WO2018209960A1 - 食品罐 - Google Patents

食品罐 Download PDF

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Publication number
WO2018209960A1
WO2018209960A1 PCT/CN2017/118372 CN2017118372W WO2018209960A1 WO 2018209960 A1 WO2018209960 A1 WO 2018209960A1 CN 2017118372 W CN2017118372 W CN 2017118372W WO 2018209960 A1 WO2018209960 A1 WO 2018209960A1
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WO
WIPO (PCT)
Prior art keywords
annular
food
bonding portion
mating
lid
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PCT/CN2017/118372
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English (en)
French (fr)
Inventor
陈家文
陈海山
Original Assignee
广州卓诚食品科技有限公司
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Application filed by 广州卓诚食品科技有限公司 filed Critical 广州卓诚食品科技有限公司
Publication of WO2018209960A1 publication Critical patent/WO2018209960A1/zh

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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
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
    • B65D45/16—Clips, hooks, or clamps which are removable, or which remain connected either with the closure or with the container when the container is open, e.g. C-shaped

Definitions

  • the invention relates to the technical field of food cans, in particular to a food can.
  • metal food cans are sealed by double crimping, which can increase the strength of the can and ensure that the contents are free from secondary pollution.
  • the double-hem method for sealing has the following disadvantages: a complicated and high-precision sealing machine is required, which is affected by many factors such as the thickness of the iron sheet, the hardness, the height of the roller, the pressure of the bottom and the groove shape of the roller.
  • the skilled operator must adjust the seal; the failure rate in the canning production process is high, and it is necessary to adjust the shutdown from time to time; the sealed can is difficult to open, and the operator's hand is easily cut during the process of opening the seal.
  • a food can comprising a can body stamped from a coated metal sheet and a can lid stamped from a coated metal sheet, the can body including an open can body and surrounding the opening a first annular bonding portion of the edge, the can lid is provided with a second annular bonding portion corresponding to the first annular bonding portion, and the first annular bonding portion is adhered to the second annular portion
  • An annular fusion joint is disposed between the joints, and the first annular adhesive portion is sealingly engaged with the second annular adhesive portion through the annular fusion joint.
  • the food to be packaged is placed in the can body of the can body, and then the can lid is covered, and the first annular bonding portion or the second annular bonding portion is heated by using a preset pressure.
  • the first annular bonding portion of the can body is sealed and fixed by the annular welding member and the second annular bonding portion of the can lid, so that the food can be sealed and stored in the food can; and the surface of the can body is covered with a film, Avoid contact between the food and the metal of the tank, avoid corrosion and damage of the tank, and waste food; when the food to be preserved needs to be taken out, simply cut the ring-shaped welded piece to separate the can lid from the can body, and then take out the food from the open mouth.
  • the sealing of the food can only needs to use the annular welding member to seal and fix the can body and the can lid, which is convenient for operation, greatly reduces the production failure rate of the canned line, and reduces the cost; and the opening can be completed by using a simple can opener. Will not cut the operator's hand.
  • the first annular bonding portion includes a first annular transition body that is fixed to the tank body, and a first coupling body that is fixed to the first annular transition body.
  • An annular bonding portion includes a second annular transition body that is sleevedly engaged with the first annular transition body, and a second coupling body that interfaces with the second annular transition body, the annular fusion member being disposed on the first Between a ligand and the second ligand.
  • the first annular transition outer wall is spaced from the outer wall of the can body to form an annular boss.
  • the first mating body and the second mating body are horizontally disposed.
  • the outer wall of the first annular transition body is pressed against the inner wall of the second annular transition body.
  • first annular transition body is fixedly coupled to the first mating body in a smooth transition
  • second annular transition body is fixedly coupled to the second mating body in a smooth transition
