JPH05124656A - Air evacuation or feed packaging bag and its valve structure and aeration preventing body - Google Patents
Air evacuation or feed packaging bag and its valve structure and aeration preventing bodyInfo
- Publication number
- JPH05124656A JPH05124656A JP1686191A JP1686191A JPH05124656A JP H05124656 A JPH05124656 A JP H05124656A JP 1686191 A JP1686191 A JP 1686191A JP 1686191 A JP1686191 A JP 1686191A JP H05124656 A JPH05124656 A JP H05124656A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- deaeration
- bag
- air
- packaging bag
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Landscapes
- Bag Frames (AREA)
- Vacuum Packaging (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電気掃除機等で簡単に
脱気して脱気包装（真空包装）ができる脱気包装袋、及
び空気や酸素等を給気して加圧状態で密封包装ができる
給気包装袋とその弁構造体及び脱気包装状態での復元防
止体に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deaeration packaging bag which can be easily deaerated with an electric vacuum cleaner or the like for deaeration packaging (vacuum packaging) and a pressurized state by supplying air or oxygen. The present invention relates to an air supply packaging bag that can be hermetically packed, a valve structure thereof, and a restoration preventive body in a deaerated packaging state.
【０００２】[0002]
【従来の技術】従来、脱気包装（真空包装）は食品物、
機械部品、薬品、繊維等に多用されている。特に、近年
物流における省スペース化の一環として空気含有量の大
きくて嵩張る製品、例えば、綿、羊毛、羽毛等の繊維原
料やこれを用いた製品、又化学製品のウレタンフォーム
等の流通に脱気包装が採用され、省コスト、省スペース
に貢献している。従来の脱気包装は、空気不透過性の高
いフイルムで形成された袋に、内容物を充填し、脱気包
装機のチャンバー内で開口部より空気を抜いた後に、ヒ
ートシールにより開口部を密封している（例えば、特開
昭５９ー５１０１９号公報）。一方、脱気チャンバーを
使用しないで簡易に脱気包装ができる簡易脱気包装袋も
提供されている。従来の簡易脱気包装袋は、脱気用の吸
入弁が空気の流通路（バルブ孔）を形成する２枚のガイ
ド片で構成され、該バルブ孔に吸引ノズルを差し込むこ
とによってバルブ孔を開口して袋内部の空気を吸引でき
るようにしている（例えば、特開平１ー９９９２５号、
実開昭６２ー９９５３４号公報）。一般に、袋内が陽圧
の場合、袋内の空気が洩れないように逆止弁を設けるこ
とは簡単であり、多くの形態のものが提案されている
（例えば、特公昭６４ー９２１４号公報、特開昭６３ー
４６１１７号公報）。しかしながら、真空包装の場合
は、袋内が負圧であるため、陽圧包装のように袋内の圧
力で大気圧に抗して弁を逆止状態で維持することは困難
であり、従来真空包装用袋の脱気弁で確実に逆止弁機能
を果す簡易な弁体は提案されていない。2. Description of the Related Art Conventionally, deaeration packaging (vacuum packaging) is a food product,
It is widely used for machine parts, chemicals, textiles, etc. In particular, as a part of space saving in logistics in recent years, products with large air content and bulk, such as fiber raw materials such as cotton, wool, and feathers, products using the same, and urethane foam for chemical products are degassed for distribution. Packaging is adopted, which contributes to cost saving and space saving. Conventional degassing packaging is performed by filling the contents in a bag made of a film with high air impermeability, removing the air from the opening in the chamber of the degassing packaging machine, and then opening the opening by heat sealing. It is hermetically sealed (for example, JP-A-59-51019). On the other hand, there is also provided a simple deaeration packaging bag that can be easily deaerated without using a deaeration chamber. In a conventional simple deaeration packaging bag, an intake valve for deaeration is composed of two guide pieces forming an air flow passage (valve hole), and a valve hole is opened by inserting a suction nozzle into the valve hole. So that the air inside the bag can be sucked (see, for example, JP-A-1-99925,
(Kaikai 62-99534). Generally, in the case where the inside of the bag has a positive pressure, it is easy to provide a check valve so that the air in the bag does not leak, and many types have been proposed (for example, Japanese Patent Publication No. 64-9214). , JP-A-63-46117). However, in the case of vacuum packaging, since the bag has a negative pressure, it is difficult to maintain the valve in a non-returned state against the atmospheric pressure by the pressure in the bag as in the case of positive pressure packaging. No simple valve body has been proposed that reliably performs the check valve function by the deaeration valve of the packaging bag.
【０００３】[0003]
【発明が解決しようとする課題】脱気包装の場合、袋の
密封を図ることが基本条件となるが、従来袋に内容物を
充填して後、袋口を手軽に密封できて、しかも長期にわ
たって密封状態を保つことができるという要求を満たす
密封手段が存在しない。例えば、フアスナー等は取扱い
が簡単であるが、密封性に欠ける。また、粘着テープに
よる密封は耐久性に欠けると共に、接着面にゴミ等が付
着し易く、確実性及び密封性に欠ける。その為、従来こ
の種袋の袋口の密封は専らヒートシールによって行って
いる。然し乍ら、ヒートシールは専用のヒートシーラが
必要であり、家庭等で手軽に行なう事はできない難点が
ある。ヒートシーラがない場合、アイロンで行なうこと
も可能であるが、温度コントロールが難しく良好にシー
ルすることは困難である。また、ヒートシールの場合、
熱接着性樹脂で形成された袋でなければならず、包装袋
の材質が限定される。さらに、ヒートシールした個所は
開口することができないので、解荷する場合は袋を破ら
なければならず、密封包装袋を繰り返し使用することは
できない問題がある。In the case of deaeration packaging, the basic condition is to seal the bag. However, the bag mouth can be easily sealed after the bag is filled with the contents, and the bag can be easily sealed for a long time. There is no sealing means that fulfills the requirement of being able to remain sealed over. For example, Fusner or the like is easy to handle, but lacks in hermeticity. Further, the sealing with the adhesive tape lacks durability, and dust and the like are likely to adhere to the adhesive surface, resulting in lack of reliability and sealing property. Therefore, conventionally, the bag mouth of this kind of bag is hermetically sealed by heat sealing. However, heat sealing requires a dedicated heat sealer, which is difficult to do at home. If there is no heat sealer, it can be ironed, but temperature control is difficult and good sealing is difficult. In the case of heat sealing,
It must be a bag formed of a heat-adhesive resin, and the material of the packaging bag is limited. Further, since the heat-sealed portion cannot be opened, the bag must be broken when unloading, and the sealed packaging bag cannot be used repeatedly.
【０００４】一方、上記従来の簡易脱気包装袋の脱気弁
は、脱気終了後ノズルをバルブ孔から抜くことによっ
て、２枚のガイド片が接触しバルブ孔を閉じるが、その
閉止力は極めて弱く大気が侵入したり、またバルブ孔に
異物等を差し込むことによって、容易に外気が侵入し、
確実に脱気包装を維持することが困難であった。また、
この場合、バルブ孔に差し込むための特殊な吸引ノズル
が必要であり、単に掃除機等の吸引口を当てるだけでは
脱気することができない欠点がある。そして、弁体の構
造も複雑で袋体に簡単に取り付けることができず、コス
ト高にる欠点もある。また、その構造と材質から装着す
る包装袋本体の材質の制約を受けると共に、吸引する際
に袋内の充填物も吸引されるので、適用できる内容物は
固形物に限られ、粉状体や粒状体、又は細かい羽毛等の
場合は適用できないという問題点を有していた。さら
に、従来の脱気包装の問題点として、上記の他に基本的
な問題として、流通、使用、保管等の過程で袋にピンホ
ールが発生した場合、折角脱気包装しても空気が流入し
て復元してしまう事故を防止することができないという
問題がある。On the other hand, in the deaeration valve of the above-mentioned conventional simple deaeration packaging bag, the two guide pieces come into contact with each other to close the valve hole by removing the nozzle from the valve hole after the deaeration is completed. The atmosphere is extremely weak, and the outside air can easily enter by inserting foreign matter into the valve hole.
It was difficult to reliably maintain the degassing package. Also,
In this case, a special suction nozzle for inserting it into the valve hole is required, and there is a drawback that deaeration cannot be performed simply by applying a suction port of a vacuum cleaner or the like. Moreover, the structure of the valve body is complicated, and it cannot be easily attached to the bag body, and there is a drawback that the cost becomes high. In addition, the structure and material of the packaging bag body is restricted by the material to be mounted, and since the filling material in the bag is also sucked at the time of suctioning, the applicable contents are limited to solid substances, powdery materials and There is a problem that it cannot be applied to granular bodies or fine feathers. In addition to the above-mentioned problems with conventional degassing packaging, as a basic problem, if pinholes occur in the bag during the process of distribution, use, storage, etc., air will flow even if it is bent degassing packaging. There is a problem that it is not possible to prevent accidents that result in restoration.
