WO2024036946A1 - 一种对折密封包装袋 - Google Patents
一种对折密封包装袋 Download PDFInfo
- Publication number
- WO2024036946A1 WO2024036946A1 PCT/CN2023/082381 CN2023082381W WO2024036946A1 WO 2024036946 A1 WO2024036946 A1 WO 2024036946A1 CN 2023082381 W CN2023082381 W CN 2023082381W WO 2024036946 A1 WO2024036946 A1 WO 2024036946A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bag
- bag sheet
- sheet
- packaging
- folding line
- Prior art date
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 75
- 238000007789 sealing Methods 0.000 title claims abstract description 11
- 230000004308 accommodation Effects 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000002699 waste material Substances 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 abstract 3
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
Definitions
- the present application relates to the technical field of packaging bag products, and in particular to a folded and sealed packaging bag.
- embodiments of the present application provide a foldable sealed packaging bag.
- a folded and sealed packaging bag which includes:
- the packaging bag sheet includes a first bag sheet and a second bag sheet, both sides of the first bag sheet and the second bag sheet are provided with butt ends, and the first bag sheet Each butt end is tightly connected to each butt end of the corresponding second bag to form a receiving cavity for loading items;
- the first end of the first bag sheet is connected to the first end of the second bag sheet to form a first folded portion
- a packaging part one end of which is connected to the second end of the first bag sheet to form a second folded part, the packaging part is connected to the bag surface of the second bag sheet for sealing the accommodation cavity;
- One end of the packaging part is connected to the second end of the second bag sheet, and the packaging part is connected to the bag surface of the first bag sheet for sealing the accommodation cavity.
- the butt end of the first bag sheet and the butt end of the second bag sheet are both provided with adhesive, and each butt end of the first bag sheet is connected to the corresponding second bag sheet.
- Each butt end of the bag sheet is tightly connected by adhesive.
- the first folded portion includes a first folding line, and the first folding line extends along both sides of the first bag sheet or both sides of the second bag sheet;
- the first bag sheet and the second bag sheet are bounded by the first folding line and turned over each other, so that each butt end of the first bag sheet is closely connected to each butt end of the corresponding second bag sheet. .
- the first folded part includes a middle bag sheet
- the middle bag sheet includes a first sheet block and a second sheet block
- the first end of the first sheet block and the second sheet piece are The first ends of the pieces are connected to form a second folding line
- the second folding line extends along both sides of the first piece or both sides of the second piece
- the first block and the second block are bounded by the second folding line and turned over each other, so that the opposite end surfaces of the first block and the second block are joined together.
- the second end of the first sheet is connected to the first end of the first bag sheet to form a third folding line
- the second end of the second sheet block is connected to the second end of the first bag sheet.
- the first ends of the bag sheets are connected to form a fourth folding line.
- incisions are provided on both sides of the middle bag sheet, and the inner side of the incisions is connected to the second folding line.
- the second folded portion includes a fifth fold line, and the fifth fold line extends along both sides of the first bag sheet or both sides of the second bag sheet;
- the packaging part is bounded by the fifth folding line and turned over, so that the packaging part is attached to the first bag sheet or the second bag sheet.
- connection structure is provided on the packaging part, and the connection structure extends along both sides of the packaging part.
- a first bag sheet and a second bag sheet are formed by folding a piece of raw paper in half.
- the first bag sheet and the second bag sheet are sealed and connected to form an accommodation cavity that can be stuffed with various items, documents, etc., and are sealed through the sealing part.
- the opening is sealed, and unlike existing packaging bags, the packaging bag of this embodiment has a simple structure, facilitates production, and reduces waste of raw paper.
- Figure 1 is an overall structural diagram of this embodiment.
- Figure 2 is a structural diagram of the first bag sheet and the second bag sheet before they are folded in half in this embodiment.
- Figure 3 is a cross-sectional view of the first bag sheet and the second bag sheet in this embodiment.
