JP4262614B2 - Functional packing material - Google Patents

Functional packing material Download PDF

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JP4262614B2
JP4262614B2 JP2004046802A JP2004046802A JP4262614B2 JP 4262614 B2 JP4262614 B2 JP 4262614B2 JP 2004046802 A JP2004046802 A JP 2004046802A JP 2004046802 A JP2004046802 A JP 2004046802A JP 4262614 B2 JP4262614 B2 JP 4262614B2
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hole
film
packing
solid member
substrate
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JP2005231720A5 (en
JP2005231720A (en
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剛 大塚
正久 腰高
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Chugai Pharmaceutical Co Ltd
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Chugai Pharmaceutical Co Ltd
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Description

本発明は、容器内に収容したインスタントコーヒー、ミルクパウダー、錠剤等の内容物を気密に保つ機能を有するほか、内容物の品質を保持するために吸湿、脱臭又は脱酸素などの機能を併せ持っている機能性パッキング材に関するものである。 The present invention has a function of keeping the contents of instant coffee, milk powder, tablets and the like contained in a container airtight, and also has functions such as moisture absorption, deodorization or deoxygenation in order to maintain the quality of the contents. Functional packing material.

従来型の機能性パッキング材として、たとえば、特開平１１−１７１２５９号公報記載のものがある。これは図４に示す如く、パッキング本体４０の中央に、底面に通気孔を有する袋部を設け、該袋部の底面に通気性のメッシュ部４１を布いて乾燥剤４２を収容してなる。このパッキング本体４０を装填したキャップ４５を、たとえば、インスタントコーヒー等の内容物４４を収容した容器４３の口部に結合させたときは、該容器４３に収容した内容物４４は前記メッシュ部４１を通して乾燥剤４２の機能を受領できるが、該乾燥剤４２が容器４３内の内容物４４に接触して機能が低下することを避けるために、前述の如く、必ず、メッシュ部４１を設けることが必要であった。   As a conventional functional packing material, for example, there is one described in JP-A-11-171259. As shown in FIG. 4, a bag portion having a ventilation hole is provided at the bottom surface in the center of the packing body 40, and a desiccant 42 is accommodated by clothing a breathable mesh portion 41 on the bottom surface of the bag portion. For example, when the cap 45 loaded with the packing body 40 is coupled to the mouth of a container 43 containing the contents 44 such as instant coffee, the contents 44 contained in the container 43 pass through the mesh part 41. Although the function of the desiccant 42 can be received, in order to avoid the function of the desiccant 42 coming into contact with the contents 44 in the container 43 and deteriorating the function, it is necessary to provide the mesh part 41 as described above. Met.

そこで、本願出願人の一人は、先に、前記乾燥剤を含む固形部材が、容器内の内容物に接触することのない改良型の機能性パッキング材を提案した（特開２００２−１４５３０９号）。この新提案に係る機能性パッキング材は、図５に示す如く、パッキング本体５０の主材５１に無数の透孔５２を設け、該透孔５２を通して通気性を確保するとともに、該主材５１の片面側に、吸湿・脱臭又は脱酸素などの機能を有する固形部材５３を配置し、該固形部材５３を主材５１の片面側に貼ったフィルム５４にて保持し、該フィルム５４から前記主材５１を通して複数個の貫通孔５５を設けることにより構成していた。   Therefore, one of the applicants of the present application has previously proposed an improved functional packing material in which the solid member containing the desiccant does not come into contact with the contents in the container (Japanese Patent Laid-Open No. 2002-145309). . As shown in FIG. 5, the functional packing material according to the new proposal is provided with innumerable through holes 52 in the main material 51 of the packing body 50, and ensures air permeability through the through holes 52. A solid member 53 having functions such as moisture absorption / deodorization or deoxygenation is disposed on one side, and the solid member 53 is held by a film 54 affixed to one side of the main material 51, and the main material is removed from the film 54. The plurality of through holes 55 are provided through 51.