【０００５】本発明は、上記従来の脱気包装の問題点を
一挙に解決しようとするものであり、その第１の目的
は、専用の脱気包装機を必要とせず、簡易な吸引装置で
家庭等で手軽に脱気包装ができ、脱気後自動的に弁孔が
閉じられて脱気状態を確実に保持するとができ、而も固
形物に限らず粉状体や粒状、羽毛等にも適用できる脱気
包装袋、及び給気して簡単に給気口が密閉することがで
きる給気袋の弁構造体を提供することにある。第２の目
的は、被包装物を脱気包装袋に充填後、充填口を手軽に
しかも確実に密封でき、長期間密封状態を維持でき、而
も開口が容易で繰り返し使用することができる脱気包装
袋を提供することにある。さらに、第３の目的として、
脱気包装袋の密封状態が破壊された場合に、脱気包装体
の復元による膨脹を防止するための脱気包装体の復元防
止体を提供することにある。The present invention is intended to solve the above-mentioned problems of the conventional deaeration packaging, and a first object thereof is a simple suction device which does not require a dedicated deaeration packaging machine. It can be easily degassed and packaged at home, etc., and after degassing, the valve hole can be closed automatically to reliably maintain the degassed state, and it is not limited to solid matter, but to powdery substances, granules, feathers, etc. Another object of the present invention is to provide a deaeration packaging bag that can also be applied to, and a valve structure for an air supply bag that can be air-supplied and the air supply port can be easily sealed. The second purpose is that after the object to be packed is filled in the deaeration packaging bag, the filling port can be easily and surely sealed, the sealed state can be maintained for a long time, and the opening is easy and can be repeatedly used. The purpose is to provide an air wrapping bag. Furthermore, as a third purpose,
An object of the present invention is to provide an anti-restoration body for a degassing package for preventing expansion due to restoration of the degassing package when the sealed state of the degassing packaging bag is destroyed.
【０００６】[0006]
【課題を解決するための手段】上記問題点を解決する本
発明の脱気包装袋は、空気不透過性の柔軟材料で形成さ
れ、袋口開口部を残して周縁部が閉塞されて袋本体の開
口部の表壁及び裏壁内面に、非粘着性自己融着型接着層
を有する密封テープが接着され、且つ袋口の両端部に位
置する該密封テープの一部を切断して、該切断部を介し
て前記袋体の表壁と裏壁を直接ヒートシールしてスポッ
トシール部を形成し、袋本体の表壁又は裏壁の何れかに
脱気又は給気口を形成して脱気弁又は給気弁を取付けた
ことを特徴とする構成を有している。The deaeration packaging bag of the present invention which solves the above problems is formed of an air impermeable flexible material, and its peripheral portion is closed except for the bag mouth opening, and the bag body is closed. A sealing tape having a non-adhesive self-fusing adhesive layer is adhered to the inner surfaces of the opening and the back wall of the opening, and a part of the sealing tape located at both ends of the bag mouth is cut, The front wall and the back wall of the bag body are directly heat-sealed through the cutting portion to form the spot seal portion, and the degassing or the air supply port is formed on either the front wall or the back wall of the bag body to remove the air. It has a structure characterized by mounting an air valve or an air supply valve.
【０００７】また、その弁構造体は、包装袋の壁フイル
ムに形成された脱気口の周りに接着され、該脱気口より
径大な弁ガイド孔を有し空気不透過性材料で形成された
弁体ガイド盤、該弁体ガイド盤の弁ガイド孔に遊嵌され
下面が密着性を有する弁体、前記弁体ガイド盤の下面に
設けられ前記弁ガイド孔より径小の弁孔が形成された空
気不透過性材料で形成された弁座からなり、脱気時には
前記弁体が移動して前記弁孔と脱気口を通気可能に保た
れることを特徴とする構成を有している。前記弁体ガイ
ド盤及び弁座は包装袋の壁フイルムの内方又は外方の何
れかに接着する。脱気時に弁体と脱気口との通気性を確
保する手段として、弁体の上面を粗面にするか、又は脱
気口側の壁を粗面にするか、さらにはその間に通気性の
ある物体を介在させるか等適宜の手段が採用できる。脱
気時に内容物が吸引されるのを防ぐ手段として弁座内面
側に弁孔を覆ってフィルタを設けてある。それにより、
比較的微細な物品の脱気包装が可能になった。吸引する
際の抵抗力を均一にするために、前記フィルタの下面に
空気不透過性のカバーシート又は微細多孔シートを貼着
することが望ましい。脱気口の周囲の袋壁体を補強する
ために、弁体ガイド盤の上面に補強シートを設けてあ
る。また、弁体又は弁座及び補強シートを磁石で構成し
て磁力によって、又は弁体の上方に弾性体を介在させて
弾性力によって、弁体を弁座側に付勢して弁体の密封性
を向上させてある。弁体及び弁座は必ずしも平面形状で
なくても良く、弁座が弁孔周囲に突出する円筒部を有
し、前記弁体がキャップ状に形成しても良い。給気包装
袋の弁構造体は、前記脱気包装袋の弁構造体において、
弁体を弁ガイド孔に逆にした状態で遊嵌することによっ
て達成できる。Further, the valve structure is adhered around the deaeration port formed in the wall film of the packaging bag, has a valve guide hole larger than the deaeration port, and is formed of an air impermeable material. A valve body having a smaller diameter than the valve guide hole, the valve body being loosely fitted into the valve guide hole of the valve body and having a lower surface adherent to the valve body; A valve seat formed of an air-impermeable material formed, the valve body moving during deaeration so that the valve hole and the deaeration port can be kept ventilated. ing. The valve disc guide plate and the valve seat are adhered to either the inside or the outside of the wall film of the packaging bag. As a means for ensuring the air permeability between the valve body and the deaeration port during deaeration, the upper surface of the valve body should be roughened, or the wall on the deaeration port side should be roughened, and further the air permeability should be maintained between them. Appropriate means such as interposing a certain object can be adopted. As a means for preventing the contents from being sucked during deaeration, a filter is provided on the inner surface side of the valve seat to cover the valve hole. Thereby,
Deaeration packaging of relatively fine articles has become possible. In order to make the resistance force during suction uniform, it is desirable to attach an air impermeable cover sheet or a fine porous sheet to the lower surface of the filter. A reinforcing sheet is provided on the upper surface of the valve body guide plate to reinforce the bag wall body around the deaeration port. In addition, the valve body or the valve seat and the reinforcing sheet are composed of magnets, and the valve body is biased toward the valve seat side by magnetic force or by elastic force by interposing an elastic body above the valve body to seal the valve body. It improves the sex. The valve body and the valve seat do not necessarily have to have a planar shape, and the valve seat may have a cylindrical portion protruding around the valve hole, and the valve body may be formed in a cap shape. The valve structure of the air supply packaging bag, in the valve structure of the degassing packaging bag,
This can be achieved by loosely fitting the valve body into the valve guide hole in the inverted state.
【０００８】脱気包装袋保護体は、プラスチックシート
でチューブ体を形成し、該チューブ体の全面又は一部に
円又は楕円状の孔を形成することによって、ある程度の
伸縮性があるネット状袋を得ることによって解決した。The deaeration packaging bag protector is a net-like bag having elasticity to some extent by forming a tube body from a plastic sheet and forming a circular or elliptical hole on the whole surface or a part of the tube body. Solved by getting.
【０００９】[0009]
【作用】脱気又は給気包装袋の開口部に採用した非粘着
性自己融着接着剤は、他の物質を接着しない特性をもっ
ているので、充填物の出し入れをしても充填物やごみが
付着せず、従来の粘着型接着剤に見られるような接着面
に夾雑物の粘着による機能低下がない等優れたシールド
性を有している。そして、単に指で圧力を加えるのみで
接着し、また接着力に抗して引き剥がすことによって容
易に剥離し、開閉が容易であり、且つ長期にわたる反復
使用が可能である。また、袋口の端部は、包装袋の壁同
志が直接接着するスポットシール部を設けたことによっ
て、袋口の補強と密封テープの両端部を上下から袋の壁
フイルムが溶着することにより、強固に固定すると共に
その端部からの空気の漏れを防止している。[Function] Since the non-adhesive self-fusing adhesive used in the opening of the deaeration or air-supply packaging bag has the property of not adhering to other substances, even if the packing is taken in and out, the packing and dust will not It does not adhere, and has excellent shielding properties such as no deterioration in function due to adhesion of foreign substances on the adhesive surface as seen in conventional adhesive adhesives. Then, they are bonded simply by applying pressure with a finger, and they are easily peeled off by peeling them against the adhesive force, easy to open and close, and can be repeatedly used for a long time. In addition, the end of the bag mouth is provided with a spot seal part where the walls of the packaging bag directly adhere to each other, so that the bag wall film is welded from above and below by reinforcing both ends of the bag mouth and the sealing tape. It is firmly fixed and prevents air leakage from its end.