- Packaging bag sheet 11. First bag sheet; 12. Second bag sheet; 13. Butt end; 14. First folded portion; 15. First fold line; 16. Middle bag sheet; 161. First sheet block; 162, second block; 163, second fold line; 164, third fold line; 165, fourth fold line; 166, incision; 17, accommodation cavity; 2, packaging part; 21, second folded part ; 22. The fifth folding line; 23. Connection structure.
- This case provides a folded sealed packaging bag.
- a piece of raw paper is folded in half to form a first bag sheet 11 and a second bag sheet 12.
- the first bag sheet 11 and the second bag sheet 12 are sealed and connected to form a pluggable bag.
- the packaging bag of this embodiment has a simple structure, is easy to produce, and reduces the waste of raw paper.
- the specific structure of the folded sealed packaging bag of this embodiment includes:
- the packaging bag sheet 1 in this embodiment includes a first bag sheet 11 and a second bag sheet 12. Both sides of the first bag sheet 11 and the second bag sheet 12 are provided with butt ends 13, Specifically, the butt ends 13 on both sides of the first bag sheet 11 occupy the same width area as the butt end ends 13 on both sides of the second bag sheet 12. Therefore, each butt end 13 of the first bag sheet 11 is aligned with the corresponding second bag sheet 12. After each butt end 13 of the bag sheet 12 is positioned close to each other, it can be tightly connected together.
- first bag sheet 11 and the second bag sheet 12 are only fixedly connected to each other by the butt ends 13 of the two, rather than the entire first bag sheet 11 and the second bag sheet 12 being completely fixedly connected to each other, the first bag sheet 11 When items are inserted between the first bag 11 and the second bag 12, a portion of the space between the first bag 11 and the second bag 12 can be expanded to form a receiving cavity 17 for loading items.
- the first bag sheet 11 and the second bag sheet 12 are only fixedly connected to each other by their butt ends 13, and also play a role in preventing items from falling out from the positions on both sides.
- the first end of the first bag sheet 11 and the first end of the second bag sheet 12 are connected to form a first folded portion 14.
- the raw paper sheets are folded in half around the first folded portion 14, thereby forming the first bag sheet 11 and the first end of the second bag sheet 12.
- the second bag sheet 12 and the first folded portion 14 can also support the bottom of the items so that the items cannot fall from the lower end of the accommodation cavity 17 .
- the lengths of both sides of the first bag sheet 11 are consistent with the lengths of both sides of the second bag sheet 12. Therefore, after folding in half and fitting each other, it is ensured that the first bag sheet 11 or the second bag sheet 12 will not protrude outwards. out part of it.
- the packaging part 2 has an opening communicating with the accommodating cavity 17 between the butt end 13 of the first bag 11 and the second bag 12. After stuffing the items into the accommodating cavity 17, in order to prevent the items from falling from the opening, It falls out, so the opening is blocked by the packaging part 2, so that the article is sealed and contained in the accommodation cavity 17.
- One end of the packaging part 2 in this embodiment is connected to the second end of the first bag sheet 11 to form a second folding part 21, and the packaging parts 2 are folded in half around the second folding part 21.
- the packaging part 2 and After the bag surfaces of the second bag sheet 12 are tightly connected the accommodating cavity 17 is sealed, because the second folded portion 21 is in close contact with the second end of the second bag sheet 12 at this time, so that the opening is sealed, and the items are Cannot fall out of the opening.
- one end of the packaging part 2 is connected to the second end of the second bag sheet 12 to form the second folded part 21.
- the packaging part 2 is sealed and connected with the bag surface of the first bag sheet 11, Thereby the accommodating cavity 17 is sealed, because the second folded portion 21 is in close contact with the second end of the first bag 11 at this time, thereby sealing the opening and preventing items from falling out of the opening.
- the butt end 13 of the first bag sheet 11 and the butt end 13 of the second bag sheet 12 are both provided with adhesive. Before the first bag sheet 11 and the second bag sheet 12 are folded in half, the butt joints of the first bag sheet 11 can be directly connected. The end 13 and the butt end 13 of the second bag sheet 12 are coated with adhesive. After the butt end 13 of the first bag sheet 11 and the butt end 13 of the second bag sheet 12 are attached and connected, each end of the first bag sheet 11 The butt ends 13 are tightly connected to each butt end 13 of the corresponding second bag 12 through adhesive glue. By heating the position of the butt end 13, the adhesive on the two butt ends 13 will stick to each other after being heated. After cooling, the butt end 13 of the first bag 11 and the butt end 13 of the second bag 12 will solidified together.