  • the can lid is provided with a cover body formed to be outwardly recessed, and a retaining groove is disposed between the cover body and the second annular transition body.
  • the outer edge of the first mating body is provided with a first scratch-resistant portion
  • the outer edge of the second mating is provided with a second scratch-resistant portion
  • the first scratch-resistant portion is inwardly curled toward the first side portion and has an annular convex shape
  • the second scratch-resistant portion is away from the first side portion.
  • the direction is outwardly curled and has a circular convex shape.
  • the annular weldment is a physically foamed heat seal material.
  • the annular weldment is a microporous non-toxic foamed plastic material.
  • Figure 1 is a schematic view showing the explosion of the food can according to the present invention.
  • Figure 2 is a half cross-sectional view showing the sealed state of the food can of the present invention
  • Figure 3 is a partial enlarged view of A in Figure 2.
  • 100 can body, 110, can body, 112, open, 120, first annular bonding portion, 122, first annular transition body, 124, first mating body, 126, first scratch-resistant portion, 102, ring Boss, 200, can lid, 210, second annular bonding portion, 212, second annular transition body, 214, second mating body, 216, second scratch-resistant portion, 220, cover, 230, recess Slot, 300, ring weldment.
  • the "can body” and the “can lid” are made of a coated metal plate.
  • the coated metal is attached to the metal plate by passing the plastic film through a high temperature hot pressing film, such as a PET, PC, PE or PP film and a metal plate (tin plate, chrome plate, cold rolled plate, aluminum plate). to make.
  • a high temperature hot pressing film such as a PET, PC, PE or PP film and a metal plate (tin plate, chrome plate, cold rolled plate, aluminum plate). to make.
  • "Hot-pressure bonding” means bonding and fixing by heat and pressure.
  • first and second in the present invention do not represent a specific number and order, but are merely used for distinguishing names.
  • a food can of the present invention comprises a can body 100 stamped from a coated metal sheet and a can lid 200 stamped from a coated metal sheet, and the can body 100 includes The can body 110 of the opening 112 and the first annular bonding portion 120 surrounding the edge of the opening 112, the can lid 200 is provided with a second annular bonding portion 210 corresponding to the first annular bonding portion 120, An annular welding member 300 is disposed between the annular bonding portion 120 and the second annular bonding portion 210. The first annular bonding portion 120 is sealingly engaged with the second annular bonding portion 210 through the annular fusion bonding member 300.
  • the food to be packaged is placed in the can body 110 of the can body 100, and then covered with the can lid 200, and the first annular bonding portion 120 or the second ring is heated by a preset pressure.
  • the bonding portion 210 is configured to seal the first annular bonding portion 120 of the can body 100 through the annular welding member 300 and the second annular bonding portion 210 of the can lid 200, so that the food can be sealed and stored in the food can;
  • the surface of the can body 110 is covered with a film to avoid contact between the food and the metal of the can body 110, to avoid corrosion and damage of the can body 110, and to waste food; when the preserved food needs to be taken out, only the annular fusion splice member 300 is cut and the can is made
  • the cover 200 is separated from the can body 100 to remove the food from the opening 112.
  • the sealing of the above food can only seals and fixes the can body 100 and the can lid 200 by using the annular welding member 300, which is convenient for operation, greatly reduces the production cost of the metal food can; the sealing mechanism is simple, and the failure rate of the filling line is reduced. Open with a simple can opener without cutting the operator's hand.
  • the first annular bonding portion 120 includes a first annular transition body 122 that is fixedly coupled to the can body 110, and a first coupling body 124 that is fixedly coupled to the first annular transition body 122.
  • the bonding portion 120 includes a second annular transition body 212 that is sleevedly engaged with the first annular transition body 122 , and a second coupling body 214 that interfaces with the second annular transition body 212 .
  • the annular fusion splicing member 300 is disposed on the first coupling body 124 . And between the second ligands 214.
