JP4457757B2 - Lid with a drying or humidity control function - Google Patents

Lid with a drying or humidity control function Download PDF

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JP4457757B2
JP4457757B2 JP2004164141A JP2004164141A JP4457757B2 JP 4457757 B2 JP4457757 B2 JP 4457757B2 JP 2004164141 A JP2004164141 A JP 2004164141A JP 2004164141 A JP2004164141 A JP 2004164141A JP 4457757 B2 JP4457757 B2 JP 4457757B2
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desiccant
lid
humidity control
stack
humidity
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JP2005343502A (en
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潔 和田
昌由 鈴田
利幸 鈴木
正信 岡村
政輝 山本
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Toppan Inc
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Toppan Inc
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Description

本発明は、乾燥が必要な例えば乾燥食品などの内容物、又は調湿が必要な例えば錠剤などの内容物を収納する容器に装着する乾燥又は調湿機能を有する蓋材に関するものである。   The present invention relates to a lid material having a drying or humidity control function that is attached to a container that stores contents such as dried foods that need drying or contents such as tablets that require humidity conditioning.

従来、容器に収納する内容物に対して乾燥機能を有する蓋材としては、シート状の乾燥剤含有樹脂成形体を蓋材の天板内面下に、パッキンの代わりに挿着したものがあった。   Conventionally, as a lid material having a drying function with respect to contents stored in a container, there has been a sheet-like desiccant-containing resin molded body inserted under the top plate inner surface of the lid material instead of packing. .

しかしながら、上述の従来の乾燥機能を有する蓋材は、容器に収納する内容物が、天板内面下に挿着されている乾燥剤含有樹脂成形体に直接に接触してしまうため、乾燥剤含有樹脂成形体の乾燥剤が内容物へ移行することがあり、食品衛生上の問題、内容物の変質の可能性などの問題があり、また、内容物の乾燥剤含有樹脂成形体への付着の問題や、挿着されている乾燥剤含有樹脂成形体の外周縁部が、蓋材の内周面と容器の周壁外周面間にあるため、外気の水分を吸収することがあり、この水分が乾燥剤含有樹脂成形体を内側へ伝わって容器内へ侵入する問題などがあった。   However, the lid material having the conventional drying function described above contains the desiccant content because the contents stored in the container directly come into contact with the desiccant-containing resin molded body inserted under the inner surface of the top plate. The desiccant of the resin molded product may shift to the contents, which may cause problems such as food hygiene problems and the possibility of alteration of the contents. Since the outer peripheral edge of the problem or the inserted desiccant-containing resin molding is between the inner peripheral surface of the lid and the outer peripheral surface of the peripheral wall of the container, it may absorb moisture from the outside air. There was a problem that the desiccant-containing resin molded body was transmitted inward to enter the container.

本発明は、上述の従来の乾燥機能を有する蓋材の問題点を解決したものであり、食品衛生上の問題や内容物に対する悪影響がなく、乾燥又は調湿の効果が持続性で良好であり、パッキン機能をもち、積み重ねが可能な乾燥又は調湿機能を有する蓋材を提供するものである。   The present invention solves the problems of the above-described conventional lid material having a drying function, has no adverse effects on food hygiene and contents, and the drying or humidity control effect is sustained and good. The present invention provides a lid having a packing function and having a drying or humidity control function that can be stacked.

