JPS62158626A - Gas replacing packaging method - Google Patents
Gas replacing packaging methodInfo
- Publication number
- JPS62158626A JPS62158626A JP29012185A JP29012185A JPS62158626A JP S62158626 A JPS62158626 A JP S62158626A JP 29012185 A JP29012185 A JP 29012185A JP 29012185 A JP29012185 A JP 29012185A JP S62158626 A JPS62158626 A JP S62158626A
- Authority
- JP
- Japan
- Prior art keywords
- inert gas
- packaging
- contents
- liquefied
- gas
- 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.)
- Pending
Links
Landscapes
- Vacuum Packaging (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は通気性の少ないビニール袋やポリエチレン袋等
の炊包装体内の空気を窒素やアルゴン等の不活性ガスに
置換する軟包装体内のガス置換方法に関するものである
。[Detailed Description of the Invention] Industrial Field of Application The present invention relates to a method for replacing gas inside a flexible packaging by replacing the air inside the cooking packaging such as a plastic bag or polyethylene bag with low air permeability with an inert gas such as nitrogen or argon. It is related to.
従来の技術
近年、缶詰に代イつって、通気性の少ないビニール袋や
ポリエチレン袋によって密封された各種の食品等が広く
市場に出回わっている。ビニール袋やポリエチレンでガ
ス透過性の低いアルミフィルム等をラミネートシた袋等
の軟包装体は安価で、しかも密封性（気密性）に優れて
いて、缶詰や瓶詰の場合と同等に食品等の内容物を密封
し、外気から遮断保護して内容物の酸化による劣化や変
質或は腐敗を防止することができるからである。BACKGROUND OF THE INVENTION In recent years, in place of canned foods, various foods sealed in plastic bags or polyethylene bags with low air permeability have been widely available on the market. Flexible packaging such as plastic bags and polyethylene bags laminated with aluminum film, etc., which has low gas permeability, are inexpensive and have excellent sealing properties (airtightness), so they can be used to store food items as well as canned or bottled items. This is because the contents can be sealed and protected from the outside air to prevent deterioration, deterioration, or putrefaction of the contents due to oxidation.
ところで内容物の酸化は外気のみでなく、袋やポリエチ
レン袋等を主体として形成された軟包装体内に封入され
た空気によっても起こる。従って軟包装体内に収容され
た内容物の酸化を、より確実に防止するためには、炊包
装体内の空気を除去オろ必要がある。そして軟包装体内
の空気を除去して品物を包装する方法は一般に、真空包
装方法とガス置換包装方法の二種類に大別される。そし
て１１１記真空包装方法は、炊包装体に内容物を充填（
収容）し、これを真空槽内に入れ、該真空槽を密封して
脱気し、この状態で軟包装体の開口部をヒートシールし
て、しかるのら真空槽の真空を岐って密封した軟包装体
を取出すようにしたしのであろ。またガス置換包装方法
は、軟包装体内に窒素や炭酸ガス等の不゛活性ガスを注
入し、該不活性ガスと軟包装体内の空気を置換するもの
であり、このガス置換包装方法には軟包装体内を脱気し
て、真空にしたのちに窒素等の不活性ガスを送り込む方
法と、軟包装体内を脱気仕ず、直接、不活性ガスを送り
込んで、該ガスにより軟包装体内の空気を追い出す方法
とに類別される。By the way, oxidation of the contents occurs not only by the outside air but also by the air enclosed in a flexible package mainly formed of a bag, a polyethylene bag, or the like. Therefore, in order to more reliably prevent oxidation of the contents contained within the soft packaging, it is necessary to remove the air inside the soft packaging. Methods for packaging goods by removing air from the soft packaging are generally divided into two types: vacuum packaging methods and gas displacement packaging methods. In the vacuum packaging method No. 111, the contents are filled into the cooking package (
This is then placed in a vacuum chamber, the vacuum chamber is sealed and degassed, the opening of the flexible package is heat sealed in this state, and then the vacuum of the vacuum chamber is removed and the package is sealed. I guess I tried to remove the soft packaging. In addition, the gas replacement packaging method involves injecting an inert gas such as nitrogen or carbon dioxide into the flexible packaging, and replacing the air inside the flexible packaging with the inert gas. One method is to evacuate the inside of the package and create a vacuum, and then send an inert gas such as nitrogen into the soft package. It is classified into methods of expelling.