【００１０】前記構造の弁を採用することにより、脱気
包装の場合、脱気口に掃除機等の吸引装置を当てて外部
より吸引を開始すると、弁体は吸引力によって吸い上げ
られ、弁孔を開放するとともに、その上面は壁フイルム
側に接触するが、弁体の上面と脱気口は通気可能に保た
れるので、吸引が可能である。即ち、それにより、本発
明の弁構造体は一方向のみの通気が可能な逆止弁として
の機能を有している。袋内の空気は、吸引によってフィ
ルタ内を通過して排出されるから、袋内の充填物が粉状
物であっても、充填物はフィルタによって邪魔され、外
部に吸引されることはない。吸引が完了すると、袋内の
負圧により弁体が内部に引かれて移動して弁座に密着
し、弁孔を閉鎖し、その後袋内の真空が保たれる。そし
て、磁力又は弁体の上部に設けた弾性体の復元力によ
り、常に弁体と弁座が密着する方向に弁体を付勢するこ
とによって、脱気包装状態で弁座が強く密着し、不用意
に動くことがなく、長期にわたって良好に脱気状態を維
持できる。 給気包装袋の場合は、弁体の状態が逆にな
っているので、給気中は粗面を有する底面が弁座に接触
するので、その隙間から袋内に空気が流入でき、給気が
終了すると袋の内圧によって弁体上面が給気口を密閉
し、内部の空気が洩れるのを防止する。本発明の弁構造
体は合成樹脂シート等の組合せで構成することができ、
嵩張らずしかも固形物特有の硬さもなく、袋本体の壁フ
イルムを破損するおそれない。また、その製作も単に接
着するのみででき、袋の脱気口又は給気口に貼着するだ
けで達成できる。By adopting the valve having the above-mentioned structure, in the case of deaeration packaging, when a suction device such as a vacuum cleaner is applied to the deaeration port and suction is started from the outside, the valve body is sucked up by the suction force and the valve hole The upper surface of the valve body comes into contact with the wall film side, but the upper surface of the valve body and the deaeration port are kept ventilated so that suction is possible. That is, thereby, the valve structure of the present invention has a function as a check valve capable of ventilation in only one direction. Since the air in the bag passes through the filter and is discharged by suction, even if the packing in the bag is a powder, the packing is obstructed by the filter and is not sucked to the outside. When the suction is completed, the valve element is pulled inward by the negative pressure in the bag and moves to come into close contact with the valve seat, close the valve hole, and then the vacuum in the bag is maintained. Then, by the magnetic force or the restoring force of the elastic body provided on the upper portion of the valve body, the valve body is always urged in the direction in which the valve body and the valve seat closely contact each other, so that the valve seat strongly adheres in the degassed packaged state, It does not move carelessly and can maintain a good degassing condition for a long time. In the case of an air supply packaging bag, the state of the valve body is reversed, so the bottom surface with a rough surface contacts the valve seat during air supply, so air can flow into the bag through the gap and supply air. When the process is completed, the upper surface of the valve body closes the air supply port by the internal pressure of the bag and prevents the internal air from leaking. The valve structure of the present invention can be configured by a combination of synthetic resin sheets or the like,
It is not bulky and has no hardness peculiar to solids, and there is no risk of damaging the wall film of the bag body. Further, the production thereof can be performed by simply adhering it, and can be achieved by simply sticking it to the deaeration port or the air supply port of the bag.
【００１１】脱気包装復元防止体は、プラスックシート
で形成した筒状の袋又は鞘に円や楕円をポンチングする
ことによって、ある一定程度の伸縮性が生じ、脱気包装
した状態での物品の容積の違いにも対応でき、脱気包装
体の外周面に常にフィットした状態を維持し、ネットで
包装体を包んで状態になる。従って、脱気状態が破れて
被包装物が膨張して元の形に復元しようとしても、その
外周面が復元防止体に拘束されて復元を阻止される。The deaeration-packing restoration preventive body has a certain degree of elasticity by punching a circle or an ellipse on a tubular bag or sheath formed of a plastic sheet, and thus the degassed-packed article-preventing body has a certain elasticity. It can handle different volumes and keeps the outer surface of the degassing package always fitted, and wraps the packaging with a net. Therefore, even if the degassed state is broken and the packaged object expands to restore its original shape, its outer peripheral surface is restrained by the restoration preventing body and is prevented from restoring.
【００１２】[0012]
【実施例】以下、本発明の実施例を図面に基づいて詳細
に説明する。図１は本発明に係る脱気包装袋の弁構造体
を示している。図中１は包装袋本体の空気不透過性材料
で形成された壁フイルムであり、図示のように脱気用の
円形の脱気口２が設けられている。本実施例の弁構造体
は、壁フイルム１の裏面側に脱気口２を覆って接着して
設けられており、空気不透過性の材料で形成された弁体
ガイド盤６、空気不透過性の材料で形成された弁座８、
通気性材料で形成されたフィルタ１０、空気不透過性の
材料で形成されたカバーシート１２が順次積層され、両
面接着シート５、７、９、１１を介して一体化されてい
る。前記弁体ガイド盤６には、前記脱気口２より径大な
弁ガイド孔１３が形成され、また、弁座８及び両面接着
シート９には弁孔１６が形成されている。そして、前記
弁ガイド孔１３には、弁孔１６を上下動して開閉する弁
体１７が遊嵌されている。該弁体は下面が弁座と密着性
が良いように平滑面に、上面が通気可能に粗面になるよ
うに構成され、本実施例では２層構造になっており、下
部１８が空気不透過性のプラスチックシートで、上部１
９が空気透過性の不織布で形成されて接着剤層を介して
一体になっている。また、袋外部側には袋本体の壁フイ
ルムの脱気口を覆うシーリングシート２０が剥離自在に
接着されている。なお、両面接着シートを介在させる代
わりに、接着剤で直接各シートを接着させることも勿論
可能である。また、フィルタの材質としては、通気性が
あり、袋内の充填物が通過できない程度の粗さを有する
ものであれば如何なるものでも可能であり、例えば、連
続気泡からなる発泡プラスチックフイルムや不織布、織
物状物、多細孔を有するプラスチックフイルム等が採用
できる。Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 shows a valve structure of a deaeration packaging bag according to the present invention. In the figure, reference numeral 1 denotes a wall film made of an air impermeable material for the body of the packaging bag, and provided with a circular deaeration port 2 for deaeration as shown. The valve structure of the present embodiment is provided on the back side of the wall film 1 so as to cover the deaeration port 2 and adhere to it, and the valve guide plate 6 made of an air impermeable material and the air impermeable material. Valve seat 8 made of a flexible material,
A filter 10 made of a breathable material and a cover sheet 12 made of an air impermeable material are sequentially laminated and integrated via the double-sided adhesive sheets 5, 7, 9, 11. A valve guide hole 13 having a diameter larger than that of the degassing port 2 is formed in the valve disc guide board 6, and a valve hole 16 is formed in the valve seat 8 and the double-sided adhesive sheet 9. A valve body 17 that vertically moves the valve hole 16 to open and close is loosely fitted in the valve guide hole 13. The lower surface of the valve element is a smooth surface so that the lower surface has good adhesion to the valve seat, and the upper surface is a rough surface so that ventilation is possible. Transparent plastic sheet, top 1
9 is formed of an air-permeable non-woven fabric and is integrated via an adhesive layer. Further, a sealing sheet 20 that covers the deaeration port of the wall film of the bag body is detachably adhered to the outside of the bag. Instead of interposing the double-sided adhesive sheet, it is of course possible to directly adhere each sheet with an adhesive. Further, as the material of the filter, it is possible to use any material as long as it is breathable and has a roughness that does not allow the filling in the bag to pass through, for example, a foamed plastic film or a nonwoven fabric composed of open cells, A woven material, a plastic film having multiple pores, or the like can be used.