  • the first mating body 124 is fixed to the can body 110 through the first annular transition body 122, and the corresponding second mating body 214 is fixed to the can lid 200 through the second annular transition body 212, so that the first fitting body 124 is disposed as needed. Further, the position of the annular fusion splicing member 300 can be set as needed to facilitate the opening of the can lid 200; and the first annular bonding portion 120 and the second annular bonding portion 210 can also be formed by stamping.
  • the outer wall of the first annular transition body 122 is spaced apart from the outer wall of the can body 110 to form an annular boss 102. Therefore, the annular boss 102 is utilized to facilitate the storage of the can body 100 in the model, and the support body is conveniently disposed in the model to support the first fitting body 124, so as to exert a certain pressure on the first fitting body 124; and the ear tray is formed at the same time.
  • the annular boss 102 can be further formed, so that the first mating body 124 is disposed under the annular boss 102, which prevents the chipping of the annular frit 300 from being broken into the can, soiling or contaminating the can. Inner food.
  • the first fitting body 124 and the second fitting body 214 are horizontally disposed. Therefore, when the can body 100 is horizontally placed, the first fitting body 124 and the second fitting body 214 are also horizontal, so that after the can body 110 stores the food, the can lid 200 is pressed and fixed in the tank in the vertical direction.
  • the first fitting body 124 is sealed and fixed to the second fitting body 214 by the annular welding member 300.
  • first annular transition body 122 has an annular convex shape
  • second annular transition body 212 has a groove shape.
  • first annular transition body 122 is smoothly and abutted and fixed to the first coupling body 124, and the second annular transition body 212 and the second coupling body 214 are smoothly transitioned and fixed. It is easy to punch and shape, reduce stamping rebound, and improve the reliability of the can body 100 and the can lid 200.
  • the can lid 200 is provided with a cover body 220 formed to be recessed outwardly, and a retaining groove 230 is disposed between the cover body 220 and the second annular transition body 212. Therefore, the cover body 220 is matched with the can body 110 to form a larger accommodating space, and at the same time, the accommodating recess 230 is disposed, so that the clamping can lid 200 and the can body 100 are mutually pressed, and the first annular bonding portion 120 is welded through the ring.
  • the member 300 is bonded and fixed to the second annular bonding portion 210 reliably.
  • the outer side of the can lid 200 is provided with an opening portion. It is convenient for people to open the can lid 200.
  • the outer edge of the first mating body 124 is provided with a first scratch-resistant portion 126
  • the outer edge of the second mating portion is provided with a second scratch-resistant portion 216. Therefore, the operator's hand is prevented from being scratched by providing the first scratch-resistant portion 126 and the second scratch-resistant portion 216.
  • the first scratch-preventing portion 126 is curled inward in a direction close to the first side portion and has an annular convex shape
  • the second scratch-resistant portion 216 is curled outward in a direction away from the first side portion, and is annularly convex. Start up.
  • This embodiment is easy to implement, saves manufacturing costs, and has a beautiful appearance.
  • the first scratch-resistant portion 126 and the second scratch-resistant portion 216 are annular in cross section.
  • the annular fusion splicing member 300 is a physically foamed heat fused material.
  • the food can be sealed and stored in the can body 100 to ensure the original taste of the food.
  • the annular fusion splicing member 300 is a foamed plastic material which is microcellularly foamed.
  • the can lid 200 can be opened by cutting the annular weldment 300 by a small blade or a capping fitting, and at the same time, the sealing property of the can lid 200 and the can body 100 can be ensured to achieve a degree of sealing against bacterial invasion.
  • the bowl-shaped can body 100 can be directly placed on the induction cooker as a pot to heat the food after being opened, and can be used as a bowl when consumed. After the consumption, the can body 110 can be overlapped, which is greatly reduced compared with the cylindrical can body 110. Waste stacking space; and because the can bodies 100 can overlap, the empty cans are transported from the can factory to the canning plant, which can save a lot of transportation vehicles and costs compared to cylindrical conventional empty cans.
  • This food can is easy to open, and the waste occupies less space, which is suitable for the packaging of aerospace food.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Packages (AREA)