すなわち、本発明の第１の発明は、乾燥又は調湿を必要とする内容物を収納する容器に装着する、天板と、容器との係合部を内周面にもつ周壁とからなる蓋材であって、天板の中央側にスタック兼収容突出部を突設し、このスタック兼収容突出部の内側に、乾燥剤又は調湿剤含有樹脂成形体を熱融着し、かつ、パッキン機能をもつインサートフィルムを、乾燥剤又は調湿剤含有樹脂成形体の下面とスタック兼収容突出部の外周外側の天板外周縁部の内面とに熱融着して、乾燥剤又は調湿剤含有樹脂成形体を封入したことを特徴とする乾燥又は調湿機能を有する蓋材である。   That is, the first invention of the present invention is a lid comprising a top plate, which is attached to a container for storing contents that require drying or humidity control, and a peripheral wall having an engagement portion with the container on the inner peripheral surface. A stack-and-housing protrusion projecting on the center side of the top plate, and heat-sealing a desiccant or moisture-conditioner-containing resin molding inside the stack-and-housing protrusion, and packing The insert film having a function is heat-sealed to the bottom surface of the desiccant or humidity control agent-containing resin molded body and the inner surface of the outer peripheral edge of the top plate outside the outer periphery of the stack / housing protrusion, and the desiccant or humidity control agent It is a lid | cover material which has a drying or humidity control function characterized by sealing the containing resin molding.

そして、本発明の第２の発明は、雌型のスタック兼収容突出部形成キャビティの中心にゲート位置がある射出成形用金型であって、前もって、雌型のスタック兼収容突出部形成キャビティ内に、乾燥剤又は調湿剤含有樹脂成形体をエアー孔により吸引して仮固定し、雄型の天板形成キャビティ面に、インサートフィルムをエアー孔により吸引して仮固定し、型締めして、ゲートより溶融樹脂をキャビティ内へ射出し、溶融樹脂圧力により乾燥剤又は調湿剤含有樹脂成形体を雄型側へ移動させて蓋本体を成形すると同時に、蓋本体のスタック兼収容突出部内に乾燥剤又は調湿剤含有樹脂成形体を熱融着し、かつ、乾燥剤又は調湿剤含有樹脂成形体の下面と蓋本体のスタック兼収容突出部の外周外側の天板外周縁部の内面にインサートフィルムを熱融着して、乾燥剤又は調湿剤含有樹脂成形体を封入したことを特徴とする乾燥又は調湿機能を有する蓋材の製造方法である。   According to a second aspect of the present invention, there is provided an injection molding die having a gate position at the center of a female stack / accommodating protrusion forming cavity, wherein the inside of the female stack / accommodating protrusion forming cavity In addition, the desiccant or moisture-conditioner-containing resin molded body is sucked and temporarily fixed by the air holes, and the insert film is sucked and temporarily fixed to the male top plate forming cavity surface by the air holes. The molten resin is injected into the cavity from the gate, and the lid body is molded by moving the resin molding containing the desiccant or humidity control agent to the male mold side by the molten resin pressure. The inner surface of the outer peripheral edge of the top plate that is heat-sealed with the desiccant or moisture-conditioner-containing resin molded body, and that is outside the outer periphery of the stack and accommodating protrusion of the lid body and the bottom surface of the desiccant or humidity-controlling resin molded body Insert film on They are fused, a method of manufacturing a cover material having a dry or humidity function and wherein the encapsulating desiccant or humidity-containing resin molded product.

本発明の乾燥又は調湿機能を有する蓋材は、天板に設けられたスタック兼収容突出部の内側に、乾燥剤又は調湿剤含有樹脂成形体がインサートフィルムで封入されて収容されて
おり、乾燥剤又は調湿剤含有樹脂成形体が、容器内に収納されている内容物に直接接触することがないため、内容物の食品衛生上の問題や内容物の変質などの問題を発生することがない。 The lid material having a drying or humidity control function according to the present invention is stored inside the stack and accommodation protrusion provided on the top plate, with a desiccant or a humidity control resin-containing molded body enclosed in an insert film. In addition, the desiccant or moisture-conditioner-containing resin molded body does not directly contact the contents stored in the container, which causes problems such as food hygiene problems and content deterioration. There is nothing.