- the first folding portion 14 includes a first folding line 15 extending along both sides of the first bag sheet 11 or both sides of the second bag sheet 12.
- the raw paper sheets are divided into first folding lines 15 through the first folding line 15.
- the bag sheet 11 and the second bag sheet 12, the first bag sheet 11 and the second bag sheet 12 are bounded by the first folding line 15 and turned over each other until each butt end 13 of the first bag sheet 11 is connected to the corresponding third bag sheet 11.
- Each butt end 13 of the two bags 12 is tightly connected.
- the peripheral sides of the accommodation cavity 17 are sealed and attached, and the items can be directly placed into the accommodation cavity 17 .
- the first folded part 14 includes a middle bag sheet 16.
- the middle bag sheet 16 includes a first sheet block 161 and a second sheet block 162.
- the first sheet block 161 and the second sheet block 162 are connected to each other to form an integral body.
- the first end is connected to the first end of the second piece 162 to form a second folding line 163.
- the second folding line 15 is specifically located in the middle of the middle bag piece 16, so the first piece 161 and the second piece 162 are around
- the second folding lines 163 are turned over and completely folded together, so that there will be no situation like the extra part of the first block 161 that is not attached to the second block 162 .
- the second folding line 163 extends along both sides of the first block 161 or both sides of the second block 162.
- the first block 161 and the second block 162 are bounded by the second folding line 163 and flipped over each other.
- the opposite end faces of the first piece 161 and the second piece 162 are closely connected. Since the first piece 161 and the second piece 162 are closely connected, at the same time, the first bag piece 11 and the second bag piece 12 are attached.
- a paper shape is formed, which reduces the space occupied by the paper bag when not in use, and does not reduce the accommodation space of the accommodation cavity 17 .
- the second end of the first sheet block 161 is connected to the first end of the first bag sheet 11 to form a third folding line 164. After the first sheet block 161 and the second sheet block 162 are folded in half through the second folding line 163, they are then folded. The second end of the first sheet block 161 and the first end of the first bag sheet 11 are folded together through the third folding line 164 , and the second end of the second sheet block 162 is opposite to the first end of the second bag sheet 12 . Connect to form a fourth folding line 165, and then fold the second end of the second sheet block 162 and the first end of the second bag sheet 12 together through the fourth folding line 165.
- the first bag sheet 11, the second bag sheet 12 and the middle bag sheet 16 form a paper shape; when stuffing items into the accommodation cavity 17, the folded middle bag sheet 16 expands, so that the first sheet block 161 and the second bag sheet 16 are The pieces 162 will not stick together, thereby increasing the space of the accommodating cavity 17 and allowing more items to be stuffed.
- Cutouts 166 are provided on both sides of the middle bag sheet 16, and the inside of the cutout 166 is connected to the second folding line 163, so that when the first piece 161 and the second piece 162 are folded together, the first piece 161 and the second piece 162 are folded together.
- the corners of the opposite ends of the two blocks 162 can be completely attached together through glue.
- the second folding part 21 includes a fifth folding line 22 that extends along both sides of the first bag sheet 11 or both sides of the second bag sheet 12.
- the packaging part 2 is bounded by the fifth folding line 22 and is turned over. , so as to attach the packaging part 2 to the first bag sheet 11 or the second bag sheet 12 .
- the fifth folding line 22 is opposite to the second end of the second bag sheet 12, and the second bag sheet 12 is The two ends are in close contact with the packaging part 2 to seal the opening.
- connection structure 23 in this embodiment is double-sided adhesive.
- the connection structure 23 extends along both sides of the packaging part 2.
- the first end of the connection structure 23 is attached to the packaging part 2. After tearing off the second side of the connecting structure 23, it is directly attached to the first bag sheet 11 or the second bag sheet 12, thereby sealing the opening.
- connection structure 23 may also be a lock or the like.
