WO2014205731A1 - 实施于密封袋的袋体气阀 - Google Patents

实施于密封袋的袋体气阀 Download PDF

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Publication number
WO2014205731A1
WO2014205731A1 PCT/CN2013/078150 CN2013078150W WO2014205731A1 WO 2014205731 A1 WO2014205731 A1 WO 2014205731A1 CN 2013078150 W CN2013078150 W CN 2013078150W WO 2014205731 A1 WO2014205731 A1 WO 2014205731A1
Authority
WO
WIPO (PCT)
Prior art keywords
bag
suction piece
pipe
air valve
slice
Prior art date
Application number
PCT/CN2013/078150
Other languages
English (en)
French (fr)
Inventor
陈玮伶
Original Assignee
Chen wei ling
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chen wei ling filed Critical Chen wei ling
Priority to PCT/CN2013/078150 priority Critical patent/WO2014205731A1/zh
Publication of WO2014205731A1 publication Critical patent/WO2014205731A1/zh

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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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/22—Details
    • B65D77/225—Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form

Definitions

  • BACKGROUND OF THE INVENTION 1.
  • the present invention relates to the field of pumping gas structures for sealed bags, and more particularly to a bag gas valve implemented in a sealed bag.
  • BACKGROUND OF THE INVENTION Referring to FIG. 1 , a known sealed zipper bag 1 can be attached with a gas valve 2. After the zipper bag 1 is sealed and filled with food, the zipper bag 1 can be sealed by the gas valve 2 by a pumping assembly (not shown). The excess air is evacuated to create a vacuum inside the zipper bag 1 to prevent oxidation or moisture of the food and prolong the shelf life of the food.
  • a gas-filled component (not shown) can be used to fill the zipper bag 1 with a stable gas such as nitrogen gas, which can also slow the rate of food spoilage and help the food maintain its freshness.
  • the valve 2 can be used with a two-way valve to meet the requirements of pumping or filling, or a one-way valve can be selected and bonded to the zipper bag 1 in a specific direction. It not only increases the efficiency of pumping or filling, but also increases the air tightness to meet the needs of use. The known technology can satisfy the user's need for vacuuming or filling the zipper bag 1.
  • the air valve 2 is bonded and fixed to the zipper bag 1, and the zipper bag 1 cannot be used.
  • the gas valve 2 must be discarded together, which not only causes an environmental burden, but also increases the manufacturing cost of the zipper bag 1 provided with the gas valve 2, resulting in high price and unsatisfactory use requirements.
  • the creator of the present invention has proposed a bag body valve 3 which can be repeatedly used for disassembly and assembly.
  • the bag body valve 3 includes a pipe body 4, a gas valve 5, and a first a suction piece 6 and a second suction piece 7 having a central flow path 8 extending through the two sides, the gas valve 5 sealingly closing the central flow path 8, the first suction piece 6 and the second suction piece 7 respectively, the snares are fixed to the outer wall of the pipe body 4 and are attracted to each other.
  • the bag gas valve 3 must be prepared using a soft sealed bag 9 and formed in the sealed bag 9 to be smaller than the first suction piece 6 and the second suction piece 7.
  • the hole 9A of the area is passed through the hole 9A, so that the first suction piece 6 and the second suction piece 7 are respectively located on both sides of the sealed bag 9, and the sealed bag 9 is spaced apart. Pick up each other. Accordingly, the first suction piece 6 and the second suction piece 7 are snugly fixed to the tube body 4, and are spaced apart from each other by the sealing bag 9, so that they can be detachably used on different sealed bags 9 and can be repeated. use.
  • An object of the present invention is to provide a bag air valve that is implemented in a sealed bag, so as to solve the technical problem that a bag gas valve of the sealed bag needs to be punched in advance.
  • the present invention provides a bag air valve implemented in a sealed bag, comprising a joint pipe having a pipe body, a gas valve and a first suction piece, the pipe body having a through-two a central flow passage of the side, the valve is closed to close the central flow passage, and the first suction piece surrounds and seals the tubular body; and a piercing seat having a piercing head and a second suction a punching head corresponding to the pipe diameter of the pipe body and having a through air passage running through the two sides, the second suction piece surrounding the sealing joint, and when the piercing head penetrates the pipe body, The first suction piece and the second suction piece are correspondingly adsorbed together.
  • the first suction piece is integrally formed with the air valve.
  • the outer wall of the tubular body forms an outer lateral flange that engages the first suction piece
  • the inner wall of the tubular body forms an inner lateral flange that engages the air valve.
  • the insertion seat has a lateral engagement flange that engages the second suction piece.
  • the first suction piece and the ring side end of the second suction piece each form an annular groove.
  • the front end of the piercing head has a tearing edge.
  • the first suction piece and the second suction piece respectively have an adsorption arc surface adsorbed to each other.
  • the tubular body is provided with one end of the piercing head, and has an inner ring flange for pressing the piercing head.