また、本発明の乾燥又は調湿機能を有する蓋材は、天板に設けられたスタック兼収容突出部の内側に収容されている乾燥剤又は調湿剤含有樹脂成形体が、インサートフィルムで封入されているために外気の影響を受けることなく、容器内を乾燥又は調湿するため、乾燥又は調湿の効果が持続性で良好である。   The lid material having a drying or humidity control function according to the present invention includes a desiccant or a humidity control agent-containing resin molding housed inside the stack and housing protrusion provided on the top plate, enclosed in an insert film. Therefore, since the inside of the container is dried or conditioned without being affected by the outside air, the effect of drying or humidity adjustment is excellent in sustainability.

また、本発明の本発明の乾燥又は調湿機能を有する蓋材の天板に設けられスタック兼収容突出部の内側に、乾燥剤又は調湿剤含有樹脂成形体を封止するインサートフィルムは、容器の口頸部に挿着されたときに、パッキン機能があるため、容器の密封性が良好となる。   Also, the insert film provided on the top plate of the lid material having the drying or humidity control function of the present invention, the inside of the stack and accommodation protrusion, the desiccant or the humidity control agent-containing resin molded body is sealed, Since it has a packing function when inserted into the mouth and neck of the container, the sealing performance of the container is good.

また、本発明の乾燥又は調湿機能を有する蓋材は、天板にスタック兼収容突出部が設けられているため、蓋と蓋、容器と容器を積み重ねることができる。   Moreover, since the lid | cover material which has a drying or humidity control function of this invention is provided with the stack | stacking and accommodation protrusion part in the top plate, a lid | cover and a lid | cover, a container, and a container can be stacked | stacked.

次に、本発明の乾燥又は調湿機能を有する蓋材の実施形態について、図を用いて詳細に説明する。   Next, an embodiment of a lid member having a drying or humidity control function of the present invention will be described in detail with reference to the drawings.

図１は、実施形態１の乾燥又は調湿機能を有する蓋材の断面図であり、図２は、その射出成形用金型で、（ａ）は、型開きした雌型と雄型に、乾燥剤又は調湿剤含有樹脂成形体及びインサートフィルムを吸引して挿着した状態を示し、（ｂ）は、型締めして図１に示す乾燥又は調湿機能を有する蓋材を成形した状態を示す。図３は、実施形態２の打栓タイプの乾燥又は調湿機能を有する蓋材の断面図であり、図４は、実施形態３のヒンジ蓋タイプの乾燥又は調湿機能を有する蓋材の断面図である。   FIG. 1 is a cross-sectional view of a lid member having a drying or humidity control function according to Embodiment 1, FIG. 2 is an injection mold thereof, and (a) is an open female mold and a male mold. The state which sucked and inserted the desiccant or humidity control agent-containing resin molded body and the insert film is shown, and (b) is the state where the mold is closed and the lid material having the drying or humidity control function shown in FIG. 1 is formed. Indicates. 3 is a cross-sectional view of a lid material having a drying or humidity control function of the stopper type according to the second embodiment, and FIG. 4 is a cross section of the lid material having a drying or humidity control function of the hinge lid type according to the third embodiment. FIG.

本発明の乾燥又は調湿機能を有する蓋材は、プラスチックボトルやガラス瓶など容器の口頸部に螺合や咬合により装着して、容器内を乾燥又は調湿環境にし、容器に収納されている内容物を乾燥又は調湿するものである。例えば、乾燥食品、医薬錠剤、固形健康食品、検出センサーなどの乾燥環境を必要とする内容物、または、医薬カプセル錠剤などの調湿環境を必要とする内容物を収納する容器に使用されるものである。   The lid material having a drying or humidity control function according to the present invention is attached to the mouth and neck of a container such as a plastic bottle or a glass bottle by screwing or occlusion, and the inside of the container is made into a dry or humidity-controlled environment and stored in the container. The contents are dried or conditioned. For example, dry foods, pharmaceutical tablets, solid health foods, contents that require a dry environment such as detection sensors, or containers used to store contents that require a humidity control environment such as pharmaceutical capsule tablets It is.

