outer groove wall of the second outer matching groove is provided with a limiting protrusion, and the limiting protrusion locks an upper end portion of the outer groove wall of the first outer matching groove; or / and, the first
  • the outer groove walls of the two outer mating grooves have a reverse tapered surface structure.
  • the outer groove walls of the first outer mating groove and the outer groove walls of the second outer mating groove are in surface contact with each other or are elastically supported.
  • the edge of the container lid is bent upwards to form an inner groove wall of the first inner mating groove, and an upper end portion of the inner groove wall of the first inner mating groove is bent outward to extend to form the first inner mating groove.
  • the outer end of the groove top of the first inner mating groove is bent downward to extend to form the outer groove wall of the first inner mating groove or the inner groove wall of the first outer mating groove,
  • the lower end portion of the outer groove wall of the first inner matching groove is bent outward to form a groove bottom of the first outer fitting groove, and the outer end portion of the groove bottom of the first outer fitting groove is bent upward to form the
  • the mouth of the container body is bent upward to extend to form the inner groove wall of the second inner fitting groove, and the upper end portion of the inner groove wall of the second inner fitting groove is outward Bend and extend to form the groove top of the second inner matching groove, and the outer end portion of the groove top of the second inner fitting groove is bent downward to form the outer groove wall
  • the limiting protrusions are distributed along the circumferential direction on the inner side surface of the outer groove wall of the second outer matching groove, and the limiting protrusions have a dot-like structure or a pointed structure; or the limiting protrusions
  • the block is in a closed loop shape and is arranged on the inner side surface of the outer groove wall of the second outer matching groove in the circumferential direction.
  • the outer groove wall of the second outer matching groove is provided with a handle or a pull ring.
  • the outer groove wall of the second outer matching groove is provided with first and second cutouts that are vertically distributed.
  • the depth of the first and second cutouts is slightly smaller than that of the second outer fitting groove.
  • the wall thickness of the outer groove wall is slightly smaller than that of the second outer fitting groove.
  • the wall thickness of the outer groove wall of the second outer matching groove is 0.40 mm, and the depth of the first notch and the second notch is 0.30-0.35 mm.
  • the upper edge of the outer groove wall of the second outer matching groove is provided with a notch, and the outer groove wall of the second outer matching groove is provided with a thin-walled area corresponding to the notch in the vertical direction.
  • the wall thickness of the thin-walled region is 0.05-0.10 mm.
  • the second inner mating groove is nested in the first inner mating groove
  • the first outer mating groove is nested in the second outer mating groove
  • the edge of the container lid and the Rotary mating structures are formed between the rims.
  • the strength of the joint between the container lid and the container body is relatively high.
  • the anti-trip structure can adopt five forms. Both the third and the third are realized by the reverse tapered surface structure of the outer groove wall of the outer matching groove, and the fourth and the fifth are realized by the pressing member.
  • the limiting protrusion When it is realized by the limiting protrusion, the limiting protrusion is above, the upper end portion of the outer groove wall of the first outer mating groove is below, and the upper end portion of the outer groove wall of the first outer mating groove is performed by the limiting protrusion.
  • the lock forms a first anti-trip structure.
  • the outer groove wall of the first outer mating groove and the outer groove wall of the second outer mating groove are in surface contact with each other or are elastically supported.
  • the methods are in line contact with each other, and the outer groove wall of the first outer matching groove is locked by the reverse tapered surface structure of the outer groove wall of the second outer matching groove to form second and third anti-trip structures, respectively.
  • the outer side surface of the inner groove wall of the first inner matching groove and the inner side surface of the inner groove wall of the second inner matching groove are respectively provided with a first inner pressing member and a second inner engaging with each other.
  • a pressing member; or / and, an inner side surface of the outer groove wall of the first inner matching groove and an outer side surface of the outer groove wall of the second inner matching groove are respectively provided with a first outer pressing member and a second outer pushing Pressing parts, respectively forming a fourth and a fifth anti-trip structure.