したがって、上記新提案に係る機能性パッキング材は、これをキャップ５８に装填し、インスタントコーヒー等の内容物５６を収容した容器（瓶）５７の口部に結合（螺合）させたときは、前記容器５７内の気体Ａは、破線矢印の如く、前記貫通孔５５を通して主材５１とキャップ５８との間に形成されている空隙５９に導入され、さらに、空隙５９から主材５１に設けた無数の透孔５２を通して固形部材５３に吸着されるようになる。換言すれば、容器５７内の内容物５６は、前記貫通孔５５及び透孔５２を通して固形部材５３の機能を受領できる一方、前記固形部材５３を保持したフィルムに５４の部分には図４の如き透孔（メッシュ部）がないため、固形部材５３が容器５７内の内容物５６に触れて機能低下することがないものである。
特開平１１−１７１２５９号公報 特開２００２−１４５３０９号公報 Therefore, when the functional packing material according to the above-mentioned new proposal is loaded into the cap 58 and joined (screwed) to the mouth of a container (bottle) 57 containing the contents 56 such as instant coffee, The gas A in the container 57 is introduced into the gap 59 formed between the main material 51 and the cap 58 through the through-hole 55 as indicated by a broken line arrow, and is further provided in the main material 51 from the gap 59. It is adsorbed by the solid member 53 through innumerable through holes 52. In other words, the contents 56 in the container 57 can receive the function of the solid member 53 through the through hole 55 and the through hole 52, while the film 54 holding the solid member 53 has a portion 54 as shown in FIG. Since there is no through-hole (mesh part), the solid member 53 does not touch the contents 56 in the container 57 to deteriorate its function.
JP-A-11-171259 JP 2002-145309 A

しかしながら、上記新提案に係る機能性パッキング材では、前記主材５１と前記キャップ５８との間の空隙５９が、該容器５７の口部とキャップ５８との結合部（螺合部）６０にできる極めて僅かな隙間を通して外気と連通してしまうことから固形部材の機能を減衰させるおそれがあった。また、前記主材５１には無数の透孔５２が設けられているため、その片面側に貼ったフィルム５４の表面には、前記透孔５２を原因とする無数の凹所ができる結果、平滑性に欠け、したがって、容器５７の口部との密着性（気密性）も十分に確保できないという問題も指摘されていた。 However, in the functional packing material according to the above-mentioned new proposal, a gap 59 between the main material 51 and the cap 58 can be formed as a coupling portion (screwing portion) 60 between the mouth portion of the container 57 and the cap 58. Since it communicates with the outside air through a very small gap, the function of the solid member may be attenuated. In addition, since the main material 51 is provided with an infinite number of through holes 52, the surface of the film 54 affixed on one side thereof has innumerable recesses due to the through holes 52, resulting in smoothness. It has also been pointed out that the adhesiveness ( airtightness ) with the mouth of the container 57 cannot be sufficiently secured.

本発明は、上記の種々の問題点を一挙に解決するためのもので、その目的とするところは、固形部材の素材の一部が離反しても容器内に落下させないことはもとより、容器の口部とキャップとの結合部（螺合部）にできる隙間からも外気を確実に遮断でき、しかも、容器口部との密着性（気密性）も十分に確保できる新規な機能性パッキング材を提供することにある。   The present invention is intended to solve the above-mentioned various problems all at once. The purpose of the present invention is not to prevent the solid member from dropping into the container even if a part of the material is separated. A new functional packing material that can reliably block outside air from the gap between the mouth and cap (screwed part), and can also ensure sufficient adhesion (airtightness) to the container mouth. It is to provide.

上記目的を達成するため、本発明に係る機能性パッキング材は、パッキング基板に透孔を形成し、該透孔形成部に吸湿・脱臭又は脱酸素等の機能を有する固形部材を配置するとともに、該パッキング基板の片面側に前記固形部材を覆うように第１フィルムを固着し、他面側に第２フィルムの周縁部を中央域に空隙部が形成されるように固着し、前記第１フィルムからパッキング基板を通して設けた通気孔を、前記第２フィルムの前記空隙部に連通させたことを特徴とするものである。   In order to achieve the above object, the functional packing material according to the present invention forms a through hole in the packing substrate, and disposes a solid member having functions such as moisture absorption / deodorization or deoxygenation in the through hole forming part, A first film is fixed to one side of the packing substrate so as to cover the solid member, and a peripheral part of the second film is fixed to the other side so that a gap is formed in the central region, and the first film is fixed. The vent hole provided through the packing substrate is communicated with the gap portion of the second film.

また、請求項２に記載の発明に係る機能性パッキング材は、前記パッキング基板が、前記固形部材を嵌入できる第１透孔と、その周囲に前記第１フィルムの通気孔に連通する第２透孔を配したものであることを特徴とするものである。   In the functional packing material according to the second aspect of the present invention, the packing substrate includes a first through hole into which the solid member can be inserted, and a second through hole that communicates with the first through hole around the first through hole. It is characterized by being provided with holes.

