JPH09175503A - Heat-seal head - Google Patents
Heat-seal headInfo
- Publication number
- JPH09175503A JPH09175503A JP33694895A JP33694895A JPH09175503A JP H09175503 A JPH09175503 A JP H09175503A JP 33694895 A JP33694895 A JP 33694895A JP 33694895 A JP33694895 A JP 33694895A JP H09175503 A JPH09175503 A JP H09175503A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- sealing
- container
- edge
- mouth
- 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
- Closing Of Containers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、片面にイージーピ
ール性の有るヒートシールを達成するヒートシール層を
有するシート状の封蓋部材を合成樹脂製容器の口部の縁
にヒートシールするためのヒートシールヘッドの改良に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet-like sealing lid member having a heat-sealing layer for achieving heat-sealing having an easy peeling property on one side, which is heat-sealed to an edge of a mouth of a synthetic resin container. The present invention relates to improvement of a heat seal head.
【０００２】[0002]
【従来の技術】周知のように、食品、薬品等を包装する
ために合成樹脂製の容器が使用されている。そして、被
包装物が湿気を嫌うものや揮発性のもの等である場合に
は容器の口部にシート状の封蓋部材をヒートシールして
容器を密閉している。この封蓋部材は片面に熱可塑性樹
脂からなるヒートシール層を有しており、反対側の面を
ヒートシールヘッドで押圧加熱することにより容器の口
部の縁にヒートシールされる。ヒートシールされた封蓋
部材は接着力が強く、容器から剥離しにくいという問題
があり、近年、接着力の弱いイージーピール性のヒート
シール層を有する封蓋部材が開発され、使用されてい
る。2. Description of the Related Art As is well known, containers made of synthetic resin are used for packaging foods, medicines and the like. When the object to be packaged does not like moisture or is volatile, a sheet-like lid member is heat-sealed at the mouth of the container to seal the container. This sealing member has a heat-sealing layer made of a thermoplastic resin on one side, and is heat-sealed to the edge of the mouth of the container by pressing and heating the opposite side with a heat-sealing head. The heat-sealed lid member has a problem that it has a strong adhesive force and is difficult to be peeled from the container. In recent years, a lid member having an easy peel heat seal layer having a weak adhesive force has been developed and used.
【０００３】[0003]
【発明が解決しようとする課題】ところで、容器の口部
の縁には成形時のひけ等によって０．１〜０．５ｍｍ程
度の範囲で凹凸が生じている場合があり、ヒートシール
ヘッドの押圧面は平坦で硬いため、封蓋部材のヒートシ
ール層が容器の口部の縁に密着せず、シールむらが生
じ、シール不良となったり、部分的に強シールとなって
イージーピール性が損なわれることがある。By the way, the edge of the mouth of the container may have irregularities in the range of about 0.1 to 0.5 mm due to sink marks during molding. Since the surface is flat and hard, the heat-sealing layer of the sealing member does not adhere to the edge of the container mouth, resulting in uneven sealing, resulting in poor sealing, or partial strong sealing, impairing easy peeling. May be
【０００４】この問題を解消するために、封蓋部材の
ヒートシール層を厚くして溶融した樹脂によって凹部を
埋める、シール圧を高くして容器の口部の縁を強制的
に溶融させてシールする、容器成形後、オフライン機
によるカットや研磨加工等により容器口部の縁を平滑に
する、等の対策が考えられた。しかし、の場合には材
料費が増加し、の場合には加工装置、作業行程が増加
するためコスト高になるという問題があり、の場合に
は封蓋部材が容器に強くシールされ、イージーピール性
が損なわれるという問題がある。In order to solve this problem, the heat-sealing layer of the sealing member is thickened to fill the recess with the molten resin, and the sealing pressure is increased to forcibly melt the edge of the container to seal the container. After forming the container, measures such as smoothing the edge of the container opening by cutting with an off-line machine or polishing are considered. However, in the case of, the material cost increases, and in the case of, there is a problem that the cost increases due to the increase of the processing equipment and the work process. In the case of, the sealing member is strongly sealed to the container, and the easy peeling occurs. There is a problem that the sex is impaired.