実施形態１の乾燥又は調湿機能を有する蓋材（１００）の構造は、図１に示すように、天板（１１０）と周壁（１２０）とからなるキャップ形状であり、天板の中央側にスタック兼収容突出部（１１１）を突設し、このスタック兼収容突出部の内側に、ほぼスタック兼収容突出部の内側形状の乾燥剤又は調湿剤含有樹脂成形体（２００）を熱融着して収容し、パッキン機能をもつインサートフィルム（３００）を、乾燥剤又は調湿剤含有樹脂成形体の下面とスタック兼収容突出部の外周外側の天板外周縁部の内面とに熱融着して、乾燥剤又は調湿剤含有樹脂成形体を封入するものである。また、周壁の内周面には、容器の口頸部の外周面に設けられた雄ネジと螺合する雌ネジ（１２１）を設けるものである。   As shown in FIG. 1, the structure of the lid member (100) having a drying or humidity control function according to the first embodiment is a cap shape including a top plate (110) and a peripheral wall (120), and the center side of the top plate. A stack / housing protrusion (111) is provided on the inside of the stack / housing protrusion, and a desiccant or humidity conditioner-containing resin molded body (200) substantially inside the stack / housing protrusion is thermally melted inside the stack / housing protrusion. The insert film (300) having the packing function is attached to the inner surface of the outer peripheral edge of the top plate outside the outer periphery of the stack and containing protrusion. And a desiccant or humidity control agent-containing resin molded body is enclosed. Moreover, the internal peripheral surface of a surrounding wall is provided with the internal thread (121) screwed together with the external thread provided in the outer peripheral surface of the mouth neck part of a container.

乾燥剤又は調湿剤含有樹脂成形体は、酸化カルシウムなどの乾燥剤又は焼みょうばんなどの調湿剤を含有する熱可塑性樹脂を射出成形法により作製するものである。この熱可塑性樹脂は、蓋材の樹脂と熱融着するものであり、蓋材がポリプロピレン（エチレンとのブロック又はランダム共重合体）の場合には、低密度ポリエチレン、直鎖状低密度ポリエチレン、高密度ポリエチレン、ポリプロピレンなどであり、蓋材が高密度ポリエチレンの場合には、低密度ポリエチレン、直鎖状低密度ポリエチレン、高密度ポリエチレン、ポリプロピレン（エチレンとのブロック又はランダム共重合体）などである。また、インサート
フィルムとしては、蓋材がポリプロピレン（エチレンとのブロック又はランダム共重合体）の場合には、乾燥剤又は調湿剤含有樹脂成形体の容器内部への乾燥又は調湿の効果を高めるために、水分透過性の高い２０〜８０μｍ厚の低密度ポリエチレン又は直鎖状低密度ポリエチレンが好ましく、また、薄めの１５〜３５μｍ厚のポリプロピレンを使用するものである。蓋材が高密度ポリエチレンの場合には、２０〜８０μｍ厚の低密度ポリエチレン又は直鎖状低密度ポリエチレン、１５〜３５μｍ厚のポリプロピレン（エチレンとのブロック又はランダム共重合体）を使用するものである。なお、必要に応じては、容器の密封性を向上するために、容器の口頸部の口部上面にコンタクト封止リングを設けても、口頸部の先端をＲ形状にしてもよい。 The desiccant or humidity control agent-containing resin molded body is prepared by injection molding of a thermoplastic resin containing a desiccant such as calcium oxide or a humidity control agent such as baking alum. This thermoplastic resin is one that is heat-sealed with the resin of the cover material. When the cover material is polypropylene (block or random copolymer with ethylene), low-density polyethylene, linear low-density polyethylene, High density polyethylene, polypropylene, etc. When the lid is high density polyethylene, it is low density polyethylene, linear low density polyethylene, high density polyethylene, polypropylene (block or random copolymer with ethylene), etc. . Moreover, as an insert film, when a cover material is a polypropylene (a block or random copolymer with ethylene), the effect of drying or conditioning the desiccant or the humidity control agent-containing resin molded body inside the container is enhanced. Therefore, low-density polyethylene or linear low-density polyethylene having a high moisture permeability of 20 to 80 μm is preferable, and a thin polypropylene having a thickness of 15 to 35 μm is used. When the lid material is high-density polyethylene, 20 to 80 μm-thick low-density polyethylene or linear low-density polyethylene, 15 to 35 μm-thick polypropylene (block or random copolymer with ethylene) is used. . If necessary, in order to improve the sealing performance of the container, a contact sealing ring may be provided on the mouth upper surface of the mouth / neck part of the container, or the tip of the mouth / neck part may be formed in an R shape.