本発明は、パッキング基板の片面側に固形部材を覆うように貼った第１フィルムからパッキング基板を通して設けた通気孔を通して容器内の気体を、パッキング基板の他面側に貼った第２フィルムの中央域の空隙部に導入し、これを吸湿・脱臭又は脱酸素等の機能を有する固形部材に受領させるため、これを容器の口部に結合させるキャップ内に適用するときは、容器の口部とキャップとの結合部（螺合部）に隙間があっても、固形部材とは確実に遮断され、該固形部材の吸湿・脱臭又は脱酸素等の機能を減衰させることがなく、しかも、パッキング基板には、図５に示すような無数の透孔が設けられていないため、第１フィルム面は平滑性が高く、容器口部との密着性（気密性）も十分に確保できるなど、各種の優れた効果を奏するものである。   The present invention relates to the center of the second film in which the gas in the container is attached to the other surface side of the packing substrate through the vent hole provided through the packing substrate from the first film that is attached so as to cover the solid member on one side of the packing substrate. When it is applied to a cap that is coupled to the mouth of the container in order to be introduced into the void of the area and received by a solid member having a function of moisture absorption / deodorization or deoxygenation, the mouth of the container Even if there is a gap in the coupling part (screwing part) with the cap, the solid member is surely cut off, the function of moisture absorption / deodorization or deoxygenation of the solid member is not attenuated, and the packing substrate Since the innumerable through-holes as shown in FIG. 5 are not provided, the first film surface has high smoothness, and sufficient adhesion (air tightness) with the container mouth can be secured. It has an excellent effect That.

また、請求項２に記載の発明は、パッキング基板には第１透孔と第２透孔があけられ、その第１透孔に吸湿・脱臭又は脱酸素等の機能を有する固形部材を嵌入し、第１フィルムに前記第２透孔に対応して穴をあければ、通気孔が第１フィルムからパッキング基板の第２透孔を通して第２フィルムの空隙部に簡易に連通させることができるという優れた効果を奏するものである。   According to a second aspect of the present invention, the packing substrate is provided with a first through hole and a second through hole, and a solid member having a function of moisture absorption / deodorization or deoxygenation is inserted into the first through hole. If the first film has a hole corresponding to the second through hole, the air hole can be easily communicated from the first film through the second through hole of the packing substrate to the void portion of the second film. It is effective.

次に、本発明の最良の実施形態を添付した図面に基づいて説明する。図１は本願機能性パッキング材の使用状態を示す断面図、図２はパッキング基板に第１透孔と第２透孔を設けた場合の斜視図で、（ａ）は第１透孔を細孔にした場合、（ｂ）は第１透孔を固形部材と同大にした場合、図３はパッキング基板の第１透孔に固形部材を嵌入し、第１フィルムを真空吸着させる過程を示す断面図で、（ａ）は第１フィルムで固形部材の上方を覆った状態、（ｂ）は吸着状態である。   Next, the best mode for carrying out the present invention will be described with reference to the accompanying drawings. FIG. 1 is a cross-sectional view showing the usage state of the functional packing material of the present application, FIG. 2 is a perspective view when the first through hole and the second through hole are provided in the packing substrate, and FIG. FIG. 3 shows a process of inserting the solid member into the first through hole of the packing substrate and vacuum-adsorbing the first film when (b) is the same size as the solid member. It is sectional drawing, (a) is the state which covered the upper part of the solid member with the 1st film, (b) is an adsorption state.

本願機能性パッキング材１は、長時間にわたって一定の品質保持を必要とする物品、たとえば、インスタントコーヒー、ミルクパウダーまたは錠剤等の内容物２を収容したガラス、プラスチック等よりなる容器３の口部４に結合させるキャップ５の内面に、図１の如く、装填して使用されるものである。   The functional packing material 1 of the present application is a mouth 4 of a container 3 made of glass, plastic, or the like containing contents 2 such as instant coffee, milk powder, or tablets, which need to maintain a certain quality for a long time. As shown in FIG. 1, it is used by being loaded on the inner surface of the cap 5 to be coupled to the cap.