  • the invention has the following beneficial effects:
  • the invention can be self-fixed to the sealed bag, and is suitable for various sealed bags.
  • the sealed bag does not need to be punched in advance, and can be directly installed according to the needs of use, so that it can be directly installed. Meet the needs of use.
  • the present invention has other objects, features and advantages. The invention will now be described in further detail with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in FIG. BRIEF DESCRIPTION OF THE DRAWINGS In the drawings: Fig.
  • FIG. 1 is a schematic view of a zipper bag with a gas valve according to the prior art
  • Fig. 2 is a schematic exploded view of a bag valve according to a known structure
  • Fig. 3 is a schematic view of the installation according to the prior art
  • FIG. 5 is a schematic view showing the structure of a nipple of a bag gas valve implemented in a sealed bag according to the present invention
  • FIGS. 6A to 6E are views of the sealing according to the present invention.
  • FIG. 8A to FIG. 8B are schematic diagrams showing another embodiment of the bag body valve of the bag body valve according to the present invention
  • FIGS. 8A-8B are diagrams according to the present invention; Another embodiment of the bag gas valve structure of the bag gas valve implemented in the sealed bag is schematically used.
  • the present invention comprises a joint pipe 10 and a piercing seat 20, wherein the joint pipe 10 has a pipe body 11, a gas valve 12 and a first suction piece 13, and the pipe body 11 There is a central flow passage 111 extending through the two sides, the gas valve 12 is closed to close the central flow passage 111, and the first suction piece 13 is circumferentially sealed to engage the tubular body 11.
  • the piercing seat can be placed on one side of the sealed bag, and the pipe body of the joint pipe can be directly aligned with the piercing head of the piercing seat by the other side of the sealing bag.
  • the piercing head breaks the sealed bag, and the first suction piece and the second suction piece are separated from each other by the sealing bag, that is, the bag body valve is installed on the sealed bag. Therefore, the sealed bag does not need to be punched in advance, and can be directly installed according to the needs of use, so that it can meet the needs of use.
  • the piercing base 20 has a piercing head 21 and a second suction piece 22 corresponding to the pipe diameter of the pipe body 11 and having a through air passage 211 extending through the two sides, the second suction piece 22 surrounding Sealingly engaging the piercing head 21, and When the piercing head 21 penetrates the tube body 11, the first suction piece 13 and the second suction piece 22 are correspondingly adsorbed together.
  • the front end of the threading head 21 has a tearing edge 212, and the first suction piece 13 and the second suction piece 22 respectively have an adsorption arc surface 131, 221 which is mutually adsorbed, and the tube body 11 has a pressing force.
  • An inner ring flange 112 of the ram 21 is worn.
  • first suction piece 13 and the gas valve 12 may be integrally formed to increase airtightness
  • the outer wall of the tube body 11 forms an outer lateral flange 113 that engages the first suction piece 13.
  • the inner wall of the tubular body 11 forms an inner lateral flange 114 that engages the gas valve 12 to increase the airtight stability of the first suction piece 13 and the gas valve 12 to engage the tubular body 11, and the same
  • the cymbal 20 can also have a lateral engagement flange 201 that engages the second suction piece 22 to increase the airtight stability of the second suction piece 22 to engage the splicing seat 20;
  • An annular groove 132, 222 is formed with each of the ring-side ends of the second suction piece 22, which increases the strength of the first suction piece 13 and the second suction piece 22 without being easily bent.
  • the method of using the bag air valve 12 as described above is as follows: First, a sealed bag 30 is prepared, and the piercing seat 20 is placed in the sealed bag 30. Inside (as shown in Figure 6A). Next, the tubular body 11 of the joint pipe 10 is aligned with the other side of the sealed bag 30 to the piercing head 21C of the piercing seat 20 as shown in Fig. 6B). Then, the piercing head 21 is smashed into the sealed bag 30, and the first suction piece 13 and the second suction piece 22 are spaced apart from each other by the sealing bag 30 (as shown in Fig. 6C).
  • the center flow path 111 is covered by a suction assembly 40 (as shown in FIG. 60).
  • the sealed bag 30 can be evacuated to vent gas (as shown in Figure 6E).
  • the sealing bag 30 discharges the gas, and in addition to using the pumping assembly 40, the sealing bag 30 can be directly squeezed, and the gas in the sealed bag 30 can be directly discharged by the pressure difference formed by the pressing. .
  • the joint pipe 10 and the piercing base 20 can also be installed in opposite directions, that is, the joint pipe 10 is placed in the sealed bag 30 .
  • the piercing seat 20 is placed in the smashed sealed bag 30 from the other side of the sealed bag 30.
  • a gas filling assembly 60 shown in FIG. 8A
  • the invention can be fixed to the sealed bag by itself, and is suitable for various sealed bags.
  • the sealed bag does not need to be punched in advance, and can be directly installed according to the needs of use, so that the requirements for use can be met.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)