  • the improved packaging container of the present invention can effectively overcome squeezing or twisting by external force, has a stable anti-trip structure, and has high strength.
  • a handle or a pull ring is provided on an outer groove wall of the second outer matching groove.
  • the outer groove wall of the second outer matching groove can be easily pulled outward to deform it, and the outer groove wall of the first outer matching groove is exposed, which is convenient for opening the container lid.
  • the outer groove wall of the second outer matching groove is provided with a first cutout and a second cutout that are vertically distributed, and the depth of the first cutout and the second cutout is slightly smaller than that of the second cutout.
  • the upper edge of the outer groove wall of the second outer matching groove is provided with a notch, and the outer groove wall of the second outer matching groove is provided with a thin-walled area corresponding to the notch in a vertical direction.
  • the thin-walled area is partially or completely ripped through this gap in the vertical direction to expose the outer groove wall of the first outer matching groove, which is convenient for opening the container lid.
  • the container is made of a material with a small amount of deformation, it is convenient to open the container.
  • FIG. 1 is a schematic diagram of an overall structure of Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of the cooperation between a box cover and a box body according to the first embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a box cover part in FIG. 2;
  • FIG. 4 is a schematic structural diagram of a box body part in FIG. 2;
  • FIG. 5 is a schematic diagram of a cooperation between a box cover and a box body in Embodiment 2 of the present invention.
  • FIG. 6 is a schematic structural diagram of a box cover part in FIG. 5;
  • FIG. 7 is a schematic structural diagram of a box body portion in FIG. 5;
  • FIG. 8 is a schematic structural diagram of a pull ring provided on an outer groove wall of a second outer matching groove in the present invention.
  • FIG. 9 is a schematic structural diagram of a handle provided on an outer groove wall of a second outer matching groove in the present invention.
  • FIG. 10 is a schematic structural diagram of a cutout provided on an outer groove wall of a second outer matching groove in the present invention.
  • FIG. 11 is a schematic structural diagram of a thin-walled region provided on an outer groove wall of a second outer matching groove in the present invention.
  • FIG. 12 is a schematic diagram of the cooperation between the box cover and the box body in the third embodiment of the present invention.
  • Figure 13 is a schematic view of the cooperation of the box cover and the box body in Embodiment 4 of the present invention.
  • Figure 14 is a schematic diagram of the cooperation between the box cover and the box body in Embodiment 5 of the present invention.
  • FIG. 15 is a schematic diagram of the cooperation between a box cover and a box body in Embodiment 6 of the present invention.
  • the present invention provides an improved packaging container.
  • a packaging box is taken as an example for description.
  • the direction facing the central axis of the packaging box is inward and the direction facing away from the central axis of the packaging box is outward.
  • the box cover and the box body of the packaging box are all made of elastic material, or the matching parts of the box cover and the box body are made of elastic material.
  • Elastic materials can be ultra-thin injection materials with better elasticity and plasticity, or other elastic materials, such as thicker plastics or elastic metals.
  • An improved anti-deformation packaging container as shown in FIG. 1-4 of the first embodiment, includes a box cover 1 and an open box body 2, and a slot opening direction is provided on an edge of the box cover 1 extending outward.
  • a lower first annular inner matching groove 11, and a lower end portion of the outer groove wall 113 of the first inner matching groove is bent outward and upwards in order to form a first annular outer matching groove 12 with an upward opening.
  • the outer edge of the box body 2 is provided with a second annular inner matching groove 21 with a notch downward, and the lower end portion of the outer groove wall 213 of the second inner matching groove is bent outward and upward in order.
  • the mating grooves 22 are all elastic mating grooves; the inner side surface of the outer groove wall 223 of the second outer mating groove is provided with a limiting bump 23; the second inner mating groove 21 is nested in the first inner mating groove 11 Inside, the first outer mating groove 12 is nested in the second outer mating groove 22, and the limiting protrusion 23 locks the upper end of the outer groove wall 123 of the first outer mating groove unit.