- a first bag sheet 11 and a second bag sheet 12 are formed by folding a piece of raw paper in half.
- the first bag sheet 11 and the second bag sheet 12 are sealed and connected to form an accommodation cavity 17 that can be stuffed with various items, documents, etc. , and the opening is sealed by the sealing part 2.
- the packaging bag of this embodiment has a simple structure, is convenient for production, and reduces the waste of raw paper.
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- Bag Frames (AREA)
Abstract
一种对折密封包装袋，包括包装袋张，包装袋张包括第一袋张（11）和第二袋张（12），第一袋张（11）的两侧和第二袋张（12）的两侧均设置有对接端（13），第一袋张（11）的每一对接端（13）均与对应的第二袋张（12）的每一对接端（13）紧密连接形成容纳腔（17）；第一袋张（11）的第一端与第二袋张（12）的第一端相连接形成第一对折部（14）；封装部（2），封装部（2）的一端与第一袋张（11）的第二端相连接形成第二对折部（21），封装部（2）与第二袋张（12）的袋张面连接，用于密封容纳腔（17）；通过将一张原料纸张对折，从而形成了第一袋张（11）和第二袋张（12），第一袋张（11）与第二袋张（12）之间密封连接形成可塞入各种物品文件等的容纳腔（17），并通过封装部（2）封住开口，不同于现有的包装袋，该包装袋结构简单，便于生产，能够减少原料纸张的浪费。
Description
本申请是以申请号为202222164939.4、申请日为2022年8月17日的中国专利申请为基础，并主张其优先权，该申请的全部内容在此作为整体引入本申请中。
技术领域
本申请涉及包装袋产品的技术领域，尤其涉及一种对折密封包装袋。
背景技术
国内快递包装袋的使用量是与日俱增，在无形中提升了快递邮寄费的成本，同时也增加了快递人员携带快递袋的工作量，现有的包装袋的结构较为复杂，一般需要多个包装袋的组件组装成完整的包装袋难，因此涉及到多个工序和流程，很少可在一张包装原料纸上形成完整的包装袋。
申请内容
为了克服现有技术方案的不足，本申请实施例提供了一种对折密封包装袋。
本申请解决其技术问题所采用的技术方案是：
一种对折密封包装袋，所述对折密封包装袋包括：
包装袋张，所述包装袋张包括第一袋张和第二袋张，所述第一袋张的两侧和第二袋张的两侧均设置有对接端，所述第一袋张的每一对接端均与对应的第二袋张的每一对接端紧密连接，以形成用于装入物品的容纳腔；
所述第一袋张的第一端与第二袋张的第一端相连接形成第一对折部；
封装部，所述封装部的一端与第一袋张的第二端连接相连接形成第二对折部，所述封装部与第二袋张的袋张面上连接，用于密封容纳腔；或
所述封装部的一端与第二袋张的第二端连接相连接，所述封装部与第一袋张的袋张面上连接，用于密封容纳腔。
作为本申请一种优选的技术方案，所述第一袋张的对接端和第二袋张的对接端均设置有粘胶，所述第一袋张的每一对接端均与对应的第二袋张的每一对接端通过粘胶紧密连接。
作为本申请一种优选的技术方案，所述第一对折部包括第一翻折线，所述第一翻折线沿第一袋张的两侧或第二袋张的两侧延伸；
所述第一袋张与第二袋张以第一翻折线为界限并相互翻转，以将所述第一袋张的每一对接端均与对应的第二袋张的每一对接端紧密连接。
作为本申请一种优选的技术方案，所述第一对折部包括中间袋张，所述中间袋张包括第一张块和第二张块，所述第一张块的第一端与第二张块的第一端相连接形成第二翻折线，所述第二翻折线沿第一张块的两侧或第二张块的两侧延伸；