発明が解決しようとする問題点
ところで前記真空包装方法は、バキュームポンプや真空
槽を必要とし、実施のための設備が大樹りになるという
問題点がある。またガス置換包装方法においてら、予め
脱気をして、不活性ガスを送り込む場合にはバキューム
ポンプや真空槽が必要になるという問題点があり、また
脱気しないで不活性ガスを送り込む場合には、次にのべ
るような問題点があった。Problems to be Solved by the Invention However, the vacuum packaging method requires a vacuum pump and a vacuum chamber, and there is a problem in that it requires a large amount of equipment for implementation. In addition, in the gas exchange packaging method, there is a problem that a vacuum pump or vacuum chamber is required if inert gas is delivered after degassing in advance, and if inert gas is delivered without degassing. had the following problems.
（１）内容物が微粉体や比重の軽いものの場合には不活
性ガスを送り込む際の風圧で内容物が飛散してシール部
への噛み込み等が起る。(1) If the contents are fine powder or have a low specific gravity, the wind pressure when feeding the inert gas may scatter the contents and cause them to get caught in the seal.
（２）軟包装体を製造しつつ（軟包装体の製造途中で）
、不活性ガスを送り込むことができない。(2) While manufacturing the flexible packaging (in the middle of manufacturing the flexible packaging)
, it is not possible to pump inert gas.
製造途中の軟包装体に不活性ガスを送り込んでら、該ガ
スはすぐに製造途中の軟包装体から抜けてしまうからで
ある。This is because if an inert gas is fed into a soft package that is in the process of being manufactured, the gas will immediately escape from the soft package that is being manufactured.
本発明は上記従来の問題点を解決することを目的として
為されたものである。The present invention has been made for the purpose of solving the above-mentioned conventional problems.
問題点を解決するための手段
窒素やアルゴン等の不活性ガスを液化して、液化状態の
下で密封能の軟包装体内に滴下し、該軟包装体内で液化
不活性ガスを気化さけることにより、軟包装体内の空気
を不活性ガスに置換して、しかるのち軟包装体内を密封
する構成とした。Means for solving the problem: By liquefying an inert gas such as nitrogen or argon and dropping it into a sealable flexible package under liquefied conditions, the liquefied inert gas is prevented from vaporizing within the flexible package. , the air inside the soft package was replaced with an inert gas, and then the inside of the soft package was sealed.
作用
窒素やアルゴン等の不活性ガスを液化して、液化状態の
下で軟包装体内に注入するので（注入は液化不活性ガス
を滴下させればよい）、ガスの侭の状態で注入する場合
のような風圧を発生させることなく、不活性ガスの注入
ができる。また液化状態の下で軟包装体内に注入し、こ
れを徐々に気化させて、軟包装体内に不活性ガスを充満
させるので、軟包装体の製造途中において、液化不活性
ガスを注入し、該液化不活性ガスを気化させ、該ガスと
空気とを置換させながら軟包装体を完成させていくこと
ができる。Inert gases such as nitrogen and argon are liquefied and injected into the flexible packaging under liquefied conditions (injection can be done by dropping the liquefied inert gas), so when injecting while the gas is still present. Inert gas can be injected without generating wind pressure. In addition, the liquefied inert gas is injected into the flexible packaging in a liquefied state and is gradually vaporized to fill the flexible packaging with inert gas. The flexible packaging can be completed while vaporizing the liquefied inert gas and replacing the gas with air.
実施例
次に本発明のガス置換包装方法の実施例を図面を参照し
ながら説明する。図面はビニール袋やポリエチレン袋を
主体とする気密性を有する袋状の軟包装体を製造しなが
ら内容物と液化不活性ガスを充填し、該液化不活性ガス
を気化させ、該ガスと空気を置換させながら、内容物を
包装する方法を示す。図において１は公知の横型の製袋
充填機であり、該製袋充填機１は熱溶着性の巻取包装材
料（アルミ箔や紙などとプラスチックフィルムとのラミ
ネートノート）から袋状の軟包装体を製造すると同時に
内容物を充填し、充填口等の開口部をンールすることが
てきるようにしｆ二ものである。EXAMPLE Next, an example of the gas exchange packaging method of the present invention will be described with reference to the drawings. The drawing shows a process in which airtight bag-like flexible packaging, mainly made of plastic bags or polyethylene bags, is manufactured, filled with the contents and liquefied inert gas, and the liquefied inert gas is vaporized to release the gas and air. A method of packaging the contents while replacing them is shown. In the figure, reference numeral 1 denotes a known horizontal bag making and filling machine. This makes it possible to simultaneously manufacture the body, fill it with contents, and close openings such as the filling port.