  • an edge of the box cover 1 is bent upward to form an inner groove wall 111 of the first inner mating groove 11, and an upper end portion of the inner groove wall 111 of the first inner mating groove is bent outward.
  • the groove top 112 of the first inner mating groove is folded to extend, and the outer end portion of the groove top 112 of the first inner mating groove is bent downward to extend to form the outer groove wall 113 or the outer groove wall of the first inner mating groove.
  • the inner groove wall 121 of the first outer mating groove (the outer groove wall 113 of the first inner mating groove and the inner groove wall 121 of the first outer mating groove are common), and the lower end of the outer groove wall 113 of the first inner mating groove
  • the outer bottom of the first outer mating groove is formed by bending outwardly to form the groove bottom 122 of the first outer mating groove, and the outer end portion of the first outer mating groove is bent upward to form an outer groove wall of the first outer mating groove.
  • the mouth of the box body 2 is bent upward and extends to form an inner groove wall 211 of the second inner fitting groove 21, and an upper end portion of the inner groove wall 211 of the second inner fitting groove is outward. Bend and extend to form the groove top 212 of the second inner fitting groove, and the outer end portion of the groove top 212 of the second inner fitting groove is bent down to form the outer groove wall 213 of the second inner fitting groove or
  • the inner groove wall 221 of the second outer mating groove (the outer groove wall 213 of the second inner mating groove is shared with the inner groove wall 221 of the second outer mating groove).
  • the lower end portion is bent outwardly to form the groove bottom 222 of the second outer mating groove, and the outer end portion of the groove bottom 222 of the second outer mating groove is bent up to extend to form the outer groove of the second outer mating groove.
  • the second inner mating groove 21 is nested in the first inner mating groove 11
  • the first outer mating groove 12 is nested in the second outer mating groove 22
  • the edge of the box lid 1 and the box body The rims of 2 form a staggered rotary mating structure.
  • the strength of the joint between the box cover 1 and the box body 2 is high; and the limiting projection 23 is on the upper end of the outer groove wall 123 of the first outer matching groove.
  • the upper part of the outer groove wall 123 of the first outer matching groove is locked by the limiting protrusion 23 to form a first trip prevention structure.
  • the second inner mating groove 21 and the second outer mating groove 22 both receive an inward and downward pulling force.
  • the two inner mating grooves 21 and the second outer mating grooves 22 are interleaved with the first inner mating groove 11 and the first outer mating groove 12 and the second outer mating groove 22 is outside and the first outer mating groove 12 is inside.
  • the second inner mating groove 21 and the second outer mating groove 22 are pulled inwardly and downwardly by an external force
  • the second outer mating groove 22 is more tightly pressed outside the first outer mating groove 12 and the limit projection 23 is more tightly pressed at the first
  • An upper end portion of the outer groove wall 123 of the outer matching groove 12 locks it, and the more it is squeezed or twisted by force, the anti-trip structure is locked tighter. Therefore, the improved packaging container of the present invention can effectively overcome squeezing or twisting by external force, has a stable anti-trip structure, and has high strength.
  • the limiting protrusions 23 are distributed along the circumferential direction on the inner side surface of the outer groove wall 223 of the second outer matching groove, and the limiting protrusions 23 have a dot-like structure or a pointed structure; or The position-limiting bumps 23 are formed in a closed loop shape on the inner side surface of the outer groove wall 223 of the second outer matching groove in the circumferential direction.
  • the corresponding inner and outer groove walls of the first inner mating groove 11 and the second inner mating groove 21 each adopt a matching tapered surface structure.
  • Each of the corresponding inner and outer groove walls of the one outer matching groove 12 and the second outer matching groove 22 adopts a matching tapered surface structure.
  • the second embodiment of the present invention is different from the first embodiment only in that the corresponding inner and outer groove walls of the first inner matching groove 11 and the second inner matching groove 21 are adapted.