図１に示している本願機能性パッキング材１は、パッキング基板６に設けた第１透孔７に、吸湿・脱臭又は脱酸素等の機能を有する固形部材８を嵌入させるとともに、該パッキング基板６の片面側（図では下側）に、前記固形部材８を覆うように第１フィルム（プラスチックフィルム）９を貼る一方、該パッキング基板６の他面側（図において上側）に第２フィルム（プラスチックフィルム）１０を、その周縁部１０′のみを貼る。この第２フィルム１０は、前記固形部材８の背面側を含むそれより広い範囲の中央域に空隙部１１を形成している（図上では空隙部を段差状に強調して示しているが、実際は接着していないだけである）。そして、前記パッキング基板６の周囲の第１フィルム９には前記空隙部１１に通じる通気孔１２が設けられている。したがって、該空隙部１１を通して前記内容物２を収容した容器３の内部の気体Ａは、破線矢印の如く、通気孔１２を通して吸湿・脱臭又は脱酸素等の機能を有する固形部材８に受領されるようになっている。   The functional packing material 1 of the present application shown in FIG. 1 has a solid member 8 having a function of moisture absorption / deodorization or deoxygenation inserted in a first through hole 7 provided in the packing substrate 6 and the packing substrate 6. A first film (plastic film) 9 is pasted on one side (lower side in the figure) so as to cover the solid member 8, while a second film (plastic) is placed on the other side (upper side in the figure) of the packing substrate 6. The film 10 is pasted only on the peripheral edge 10 '. This second film 10 has a void 11 formed in a central region in a wider range including the back side of the solid member 8 (in the drawing, the void is highlighted in a stepped form, Actually it is not glued). The first film 9 around the packing substrate 6 is provided with a vent hole 12 leading to the gap 11. Therefore, the gas A inside the container 3 containing the contents 2 through the gap portion 11 is received by the solid member 8 having functions such as moisture absorption / deodorization or deoxygenation through the vent hole 12 as indicated by broken arrows. It is like that.

前記パッキング基板６は、プラスチック発泡体（勿論、パッキング効果があれば、ソリッドでも可）が使用される。該パッキング基板６は、少なくとも前記固形部材８を配置する部分では通気性をもっている。この通気性の確保には、たとえば、図２（ａ）の如く、パッキング基板６に複数個の細孔からなる第１透孔７とその周辺に第２透孔７′を設け、この第１透孔７の形成部に前記固形部材８を配置するか、図２（ｂ）の如く、前記固形部材８が嵌入する第１透孔７とその周辺に第２透孔７′を設け、この第１透孔７の形成部に前記固形部材８を嵌入配置する（実施例はこの態様を示している）。   The packing substrate 6 is made of a plastic foam (of course, it can be solid if it has a packing effect). The packing substrate 6 has air permeability at least at a portion where the solid member 8 is disposed. In order to ensure this air permeability, for example, as shown in FIG. 2 (a), the packing substrate 6 is provided with a first through hole 7 made of a plurality of fine holes and a second through hole 7 'around the first through hole 7. The solid member 8 is arranged in the formation part of the through hole 7 or, as shown in FIG. 2B, the first through hole 7 into which the solid member 8 is fitted and the second through hole 7 ′ around the first through hole 7 are provided. The solid member 8 is inserted and disposed in the formation portion of the first through hole 7 (the embodiment shows this aspect).

前記第１透孔７の形成部に配置された固形部材８は、前記パッキング基板６の片面側に貼った第１フィルム９により覆われる。該第１フィルム９に形成する通気孔１２は前記パッキング基板６の他面側に第２フィルム１０の周縁部を固着させる前の段階で行ってもよい。すなわち、パッキング基板６に形成する第１透孔７とその周辺の第２透孔７′の位置は予め画定できるから、該第２透孔７′に対応する第１フィルム９の個所に、予め通気孔１２を形成しておくことは容易だからである。勿論、パッキング基板６の他面側に周縁部１０′を固着させた第２フィルム１０を設け、その空隙部１１に連通するようにあとから第１フィルム９に通気孔１２を形成することも可能である。   The solid member 8 disposed in the formation portion of the first through hole 7 is covered with a first film 9 attached to one side of the packing substrate 6. The air holes 12 formed in the first film 9 may be performed at a stage before the peripheral portion of the second film 10 is fixed to the other surface side of the packing substrate 6. That is, since the positions of the first through holes 7 formed in the packing substrate 6 and the second through holes 7 ′ around the first through holes 7 can be defined in advance, the positions of the first film 9 corresponding to the second through holes 7 ′ are previously set. This is because it is easy to form the air holes 12. Of course, it is also possible to provide the second film 10 with the peripheral edge portion 10 'fixed on the other surface side of the packing substrate 6 and to form the air holes 12 in the first film 9 later so as to communicate with the gap portion 11. It is.