【００１３】次に、以上のように構成された弁構造体の
使用方法を説明する。上記弁構造体が設けられている袋
に、例えば羽毛等の内容物を充填し、袋の開口部を密封
する。次いで、前記脱気口２に貼ってあるシーリングシ
ート２０を剥離し、掃除機等の吸引機の吸引筒の先端を
該脱気口に押し当て吸引を開始する。なお、シーリング
シート２０は、予め剥離可能に脱気口部に貼っておいて
も良く、或いは接着面に剥離紙を貼付して別個に保管し
ていても良い。吸引を開始することによって、弁体１７
は吸い上げられ、その下面は弁孔１６を開放し、その上
面は壁フイルム１に接触するが弁体１７の上面には通気
可能層が形成されているので、吸引が可能である。袋内
の空気は、吸引によって、フィルタの側面外周部から吸
引されてフィルタ内を通過し、弁孔から弁ガイド孔を通
り、弁体の上部から脱気口を通り外部に排出される。そ
の際、フィルタ下面は空気不透過性のカバーシート１２
で覆われているので、空気はフィルタの周側面から均一
に吸引され、弁孔の下方位置のフィルタ部分から集中的
に吸引されることがなく、効率良く吸引することができ
る。吸引を完了して吸引筒を脱気口から離すと、袋内の
負圧により弁体１７が内部に引かれて移動して弁座８に
密着し、弁孔１６を閉鎖し、袋内の真空が保たれる。そ
して、外方よりシーリングシート２０を貼着して脱気口
を封鎖することにより、より確実に密封され、その状態
を維持し続けることができる。シーリングシートは必ず
しも必要ではないが、長期にわたって真空状態をより確
実に維持するために設けたものである。Next, a method of using the valve structure constructed as described above will be described. The bag provided with the valve structure is filled with contents such as feathers and the opening of the bag is sealed. Then, the sealing sheet 20 attached to the deaeration port 2 is peeled off, and the tip of the suction cylinder of a suction device such as a vacuum cleaner is pressed against the deaeration port to start suction. The sealing sheet 20 may be peelably attached to the deaeration port in advance, or release paper may be attached to the adhesive surface and stored separately. By starting suction, the valve body 17
Is sucked up, its lower surface opens the valve hole 16, and its upper surface contacts the wall film 1, but a breathable layer is formed on the upper surface of the valve body 17, so that suction is possible. The air in the bag is sucked by suction from the side surface outer peripheral portion of the filter, passes through the filter, passes through the valve hole through the valve guide hole, and is discharged from the upper portion of the valve body through the deaeration port to the outside. At that time, the lower surface of the filter is covered with an air impermeable cover sheet 12
Since it is covered with, the air is sucked uniformly from the peripheral side surface of the filter and is not sucked intensively from the filter portion below the valve hole, so that the air can be sucked efficiently. When the suction is completed and the suction cylinder is separated from the deaeration port, the negative pressure inside the bag causes the valve body 17 to be pulled inward and move to adhere to the valve seat 8, close the valve hole 16, and close the inside of the bag. The vacuum is maintained. Then, by sealing the sealing sheet 20 from the outside and sealing the deaeration port, the sealing is more reliably performed and the state can be maintained. Although the sealing sheet is not always necessary, it is provided to more reliably maintain the vacuum state for a long period of time.
【００１４】図４〜図１１の各図は、本発明の弁構造体
他の実施例を夫々示している。以下の実施例において
は、図１の実施例と同様な部材は同一符号を用い説明は
省略し、特徴点のみを詳細に説明する。図４の実施例に
おいて、フィルタ２１は、２種類のフィルタ材２１ａ、
２１ｂを積層して構成され、その裏面側に接着されるカ
バーシート２７は、微細有孔フイルムを採用している。
また、弁体２２は空気不透過性の材料で成形され、その
上面に複数の突起２３が形成され、弁体２２が壁フイル
ム１に接触しても空気が流通できるようになっている。
また、本実施例では、カバーシート２７が微細有孔シー
トを使用しているので、吸引するとき該カバーシートか
らも僅かに吸引される。そして、フィルタが２層構造で
あるので、フィルタ効果がより高く、内容物が粉粒体等
の場合に適している。なお、弁体の上面を通気可能に粗
面にする構造は、弁体が壁フイルムに接触した状態で通
気できる構造であれば如何なる形態でもよく、その一例
を図５に示す。同図(ａ)の弁体１７ａは上面を目の粗い
不織布２３で形成したもの、(ｂ)の弁体１７ｂは上面を
梨地状２４にしたもの、(ｃ)の弁体１７ｃは上面に複数
の突起２５を設けたもの、(ｄ)の弁体１７dは上面に複
数の溝２６を設けたものを夫々示している。Each of FIGS. 4 to 11 shows another embodiment of the valve structure of the present invention. In the following embodiments, the same members as those in the embodiment of FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. Only the characteristic points will be described in detail. In the embodiment of FIG. 4, the filter 21 includes two types of filter materials 21a,
The cover sheet 27, which is formed by laminating 21b and is adhered to the back surface side thereof, employs a fine perforated film.
Further, the valve body 22 is formed of an air impermeable material, and a plurality of protrusions 23 are formed on the upper surface thereof so that air can flow even if the valve body 22 contacts the wall film 1.
Further, in this embodiment, since the cover sheet 27 is a fine perforated sheet, it is slightly sucked from the cover sheet when sucking. Further, since the filter has a two-layer structure, the filter effect is higher and it is suitable when the content is a granular material or the like. The structure in which the upper surface of the valve body is made rough so that it can be ventilated may be any structure as long as the valve body can be ventilated in contact with the wall film, and an example thereof is shown in FIG. The valve body 17a in the same figure has an upper surface formed of a coarse non-woven fabric 23, the valve body 17b in (b) has a satin-shaped upper surface 24, and the valve body 17c in (c) has a plurality of upper surfaces. The projections 25 are provided, and the valve body 17d shown in (d) is provided with a plurality of grooves 26 on the upper surface.
【００１５】図６に示す実施例は、図１に示す実施例に
おいて、弁体ガイド盤及び弁座を壁フイルムの外部に設
けた場合であり、本実施例の弁体ガイド盤３０は弁ガイ
ド孔３１の上面に径小な吸引孔３２が形成され、下面は
前記実施例と同様に開放されている。そして、弁座３３
の弁孔３４と壁フイルム１の脱気口とが重なって連通し
ている。その他の構成は前記第１実施例とほぼ同様であ
る。図７に示す実施例は、圧縮包装状態で弁体が濫りに
動くことを防止し、密封性をより向上させるために、磁
力を利用したものである。即ち、弁座４０は鉄箔を使用
したプラスチックラミネトシートからなる磁性体で形成
され、弁体４１がプラスチックマグネットで形成され、
両者は互いに吸引し合うようになっている。したがっ
て、この実施例の場合、袋内が脱気された状態では弁体
は負圧による吸引作用と磁力により、弁座４０に密着状
態を維持し、容易に負圧状態が破れることはない。な
お、磁石の吸引力は、脱気時には、吸引装置の吸引力に
より吸引されて弁孔を開口できる程度の磁力を有するよ
うに選定される。なお、４２は壁フィルムとの接着面を
補強するための補強シートであり、中央部に脱気口２と
一致する穴４３が形成されている。The embodiment shown in FIG. 6 corresponds to the embodiment shown in FIG. 1 in which the valve disc guide plate and the valve seat are provided outside the wall film, and the valve disc guide plate 30 of this embodiment is a valve guide. A suction hole 32 having a small diameter is formed on the upper surface of the hole 31, and the lower surface is opened as in the above-described embodiment. And the valve seat 33
The valve hole 34 and the deaeration port of the wall film 1 overlap and communicate with each other. The other structure is almost the same as that of the first embodiment. The embodiment shown in FIG. 7 uses a magnetic force in order to prevent the valve body from moving excessively in the compressed packaged state and further improve the sealing performance. That is, the valve seat 40 is made of a magnetic material made of a plastic laminate sheet using iron foil, and the valve body 41 is made of a plastic magnet.
Both are designed to suck each other. Therefore, in the case of this embodiment, when the inside of the bag is degassed, the valve body is kept in close contact with the valve seat 40 by the suction action and magnetic force due to the negative pressure, and the negative pressure state is not easily broken. The attraction force of the magnet is selected so that it has a magnetic force such that it can be attracted by the attraction force of the attraction device to open the valve hole during deaeration. Reference numeral 42 is a reinforcing sheet for reinforcing the adhesive surface to the wall film, and has a hole 43 formed at the center thereof, which coincides with the degassing port 2.
【００１６】図８は、磁力によって弁の密封性を高める
ようにしたさらに他の実施例である。本実施例では、弁
体４５及び弁座４６とも磁石で構成すると共に、弁体ガ
イド盤６の上部に袋の脱気口に通じる開口４８を形成し
たプラスチックマグネットで形成された補強シート４７
を設けてある。前記弁体の上面は前記マグネットシート
の下面の磁極と同極の磁極面を有し、下面は弁座の上面
と異極になるようなっており、弁体は磁石の吸引力及び
反発力によって、通常の状態で弁座に密着し、弁孔を密
閉する。図９の実施例では、弁体５０と脱気口の補強シ
ート５１との間の空間にスポンジ等の通気性を有する弾
性体５３を介在させてある。従って、この場合弁体５０
の上面を必ずしも粗面にする必要はなく、吸引装置を脱
気口２に当てて吸引を開始すると、吸引力により弁体５
０は弾性体５３を圧縮しながら上昇し、弁孔１６が開き
袋内の空気は外部に吸引される。そして、吸引が終了す
ると弾性体はその復元力により、元の状態に復元して弁
体５０を弁座８に押圧し、弁体５０が弁座面から離れる
のを防止して、脱気状態を維持する。従って、弾性体は
フィルタとバネの働きをする。以上の弁構造体に於て
は、図８の実施例を除き、弁体の上面を粗面にしたが、
弁体が壁フイルム又は補強シートに接触した場合、その
接触部から空気が流通して脱気口に流れれば良いので、
逆に弁体の上面が接触する脱気口側の面を粗面に形成し
ても同様な機能を果す。図１０及び図１１は脱気口側を
粗面にした場合の実施例である。図１０において、脱気
口の補強シート５５の下面は、突起等が形成された粗面
５６となっており、弁体５７の上面は粗面となっていな
い。FIG. 8 shows still another embodiment in which the sealing property of the valve is enhanced by the magnetic force. In this embodiment, the valve body 45 and the valve seat 46 are both made of magnets, and the reinforcing sheet 47 is made of a plastic magnet and has an opening 48 communicating with the deaeration port of the bag formed in the upper portion of the valve body guide plate 6.