  • the corresponding inner and outer groove walls of the first outer mating groove 12 and the second outer mating groove 22 each adopt a matching straight edge structure.
  • the respective inner and outer groove walls of the first inner mating groove 11 and the second inner mating groove 21 between them, and between the bottoms of the first inner mating groove 11 and the second inner mating groove 21, they may be in contact with each other, or may not be in contact.
  • the difference between this embodiment and the first embodiment is only that the limiting protrusion 23 is omitted, and the outer groove wall of the second outer matching groove 22 and the outer groove wall of the first outer matching groove 12 are in phase with each other.
  • the outer groove wall of the first outer mating groove 12 and the outer groove wall 223 of the second outer mating groove are fitted together to form an outer edge sealing structure, and the edge of the box cover 1 and the box are realized. Sealing performance between the rims of the body 2.
  • the outer groove wall 123 of the first outer fitting groove is locked by the outer groove wall of the second outer fitting groove 22 of the reverse tapered surface structure to form a second trip prevention structure.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the difference between this embodiment and the first embodiment is only that: the limiting protrusion 23 is omitted, the outer groove wall of the second outer matching groove 22 has an inverted cone structure, and the The outer groove wall has a tapered surface structure, and the upper end portion of the outer groove wall 123 of the first outer mating groove is tilted upwards and outwards to support the inner side surface of the outer groove wall 223 of the second outer mating groove to form an outer seal line , To achieve the sealing performance between the edge of the box cover 1 and the mouth of the box body 2.
  • the upper end portion of the outer groove wall 123 of the first outer fitting groove is locked by the outer groove wall of the second outer fitting groove 22 of the reverse tapered surface structure to form a third trip prevention structure.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • the only difference from the embodiment is that the limiting protrusion 23 is omitted, the outer side of the inner groove wall 111 of the first inner matching groove 11 and the second inner matching groove 21 are omitted.
  • a first inner pressing member 1111 and a second inner pressing member 2111 that are engaged with each other are respectively provided on the inner side surfaces of the inner groove wall 211.
  • the first inner pressing member 1111 and the second inner pressing member 2111 are engaged with each other to form a fourth trip prevention structure.
  • Embodiment 6 is a diagrammatic representation of Embodiment 6
  • the difference from the first embodiment is only that: the limiting protrusion 23 is omitted, the inner side surface of the outer groove wall 113 of the first inner matching groove 11 and the second inner matching groove 21
  • a first outer pressing member 1131 and a second outer pressing member 2131 which are engaged with each other are respectively provided on the outer sides of the outer groove wall 213.
  • the first outer pressing member 1131 and the second outer pressing member 2131 are engaged with each other to form a fifth trip prevention structure.
  • the core invention of the present invention lies in that: inner and outer mating grooves are respectively provided on the edge of the container cover and the mouth of the container body, so that the edge of the container cover and the mouth of the container body form a mutually staggered rotary matching structure.
  • the strength of the joint between the lid and the container body is high; the anti-trip structure can adopt five forms, the first one is realized by a limiting protrusion, and the second and the third are both through the outer groove wall of the outer matching groove.
  • the reverse cone structure is implemented, and the fourth and fifth types are realized by the pressing member.
  • the limiting protrusion When it is realized by the limiting protrusion, the limiting protrusion is above, the upper end portion of the outer groove wall of the first outer mating groove is below, and the upper end portion of the outer groove wall of the first outer mating groove is performed by the limiting protrusion.
  • the lock forms a first anti-trip structure.
  • the outer groove wall of the first outer mating groove and the outer groove wall of the second outer mating groove are in surface contact with each other or are elastically supported.
  • the methods are in line contact with each other, and the outer groove wall of the first outer matching groove is locked by the reverse tapered surface structure of the outer groove wall of the second outer matching groove to form second and third anti-trip structures, respectively.
  • the outer side surface of the inner groove wall of the first inner matching groove and the inner side surface of the inner groove wall of the second inner matching groove are respectively provided with a first inner pressing member and a second inner engaging with each other.