この製袋充填機１は巻取包装材料２を送り出す主フイル
ムポルグ３および予備フィルムボルダ４と、フィードロ
ーラセットレバ−５と、ガイドローラ６．７と、フォト
アイ８と、フィルムフィードローラ９と、アジャスタブ
ルガイドローラ１ｏと、フォーマ（製袋器）１１と、セ
ンターシーラ（溶着器）１２と、上、下のヂュービイン
グコンベア１３゜１４と、エンドンーラ（溶着器）１５
と、前記フォーマ１１に内容物１６を送り込むチャージ
コンヘア１７とを備えている。そして前記主フィルムホ
ルダ３等から送り出されてきた巻取包装材料２をフォー
マＩＩとセンターシーラ１２で筒状に溶着成形した長尺
の巻取包装材料２内にチャージコンヘア１７で内容物１
６・・１６を一定間隔ごとに順次送り込んで、これら内
容物１６・・・Ｉ６が送り込まれた長尺の筒状の巻取包
装材料２の内容物１６゜１６間を前記エンドシーラ１５
で分離、溶着することにより、製袋と内容物の充填作業
を同時に行うようになっている。This bag making and filling machine 1 includes a main film porug 3 for feeding out the wound packaging material 2, a preliminary film boulder 4, a feed roller set lever 5, a guide roller 6.7, a photo eye 8, a film feed roller 9, Adjustable guide roller 1o, former (bag making device) 11, center sealer (welding device) 12, upper and lower juving conveyors 13° 14, end roller (welding device) 15
and a charge converter 17 that feeds the contents 16 into the former 11. The rolled packaging material 2 sent out from the main film holder 3 etc. is then welded into a cylindrical shape using a former II and a center sealer 12.
6...16 are fed in sequence at regular intervals, and the end sealer 15 passes between the contents 16° 16 of the long cylindrical rolled packaging material 2 into which these contents 16...I6 have been fed.
By separating and welding the bags, bag making and filling can be done at the same time.
そして上記のような製袋充填機１を使用して、製袋と内
容物の充填とを同時に行う場合には、チャージコンヘア
１７の上方に液化不活性ガス滴下装置１８をセットして
おき、該滴下装置１８で所定型の液化不活性ガスを内容
物１６上に滴下して、これをチャージコンベア１７で筒
状の巻取包装材料２内に送り込めば、前記内容物１６上
に滴下された液化不活性ガスは筒状の巻取包装材料２内
で気化して、該包装材料２内の空気を追い出す。つまり
気化した不活性ガスが巻取包装材料２内の空気と置換す
る。そして巻取包装材料２内の空気を不活性ガスと完全
に置換した状聾で前記エンドシーラ１５により巻取包装
材料２を分割、溶着すれば空気に代わって不活性ガスと
内容物１６とが充填された袋状の軟包装体１９が出来る
のである。２０は軟包装体１９を運び出すディスチャー
ジコンベアである。なお液化不活性ガスの滴下憤は、液
化不活性ガスの種類や軟包装体１９の容積、内容物１６
の体積或いは巻取包装材料２の送りスピード等を勘案し
て適宜決定される。図面に示す実施例では横型の製袋充
填機を使用して、製袋の途中において液化不活性ガスを
注入する場合を示したが、必ずしも製袋途中で液化不活
性ガスを注入する必要はなく、製袋作業と内容物および
液化不活性ガスの注入作業とを分離し、予め製袋されて
いる軟包装体に内容物と液化不活性ガスを注入し、該液
化不活性ガスを気化さＵ゛て該ガスて炊包装体内の空気
を追い出してから軟包装体を密封してら良い。また製袋
充填機は模型のものに限らず縦型のらのでも良い。なお
本発明のガス置換包装方法で液化不活性ガスの滴下ｍ（
添加憤）、内容物の唾類、軟包装体の容積等の条件を変
えながら内容物を密封包装して軟包装体内の残存酸木用
を測定した実験値は以下の表に示すような値になった。When the bag making and filling machine 1 as described above is used to perform bag making and filling of contents at the same time, the liquefied inert gas dripping device 18 is set above the charge container 17. When a predetermined type of liquefied inert gas is dripped onto the contents 16 by the dripping device 18 and fed into the cylindrical rolled packaging material 2 by the charge conveyor 17, it is dripped onto the contents 16. The liquefied inert gas is vaporized within the cylindrical rolled packaging material 2, and the air within the packaging material 2 is expelled. That is, the vaporized inert gas replaces the air within the rolled packaging material 2. Then, with the air in the rolled packaging material 2 completely replaced with inert gas, the rolled packaging material 2 is divided and welded by the end sealer 15, so that the inert gas and the contents 16 replace the air. A filled bag-like soft packaging body 19 is produced. 20 is a discharge conveyor that carries out the soft packaging body 19. The amount of liquefied inert gas dropped depends on the type of liquefied inert gas, the volume of the flexible packaging 19, and the contents 16.