Abstract

一种实施于密封袋（30）的袋体气阀，包括一接合管（10），该接合管（10）具有一管体（11）、一气阀（12）与一第一吸片（13），该管体（11）具有一贯穿两侧的中心流道（111），该气阀（12）填塞封闭该中心流道（111），而该第一吸片（13）则环绕密封接合该管体（11）；以及一穿刺座（20），该穿刺座（20）具有一穿刺头（21）与一第二吸片（22），该穿刺头（21）对应该管体（11）的管径且具有贯穿两侧的一通气流道（211），该第二吸片（22）环绕密封接合该穿刺头（21），且在该穿刺头（21）穿入该管体（11）时，该第一吸片（13）与该第二吸片（22）为对应吸附在一起。将该穿刺座（20）放置在该密封袋（30）的一侧，并使该接合管（10）的管体（11）从该密封袋（30）的另一侧直接对准套入该穿刺座（20）的穿刺头（21），即可让该穿刺头（21）刺破密封袋（30），并使该第一吸片（13）与该第二吸片（22）间隔该密封袋（30）互相吸附，即可固定于该密封袋（30）上。该袋体气阀适用于各种密封袋，密封袋不需提前打洞，且可依据使用上的需求，选择适当的位置直接安装，从而满足使用上的需求。

Description

实施于密封袋的袋体气阀
技术领域 本发明涉及密封袋的抽灌气结构领域， 特别地， 涉及一种实施于密封袋的袋体气 阀。 背景技术 参阅图 1所示， 公知密封的拉链袋 1可以黏设一气阀 2， 该拉链袋 1供装填食物 后加以密封后， 可藉一抽气组件 (图未示)由该气阀 2将多余的空气抽空， 使该拉链袋 1 内形成真空状态， 以避免食物氧化或受潮， 而延长食物的保存期限。 或者亦可藉由一灌气组件 (图未示)， 由该气阀 2灌入如氮气等性质稳定的保鲜气 体进入该拉链袋 1， 同样可以减缓食物腐败的速度， 帮助食物维持其鲜度。 依据抽气或灌气需求的不同， 该气阀 2除了可以选用双向气阀同时满足抽气或灌 气的需求之外， 亦可选择单向气阀， 并以特定方向黏合于拉链袋 1上， 其不但增加抽 气或灌气的效率， 同时可增加气密性， 满足使用上的需要。 此公知技术， 虽可满足使用者对该拉链袋 1抽真空或是灌气的需求， 然而为了气 密性的考虑， 该气阀 2为与该拉链袋 1黏合固定， 当该拉链袋 1无法重复使用需要丢 弃的时候， 该气阀 2必须一同丢弃， 其不但造成环境的负担， 亦提高设有该气阀 2的 该拉链袋 1的制造成本而导致售价高昂， 无法满足使用上的需求。 为此， 请参阅图 2与图 3所示， 本案创作人已提出一种可重复拆装使用的袋体气 阀 3， 袋体气阀 3包含一管体 4、 一气阀 5、 一第一吸片 6与一第二吸片 7， 该管体 4 具有一贯穿两侧的中心流道 8， 该气阀 5填塞封闭该中心流道 8， 该第一吸片 6与该第 二吸片 7分别圈套固定于该管体 4的外壁并互相吸合。 请再参阅图 3所示， 该袋体气阀 3的使用必须准备一软性的密封袋 9， 并于该密 封袋 9形成一小于该第一吸片 6与该第二吸片 7吸合面积的穿洞 9A， 并让该管体 4 穿过该穿洞 9A， 以让该第一吸片 6与该第二吸片 7分别位于该密封袋 9的两侧， 并间 隔该密封袋 9互相吸合。 据此， 该第一吸片 6与该第二吸片 7圈套固定于该管体 4， 并间隔该密封袋 9互相吸合， 即可拆装的使用于不同的密封袋 9上而可重复使用。 