上述の乾燥又は調湿機能を有する蓋材の製造方法は、図２（ａ）に示すように、雌型（４１０）のスタック兼収容突出部形成キャビティ（４１２）の中心にゲート（４１１）位置がある射出成形用金型（４００）を用いるものであり、まず、射出成形機上の射出成形用金型を型開きし、乾燥剤又は調湿剤含有樹脂成形体（２００）を、雌型のスタック兼収容突出部形成キャビティ内に、所定位置に設けられているエアー孔（４１３）からエアーを吸引して仮固定し、また、インサートフィルム（３００）を、雄型（４２０）の天板形成キャビティ面（４２１）に、所定位置に設けられているエアー孔（４２２）からエアーを吸引して仮固定し、次に、型締めして、図２（ｂ）に示すように、ゲート（４１１）より溶融樹脂をキャビティ（成形品が成形される雄型と雌型の間の空間）内へ射出し、溶融樹脂圧力により乾燥剤又は調湿剤含有樹脂成形体（２００）を雄型側へ移動させて蓋本体を成形すると同時に、蓋材本体のスタック兼収容突出部内に乾燥剤又は調湿剤含有樹脂成形体を熱融着し、また、乾燥剤又は調湿剤含有樹脂成形体の下面と蓋材本体のスタック兼収容突出部の外周外側の天板外周縁部の内面にインサートフィルム（３００）を熱融着して、乾燥剤又は調湿剤含有樹脂成形体を封入して乾燥又は調湿機能を有する蓋材（１００）を作製するものである。なお、乾燥剤又は調湿剤含有樹脂成形体及びインサートフィルムの金型内への挿入は、インサーターによるものである。   As shown in FIG. 2 (a), the manufacturing method of the lid member having a drying or humidity control function described above is performed at the position of the gate (411) at the center of the stack / housing projection forming cavity (412) of the female die (410). An injection mold (400) is used. First, the injection mold on the injection molding machine is opened, and a desiccant or humidity control resin-containing body (200) is formed into a female mold. The air is sucked and temporarily fixed from an air hole (413) provided at a predetermined position in the stack / accommodating protrusion forming cavity, and the insert film (300) is attached to the top plate of the male mold (420). Air is sucked into the formation cavity surface (421) from the air hole (422) provided at a predetermined position and temporarily fixed, and then the mold is clamped, as shown in FIG. 411) from the molten resin into the cavity (molding) At the same time as the lid body is molded by injecting into the space between the male mold and the female mold to be molded, and moving the desiccant or moisture-conditioner-containing resin molded body (200) to the male mold side by the molten resin pressure. , A desiccant or humidity-controlling resin molded body is heat-sealed in the stack and housing protrusion of the lid body, and the stack and housing protrusion of the bottom surface of the desiccant or humidity-controlling resin molding and the lid material body A cover material (100) having a drying or humidity control function by heat-sealing an insert film (300) to the inner surface of the outer peripheral edge of the top plate outside the outer periphery of the unit and encapsulating a resin molding containing a desiccant or a humidity control agent ). In addition, insertion of the desiccant or moisture-conditioner-containing resin molded body and the insert film into the mold is performed by an inserter.