It is determined as appropriate by taking into consideration the volume of the material, the feeding speed of the wound packaging material 2, and the like. In the embodiment shown in the drawings, a horizontal bag making and filling machine is used to inject liquefied inert gas during bag making, but it is not necessarily necessary to inject liquefied inert gas during bag making. , the bag-making operation and the injection operation of the contents and liquefied inert gas are separated, the contents and liquefied inert gas are injected into the soft packaging that has been made in advance, and the liquefied inert gas is vaporized. Then, use the gas to expel the air inside the cooking package and then seal the flexible package. Further, the bag making and filling machine is not limited to a model type, and may be a vertical type. In addition, in the gas exchange packaging method of the present invention, dropping of liquefied inert gas m (
The experimental values of the remaining acid in the soft packaging were measured by changing the conditions such as the amount of acid added, the saliva content, the volume of the soft packaging, etc., and the experimental values are as shown in the table below. Became.
実験例１゜
内寸が１１０ｍｍＸ １１０ｍｍの三方ノールタイプの
袋（ＰＴ／ＰＥ／Ａ１２／ＰＥ）に液体窒素を約０．５
９添加後、粉末のグルタミン酸ソーダを５０９充填し、
液体窒素を添加してから約４秒後に密封シールをした。Experimental Example 1 Approximately 0.5 liters of liquid nitrogen was added to a three-way knot type bag (PT/PE/A12/PE) with internal dimensions of 110 mm x 110 mm.
After adding 9, fill 509 with powdered sodium glutamate,
Approximately 4 seconds after adding liquid nitrogen, a hermetically sealed seal was applied.
この時の内部残存空気の酸素濃度を測定したのか実験例
２゜
内寸が１１０ｍｍＸ １１０ｍｍの四方シールタイプの
袋（ＰＴ／ＰＥ／ＡＱ／ＰＥ）に液体窒素を約０．３ｇ
添加後、水を１００ｍ１２充填し、液体窒素添加後約４
秒後に密封シールをした。この時の内部残存空気の酸素
実験例３゜
内寸が１１０ｍｍＸ １１０ｍｍの三方ソールタイプの
袋（ＰＴ／ＰＥ／ＡＱ／ＰＣ）に小麦粉をｅｏｇ充填し
た後、液体窒素を約０．４９添加してから約３秒後に密
封シールした。この時の袋内残存空気の酸素濃度を表３
に示す。Did you measure the oxygen concentration of the internal residual air at this time? Experimental example 2: Approximately 0.3 g of liquid nitrogen was placed in a four-sided seal type bag (PT/PE/AQ/PE) with internal dimensions of 110 mm x 110 mm.
After addition, fill with 100m12 of water, and after adding liquid nitrogen, about 4
After a few seconds, it was sealed. Oxygen experiment example 3 of the internal residual air at this time After filling a three-sided sole type bag (PT/PE/AQ/PC) with internal dimensions of 110 mm x 110 mm with EOG, approximately 0.49% of liquid nitrogen was added. After about 3 seconds, the container was sealed. Table 3 shows the oxygen concentration of the air remaining in the bag at this time.
Shown below.