然而， 此种该袋体气阀 3的使用方式， 其必须于密封袋 9上先形成穿洞 9A， 换句 话说， 其必须额外准备打洞器来形成穿洞 9A， 或者必须购买已具有穿洞 9A的密封袋 9， 其显然造成使用上的困扰， 而降低使用的欲望。 发明内容 本发明目的在于提供一种实施于密封袋的袋体气阀， 以解决密封袋的袋体气阀使 用时需预先打洞的技术问题。 为实现上述目的， 本发明提供了一种实施于密封袋的袋体气阀， 包括一接合管， 该接合管具有一管体、 一气阀与一第一吸片， 该管体具有一贯穿两侧的中心流道， 该 气阀填塞封闭该中心流道， 而该第一吸片则环绕密封接合该管体； 以及一穿剌座， 该 穿剌座具有一穿剌头与一第二吸片， 该穿剌头对应该管体的管径且具有贯穿两侧的一 通气流道， 该第二吸片环绕密封接合该穿剌头， 且于该穿剌头穿入该管体时， 该第一 吸片与该第二吸片为对应吸附在一起。 进一步地， 该第一吸片与该气阀为一体成型制成。 进一步地， 该管体的外壁形成卡合该第一吸片的一外横向凸缘， 且该管体的内壁 形成卡合该气阀的一内横向凸缘。 进—步地， 该穿剌座具有卡合该第二吸片的一横向卡合凸缘。 进—步地， 该第一吸片与该第二吸片的环侧端各形成一环形凹槽。 进—步地， 该穿剌头的前端具有一撕裂刃。 进—步地， 该第一吸片与该第二吸片分别具有相互吸附的一吸附弧面。 进—步地， 该管体供该穿剌头穿入的一边端， 具有紧迫该穿剌头的一内环凸缘。 本发明具有以下有益效果： 本发明可自行固定于该密封袋， 其适用于各种密封袋， 密封袋不需预先打洞， 且 可依据使用上的需求， 选择适当的位置直接安装， 故可满足使用上的需求。 除了上面所描述的目的、特征和优点之外， 本发明还有其它的目的、特征和优点。 下面将参照图， 对本发明作进一步详细的说明。 附图说明 构成本申请的一部分的附图用来提供对本发明的进一步理解， 本发明的示意性实 施例及其说明用于解释本发明， 并不构成对本发明的不当限定。 在附图中： 图 1是根据公知的具气阀的拉链袋示意图； 图 2是根据公知的袋体气阀结构分解示意图； 图 3是根据公知的安装使用示意图； 图 4是根据本发明的实施于密封袋的袋体气阀的接合管结构示意图； 图 5是根据本发明的实施于密封袋的袋体气阀的穿剌座结构示意图； 图 6A~6E是根据本发明的实施于密封袋的袋体气阀的安装使用示意图； 图 Ί是根据本发明的实施于密封袋的袋体气阀的袋体气阀结构另一实施剖视示意 图； 以及 图 8A~8B 是根据本发明的实施于密封袋的袋体气阀的袋体气阀结构另一实施使 用示意图。 具体实施方式 以下结合附图对本发明的实施例进行详细说明， 但是本发明可以由权利要求限定 和覆盖的多种不同方式实施。 请参阅图 4与图 5所示， 本发明包含一接合管 10与一穿剌座 20， 其中该接合管 10具有一管体 11、 一气阀 12与一第一吸片 13， 该管体 11具有一贯穿两侧的中心流 道 111， 该气阀 12填塞封闭该中心流道 111， 而该第一吸片 13则环绕密封接合该管体 11。 据此， 可让该穿剌座放置密封袋的一侧， 并让该接合管的管体， 由该密封袋的另 一侧直接对准套入该穿剌座的穿剌头， 即可让该穿剌头剌破密封袋， 并让该第一吸片 与该第二吸片间隔该密封袋互相吸合， 即完成让袋体气阀装设于密封袋上。 