所述第一张块与第二张块以第二翻折线为界限并相互翻转，以将所述第一张块与第二张块相对的端面贴合相接。
作为本申请一种优选的技术方案，所述第一张块的第二端与第一袋张的第一端相连接形成第三翻折线，所述第二张块的第二端与第二袋张的第一端相连接形成第四翻折线。
作为本申请一种优选的技术方案，所述中间袋张的两侧均设置有切口，所述切口的内侧与第二翻折线相接。
作为本申请一种优选的技术方案，所述第二对折部包括第五翻折线，所述第五翻折线沿第一袋张的两侧或第二袋张的两侧延伸；
所述封装部以第五翻折线为界限并翻转，以将封装部贴合在第一袋张或第二袋张。
作为本申请一种优选的技术方案，所述封装部上设置有连接结构，所述连接结构沿着封装部的两侧延伸。
与现有技术相比，本申请的有益效果是：
通过一张原料纸张对折，从而形成了第一袋张和第二袋张，第一袋张与第二袋张之间密封连接形成可塞入各种物品文件等的容纳腔，并通过封装部封住开口，不同于现有的包装袋，本实施例的包装袋结构简单，便于生产，减少原料纸张的浪费。
附图说明
为了更清楚地说明本申请实施例技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1 是本实施例的整体结构图。
图2 是本实施例的第一袋张与第二袋张对折前的结构图。
图3 是本实施例的第一袋张和第二袋张的剖视图。
图中标号
1、包装袋张；11、第一袋张；12、第二袋张；13、对接端；14、第一对折部；15、第一翻折线；16、中间袋张；161、第一张块；162、第二张块；163、第二翻折线；164、第三翻折线；165、第四翻折线；166、切口；17、容纳腔；2、封装部；21、第二对折部；22、第五翻折线；23、连接结构。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
应当理解，当在本说明书和所附权利要求书中使用时，术语“包括”和“包含”指示所描述特征、整体、步骤、操作、元素和/或组件的存在，但并不排除一个或多个其它特征、整体、步骤、操作、元素、组件和/或其集合的存在或添加。
还应当理解，在本申请说明书中所使用的术语仅仅是出于描述特定实施例的目的而并不意在限制本申请。如在本申请说明书和所附权利要求书中所使用的那样，除非上下文清楚地指明其它情况，否则单数形式的“一”、“一个”及“该”意在包括复数形式。
还应当进一步理解，在本申请说明书和所附权利要求书中使用的术语“和/ 或”是指相关联列出的项中的一个或多个的任何组合以及所有可能组合，并且包括这些组合。
本案提供了一种对折密封包装袋，通过一张原料纸张对折，从而形成了第一袋张11和第二袋张12，第一袋张11与第二袋张12之间密封连接形成可塞入各种物品文件等的容纳腔17，并通过封装部2封住开口，不同于现有的包装袋，本实施例的包装袋结构简单，便于生产，减少原料纸张的浪费。根据附图1-3中所示出，本实施例的对折密封包装袋的具体结构包括：
包装袋张1，本实施例的包装袋张1包括第一袋张11和第二袋张12，第一袋张11的两侧和第二袋张12的两侧均设置有对接端13，具体是第一袋张11两侧的对接端13与第二袋张12两侧的对接端13的占用宽度的面积一致，因此第一袋张11的每一对接端13均与对应的第二袋张12的每一对接端13对位靠近后，即可紧密连接在一起。由于第一袋张11与第二袋张12只是两者的对接端13相互固定连接，而并不是整个第一袋张11与第二袋张12完全固定连接在一起，往第一袋张11与第二袋张12之间塞入物品时，可将第一袋张11或第二袋张12相互扩容一部分空间，形成有用于装入物品的容纳腔17。第一袋张11与第二袋张12只是两者的对接端13相互固定连接，也起到物品无法从两侧的位置掉落出去的作用。
第一袋张11的第一端与第二袋张12的第一端相连接形成第一对折部14，原料纸张绕着该第一对折部14相互对折，从而形成了第一袋张11和第二袋张12，另外第一对折部14还可以起到支撑于物品的底部，使得物品无法从容纳腔17的下端掉落下去。
本实施例的第一袋张11的两侧长度与第二袋张12的两侧长度为一致，因此对折相互贴合后，确保第一袋张11或第二袋张12不会向外凸出一部分。