尚、実験例１．実験例２．実験例３では密封時に若干の
液体窒素が残された為、密封後の製品に適度なふくらみ
を持った形に仕上げる事か出来た。In addition, Experimental Example 1. Experimental example 2. In Experimental Example 3, a small amount of liquid nitrogen was left behind during sealing, so it was possible to finish the sealed product in a shape with appropriate bulge.
これは粉末製品等のケーキンク防止に効果があり有用な
方法である。ふくらみ具合の加減は添加ずろ液体窒素の
量と液体窒素添加から密封シールまでの時間をコントロ
ールする事で自由に設定できる。This is an effective and useful method for preventing caking of powdered products. The degree of swelling can be freely set by controlling the amount of liquid nitrogen added and the time from adding liquid nitrogen to sealing.
実験例４８
内寸が２００ｍｍＸ ２７０ｍｍのピロータイプの袋（
ＰＴ／ＰＣ／Ａ１２／ＰＣ）に液体窒素を約１．５９添
□加し、その後ポテトチップをｔｏｏｙ充填し、液体窒
素添加後約５秒後に密封ソールした。この時の内部空気
の酸素濃度を表４に示す。また従来法充填では袋の平均
厚さを５０ｍｍにしか出来ないがこの実験例では袋の平
均厚さを７０ｍｍにてきた。これはポテトデツプ等の破
損し易い物を包装する時内容積が大きくでき、外力によ
る破損防止に大きな効果かある。Experimental Example 48 Pillow type bag with inner dimensions of 200mm x 270mm (
Approximately 1.59 □ of liquid nitrogen was added to (PT/PC/A12/PC), then potato chips were filled too much, and the sole was sealed approximately 5 seconds after the addition of liquid nitrogen. Table 4 shows the oxygen concentration of the internal air at this time. Furthermore, in the conventional filling method, the average thickness of the bags could only be 50 mm, but in this experimental example, the average thickness of the bags was 70 mm. This allows the inner volume to be increased when packaging items that are easily damaged, such as potato dumplings, and is highly effective in preventing damage caused by external forces.
発明の詳細
な説明しｌこように本発明は、窒素やアルゴン等の不活
性ガスを液化して、液化状態の下で、これを密封前のヒ
ニール袋やポリエチレン袋等を主体として形成した気密
性を有する炊合装体内に注入して、該炊合装体内で液化
不活性ガスを気化させることにより、炊合装体内の空気
を不活性ガスに置換して、しかるのちに炊合装体を密封
することを特徴とするガス置換包装方法であるから次に
述べるような効果がある。DETAILED DESCRIPTION OF THE INVENTION Thus, the present invention liquefies an inert gas such as nitrogen or argon, and under the liquefied state, it is used to form an airtight bag mainly made of plastic bags, polyethylene bags, etc. before being sealed. By injecting the liquefied inert gas into the gas-cooking case, which has the properties Since this is a gas displacement packaging method characterized by sealing, it has the following effects.
（１） 不活性ガスを液化して、液化状態の下で炊合
装体内に滴下するなどして注入するので注入の際に風圧
を生じることがなく、従って従来の不活性ガスをガス状
態のままで注入する場合のように風圧で内容物が飛散し
てシール部に噛み込み等が起るのを確実に防止すること
ができる。(1) Since the inert gas is liquefied and injected by dropping it into the cooking container under the liquefied state, no wind pressure is generated during injection. It is possible to reliably prevent the contents from scattering due to wind pressure and getting caught in the sealing part, as would be the case when injecting the contents directly.
（２）液化不活性ガスを使用するので、炊合装体の製造
途中においても不活性ガスを注入することが可能になる
。(2) Since a liquefied inert gas is used, it is possible to inject the inert gas even during the production of the cooking package.
（３）液化不活性ガスを包装体内に滴下すれば良いので
、既存の製袋充填機をそのまま使用して本発明の方法を
実施することができ、また液化不活性ガス滴下装置を付
設するだけで、単なる製袋充填機をガス置換式の製袋充
填機に換えることができる。(3) Since it is only necessary to drip the liquefied inert gas into the package, the method of the present invention can be carried out by using existing bag-forming and filling machines as is, and only by adding a liquefied inert gas dripping device. With this, a simple bag making and filling machine can be replaced with a gas displacement type bag making and filling machine.