Is provided. The upper surface of the valve element has a magnetic pole surface having the same pole as the magnetic pole of the lower surface of the magnet sheet, and the lower surface has a different polarity from the upper surface of the valve seat, and the valve element is attracted and repulsed by the magnet. , Adhere to the valve seat in a normal state and seal the valve hole. In the embodiment of FIG. 9, a breathable elastic body 53 such as a sponge is interposed in the space between the valve body 50 and the degassing reinforcing sheet 51. Therefore, in this case, the valve body 50
The upper surface of the valve body 5 does not necessarily have to be rough, and when suction is started by applying the suction device to the degassing port 2, the valve body 5 is sucked by the suction force.
0 rises while compressing the elastic body 53, the valve hole 16 opens, and the air in the bag is sucked to the outside. Then, when the suction is completed, the elastic body restores to its original state by the restoring force and presses the valve body 50 against the valve seat 8, preventing the valve body 50 from separating from the valve seat surface, and degassing state. To maintain. Therefore, the elastic body functions as a filter and a spring. In the above valve structure, except for the embodiment shown in FIG. 8, the upper surface of the valve body is roughened.
When the valve body comes into contact with the wall film or the reinforcing sheet, air may flow from the contact portion and flow into the degassing port.
On the contrary, the same function can be achieved by forming the surface on the deaeration port side, which is in contact with the upper surface of the valve body, with a rough surface. 10 and 11 show an embodiment in which the degassing port side is roughened. In FIG. 10, the lower surface of the degassing reinforcing sheet 55 is a rough surface 56 on which projections and the like are formed, and the upper surface of the valve body 57 is not a rough surface.
【００１７】図１１の実施例では、図１０の実施例にお
ける粗面に相当するものとして、フィルタ６０を補強シ
ート６１の裏面に接着してある。該フィルタは吸引によ
り弁体６２が密着しても、その周面に通じる空気流通路
を維持できる硬さを有しており、吸引に支障がないよう
に形成されている。弁座６３は、弁ガイド孔６５内に突
出する円筒部６４を有し、弁体ガイド盤６６と一体に成
形されている。そして、弁体６２は前記円筒部６４に外
嵌合するようにキャップ状にして、弁体が偏心するのを
防いでいる。以上、本発明の弁構造体の種々の実施例を
説明したが本発明はこれらの実施例に限るものでない。
例えば、前記各実施例で開示された部分構成を別の実施
例に採用すれば、前記実施例と違った形の弁構造体が得
られる。また、弁ガイド盤と弁座は必ずしも別体でなく
ても、一体に成形しても良い。内容物が通気孔から外部
に脱出するおそれのないようなものであれば、必ずしも
フィルタを設けなくても良い。さらに、本発明の弁構造
体は固形物が収納された袋の脱気ばかりでなく、前記フ
ィルタを空気を通して水分を通さない膜を適用すれば、
液体入り袋の脱気も可能である。袋内に空気やその他の
ガスを導入して袋を膨らませた状態で密閉する給気包装
袋の場合は、弁体を弁ガイド孔に上記の実施例とは逆に
粗面を下にして遊嵌すれば良いので、詳細な実施例は省
略する。In the embodiment of FIG. 11, the filter 60 is adhered to the back surface of the reinforcing sheet 61, which corresponds to the rough surface in the embodiment of FIG. The filter has a hardness that can maintain an airflow passage communicating with the peripheral surface of the valve body 62 even if the valve body 62 comes into close contact with the filter due to suction, and is formed so as not to hinder suction. The valve seat 63 has a cylindrical portion 64 that projects into the valve guide hole 65, and is formed integrally with the valve body guide disc 66. The valve body 62 is cap-shaped so as to be externally fitted to the cylindrical portion 64 to prevent the valve body from being eccentric. Although various embodiments of the valve structure of the present invention have been described above, the present invention is not limited to these embodiments.
For example, if the partial configuration disclosed in each of the above-described embodiments is adopted in another embodiment, a valve structure having a shape different from that of the above-mentioned embodiments can be obtained. Further, the valve guide plate and the valve seat may not necessarily be separate bodies but may be integrally molded. The filter does not necessarily have to be provided as long as the contents are not likely to escape from the ventilation hole to the outside. Further, the valve structure of the present invention not only deaerates the bag in which the solid matter is stored, but applies a membrane that allows air to pass through the filter,
It is also possible to degas the liquid bag. In the case of an air-supply packaging bag in which air or other gas is introduced into the bag and the bag is inflated and hermetically sealed, the valve element is used as a valve guide hole, and the rough surface is turned down, contrary to the above embodiment. Since detailed description will be omitted, detailed description will be omitted.
【００１８】次に、上記の弁構造体を適用する脱気包装
袋の実施例を図１２〜図１５により説明する。図１２が
脱気包装袋７０の正面図を示し、その表壁７２及び裏壁
７３は、例えば塩化ビニール樹脂、ビニロン、ポリエチ
レン、ポリプロピレン等の各種軟質プラスチックフイル
ム、又はこれらのフイルム同士或いは金属箔と積層した
ラミネートフイルム等からなる空気不透過性で、且つ少
なくとも裏面が熱接着性を有するフイルムで形成されて
いる。表壁７２又は裏壁７３の何れか一方（本実施例で
は、表壁）の適所に脱気口となる孔を形成し、その位置
の内側に前記実施例に示した弁構造体７４を接着して取
り付ける。そして、表壁７２と裏壁７３とを重ね、開口
部となる一辺を残して三辺をヒートシールして密着させ
て、袋を形成する。７５、７５は袋の開口部を開閉自在
に密封するために、袋開口部内面に接着された密封テー
プであり、熱接着性テープ基材の上面に非粘着性圧着自
己融着層を形成した非粘着性圧着自己融着フイルムで形
成されている。非粘着性圧着自己融着フイルムは、自己
融着面がゴムラテックスと水溶性接着剤との混合物で形
成され、同じフイルム同士しか接着しない性質を有する
フィルムであり、自己融着層面を合わせて圧力を加える
ことによって容易に接着するが、他の物質とは接着しな
い。従って、被包装物が羽毛や綿等で有っても充填時に
接着面に付着することがなく、接着面が常に平滑に保た
れ完全な密封状態が保たれる。そして、単に指で圧力を
加えるのみで接着するから、加熱装置等の特別のシーラ
ーは必要でなく、手軽にシールすることができる。ま
た、袋の開口に際しては、その接着力に抗して両壁を引
っ張っれば容易に開口することができ、繰り返し使用が
できる。Next, an embodiment of a deaeration packaging bag to which the above valve structure is applied will be described with reference to FIGS. FIG. 12 shows a front view of the deaeration packaging bag 70, and its front wall 72 and back wall 73 are made of various soft plastic films such as vinyl chloride resin, vinylon, polyethylene, polypropylene, etc., or these films or metal foils. An air-impermeable film made of laminated laminate films and the like, and at least the back surface thereof is formed of a heat-adhesive film. A hole serving as a deaeration port is formed at an appropriate position on either the front wall 72 or the back wall 73 (the front wall in this embodiment), and the valve structure 74 shown in the above embodiment is bonded to the inside of that position. Then install. Then, the front wall 72 and the back wall 73 are overlapped with each other, and one side to be an opening is left, and the three sides are heat-sealed and brought into close contact with each other to form a bag. 75 and 75 are sealing tapes adhered to the inner surface of the bag opening in order to seal the opening of the bag in an openable and closable manner. A non-adhesive pressure-sensitive self-bonding layer was formed on the upper surface of the heat-adhesive tape base material. It is formed of a non-adhesive pressure-sensitive self-fusing film. A non-adhesive pressure-sensitive self-bonding film is a film whose self-bonding surface is formed of a mixture of rubber latex and a water-soluble adhesive, and has the property of bonding only the same film together. Easily adheres by adding, but does not adhere to other substances. Therefore, even if the object to be packaged is feathers, cotton or the like, it does not adhere to the adhesive surface during filling, and the adhesive surface is always kept smooth and a perfect sealed state is maintained. Further, since the bonding is performed by simply applying pressure with a finger, a special sealer such as a heating device is not required and the sealing can be easily performed. Further, when the bag is opened, it can be easily opened by pulling both walls against the adhesive force and can be repeatedly used.