故密封袋 不需预先打洞， 且可依据使用上的需求， 选择适当的位置直接安装， 故可满足使用上 的需求。 该穿剌座 20具有一穿剌头 21与一第二吸片 22， 该穿剌头 21对应该管体 11的管 径且具有贯穿两侧的一通气流道 211， 该第二吸片 22环绕密封接合该穿剌头 21， 且于 该穿剌头 21穿入该管体 11时， 该第一吸片 13与该第二吸片 22为对应吸附在一起。 且该穿剌头 21的前端具有一撕裂刃 212， 并该第一吸片 13与该第二吸片 22分别具有 相互吸附的一吸附弧面 131、221，又该管体 11具有紧迫该穿剌头 21的一内环凸缘 112。 此外， 该第一吸片 13与该气阀 12可以为一体成型制成， 以增加气密性， 并该管 体 11的外壁形成卡合该第一吸片 13的一外横向凸缘 113， 且该管体 11的内壁形成卡 合该气阀 12的一内横向凸缘 114， 以增加该第一吸片 13与该气阀 12接合该管体 11 的气密稳定性， 同样的该穿剌座 20亦可以具有卡合该第二吸片 22的一横向卡合凸缘 201， 以增加该第二吸片 22接合该穿剌座 20的气密稳定性； 又该第一吸片 13与该第 二吸片 22的环侧端各形成一环形凹槽 132、 222， 其可增加该第一吸片 13与该第二吸 片 22的强度而不易翻曲。 请再参阅图 6A〜图 6E所示， 如上所述的袋体气阀 12的使用方法， 其步骤说明如 下： 首先， 准备一密封袋 30， 并将该穿剌座 20置入该密封袋 30内 (如图 6A所示)。 接着， 让该接合管 10的管体 11， 由该密封袋 30的另一侧对准该穿剌座 20的穿 剌头 21C如图 6B所示)。 再来， 让该穿剌头 21剌破密封袋 30， 并让该第一吸片 13与该第二吸片 22间隔 该密封袋 30互相吸合 (如图 6C所示)。 接着， 于该密封袋 30置入食物 50并加以密闭后， 再利用一抽气组件 40罩覆该中 心流道 111(如图60所示)。 最后， 即可对该密封袋 30进行抽气， 以排出气体 (如图 6E所示)。 此外， 该密封袋 30排出气体的方式， 除了利用该抽气组件 40之外， 亦可直接挤 压该密封袋 30， 利用挤压所形成的压力差， 让该密封袋 30内的气体直接排出。 请再参阅图 7、 图 8A与图 8B所示， 于本实施例中， 该接合管 10与该穿剌座 20 亦可反方向安装， 亦即为将该接合管 10置入该密封袋 30内， 再让该穿剌座 20， 由该 密封袋 30的另一侧套入剌破密封袋 30。据此当该密封袋 30置入如鱼等的生鲜食物 51 时， 可利用一灌气组件 60(如图 8A所示)， 对该密封袋 30进行灌气， 以灌入保鲜气体 (如图 8B所示)。 从以上的描述中， 可以看出， 本发明上述的实施例实现了如下技术效果: 本发明可自行固定于该密封袋， 其适用于各种密封袋， 密封袋不需预先打洞， 且 可依据使用上的需求， 选择适当的位置直接安装， 故可满足使用上的需求。 以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本领域的技 术人员来说， 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内， 所作的 任何修改、 等同替换、 改进等， 均应包含在本发明的保护范围之内。