（４）液化不活性ガスが気化し終わる萌に炊合装体を密
封ずれば、密封後に気化した不活性ガスにより包装体内
は所謂膨らんだ状態になって、内容物がたとえばポテト
チップのような壊れやすい物である場合の包装として好
適なものになる。(4) If the cooking package is sealed after the liquefied inert gas has finished vaporizing, the inside of the package will be in a swollen state due to the vaporized inert gas after sealing, and the contents will become like potato chips, for example. This makes it suitable for packaging for fragile items.
第１図は本発明方法を製袋充填機を使用して実施した場
合の説明図である。
ｌ・・・製袋充填機、２・・・巻取包装材料、３．４・
・・フィルムホルダ、５・・・フィードローラセットレ
バ−１６，７・・・ガイドローラ、８・・・フォトアイ
、９・・・フィルムフィードローラ、ＩＯ・・・アジャ
スタブルガイドローラ、ＩＩ・・・フォーマ、１２・・
・センターンーラ、１３．１４・・・チュービングコン
ベア、１５・・・エンドシーラ、１６・・・内容物、１
７・・・チャージコンベア、１８・・・液化不活性ガス
滴下装置のノズル、１９・・・炊合装体。FIG. 1 is an explanatory diagram when the method of the present invention is implemented using a bag making and filling machine. l... Bag making and filling machine, 2... Rolling packaging material, 3.4.
... Film holder, 5... Feed roller set lever 16, 7... Guide roller, 8... Photo eye, 9... Film feed roller, IO... Adjustable guide roller, II... Forma, 12...
・Center roller, 13.14...Tubing conveyor, 15...End sealer, 16...Contents, 1
7... Charge conveyor, 18... Nozzle of liquefied inert gas dripping device, 19... Cooking unit.
Claims (1)
ビニール袋やポリエチレン袋等を主体として形成した気
密性を有する軟包装体内に注入して、該軟包装体内で液
化不活性ガスを気化させることにより、軟包装体内の空
気を不活性ガスに置換して、しかるのち軟包装体を密封
することを特徴とするガス置換包装方法。(1) A liquefied inert gas such as nitrogen or argon is injected into an airtight flexible package mainly made of an unsealed plastic bag or polyethylene bag, and the liquefied inert gas is released inside the flexible package. A gas replacement packaging method characterized by replacing the air inside a flexible packaging with an inert gas by vaporizing it, and then sealing the flexible packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29012185A JPS62158626A (en) | 1985-12-23 | 1985-12-23 | Gas replacing packaging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29012185A JPS62158626A (en) | 1985-12-23 | 1985-12-23 | Gas replacing packaging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62158626A true JPS62158626A (en) | 1987-07-14 |
Family
ID=17752072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29012185A Pending JPS62158626A (en) | 1985-12-23 | 1985-12-23 | Gas replacing packaging method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62158626A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01182219A (en) * | 1988-01-08 | 1989-07-20 | Osaka Gas Co Ltd | Method of gas filling to container |
| JP2016124557A (en) * | 2014-12-26 | 2016-07-11 | ゼネラルパッカー株式会社 | Inert gas filling method in gas filling and packaging machine |
| JP2016196316A (en) * | 2015-04-06 | 2016-11-24 | ゼネラルパッカー株式会社 | Gas filling packaging machine and gas filling method in the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4938788A (en) * | 1972-08-24 | 1974-04-11 | ||
| JPS6068223A (en) * | 1983-09-13 | 1985-04-18 | 東洋製罐株式会社 | Manufacture of soft composite vessel packing |
-
1985
- 1985-12-23 JP JP29012185A patent/JPS62158626A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4938788A (en) * | 1972-08-24 | 1974-04-11 | ||
| JPS6068223A (en) * | 1983-09-13 | 1985-04-18 | 東洋製罐株式会社 | Manufacture of soft composite vessel packing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01182219A (en) * | 1988-01-08 | 1989-07-20 | Osaka Gas Co Ltd | Method of gas filling to container |
| JP2016124557A (en) * | 2014-12-26 | 2016-07-11 | ゼネラルパッカー株式会社 | Inert gas filling method in gas filling and packaging machine |
| JP2016196316A (en) * | 2015-04-06 | 2016-11-24 | ゼネラルパッカー株式会社 | Gas filling packaging machine and gas filling method in the same |
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