【０００５】本発明は上記のような事情に鑑みて創案さ
れたものであって、その目的は、片面にイージーピール
性の有るヒートシールを達成するヒートシール層を有す
るシート状の封蓋部材を、合成樹脂製容器の口部の縁
に、イージーピール性を損なわずに確実に安定してヒー
トシールすることができるヒートシールヘッドを提供す
ることにある。The present invention was devised in view of the above circumstances, and an object thereof is to provide a sheet-like sealing lid member having a heat-sealing layer for achieving heat-sealing with easy peeling on one surface. An object of the present invention is to provide a heat-sealing head capable of reliably and stably performing heat-sealing on the edge of the mouth of a synthetic resin container without impairing the easy peeling property.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、片面にイージーピール性の有るヒートシ
ールを達成するヒートシール層を有するシート状の封蓋
部材を合成樹脂製容器の口部の縁にヒートシールするた
めのヒートシールヘッドであって、ヒータが接続される
ヒータブロックと、このヒータブロック上に直接または
介在物を介して設けられ、前記封蓋部材を前記容器の口
部の縁に押圧するとともに前記ヒータの熱を前記封蓋部
材に伝達してヒートシールを行う弾性部材とを備えたこ
とを特徴とするものである。In order to achieve the above object, the present invention provides a sheet-like lid member having a heat-sealing layer for achieving heat-sealing with easy peeling on one surface of a synthetic resin container. A heat-sealing head for heat-sealing to an edge of a mouth part, which is provided with a heater block to which a heater is connected, and which is provided on the heater block directly or through an intervening member, and which seals the lid member to the mouth of the container. An elastic member that presses against the edge of the portion and transfers the heat of the heater to the lid member to perform heat sealing is provided.
【０００７】なお、前記弾性部材における前記容器の口
部の縁を押圧する部分によって囲まれた領域に孔を設け
てもよい。このようにすると、弾性部材が封蓋部材を容
器の口部の縁に押圧する際にスムーズに弾性変形し、弾
性部材における容器の口部の縁を押圧する部分にかかる
負担が軽減されるので、この部分が傷みにくくなり、弾
性部材の耐久性が向上するととともに、ヒートシール圧
の経時変化が少なくなり、安定したヒートシールを行う
ことができる。特に、弾性部材がヒートシールヘッドま
たは介在物に設けられた凹部に埋設されていて、この凹
部の内周壁に弾性部材の外周が密着しているときには有
効である。A hole may be provided in a region surrounded by a portion of the elastic member that presses the edge of the mouth of the container. With this configuration, when the elastic member presses the sealing member against the edge of the mouth of the container, the elastic member is smoothly elastically deformed, and the burden on the portion of the elastic member that presses the edge of the mouth of the container is reduced. This portion is less likely to be damaged, the durability of the elastic member is improved, the change in heat sealing pressure with time is reduced, and stable heat sealing can be performed. In particular, it is effective when the elastic member is embedded in the recess provided in the heat seal head or the inclusion and the outer peripheral surface of the elastic member is in close contact with the inner peripheral wall of the recess.
【０００８】また、前記介在物を前記ヒータブロックに
着脱可能にしてもよい。このようにすると、介在物を交
換することにより弾性部材を交換することができるの
で、弾性部材の交換の際にヒータブロックをヒートシー
ラに着脱する作業やヒータブロックにヒータを着脱する
作業が不要となる。The inclusions may be detachable from the heater block. With this configuration, the elastic member can be replaced by replacing the inclusions, so that the work of attaching / detaching the heater block to / from the heat sealer or the work of attaching / detaching the heater to / from the heater block is not necessary when the elastic member is exchanged. .
【０００９】[0009]
【発明の実施の形態】以下、本発明の具体的な実施形態
を図面を参照しながら説明する。図１は本発明の一実施
形態であるヒートシールヘッドの平面図、図２は図１の
Ａ−Ａ’線矢視図、図３は図１のヒートシールヘッドに
よってヒートシールされる容器の正面図である。図１、
２に示すように、ヒートシールヘッド１は、ヒータブロ
ック２と、このヒータブロック２の下端に取り付けられ
たアタッチメント３と、このアタッチメント３の下面に
設けられた弾性部材４とを備えている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. 1 is a plan view of a heat seal head according to an embodiment of the present invention, FIG. 2 is a view taken along the line AA ′ of FIG. 1, and FIG. 3 is a front view of a container heat-sealed by the heat seal head of FIG. It is a figure. Figure 1,
As shown in FIG. 2, the heat seal head 1 includes a heater block 2, an attachment 3 attached to the lower end of the heater block 2, and an elastic member 4 provided on the lower surface of the attachment 3.