  • a pressing member; or / and, an inner side surface of the outer groove wall of the first inner matching groove and an outer side surface of the outer groove wall of the second inner matching groove are respectively provided with a first outer pressing member and a second outer pushing Pressing parts, respectively forming a fourth and a fifth anti-trip structure.
  • the packaging container of the present invention can effectively overcome squeezing or twisting by external force, and the anti-trip structure is relatively stable and has high strength.
  • the upper end of the outer groove wall 123 of the first outer matching groove is locked below the limiting protrusion 23.
  • each groove wall of each matching groove adopts a tapered surface structure
  • the taper of the tapered surface is selected to be 2-12 °.
  • the outer groove wall of the second outer matching groove is respectively provided with a pull ring 2231 and a handle 2232.
  • the handle 2232 or the pull ring 2231 the outer groove wall of the second outer mating groove can be easily pulled outward to deform it, exposing the outer groove wall of the first outer mating groove, which is convenient for opening the container lid.
  • the outer groove wall of the second outer matching groove is provided with first slits 2233 and second slits 2234, which are vertically distributed, and the first slit 2233 and the second slit
  • the depth of the cutout 2234 is slightly smaller than the wall thickness of the outer groove wall of the second outer fitting groove.
  • the part of the outer groove wall of the second outer mating groove located between the two notches can be partially or completely opened vertically through two cutouts, exposing the outer groove wall of the first outer mating groove, which is convenient for opening the lid of the container.
  • an upper edge of an outer groove wall of the second outer matching groove is provided with a notch, and an outer groove wall of the second outer matching groove is provided corresponding to the notch in a vertical direction.
  • Thin-walled area 2235 A part or all of the thin-walled area 2235 is torn apart vertically through this gap to expose the outer groove wall of the first outer matching groove, which is convenient for opening the container lid.
  • a gap may be left between the groove bottom 122 of the first outer mating groove and the groove bottom 222 of the second outer mating groove. If the gap exists, if a packing box is used The material with a small amount of deformation can be used to pry in the gap when opening the packaging box, which is convenient for opening the packaging box.
  • the five types of anti-trip structures can be separately provided, or two or three or four or five types can be used in combination.

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

Abstract

L'invention concerne un contenant d'emballage anti-déformation comprenant : un couvercle de contenant (1) et un corps de contenant ouvert (2), une première rainure d'adaptation intérieure (11) et une première rainure d'adaptation extérieure (12) comprenant une structure à double repli étant agencées le long des bords du couvercle du contenant (1), et une seconde rainure d'adaptation intérieure (21) et une seconde rainure d'adaptation extérieure (22) étant agencées de manière correspondante le long d'une ouverture du contenant (2) ; l'invention concerne également une structure anti-détachement. Ce contenant d'emballage anti-déformation possède des capacités importantes anti-déformation, et la structure anti-détachement est stable.
PCT/CN2018/118971 2018-06-15 2018-12-03 Contenant d'emballage anti-déformation amélioré WO2019237682A1 (fr)

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CN201820930368 2018-06-15

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CN204812525U (zh) * 2015-08-18 2015-12-02 浙江新天力容器科技有限公司 一种圆形密封塑料餐盒
CN206462566U (zh) * 2017-01-19 2017-09-05 北京正耀包装制品有限公司 一种一次性密封饭盒
CN207174277U (zh) * 2017-07-18 2018-04-03 四川聚釜有盛新材料有限公司 一种从内侧防止漏水的盛放容器
CN207341353U (zh) * 2017-09-30 2018-05-11 陈敏丽 一种新型密封快餐盒
CN108910267A (zh) * 2018-06-15 2018-11-30 泉州梅洋塑胶五金制品有限公司 密封包装容器的改良结构
CN108910266A (zh) * 2018-06-15 2018-11-30 泉州梅洋塑胶五金制品有限公司 一种密封包装容器的改进结构

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