Abstract

一种食品罐，包括用覆膜金属板材冲压制成的罐身（100）及用覆膜金属板材冲压制成的罐盖（200），所述罐身（100）包括设有敞口（112）的罐体（110）及环绕设置于所述敞口（112）的边缘的第一环形粘接部（120），所述罐盖（200）设有与所述第一环形粘接部（120）相对应的第二环形粘接部（210），所述第一环形粘接部（120）与所述第二环形粘接部（210）之间设有环形熔接件（300），所述第一环形粘接部（120）通过所述环形熔接件（300）、与所述第二环形粘接部（210）密封配合。该食品罐的密封只需利用环形熔接件（300）即可使罐身（100）与罐盖（200）密封固定，便于操作，大大降低了金属食品罐的生产成本；同时便于开启，不会割伤操作者的手。

Description

食品罐 技术领域
本发明涉及食品罐技术领域，特别是涉及一种食品罐。
背景技术
目前金属食品罐，不管是两片罐还是三片罐都采用双重卷边的方式进行封口，可以增加罐体强度，保证内容物不受二次污染。但是采用双重卷边的方式进行封口也存在如下缺点：需要复杂而且精度高的封口机，由于受铁皮厚薄，硬度，滚轮的高低远近，托底的压力大小和滚轮的槽形等诸多因素的影响，要熟练的操作工才能调好封好；罐装生产过程中故障率高，需不时进行停机调整；封好的罐子开启困难，且在打开封口的过程中，容易割伤操作者的手。
发明内容
基于此，有必要提供一种食品罐，既能降低罐装生产过程的故障率，降低成本，又能方便和安全地开启食品罐。
其技术方案如下：
一种食品罐，包括用覆膜金属板材冲压制成的罐身及用覆膜金属板材冲压制成的罐盖，所述罐身包括设有敞口的罐体及环绕设置于所述敞口的边缘的第一环形粘接部，所述罐盖设有与所述第一环形粘接部相对应的第二环形粘接部，所述第一环形粘接部与所述第二环形粘接部之间设有环形熔接件，所述第一环形粘接部通过所述环形熔接件、与所述第二环形粘接部密封配合。
上述食品罐用于封装食品时，将需封装的食品放置于罐身的罐体中，再覆盖上罐盖，利用预设压力、并加热第一环形粘接部或第二环形粘接部，使罐身的第一环形粘接部通过环形熔接件、与罐盖的第二环形粘接部密封固定，从而可将食品密封保存于该食品罐中；同时罐体表面覆盖有覆膜，可避免食品与罐体金属的接触，避免罐体腐蚀损坏，浪费食品；当需取出保存的食品时，只需切开环形熔接件，使罐盖与罐身分开，即可从敞口中取出食品，此过程不会产 生锋利的边缘，有效避免割伤操作者的手。上述食品罐的密封只需利用环形熔接件即可使罐身与罐盖密封固定，便于操作，大大降低罐装线生产故障率，降低了成本；同时使用简易的开罐刀即可完成开启，不会割伤操作者的手。
下面进一步对技术方案进行说明：
在其中一个实施例中，所述第一环形粘接部包括与所述罐体对接固定的第一环形过渡体、以及与所述第一环形过渡体对接固定的第一配合体，所述第一环形粘接部包括与所述第一环形过渡体套接配合的第二环形过渡体、以及与所述第二环形过渡体对接的第二配合体，所述环形熔接件设置于所述第一配合体及所述第二配合体之间。
在其中一个实施例中，所述第一环形过渡体外壁与所述罐体的外壁间隔设置形成环形凸台。
在其中一个实施例中，当所述罐身固设于预设位置时，所述第一配合体及所述第二配合体均呈水平设置。
在其中一个实施例中，所述第一环形过渡体的外壁与第二环形过渡体的内壁相抵压。
在其中一个实施例中，所述第一环形过渡体与所述第一配合体圆滑过渡对接固定，所述第二环形过渡体与所述第二配合体圆滑过渡对接固定。
在其中一个实施例中，所述罐盖设有向外凹设形成的盖体，所述盖体与所述第二环形过渡体之间设有让位凹槽。
在其中一个实施例中，所述第一配合体的外边缘设有第一防刮部，所述第二配合的外边缘设有第二防刮部。
在其中一个实施例中，所述第一防刮部向靠近所述第一侧部的方向向内卷曲、并呈环形凸起状，所述第二防刮部向远离所述第一侧部的方向向外卷曲、并呈环形凸起状。
在其中一个实施例中，所述环形熔接件为物理发泡的热熔接材质。
在其中一个实施例中，所述环形熔接件为微孔无毒发泡塑料材质。
附图说明
图1为本发明所述的食品罐的爆炸示意图；
图2为本发明所述的食品罐的密封状态半剖示意图；
图3为图2中A的局部放大图。
附图标记说明：
100、罐身，110、罐体，112、敞口，120、第一环形粘接部，122、第一环形过渡体，124、第一配合体，126、第一防刮部，102、环形凸台，200、罐盖，210、第二环形粘接部，212、第二环形过渡体，214、第二配合体，216、第二防刮部，220、盖体，230、让位凹槽，300、环形熔接件。
具体实施方式