【００１０】ヒータブロック２はアルミニウムからな
り、円盤状の基部５と、この基部５の下面中央部に形成
された垂直下方に延びる円柱状の直軸部６とからなって
いる。直軸部６の周囲には基部５を垂直方向に貫通する
四個の取付孔７が設けられており、ヒートシールヘッド
１はこの取付孔７を介してヒートシーラの移動機構に取
り付けられ、図２の上下方向に移動する。また、ヒート
シールヘッド１は基部５と直軸部６を垂直方向に貫通す
る吸引孔８を有しており、この吸引孔８の上端はサクシ
ョン装置に接続される。The heater block 2 is made of aluminum and has a disk-shaped base portion 5 and a columnar straight shaft portion 6 formed in the center of the lower surface of the base portion 5 and extending vertically downward. Two mounting holes 7 are provided around the straight shaft portion 6 so as to penetrate the base portion 5 in the vertical direction. The heat seal head 1 is mounted on the heat sealer moving mechanism through the mounting holes 7 as shown in FIG. Move up and down. Further, the heat seal head 1 has a suction hole 8 penetrating the base portion 5 and the straight shaft portion 6 in the vertical direction, and the upper end of the suction hole 8 is connected to a suction device.
【００１１】基部５の外周部には水平方向に延びるヒー
タ挿入孔９が穿設されており、このヒータ挿入孔９に挿
入されたヒータを約２３０℃に設定すると、その熱はヒ
ータブロック２、アタッチメント３を介して弾性部材４
に伝えられ、弾性部材４の表面が約２００℃になる。ま
た、基部５の外周部にはヒータ挿入孔９と平行に延びる
熱電対挿入孔１０が穿設されており、この熱電対挿入孔
１０に挿入される熱電対によってヒータブロック２の温
度が測定され、この熱電対の出力に基づいて図示しない
制御装置がヒータの温度制御を行う。A heater insertion hole 9 extending in the horizontal direction is formed in the outer peripheral portion of the base portion 5. When the heater inserted in the heater insertion hole 9 is set to about 230 ° C., the heat is generated by the heater block 2. Elastic member 4 through attachment 3
Then, the surface of the elastic member 4 reaches about 200 ° C. Further, a thermocouple insertion hole 10 extending parallel to the heater insertion hole 9 is formed in the outer peripheral portion of the base portion 5, and the temperature of the heater block 2 is measured by the thermocouple inserted into the thermocouple insertion hole 10. A controller (not shown) controls the temperature of the heater based on the output of the thermocouple.
【００１２】アタッチメント３はアルミニウムからなる
有底円筒状のもので、内面にヒータブロック２の直軸部
６の外周面に刻設された雄ネジ６ａに螺合する雌ネジ３
ａが刻設されており、中心軸線のまわりに回転させるこ
とにより直軸部６に着脱することができる。アタッチメ
ント３の底壁にはヒータブロック２の吸引孔８に連通す
る貫通孔１１が形成されている。The attachment 3 is made of aluminum and has a cylindrical shape with a bottom, and a female screw 3 which is screwed onto a male screw 6a formed on the outer peripheral surface of the straight shaft portion 6 of the heater block 2 on the inner surface thereof.
a is engraved, and can be attached to and detached from the straight shaft portion 6 by rotating it around the central axis. A through hole 11 communicating with the suction hole 8 of the heater block 2 is formed in the bottom wall of the attachment 3.
【００１３】弾性部材４は耐熱配合を行った赤シリコン
ゴム（連続使用時の耐熱温度は３００℃）からなる厚さ
１ｍｍのワッシャ状のもので、アタッチメント３の下面
に形成された円形の凹部１２に下部が突出するように埋
設されている。弾性部材４は中央部にアタッチメント３
の貫通孔１１に整合する円形の孔４ａを有しており、こ
の孔４ａの直径は後述する容器１４の口部１５の内径よ
り小さくなっている。また、弾性部材４の外径は口部１
５の外径より大きくなっている。The elastic member 4 is a washer-shaped member having a thickness of 1 mm made of heat-resistant compounded red silicon rubber (heat-resistant temperature during continuous use is 300 ° C.), and is a circular recess 12 formed on the lower surface of the attachment 3. It is buried so that the lower part protrudes. The elastic member 4 has an attachment 3 at the center.
It has a circular hole 4a aligned with the through hole 11 and the diameter of this hole 4a is smaller than the inner diameter of the mouth 15 of the container 14 described later. Further, the outer diameter of the elastic member 4 is the mouth portion 1.
It is larger than the outer diameter of 5.