封装部2，由于第一袋张11的对接端13与第二袋张12的之间具有与容纳腔17连通的开口，将物品塞入到容纳腔17内后，为了防止物品从开口处掉落出去，因此通过封装部2将开口堵封住，从而将物品密封容纳在容纳腔17内。
本实施例的封装部2的其中一端与第一袋张11的第二端连接相连接形成第二对折部21，封装部2则绕着该第二对折部21相互对折，当封装部2与第二袋张12的袋张面紧密连接后，从而密封住容纳腔17，因为这时的第二对折部21与第二袋张12的第二端紧密接触，从而使得开口被密封住，物品无法从开口处掉落出去。
另外一种实施例，封装部2的一端与第二袋张12的第二端连接相连接形成第二对折部21，当封装部2与第一袋张11的袋张面上密封连接后，从而密封容纳腔17，因为这时的第二对折部21与第一袋张11的第二端紧密接触，从而使得密封住开口，物品无法从开口处掉落出去。
第一袋张11的对接端13和第二袋张12的对接端13均设置有粘胶，第一袋张11和第二袋张12没对折之前，可直接在第一袋张11的对接端13和第二袋张12的对接端13上涂上粘胶，第一袋张11的对接端13与第二袋张12的对接端13贴合连接后，第一袋张11的每一对接端13均与对应的第二袋张12的每一对接端13通过粘胶紧密连接。通过对对接端13的位置加热，使得两者对接端13上的粘胶受热后相互黏在一起，等冷却后第一袋张11的对接端13与第二袋张12的对接端13就会凝固在一起。
第一对折部14包括第一翻折线15，第一翻折线15沿第一袋张11的两侧或第二袋张12的两侧延伸，通过第一翻折线15对原料纸张分成为第一袋张11和第二袋张12，第一袋张11与第二袋张12以第一翻折线15为界限并相互翻转，直到第一袋张11的每一对接端13均与对应的第二袋张12的每一对接端13紧密连接即可，此时容纳腔17的周侧都被密封贴合住，物品可直接放置入容纳腔17内。
第一对折部14包括中间袋张16，中间袋张16包括第一张块161和第二张块162，第一张块161与第二张块162相互连接形成一体，第一张块161的第一端与第二张块162的第一端相连接形成第二翻折线163，第二翻折线15具体位于中间袋张16的中部，因此第一张块161与第二张块162绕着该第二翻折线163进行翻转并相互完全对折贴在一起，不会出现类似第一张块161多出一部分未被第二张块162贴住的状况。
第二翻折线163沿第一张块161的两侧或第二张块162的两侧延伸，第一张块161与第二张块162以第二翻折线163为界限并相互翻转，以将第一张块161与第二张块162相对的端面贴合相接，由于第一张块161与第二张块162贴合相接，同时配合第一袋张11与第二袋张12贴在一起时，从而形成纸张形状，减少纸袋的不使用时的占用空间，也不会减少容纳腔17的容置空间。
第一张块161的第二端与第一袋张11的第一端相连接形成第三翻折线164，第一张块161与第二张块162通过第二翻折线163对折后，再将第一张块161的第二端与第一袋张11的第一端通过第三翻折线164对折贴在一起，第二张块162的第二端与第二袋张12的第一端相连接形成第四翻折线165，再将第二张块162的第二端与第二袋张12的第一端通过第四翻折线165对折贴在一起，配合整块中间袋张16对折之后，使得第一袋张11、第二袋张12及中间袋张16形成纸张形状；往容纳腔17塞入物品时，将对折后的中间袋张16扩张出，使得第一张块161与第二张块162不会相贴在一起，从而增大容纳腔17的空间，可塞入更多的物品。
中间袋张16的两侧均设置有切口166，切口166的内侧与第二翻折线163相接，使得第一张块161与第二张块162对折相贴时，第一张块161与第二张块162相对的一端的一角通过粘胶可完整的贴在一起。
第二对折部21包括第五翻折线22，第五翻折线22沿第一袋张11的两侧或第二袋张12的两侧延伸，封装部2以第五翻折线22为界限并翻转，以将封装部2贴合在第一袋张11或第二袋张12。例如，设置在第一袋张11的第二端的封装部2贴在第二袋张12时，第五翻折线22与第二袋张12的第二端相对，将第二袋张12的第二端与封装部2紧密贴合，从而达到封住开口。
封装部2上设置有连接结构23，本实施例的连接结构23为双面粘胶，连接结构23沿着封装部2的两侧延伸，连接结构23的第一端贴在封装部2上，撕开连接结构23的第二面后并直接贴在第一袋张11或第二袋张12上，从而封住开口。