Claims

权 利 要 求 书
1. 一种实施于密封袋的袋体气阀， 其特征在于， 包括：
一接合管， 该接合管具有一管体、 一气阀与一第一吸片， 该管体具有一贯 穿两侧的中心流道， 该气阀填塞封闭该中心流道， 而该第一吸片则环绕密封接 合该管体； 以及
一穿剌座， 该穿剌座具有一穿剌头与一第二吸片， 该穿剌头对应该管体的 管径且具有贯穿两侧的一通气流道， 该第二吸片环绕密封接合该穿剌头， 且于 该穿剌头穿入该管体时， 该第一吸片与该第二吸片为对应吸附在一起。
2. 根据权利要求 1所述的实施于密封袋的袋体气阀， 其特征在于，
该第一吸片与该气阀为一体成型制成。
3. 根据权利要求 2所述的实施于密封袋的袋体气阀， 其特征在于， 该管体的外壁形成卡合该第一吸片的一外横向凸缘， 且该管体的内壁形成 卡合该气阀的一内横向凸缘。
4. 根据权利要求 1所述的实施于密封袋的袋体气阀， 其特征在于，
该穿剌座具有卡合该第二吸片的一横向卡合凸缘。
5. 根据权利要求 1所述的实施于密封袋的袋体气阀， 其特征在于，
该第一吸片与该第二吸片的环侧端各形成一环形凹槽。
6. 根据权利要求 1所述的实施于密封袋的袋体气阀， 其特征在于，
该穿剌头的前端具有一撕裂刃。
7. 根据权利要求 1所述的实施于密封袋的袋体气阀， 其特征在于，
该第一吸片与该第二吸片分别具有相互吸附的一吸附弧面。
8. 根据权利要求 1所述的实施于密封袋的袋体气阀， 其特征在于，
该管体供该穿剌头穿入的一边端， 具有紧迫该穿剌头的一内环凸缘。
PCT/CN2013/078150 2013-06-27 2013-06-27 实施于密封袋的袋体气阀 WO2014205731A1 (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2622102Y (zh) * 2003-04-22 2004-06-30 顾少武 真空贮物袋
US20050172577A1 (en) * 2004-01-13 2005-08-11 Oltrogge John P. User installable vacuum seal apparatus for storage bags
US20090026401A1 (en) * 2007-07-27 2009-01-29 Chris Dobkins Systems and methods for vacuum sealing
TW201300292A (zh) * 2011-06-28 2013-01-01 wei-ling Chen 可拆裝的袋體氣閥及其使用方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2622102Y (zh) * 2003-04-22 2004-06-30 顾少武 真空贮物袋
US20050172577A1 (en) * 2004-01-13 2005-08-11 Oltrogge John P. User installable vacuum seal apparatus for storage bags
US20090026401A1 (en) * 2007-07-27 2009-01-29 Chris Dobkins Systems and methods for vacuum sealing
TW201300292A (zh) * 2011-06-28 2013-01-01 wei-ling Chen 可拆裝的袋體氣閥及其使用方法

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