実施形態２の打栓タイプの乾燥又は調湿機能を有する蓋材（１００）の構造は、図３に示すように、周壁（１２０）の下端内周面に容器との咬合リング（１２２）を設けた以外は、実施形態１の乾燥又は調湿機能を有する蓋材と同様である。   As shown in FIG. 3, the structure of the stopper (100) having a dampening-type drying or humidity control function according to the second embodiment has an occlusal ring (122) with a container on the inner peripheral surface of the lower end of the peripheral wall (120). Except for being provided, it is the same as the lid member having the drying or humidity control function of the first embodiment.

実施形態３のヒンジ蓋タイプの乾燥又は調湿機能を有する蓋材（５００）の構造は、図４に示すように、本体部（５１０）の周壁（５１１）の上端縁部に、ヒンジ部（５３０）を介して蓋部（５２０）が開閉可能に接続するものであり、本体部の下端内周面に容器との咬合リング（５１２）を設け、蓋部の天板（５２１）の中央側にスタック兼収容突出部（５２２）を突設し、ヒンジ部の対向側の蓋部の周壁（５２３）外周面の下端に開閉用つまみ（５２４）を設けるものであり、これ以外は、実施形態１の乾燥又は調湿機能を有する蓋材と同様である。   As shown in FIG. 4, the structure of the lid member (500) having a drying or humidity control function of the hinge lid type according to the third embodiment has a hinge part (500) at the upper edge of the peripheral wall (511) of the main body part (510). 530), the lid portion (520) is connected to be openable and closable, an occlusal ring (512) with the container is provided on the inner peripheral surface of the lower end of the main body portion, and the center side of the top plate (521) of the lid portion The stacking / housing protrusion (522) is provided on the bottom, and an opening / closing knob (524) is provided at the lower end of the outer peripheral surface of the peripheral wall (523) of the lid on the opposite side of the hinge. 1 is the same as the lid material having a drying or humidity control function.

本発明の一実施形態の乾燥又は調湿機能を有する蓋材の断面図である。It is sectional drawing of the cover material which has a drying or humidity control function of one Embodiment of this invention. 本発明の乾燥又は調湿機能を有する蓋材の射出成形用金型の構造を示す説明図であり、（ａ）は、型開きした雌型と雄型に、それぞれ乾燥剤又は調湿剤含有樹脂成形体及びインサートフィルムを吸引して挿着した状態を示し、（ｂ）は、型締めして乾燥又は調湿機能を有する蓋材を成形した状態を示す。It is explanatory drawing which shows the structure of the injection mold of the lid | cover material which has a drying or humidity control function of this invention, (a) contains a desiccant or a humidity control agent in the open mold female mold and male mold, respectively. The state which attracted | sucked and inserted the resin molding and the insert film is shown, (b) shows the state which shape | molded the lid | cover material which has clamped and dried or humidity-controlled. 本発明の他の一実施形態の乾燥又は調湿機能を有する蓋材の断面図である。It is sectional drawing of the cover material which has a drying or humidity control function of other one Embodiment of this invention. 本発明の他の一実施形態の乾燥又は調湿機能を有する蓋材の断面図である。It is sectional drawing of the cover material which has a drying or humidity control function of other one Embodiment of this invention.

符号の説明Explanation of symbols

１００，５００……乾燥又は調湿機能を有する蓋材
１１０，５２１……天板
１１１，５２２……スタック兼収容突出部
１２０，５１１，５２３……周壁
１２１……雌ネジ又は係合部
１２２……咬合リング
２００……乾燥剤又は調湿剤含有樹脂成形体
３００……インサートフィルム
４００……射出成形用金型
４１０……雌型
４１１……ゲート
４１２……スタック兼収容突出部形成キャビティ
４１３，４２２……エアー孔
４２１……天板形成キャビティ面
４２３……ストリッパープレート
４２０……雄型
５１０……本体部
５１２……咬合リング
５２０……蓋部
５２４……開閉用つまみ
５３０……ヒンジ部 100, 500... Lid 110, 521... Top plate 111, 522... Stacking and accommodating protrusions 120, 511, 523... ... Occlusal ring 200 ... Desiccant or humidity control resin molded body 300 ... Insert film 400 ... Injection mold 410 ... Female mold 411 ... Gate 412 ... Stack / accommodating protrusion forming cavity 413 422 ... Air hole 421 ... Top plate forming cavity surface 423 ... Stripper plate 420 ... Male mold 510 ... Body part 512 ... Occlusal ring 520 ... Lid part 524 ... Opening / closing knob 530 ... Hinge part