【００１９】７６は密封テープ７５、７５を袋の表壁及
び裏壁内面に接着するための接着層であり、ヒートシー
ルフイルム又は両面接着テープ或いは直接接着剤による
等適当の手段が採用できる。７７は袋開口部の両端部を
強力に接着して、密封テープを強固に固定すると共に袋
開口端を補強するために設けられたスポットシール部で
ある。スポットシール部７７は袋側縁に連なる部分を、
図１２に示すように半円状又は半楕円状に前記密封テー
プ及び接着層を切り取り、表壁内面と裏壁内面が直接接
着できるようにして、該部分をヒートシールすることに
よって、表壁と裏壁の直接接着して強固に一体化され
る。それにより、袋口の側縁部が補強されると共に、端
部からの空気漏れを防ぐことができる。なお、スポット
シール部の形は、本実施例のものに限らず、図１３
（Ａ）、（Ｂ）に示すスポットシール部８０、８１のよ
うに三角形状又は長方形状等適宜の形が採用できる。以
上のように、本発明によれば、袋開口部及び脱気弁の封
止密封性が高い脱気包装袋が得られ、長期にわたって脱
気包装状態を得ることができる。しかしながら、もし袋
壁にピンホール等が発生して袋内の脱気状態が破れて、
被包装物が元の状態に復元して膨脹する事故が発生する
ことがある。それを防ぐための本発明に係る復元防止具
の実施例を図１６及び図１７により説明する。Reference numeral 76 denotes an adhesive layer for adhering the sealing tapes 75, 75 to the inner surfaces of the front wall and the back wall of the bag, and a suitable means such as a heat seal film, a double-sided adhesive tape or a direct adhesive can be adopted. Reference numeral 77 denotes a spot seal portion provided for strongly adhering both ends of the bag opening to firmly fix the sealing tape and to reinforce the bag opening end. The spot seal portion 77 has a portion continuous with the side edge of the bag,
As shown in FIG. 12, the sealing tape and the adhesive layer are cut into a semicircular shape or a semielliptical shape so that the inner surface of the front wall and the inner surface of the back wall can be directly adhered to each other, and the portion is heat-sealed. The back wall is directly bonded and firmly integrated. Thereby, the side edge portion of the bag mouth is reinforced, and air leakage from the end portion can be prevented. The shape of the spot seal portion is not limited to that of this embodiment, and the shape of FIG.
An appropriate shape such as a triangular shape or a rectangular shape can be adopted like the spot seal portions 80 and 81 shown in (A) and (B). As described above, according to the present invention, it is possible to obtain a deaeration packaging bag in which the bag opening portion and the deaeration valve are highly sealed and sealed, and a deaerated packaging state can be obtained for a long period of time. However, if a pinhole or the like is generated on the wall of the bag and the degassing state inside the bag is broken,
An accident may occur in which the packaged item returns to its original state and expands. An embodiment of a restoration preventive tool according to the present invention for preventing this will be described with reference to FIGS. 16 and 17.
【００２０】本実施例の復元防止具９０は、予め圧縮さ
れた状態の容積に合わせて製作したチューブ状のプラス
チックフイルム９１の片面又は両面の一部又は全面に、
ポンチングにより楕円又は円形の穴９２を形成し、その
両端又は片方を開放してなる。該プラスチックフイルム
は、ポリエチレン、ポリプロピレン、又はラミネート積
層フイルム等適宜のものから形成できる。プラスチック
フイルムに円又は楕円径穴を設けることによって、袋に
伸縮性が生じ、圧縮袋の容積がある一定量の範囲内で変
化しても対応できるようになる。穴の差、円又は楕円の
形状とその方向、穴の数等を変更することで、伸縮性の
強弱・結束力等の対応力に変化を与えることができる。
被包装物を圧縮包装した袋に、図１８に示すようにして
復元防止具９０を被せて、包装袋の周囲を拘束しておく
ことによって、万一脱気包装袋の脱気状態が破れて外部
より袋内に空気が流入して、被包装物が復元しようとし
ても丁度ネットによって結束されていると同様な状態と
なり、復元防止具を構成しているプラスチックフイルム
が伸る範囲以上には膨らむことができず、圧縮包装状態
が維持される。従って、従来の圧縮包装の最大の欠点で
あったピンホール等による圧縮包装の破壊を解除でき
る。なお、復元防止具は、上記実施例のものに限らず、
例えば、合成樹脂でエキスパンリングメタル状に伸縮性
のあるネット袋を成形して、それを採用しても良い。The anti-restoration tool 90 of the present embodiment has a tubular plastic film 91 manufactured according to the volume in a pre-compressed state on one side or both sides of a part or the whole surface.
An oval or circular hole 92 is formed by punching, and both ends or one side of the hole 92 is opened. The plastic film can be formed from polyethylene, polypropylene, a laminated laminated film or the like. By providing the plastic film with a hole having a circular or elliptical diameter, the bag is made elastic, and it becomes possible to cope even if the volume of the compression bag changes within a certain fixed range. By changing the difference between the holes, the shape of the circle or ellipse and its direction, the number of holes, and the like, it is possible to change the corresponding force such as the strength and weakness of elasticity and the binding force.
As shown in FIG. 18, the bag in which the packaged object is compressed and packed is covered with the anti-restoration tool 90 to constrain the periphery of the packaging bag, so that the degassed state of the degassing packaging bag is broken. Air flows into the bag from the outside, and even if the packaged object tries to recover, it will be in the same state as if it was tied with the net, and the plastic film that constitutes the recovery prevention tool will expand beyond the range Therefore, the compressed packaging state is maintained. Therefore, it is possible to cancel the breakage of the compressed package due to the pinhole or the like, which is the greatest drawback of the conventional compressed package. The anti-restoration tool is not limited to the one in the above embodiment,
For example, a stretchable net bag made of synthetic resin may be used in the form of an expanding metal.
【００２１】[0021]
【発明の効果】本発明は、以上のような構成からなり、
次のような格別の効果を奏するものである。脱気又は給
気包装袋の開口部に非粘着性自己融着接着剤層を有する
密着テープを設けてあるので、充填物の出し入れに際し
て充填物やごみが付着せず、優れたシールド性を有し、
且つ単に指で圧力を加えるのみで接着し開閉が容易であ
り、長期にわたる繰返使用が可能である。また、袋口の
端部は、包装袋の壁同志が直接接着するスポットシール
部を設けたことによって、袋口の補強と密封テープの両
端部を上下から袋の壁フイルムが溶着することにより、
強固に固定すると共にその端部からの空気の漏れを防止
し、袋の密封性と耐久性が優れている。簡単な吸引器、
例えば家庭用電気掃除機等で簡単に袋内を脱気すること
ができ、手軽に脱気包装ができる。従って、例えば家庭
内でふとん等を該袋に入れて収納することにより、従来
の１／３以下のスペースに収納することができる。高価
な金型を使用せず、シートを打ち抜きだけで安価に製造
でき、しかも少量多品種にも容易に対応できる。プラス
チックシート等の柔軟性を有する材料で形成でき、しか
も薄く形成できるので、包装袋の壁フイルムを損傷させ
ることがない。逆止弁機能を有する弁体を備えているの
で、脱気後弁孔が自動的に封鎖され、より完全に脱気状
態を維持することができる。フィルタを有するので、羽
毛や粉状体等の充填物であっても、効果的に脱気でき
る。フィルタの下面にカバーシートを貼着することによ
って、均一に吸引できる。弁体は磁力又は弾性体の復元
力によって、弁座に付勢されているので、弁体が濫りに
動く事が無く、長期間脱気状態を維持できる。また、給
気包装袋の弁構造体は、給気してその状態で自動的に給
気口が閉じられるので、内部の空気を洩らすことなく簡
単に給気包装ができる。脱気包装復元防止体は、脱気包
装した状態での物品の容積の違いにも対応でき、脱気包
装体の外周面に常にフィットした状態を維持し、脱気状
態が破れて被包装物が膨張して元の形に復元しようとし
ても、ネットで拘束したと同様に確実に復元を阻止する
ことができる。そして、製造が簡単で安価に製作するこ
とができる。The present invention is constituted as described above,
It has the following special effects. Adhesive tape with a non-adhesive self-fusing adhesive layer is provided at the opening of the degassing or air-supply packaging bag, so that when loading and unloading the packing material, no packing material or dust adheres and it has excellent shielding properties. Then
In addition, it can be easily opened and closed by simply applying pressure with a finger, and can be repeatedly used for a long time. In addition, the end of the bag mouth is provided with a spot seal part where the walls of the packaging bag directly adhere to each other, so that the bag wall film is welded from above and below by reinforcing both ends of the bag mouth and the sealing tape.