前記通気孔１２は、次の方法（手段）により形成することも可能である。すなわち、図３（ａ）の如く、パッキング基板６を空気吸引機の吸引盤（図面では空気吸引孔を省略）の上に載置し、該パッキング基板６の第１透孔７に固形部材８を嵌入し、その上に第１フィルム９をかぶせた後、前記空気吸引機の作用で真空吸着させるという方法である。この方法によると、前記第１フィルム９は固形部材８およびパッキング基板６に密着（熱融着など）させると、該第１フィルム９は第２透孔７′に対向部分がその孔内に強制的に吸引され、延伸されるから、同図３（ｂ）の如く、第２透孔７′において破壊されて通気孔１２が形成される。この破壊により出来た通気孔１２は、前記第２透孔７′を介して前記第２フィルム１０との間に形成されている空隙部１１に連通することとなる。   The vent hole 12 can also be formed by the following method (means). That is, as shown in FIG. 3A, the packing substrate 6 is placed on a suction plate (air suction hole is omitted in the drawing) of an air suction machine, and the solid member 8 is placed in the first through hole 7 of the packing substrate 6. Is inserted, and the first film 9 is placed thereon, and then vacuum-adsorbed by the action of the air suction device. According to this method, when the first film 9 is brought into close contact with the solid member 8 and the packing substrate 6 (such as heat fusion), the first film 9 is forced to the second through hole 7 'and the opposite portion is forced into the hole. As shown in FIG. 3 (b), the second through hole 7 'is broken to form the vent hole 12. The vent hole 12 formed by this breakage communicates with the gap portion 11 formed between the second film 10 and the second through-hole 7 '.

前記第１フィルム９の破壊作用を有効に行わせるためには、前記第２透孔７′を、図２（ｂ）の如く、第１透孔７の内径を底辺とする三角形に形成しておくとよい。すなわち、三角形の狭い夾角部は真空吸着時の流体の流速を速め、第１フィルム９に対して大きな破壊力が形成されるためである。勿論、上記第１フィルム９の破壊は真空吸着時の吸引力のみに限らないので、第２透孔７′の形状は三角形以外の形状であることを妨げない。   In order to effectively perform the destructive action of the first film 9, the second through hole 7 ′ is formed in a triangle having the inner diameter of the first through hole 7 as a base as shown in FIG. It is good to leave. In other words, the narrow depression part of the triangle increases the flow velocity of the fluid during vacuum adsorption, and a large destructive force is formed on the first film 9. Of course, the destruction of the first film 9 is not limited to the suction force at the time of vacuum suction, so that the shape of the second through hole 7 'is not prevented from being a shape other than a triangle.

上記実施態様によれば、本願機能性パッキング材１を適用したキャップ５を、内容物２を収容したガラス、プラスチック等よりなる容器３の口部４に結合させると、容器３内の気体Ａは、前記第１フィルム９に設けた通気孔１２を通して前記パッキング基板６の他面側（裏側）の第２フィルム１０の空隙部１１から固形部材８に導通する。したがって、容器３の内容物２は固形部材８が保有する固有の機能（吸湿・脱臭又は脱酸素等）を確実に受領できる。その上、前記空隙部１１をキャップ５と容器３の口部４との隙間から完全に遮断できる。また、パッキング基板６の第１フィルム９を貼った周辺部は平滑であり、容器３の口部４との間に高い密着性（気密性）が確保できる。   According to the above embodiment, when the cap 5 to which the functional packing material 1 of the present application is applied is coupled to the mouth 4 of the container 3 made of glass, plastic or the like containing the contents 2, the gas A in the container 3 is The solid member 8 is electrically connected from the gap 11 of the second film 10 on the other surface side (back side) of the packing substrate 6 through the air holes 12 provided in the first film 9. Therefore, the contents 2 of the container 3 can reliably receive the unique functions (such as moisture absorption / deodorization or deoxygenation) possessed by the solid member 8. In addition, the gap 11 can be completely blocked from the gap between the cap 5 and the mouth 4 of the container 3. Moreover, the peripheral part which stuck the 1st film 9 of the packing board | substrate 6 is smooth, and high adhesiveness (airtightness) can be ensured between the opening parts 4 of the container 3. FIG.