Claims (2)

乾燥又は調湿を必要とする内容物を収納する容器に装着する、天板と、容器との係合部を内周面にもつ周壁とからなる蓋材であって、天板の中央側にスタック兼収容突出部を突設し、このスタック兼収容突出部の内側に、乾燥剤又は調湿剤含有樹脂成形体を熱融着し、かつ、パッキン機能をもつインサートフィルムを、乾燥剤又は調湿剤含有樹脂成形体の下面とスタック兼収容突出部の外周外側の天板外周縁部の内面とに熱融着して、乾燥剤又は調湿剤含有樹脂成形体を封入したことを特徴とする乾燥又は調湿機能を有する蓋材。   A lid made of a top plate and a peripheral wall having an inner peripheral surface with an engagement portion of the container, which is attached to a container for storing contents that require drying or humidity control, and is provided on the center side of the top plate. A stack / housing protrusion is provided, and a desiccant or moisture-conditioner-containing resin molded body is heat-sealed inside the stack / housing protrusion, and an insert film having a packing function is attached to the desiccant or the adjusting film. It is characterized by encapsulating a desiccant or a humidity conditioner-containing resin molded body by heat-sealing to the lower surface of the wetting agent-containing resin molded body and the inner surface of the outer peripheral edge of the top plate outside the outer periphery of the stack and containing protrusion. A lid having a drying or humidity control function. 雌型のスタック兼収容突出部形成キャビティの中心にゲート位置がある射出成形用金型であって、前もって、雌型のスタック兼収容突出部形成キャビティ内に、乾燥剤又は調湿剤含有樹脂成形体をエアー孔により吸引して仮固定し、雄型の天板形成キャビティ面に、インサートフィルムをエアー孔により吸引して仮固定し、型締めして、ゲートより溶融樹脂をキャビティ内へ射出し、溶融樹脂圧力により乾燥剤又は調湿剤含有樹脂成形体を雄型側へ移動させて蓋本体を成形すると同時に、蓋本体のスタック兼収容突出部内に乾燥剤又は調湿剤含有樹脂成形体を熱融着し、かつ、乾燥剤又は調湿剤含有樹脂成形体の下面と蓋本体のスタック兼収容突出部の外周外側の天板外周縁部の内面にインサートフィルムを熱融着して、乾燥剤又は調湿剤含有樹脂成形体を封入したことを特徴とする乾燥又は調湿機能を有する蓋材の製造方法。   A mold for injection molding having a gate position at the center of a female stack / accommodating protrusion forming cavity, and a resin composition containing a desiccant or a humidity control agent is formed in the female stack / accommodating protrusion forming cavity in advance. The body is sucked through the air holes and temporarily fixed, and the insert film is sucked into the male top plate forming cavity surface through the air holes and temporarily fixed, the mold is clamped, and the molten resin is injected into the cavity from the gate. In addition, the lid body is molded by moving the desiccant or humidity-controlling resin molded body to the male mold side by the molten resin pressure, and at the same time, the desiccant or humidity-controlling resin-molded body is placed in the stack and accommodating protrusion of the lid body. It is heat-sealed, and the insert film is heat-sealed to the bottom surface of the desiccant or moisture-conditioner-containing resin molding and the outer surface of the outer peripheral edge of the lid and stacking projection of the lid body, and then dried. Contains an agent or humidity control Method of manufacturing a cover material having a dry or humidity function and wherein the encapsulating resin molding.
JP2004164141A 2004-06-02 2004-06-02 Lid with a drying or humidity control function Expired - Fee Related JP4457757B2 (en)

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