It firmly fixes and prevents air from leaking from its end, and has excellent bag sealing and durability. Simple aspirator,
For example, the inside of the bag can be easily deaerated with a household electric vacuum cleaner or the like, and deaeration packaging can be easily performed. Therefore, for example, by storing a futon or the like in the bag at home, it can be stored in a space of 1/3 or less of the conventional space. It can be manufactured inexpensively by punching out the sheet without using an expensive mold, and can easily handle a large number of products in small quantities. Since it can be formed of a flexible material such as a plastic sheet and can be formed thin, the wall film of the packaging bag is not damaged. Since the valve body having the check valve function is provided, the valve hole is automatically closed after degassing, and the degassing state can be more completely maintained. Since it has a filter, it is possible to effectively deaerate even fillings such as feathers and powders. By attaching a cover sheet to the lower surface of the filter, it is possible to suction uniformly. Since the valve body is biased to the valve seat by the magnetic force or the restoring force of the elastic body, the valve body does not move unnecessarily and the degassing state can be maintained for a long time. Further, since the valve structure of the air supply bag is supplied with air and the air supply port is automatically closed in that state, air supply can be easily performed without leaking air inside. The degassing package restoration preventive body can cope with the difference in volume of the articles in the degassed packaging state, always keep the state fitted to the outer peripheral surface of the degassing packaging body, and the degassing state is torn to break the packaged object. Even if swells and tries to restore its original shape, it can be surely prevented from being restored, as if it were restrained by a net. And it is easy to manufacture and can be manufactured at low cost.
【図１】本発明の実施例にかかる弁構造体の側断面図で
ある。FIG. 1 is a side sectional view of a valve structure according to an embodiment of the present invention.
【図２】その斜視図である。FIG. 2 is a perspective view thereof.
【図３】その分解図である。FIG. 3 is an exploded view thereof.
【図４】他の実施例の弁構造体の側断面図である。FIG. 4 is a side sectional view of a valve structure according to another embodiment.
【図５】弁体の各実施例の斜視図である。FIG. 5 is a perspective view of each embodiment of the valve body.
【図６】他の実施例の弁構造体の側断面図である。FIG. 6 is a side sectional view of a valve structure according to another embodiment.
【図７】他の実施例の弁構造体の側断面図である。FIG. 7 is a side sectional view of a valve structure according to another embodiment.
【図８】他の実施例の弁構造体の側断面図である。FIG. 8 is a side sectional view of a valve structure according to another embodiment.
【図９】他の実施例の弁構造体の側断面図である。FIG. 9 is a side sectional view of a valve structure according to another embodiment.
【図１０】他の実施例の弁構造体の側断面図である。FIG. 10 is a side sectional view of a valve structure according to another embodiment.
【図１１】他の実施例の弁構造体の側断面図である。FIG. 11 is a side sectional view of a valve structure according to another embodiment.
【図１２】本発明の実施例に係る脱気包装袋の正面図で
ある。FIG. 12 is a front view of a degassing packaging bag according to an embodiment of the present invention.
【図１３】他の実施例のスポットシール部の正面図であ
る。FIG. 13 is a front view of a spot seal portion of another embodiment.
【図１４】図１２のＡ−Ａ断面図である。14 is a cross-sectional view taken along the line AA of FIG.
【図１５】図１２のＢ−Ｂ断面図である。15 is a sectional view taken along line BB of FIG.
【図１６】本発明の実施例に係る脱気包装袋の概略図で
ある。FIG. 16 is a schematic view of a deaeration packaging bag according to an example of the present invention.
【図１７】脱気包装体を収納した状態での脱気包装袋の
概略図である。FIG. 17 is a schematic view of a deaeration packaging bag in which a deaeration package is stored.
１ 壁フイルム ２ 脱気口 ６、３０、５０、６６ 弁体ガイド盤 ８、３、４０、４６、６３ 弁座 １０、２１ フィルタ １２、２７ カバーシート １３、３１、６５ 弁ガイド孔 １７、２２、４１、５０、５７、６２ 弁体 ７０ 脱気包装袋 ７５ 密封テープ ７７、８０、８１ スポットシール部 ９０ 復元防止具 ９２ 穴 1 Wall Film 2 Degassing Port 6, 30, 50, 66 Valve Body Guide Plate 8, 3, 40, 46, 63 Valve Seat 10, 21 Filter 12, 27 Cover Sheet 13, 31, 65 Valve Guide Hole 17, 22, 41, 50, 57, 62 Valve body 70 Deaeration packaging bag 75 Sealing tape 77, 80, 81 Spot seal part 90 Restoration prevention tool 92 hole
Claims (13)
口開口部を残して周縁部が閉塞されて袋本体の開口部の
表壁及び裏壁内面に、非粘着性自己融着型接着層を有す
る密封テープが接着され、且つ袋口の両端部に位置する
該密封テープの一部を切断して、該切断部を介して前記
袋体の表壁と裏壁を直接ヒートシールしてスポットシー
ル部を形成し、袋本体の表壁又は裏壁の何れかに脱気又
は給気口を形成して脱気弁又は給気弁を取付けたことを
特徴とする脱気又は給気包装袋。1. A non-adhesive self-fusing type formed of an air-impermeable flexible material, the peripheral portion of which is closed except for the bag mouth opening, and which is attached to the inner surface of the front wall and back wall of the opening of the bag body. A sealing tape having an adhesive layer is adhered, and a part of the sealing tape located at both ends of the bag mouth is cut, and the front wall and the back wall of the bag body are directly heat-sealed through the cutting portion. Deaeration or air supply characterized in that a deaeration or air supply port is formed on either the front wall or the back wall of the bag body to attach a deaeration valve or air supply valve. Packaging bag.
気包装袋の脱気用の弁構造体であって、包装袋の壁フイ
ルムに形成された脱気口の周りに接着され、該脱気口よ
り径大な弁ガイド孔を有し空気不透過性材料で形成され
た弁体ガイド盤、該弁体ガイド盤の弁ガイド孔に遊嵌さ
れ下面が密着性を有する弁体、前記弁体ガイド盤の下面
に設けられ前記弁ガイド孔より径小の弁孔が形成された
空気不透過性材料で形成された弁座からなることを特徴
とする脱気包装袋の弁構造体。2. A valve structure for deaeration of a deaeration packaging bag formed of an air-impermeable flexible material, the valve structure being adhered around a deaeration port formed on a wall film of the packaging bag, A valve body guide disk formed of an air impermeable material having a valve guide hole larger in diameter than the deaeration port, a valve body loosely fitted in the valve guide hole of the valve body guide board and having a lower surface adherent to the valve body; A valve structure for a deaeration packaging bag, comprising a valve seat made of an air impermeable material, which is provided on a lower surface of the valve body guide panel and has a valve hole smaller in diameter than the valve guide hole. ..
いる請求項２の脱気包装袋の弁構造体。3. The valve structure for a deaeration packaging bag according to claim 2, wherein a filter is bonded to the lower surface of the valve seat.
の壁フイルムの外方に接着され、前記フィルタが壁フイ
ルムの内方に接着されている請求項３の脱気包装袋の弁
構造体。4. The deaeration packaging bag according to claim 3, wherein the valve guide plate and the valve seat are adhered to the outside of the wall film of the deaeration packaging bag, and the filter is adhered to the inside of the wall film. Valve structure.
うに付勢されている請求項２、３又は４の脱気包装袋の
弁構造体。5. The valve structure for a deaeration packaging bag according to claim 2, 3 or 4, wherein the valve body is biased by a magnetic force so as to come into close contact with the valve seat.
と一致する孔が形成された補強シートが設けられている
請求項２、３、４又は５の脱気包装袋の弁構造体。6. The valve of the deaeration packaging bag according to claim 2, 3, 4 or 5, wherein a reinforcing sheet having a hole corresponding to a deaeration port of the bag body is provided on an upper surface of the valve body guide panel. Structure.
項２〜６いずれかの脱気包装袋の弁構造体。7. The valve structure for a degassing packaging bag according to claim 2, wherein the upper surface of the valve body is a rough surface.
が粗面になっている請求項６の脱気包装弁構造体。8. The degassing package valve structure according to claim 6, wherein the side of the reinforcing sheet facing the valve guide hole is a rough surface.
するように通気性の弾性体を設けた請求項２〜８何れか
の脱気包装袋構造体。9. The deaeration packaging bag structure according to claim 2, wherein a breathable elastic body is provided in the valve guide hole so as to be located above the valve body.
部を有し、前記弁体がキャップ状に形成されている請求
項２〜９の何れかの脱気包装袋の弁構造体。10. The valve structure for a deaeration packaging bag according to claim 2, wherein the valve seat has a cylindrical portion protruding from around the valve hole, and the valve body is formed in a cap shape.
をを設けたた請求項２〜１０の何れかの弁構造体。11. The valve structure according to claim 2, further comprising a filter that covers an inner side of a peripheral wall of the deaeration port.
の弁構造体であって、包装袋の壁フイルムに形成される
給気口より径大な弁ガイド孔を有する空気不透過性材料
で形成された弁体ガイド盤、該弁体ガイド盤の弁ガイド
孔に遊嵌された上面が密着性を有する弁体、前記弁体ガ
イド盤の上面に設けられ前記弁ガイド孔より径小の弁孔
が形成された空気不透過性材料で形成された弁座からな
ることを特徴とする給気包装袋の弁構造体。12. A valve structure for air supply provided in an air supply opening of an air supply packaging bag, the air having a valve guide hole larger in diameter than the air supply opening formed in a wall film of the packaging bag. A valve body guide plate formed of an impermeable material, a valve body having an upper surface loosely fitted in a valve guide hole of the valve body guide plate and having adhesiveness, the valve guide hole provided on the upper surface of the valve body guide plate A valve structure for an air-supply packaging bag, comprising a valve seat made of an air-impermeable material having a smaller diameter valve hole.