为使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及具体实施方式，对本发明进行进一步的详细说明。应当理解的是，此处所描述的具体实施方式仅用以解释本发明，并不限定本发明的保护范围。
需要说明的是，“罐身”、“罐盖”用覆膜金属板材制造而成。覆膜金属，通过把塑料膜通过高温热压膜贴在金属板上，如是采用PET，PC，PE或PP薄膜与金属板材(镀锡板，镀铬板，冷轧板，铝板)进行覆合而成。“热压粘接”是指通过加热加压进行粘接固定。
本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
本发明中所述“第一”、“第二”不代表具体的数量及顺序，仅仅是用于名称的区分。
如图1至所示，本发所述的一种食品罐，包括用覆膜金属板材冲压制成的罐身100及用覆膜金属板材冲压制成的罐盖200，罐身100包括设有敞口112的罐体110及环绕设置于敞口112的边缘的第一环形粘接部120，罐盖200设有与 第一环形粘接部120相对应的第二环形粘接部210，第一环形粘接部120与第二环形粘接部210之间设有环形熔接件300，第一环形粘接部120通过环形熔接件300、与第二环形粘接部210密封配合。
上述食品罐用于封装食品时，将需封装的食品放置于罐身100的罐体110中，再覆盖上罐盖200，利用预设压力、并加热第一环形粘接部120或第二环形粘接部210，使罐身100的第一环形粘接部120通过环形熔接件300、与罐盖200的第二环形粘接部210密封固定，从而可将食品密封保存于该食品罐中；同时罐体110表面覆盖有覆膜，可避免食品与罐体110金属的接触，避免罐体110腐蚀损坏，浪费食品；当需取出保存的食品时，只需切开环形熔接件300，使罐盖200与罐身100分开，即可从敞口112中取出食品，此过程不会产生锋利的边缘，有效避免割伤操作者的手。上述食品罐的密封只需利用环形熔接件300即可使罐身100与罐盖200密封固定，便于操作，大大降低了金属食品罐的生产成本；封罐机构简单，降低灌装线的故障率；用简易开罐刀开启，不会割伤操作者的手。
在前述实施例的基础上，第一环形粘接部120包括与罐体110对接固定的第一环形过渡体122、以及与第一环形过渡体122对接固定的第一配合体124，第一环形粘接部120包括与第一环形过渡体122套接配合的第二环形过渡体212、以及与第二环形过渡体212对接的第二配合体214，环形熔接件300设置于第一配合体124及第二配合体214之间。因而第一配合体124通过第一环形过渡体122来与罐体110固定，对应的第二配合体214通过第二环形过渡体212来与罐盖200固定，便于根据需要设置第一配合体124，进而可根据需要设置环形熔接件300的位置，便于人们开启罐盖200；同时也便于冲压形成第一环形粘接部120及第二环形粘接部210。
进一步的，第一环形过渡体122外壁与罐体110的外壁间隔设置形成环形凸台102。因而利用环形凸台102，便于将罐身100存放于模型中、便于在模型中设置支撑体来支撑第一配合体124，便于在第一配合体124上施加一定的压力；同时形成耳托，便于人们取放，进一步的可形成环形凸台102，使第一配合体124设置在环形凸台102下方，可防止切开环形熔接件300时的碎削掉进罐内， 弄脏或污染罐内食品。
而且，当罐身100固设于预设位置时，第一配合体124及第二配合体214均呈水平设置。因而当罐身100水平放置时，该第一配合体124及第二配合体214也呈水平状，便于在罐体110存放食品后，在竖直方向上将罐盖200压合粘固在罐身100上，便于第一配合体124通过环形熔接件300与第二配合体214密封固定。
而且，第一环形过渡体122的外壁与第二环形过渡体212的内壁相抵压。进而使第一环形过渡体122与第二环形过渡体212形成挤压配合，可避免加热环形熔接件300时产生的气体进入罐体110内，进一步保证罐体110密封的可靠性。具体的，该第一环形过渡体122呈环形凸起状，该第二环形过渡体212呈凹槽状。
而且，第一环形过渡体122与第一配合体124圆滑过渡对接固定，第二环形过渡体212与第二配合体214圆滑过渡对接固定。便于冲压定型，减少冲压回弹，提高罐身100及罐盖200配合的可靠性。
而且，罐盖200设有向外凹设形成的盖体220，盖体220与第二环形过渡体212之间设有让位凹槽230。因而使盖体220与罐体110配合形成更大的容纳空间，同时设置让位凹槽230，便于夹持罐盖200与罐身100相互挤压，使第一环形粘接部120通过环形熔接件300、与第二环形粘接部210粘接固定可靠。进一步的，罐盖200的外侧设有启开部。便于人们开启罐盖200。