本願機能性パッキング材１のパッキング基板６を、発泡倍率１．２〜３０倍、好ましくは１．５倍〜１５倍、厚さ０．５〜３．０ｍｍ、好ましく１．０〜２．０ｍｍ位のＰＥ発泡シートで構成すると、高いシール性が確保できるものである。   The packing substrate 6 of the functional packing material 1 of the present application has an expansion ratio of 1.2 to 30 times, preferably 1.5 times to 15 times, a thickness of 0.5 to 3.0 mm, preferably about 1.0 to 2.0 mm. A high sealing property can be ensured by using a PE foam sheet.

本願機能性パッキング材の使用状態を示す断面図である。It is sectional drawing which shows the use condition of this-application functional packing material. パッキング基板に第１透孔と第２透孔を設けた場合の斜視図で、（ａ）は第１透孔を細孔にした場合、（ｂ）は第１透孔を固形部材と同大にした場合であるIt is a perspective view at the time of providing the 1st through-hole and the 2nd through-hole in a packing board, (a) makes the 1st through-hole a pore, (b) is the same size as a solid member with the 1st through-hole. Is the case パッキング基板の第１透孔に固形部材を嵌入し、第１フィルムを真空吸着させる過程を示す断面図で、（ａ）は第１フィルムを固形部材の上方を覆った状態、（ｂ）は吸着状態である。It is sectional drawing which shows the process which inserts a solid member in the 1st through-hole of a packing board | substrate, and vacuum-adsorbs a 1st film, (a) is the state which covered the upper direction of the 1st film, (b) is adsorption | suction State. 従来型の機能性パッキング材の使用状態を示す断面図である。It is sectional drawing which shows the use condition of the conventional functional packing material. 新提案に係る機能性パッキング材の使用状態を示す断面図である。It is sectional drawing which shows the use condition of the functional packing material which concerns on a new proposal.

符号の説明Explanation of symbols

１ 本願機能性パッキング材
２ 内容物
３ 容器
４ 口部
５ キャップ
６ パッキング基板
７ 第１透孔
７′ 第２透孔
８ 固形部材
９ 第１フィルム
１０ 第２フィルム
１０′ 周縁部
１１ 空隙部
１２ 通気孔 DESCRIPTION OF SYMBOLS 1 This application functional packing material 2 Contents 3 Container 4 Mouth part 5 Cap 6 Packing board | substrate 7 1st through-hole 7 '2nd through-hole 8 Solid member 9 1st film 10 2nd film 10' Peripheral part 11 Cavity part 12 Through Pores

Claims (2)

パッキング基板に透孔を形成し、該透孔形成部に吸湿・脱臭又は脱酸素等の機能を有する固形部材を配置するとともに、該パッキング基板の片面側に前記固形部材を覆うように第１フィルムを固着し、他面側に第２フィルムの周縁部を中央域に空隙部が形成されるように固着し、前記第１フィルムからパッキング基板を通して設けた通気孔を、前記第２フィルムの前記空隙部に連通させたことを特徴とする機能性パッキング材。 A through-hole is formed in the packing substrate, a solid member having functions such as moisture absorption / deodorization or deoxygenation is disposed in the through-hole forming portion, and the first film is covered on one side of the packing substrate. And fixing the peripheral edge of the second film on the other surface so that a void is formed in the central region, and providing a vent hole through the packing substrate from the first film, the void of the second film A functional packing material characterized by being connected to a part. 前記パッキング基板が、前記固形部材を嵌入できる第１透孔と、その周囲に前記第１フィルムの通気孔に連通する第２透孔を配したものであることを特徴とする請求項１に記載の機能性パッキング材。 The said packing board | substrate has arrange | positioned the 1st through-hole which can insert the said solid member, and the 2nd through-hole connected to the ventilation hole of the said 1st film in the circumference | surroundings. Functional packing material.
JP2004046802A 2004-02-23 2004-02-23 Functional packing material Expired - Lifetime JP4262614B2 (en)

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US8910781B2 (en) 2013-01-11 2014-12-16 R.J. Reynolds Tobacco Company Container for smokeless tobacco products and related packaged product assembly and method
US9445631B1 (en) 2015-03-20 2016-09-20 R. J. Reynolds Tobacco Company Container for smokeless tobacco products and related packaged product assembly and method

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