成し、該チューブ体の全面又は一部に円又は楕円状の孔
を形成したことを特徴とする脱気包装袋保護体。13. A degassing packaging bag protector characterized in that a tube body is formed from a plastic sheet, and a circular or elliptical hole is formed on the entire surface or a part of the tube body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01686191A JP3193730B2 (en) | 1990-09-07 | 1991-01-18 | Valve structure and restoration prevention body of deaerated packaging bag |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2-235798 | 1990-09-07 | ||
| JP23579890 | 1990-09-07 | ||
| JP01686191A JP3193730B2 (en) | 1990-09-07 | 1991-01-18 | Valve structure and restoration prevention body of deaerated packaging bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05124656A true JPH05124656A (en) | 1993-05-21 |
| JP3193730B2 JP3193730B2 (en) | 2001-07-30 |
Family
ID=26353301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP01686191A Expired - Fee Related JP3193730B2 (en) | 1990-09-07 | 1991-01-18 | Valve structure and restoration prevention body of deaerated packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3193730B2 (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5354133A (en) * | 1991-06-18 | 1994-10-11 | Gino Rapparini | Relief valve |
| JPH08230895A (en) * | 1995-02-28 | 1996-09-10 | Shuichi Higuchi | Grain storing bag |
| WO2005007524A1 (en) * | 2003-07-16 | 2005-01-27 | Ad Japan Corporation | Valve gear |
| JP2006098162A (en) * | 2004-09-29 | 2006-04-13 | Nippon Spindle Mfg Co Ltd | Test method for evaluating filter fabric in filter type dust collector |
| JP2006176212A (en) * | 2004-12-20 | 2006-07-06 | Robert Bosch Gmbh | Pressure relief valve for packaging container |
| JP2006517896A (en) * | 2003-02-14 | 2006-08-03 | イーストマン ケミカル カンパニー | Bale and method and apparatus for forming the same |
| US7137738B2 (en) * | 2002-06-28 | 2006-11-21 | S.C. Johnson Home Storage, Inc. | Recloseable storage bag with porous evacuation portal |
| US7251912B2 (en) * | 2005-06-16 | 2007-08-07 | Mcgough Charles Brownell | Biodegradable device for irrigating seedlings and other small plants |
| JP2007276863A (en) * | 2006-04-11 | 2007-10-25 | Ucc Ueshima Coffee Co Ltd | Packaging bag with check valve, and check valve for use in it |
| JP2008018325A (en) * | 2006-07-12 | 2008-01-31 | Ohbayashi Corp | Waste asbestos treatment method and volume reducing apparatus therefor |
| US7387440B2 (en) * | 2002-02-04 | 2008-06-17 | Man Chiu Li | Vacuum storage bag |
| US7765777B2 (en) * | 2005-09-12 | 2010-08-03 | Waldron Joseph M | Devices for introducing air into, or removing air from, containers |
| KR101004262B1 (en) * | 2009-03-26 | 2011-01-03 | (주) 보성인더스트리 | Laminated film type one-way valve |
| JP2014122579A (en) * | 2012-12-20 | 2014-07-03 | Orient:Kk | Electrically-driven air pump for pressure reduction storage bag |
| JP2017145028A (en) * | 2016-02-17 | 2017-08-24 | 株式会社フジシール | Package containing granular material and packaging bag for granular material |
| KR20180096344A (en) * | 2017-02-21 | 2018-08-29 | 주식회사 싱싱캔 | Pouch for packaging fermented food |
| JP2018144889A (en) * | 2017-11-22 | 2018-09-20 | 住友ベークライト株式会社 | Food packaging bag and food packaging body |
| TWI649238B (en) * | 2018-02-05 | 2019-02-01 | 川本國際包裝有限公司 | Packing bag fresh-keeping exhaust valve structure |
| US20190193896A1 (en) * | 2017-10-24 | 2019-06-27 | Emmerson Packaging | Patch Vent for Flexible Packaging Bags |
| CN113316547A (en) * | 2018-09-28 | 2021-08-27 | 布瑞威利美国公司 | Vacuum cryogenic bag, assembly, system and method |
-
1991
- 1991-01-18 JP JP01686191A patent/JP3193730B2/en not_active Expired - Fee Related
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5354133A (en) * | 1991-06-18 | 1994-10-11 | Gino Rapparini | Relief valve |
| JPH08230895A (en) * | 1995-02-28 | 1996-09-10 | Shuichi Higuchi | Grain storing bag |
| US7387440B2 (en) * | 2002-02-04 | 2008-06-17 | Man Chiu Li | Vacuum storage bag |
| US7137738B2 (en) * | 2002-06-28 | 2006-11-21 | S.C. Johnson Home Storage, Inc. | Recloseable storage bag with porous evacuation portal |
| US9598184B2 (en) | 2003-02-14 | 2017-03-21 | Eastman Chemical Company | Method for packaging fiber material |
| JP2012236652A (en) * | 2003-02-14 | 2012-12-06 | Eastman Chemical Co | Method for baling fiber material |
| JP2011084343A (en) * | 2003-02-14 | 2011-04-28 | Eastman Chemical Co | Method of packaging elastic fiber |
| JP2006517896A (en) * | 2003-02-14 | 2006-08-03 | イーストマン ケミカル カンパニー | Bale and method and apparatus for forming the same |
| JP2009161254A (en) * | 2003-02-14 | 2009-07-23 | Eastman Chem Co | Fiber bale and packaging methods for resilient fiber |
| US7789563B2 (en) | 2003-07-16 | 2010-09-07 | Ad Japan Corporation | Valve gear |
| KR100784320B1 (en) * | 2003-07-16 | 2007-12-13 | 유겐가이샤 에이디쟈판 | Valve equipment |
| WO2005007524A1 (en) * | 2003-07-16 | 2005-01-27 | Ad Japan Corporation | Valve gear |
| JP2006098162A (en) * | 2004-09-29 | 2006-04-13 | Nippon Spindle Mfg Co Ltd | Test method for evaluating filter fabric in filter type dust collector |
| JP2006176212A (en) * | 2004-12-20 | 2006-07-06 | Robert Bosch Gmbh | Pressure relief valve for packaging container |
| US7251912B2 (en) * | 2005-06-16 | 2007-08-07 | Mcgough Charles Brownell | Biodegradable device for irrigating seedlings and other small plants |
| US20110290816A1 (en) * | 2005-09-12 | 2011-12-01 | Waldron Joseph M | Devices and method for introducing air into, or removing air from, containers |
| US7895815B2 (en) | 2005-09-12 | 2011-03-01 | Waldron Joseph M | Devices for introducing air into, or removing air from, containers |
| US7765777B2 (en) * | 2005-09-12 | 2010-08-03 | Waldron Joseph M | Devices for introducing air into, or removing air from, containers |
| JP2007276863A (en) * | 2006-04-11 | 2007-10-25 | Ucc Ueshima Coffee Co Ltd | Packaging bag with check valve, and check valve for use in it |
| JP2008018325A (en) * | 2006-07-12 | 2008-01-31 | Ohbayashi Corp | Waste asbestos treatment method and volume reducing apparatus therefor |
| KR101004262B1 (en) * | 2009-03-26 | 2011-01-03 | (주) 보성인더스트리 | Laminated film type one-way valve |
| JP2014122579A (en) * | 2012-12-20 | 2014-07-03 | Orient:Kk | Electrically-driven air pump for pressure reduction storage bag |
| JP2017145028A (en) * | 2016-02-17 | 2017-08-24 | 株式会社フジシール | Package containing granular material and packaging bag for granular material |
| KR20180096344A (en) * | 2017-02-21 | 2018-08-29 | 주식회사 싱싱캔 | Pouch for packaging fermented food |
| US20190193896A1 (en) * | 2017-10-24 | 2019-06-27 | Emmerson Packaging | Patch Vent for Flexible Packaging Bags |
| US11104485B2 (en) * | 2017-10-24 | 2021-08-31 | Epc Industries Limited | Patch vent for flexible packaging bags |
| JP2018144889A (en) * | 2017-11-22 | 2018-09-20 | 住友ベークライト株式会社 | Food packaging bag and food packaging body |
| TWI649238B (en) * | 2018-02-05 | 2019-02-01 | 川本國際包裝有限公司 | Packing bag fresh-keeping exhaust valve structure |
| CN113316547A (en) * | 2018-09-28 | 2021-08-27 | 布瑞威利美国公司 | Vacuum cryogenic bag, assembly, system and method |
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| Publication number | Publication date |
|---|---|
| JP3193730B2 (en) | 2001-07-30 |
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