在前述实施例的基础上，第一配合体124的外边缘设有第一防刮部126，第二配合的外边缘设有第二防刮部216。因而通过设置第一防刮部126及第二防刮部216防止刮伤操作者的手。进一步的，第一防刮部126向靠近第一侧部的方向向内卷曲、并呈环形凸起状，第二防刮部216向远离第一侧部的方向向外卷曲、并呈环形凸起状。此实施例便于实现，节约制造成本，且外形美观。优选的，第一防刮部126及第二防刮部216的横截面均呈圆环状
在前述实施例的基础上，环形熔接件300为物理发泡的热熔接材质。进而可食品在罐身100密封保存可靠，保证食品的原汁原味。进一步的，环形熔接件300为微孔物理发泡的发泡塑料材质。便于通过小刀片或启盖配件切割环形 熔接件300即可打开罐盖200，同时能保证罐盖200与罐身100的密封性，达到防止细菌入侵的密封程度。
本发明的有益效果：
1、使封口工序简单化，故障率低，易调整，无需复杂昂贵的二重卷边封口机，无需有经验的封口工，便于自动化控制。
2、适用于无菌罐装，便于无菌灌装的推广应用。
3、开启容易，方便消费。如设计碗形罐身100，开罐后可直接放在电磁炉上作为锅对食品进行加热，食用时可以作为碗，消费后罐体110可重叠，和圆筒罐体110相比，大大减少了废物堆放空间；而且因为罐身100可重叠，空罐从制罐厂运送到罐装厂，和圆柱形传统空罐比，能节约大量运输车辆和费用。
4、此食品罐开启方便，废物占据空间少，适合航天食品的封装。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种食品罐，其特征在于，包括用覆膜金属板材冲压制成的罐身及用覆膜金属板材冲压制成的罐盖，所述罐身包括设有敞口的罐体及环绕设置于所述敞口的边缘的第一环形粘接部，所述罐盖设有与所述第一环形粘接部相对应的第二环形粘接部，所述第一环形粘接部与所述第二环形粘接部之间设有环形熔接件，所述第一环形粘接部通过所述环形熔接件、与所述第二环形粘接部密封配合。
  2. 根据权利要求1所述的食品罐，其特征在于，所述第一环形粘接部包括与所述罐体对接固定的第一环形过渡体、以及与所述第一环形过渡体对接固定的第一配合体，所述第一环形粘接部包括与所述第一环形过渡体套接配合的第二环形过渡体、以及与所述第二环形过渡体对接的第二配合体，所述环形熔接件设置于所述第一配合体及所述第二配合体之间。
  3. 根据权利要求2所述的食品罐，其特征在于，所述第一环形过渡体外壁与所述罐体的外壁间隔设置形成环形凸台。
  4. 根据权利要求3所述的食品罐，其特征在于，当所述罐身固设于预设位置时，所述第一配合体及所述第二配合体均呈水平设置。
  5. 根据权利要求2所述的食品罐，其特征在于，所述第一环形过渡体的外壁与第二环形过渡体的内壁相抵压。
  6. 根据权利要求2所述的食品罐，其特征在于，所述第一环形过渡体与所述第一配合体圆滑过渡对接固定，所述第二环形过渡体与所述第二配合体圆滑过渡对接固定。
  7. 根据权利要求2所述的食品罐，其特征在于，所述罐盖设有向外凹设形成的盖体，所述盖体与所述第二环形过渡体之间设有让位凹槽。
  8. 根据权利要求2所述的食品罐，其特征在于，所述第一配合体的外边缘设有第一防刮部，所述第二配合的外边缘设有第二防刮部。
  9. 根据权利要求8所述的食品罐，其特征在于，所述第一防刮部向靠近所述第一侧部的方向向内卷曲、并呈环形凸起状，所述第二防刮部向远离所述第 一侧部的方向向外卷曲、并呈环形凸起状。
  10. 根据权利要求1至9中任一项所述的食品罐，其特征在于，所述环形熔接件为物理发泡的热熔接材质。
PCT/CN2017/118372 2017-05-15 2017-12-25 食品罐 WO2018209960A1 (zh)

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WO2003070588A1 (en) * 2002-02-21 2003-08-28 Corus Staal Bv Packaging and method for producing a filled packaging
CN205738460U (zh) * 2016-04-26 2016-11-30 奥瑞金包装股份有限公司 无缝罐
CN107010313A (zh) * 2017-05-15 2017-08-04 广州卓迅包装机械有限公司 食品罐

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