另外，连接结构23也可以为锁扣等。
通过一张原料纸张对折，从而形成了第一袋张11和第二袋张12，第一袋张11与第二袋张12之间密封连接形成可塞入各种物品文件等的容纳腔17，并通过封装部2封住开口，不同于现有的包装袋，本实施例的包装袋结构简单，便于生产，减少原料纸张的浪费。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到各种等效的修改或替换，这些修改或替换都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。
Claims (8)
- 一种对折密封包装袋，其特征在于，所述对折密封包装袋包括：包装袋张，所述包装袋张包括第一袋张和第二袋张，所述第一袋张的两侧和所述第二袋张的两侧均设置有对接端，所述第一袋张的每一对接端均与对应的所述第二袋张的每一对接端紧密连接，以形成用于装入物品的容纳腔；所述第一袋张的第一端与所述第二袋张的第一端连接形成第一对折部；封装部，所述封装部的一端与所述第一袋张的第二端连接相连接形成第二对折部，所述封装部与第二袋张的袋张面连接，用于密封容纳腔；或所述封装部的一端与所述第二袋张的第二端连接相连接，所述封装部与所述第一袋张的袋张面连接，用于密封容纳腔。
- 根据权利要求1所述的一种对折密封包装袋，其特征在于：所述第一袋张的对接端和所述第二袋张的对接端均设置有粘胶，所述第一袋张的每一对接端均与对应的所述第二袋张的每一对接端通过所述粘胶紧密连接。
- 根据权利要求1所述的一种对折密封包装袋，其特征在于：所述第一对折部包括第一翻折线，所述第一翻折线沿所述第一袋张的两侧或所述第二袋张的两侧延伸；所述第一袋张与所述第二袋张以第一翻折线为界限并相互翻转，以将所述第一袋张的每一对接端均与对应的所述第二袋张的每一对接端紧密连接。
- 根据权利要求1所述的一种对折密封包装袋，其特征在于：所述第一对折部包括中间袋张，所述中间袋张包括第一张块和第二张块，所述第一张块的第一端与所述第二张块的第一端连接形成第二翻折线，所述第二翻折线沿所述第一张块的两侧或所述第二张块的两侧延伸；所述第一张块与所述第二张块以第二翻折线为界限并相互翻转，以将所述第一张块与所述第二张块相对的端面贴合相接。
- 根据权利要求4所述的一种对折密封包装袋，其特征在于：所述第一张块的第二端与所述第一袋张的第一端相连接形成第三翻折线，所述第二张块的第二端与所述第二袋张的第一端相连接形成第四翻折线。
- 根据权利要求4所述的一种对折密封包装袋，其特征在于：所述中间袋张的两侧均设置有切口，所述切口的内侧与所述第二翻折线连接。
- 根据权利要求1所述的一种对折密封包装袋，其特征在于：所述第二对折部包括第五翻折线，所述第五翻折线沿所述第一袋张的两侧或所述第二袋张的两侧延伸；所述封装部以所述第五翻折线为界限并翻转，以将所述封装部贴合在所述第一袋张或所述第二袋张。
- 根据权利要求1所述的一种对折密封包装袋，其特征在于：所述封装部上设置有连接结构，所述连接结构沿着所述封装部的两侧延伸。
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2022
- 2022-08-17 CN CN202222164939.4U patent/CN217865041U/zh active Active
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- 2023-03-20 EP EP23745367.5A patent/EP4345025A1/en active Pending
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| JP2009241993A (ja) * | 2008-04-01 | 2009-10-22 | Taisei Lamick Co Ltd | 自立型包装袋およびその製袋充填方法 |
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