【００１４】サクション装置が動作すると弾性部材４の
孔４ａの周辺の空気が孔４ａ内に吸入され、この空気は
アタッチメント３の貫通孔１１、ヒータブロック２の吸
引孔８を通ってサクション装置に吸入される。これによ
り、後述する封蓋部材１３を弾性部材４の下面に吸着す
ることができる。When the suction device operates, air around the hole 4a of the elastic member 4 is sucked into the hole 4a, and this air is sucked into the suction device through the through hole 11 of the attachment 3 and the suction hole 8 of the heater block 2. To be done. Thereby, the lid member 13 described later can be adsorbed to the lower surface of the elastic member 4.
【００１５】封蓋部材１３は厚さ１５μｍのアルミニウ
ム箔の片面に厚さ５０μｍの低密度ポリエチレン（ＬＤ
ＰＥ）の層を積層してなる帯状の基材シートの低密度ポ
リエチレン側の面に、エチレン−酢酸ビニル共重合体
（ＥＶＡ）とポリエチレンを混合してなる厚さ２５μｍ
のイージーピール性の有るヒートシール層を積層したも
ので、図示しない封蓋部材供給装置によって一定の長さ
にカットされ、ヒートシールヘッド１に供給される。The lid member 13 is made of a low-density polyethylene (LD) having a thickness of 50 μm on one side of an aluminum foil having a thickness of 15 μm.
PE-layered base material sheet having a low-density polyethylene side surface and a mixture of ethylene-vinyl acetate copolymer (EVA) and polyethylene having a thickness of 25 μm.
Is laminated with a heat seal layer having an easy peeling property, and is cut into a certain length by a sealing member supply device (not shown) and supplied to the heat seal head 1.
【００１６】容器１４は高密度ポリエチレン（ＨＤＰ
Ｅ）からなり、図３に示すように、上部に円筒状の口部
１５を備えた瓶状の容器本体１６と、この容器本体１６
の口部１５に着脱自在に係合する蓋体１７とからなって
いる。The container 14 is made of high density polyethylene (HDP
E) and, as shown in FIG. 3, a bottle-shaped container body 16 having a cylindrical mouth portion 15 at the top, and this container body 16
And a lid body 17 which is detachably engaged with the mouth portion 15.
【００１７】次に、ヒートシールヘッド１の作用につい
て説明する。ヒートシールヘッド１は封蓋部材供給装置
により供給されてきた封蓋部材１３を弾性部材４の下面
に吸着した後、下降して封蓋部材１３を容器１４の口部
１５の縁１５ａに押圧する。縁１５ａに凹凸が有ると弾
性部材４及び封蓋部材１３が縁１５ａの形状に沿って変
形し、封蓋部材１３のヒートシール層が縁１５ａに隙間
無く密着する。そして、弾性部材４の熱が封蓋部材１３
に伝わり、ヒートシール層が溶融して封蓋部材１３が縁
１５ａにヒートシールされる。Next, the operation of the heat seal head 1 will be described. The heat seal head 1 adsorbs the sealing lid member 13 supplied by the sealing lid member supply device to the lower surface of the elastic member 4, and then descends to press the sealing lid member 13 against the edge 15a of the opening 15 of the container 14. . If the edge 15a has irregularities, the elastic member 4 and the sealing lid member 13 are deformed along the shape of the edge 15a, and the heat seal layer of the sealing lid member 13 adheres to the edge 15a without any gap. The heat of the elastic member 4 is applied to the sealing member 13
The heat seal layer is melted and the sealing lid member 13 is heat sealed to the edge 15a.
【００１８】このように、縁１５ａに凹凸があっても弾
性部材４及び封蓋部材１３が変形して封蓋部材１３のヒ
ートシール層が縁１５ａに隙間無く密着するので、シー
ル不良が生じない。また、縁１５ａの凹部と凸部でヒー
トシール圧の差が殆ど無く、凸部でヒートシールが強シ
ールになることがない。したがって、封蓋部材１３をイ
ージーピール性を損なわずに縁１５ａに安定してヒート
シールすることができる。As described above, even if the edge 15a has irregularities, the elastic member 4 and the sealing member 13 are deformed and the heat-sealing layer of the sealing member 13 adheres to the edge 15a without any gap, so that no sealing failure occurs. . Further, there is almost no difference in heat sealing pressure between the concave portion and the convex portion of the edge 15a, and the heat sealing does not become a strong seal at the convex portion. Therefore, the lid member 13 can be stably heat-sealed to the edge 15a without impairing the easy peeling property.
【００１９】なお、この実施形態では、弾性部材４に孔
４ａが設けられているため、弾性部材４が縁１５ａを押
圧する際にスムーズに弾性変形する。したがって、弾性
部材４における縁１５ａを押圧する部分にかかる負担が
軽減され、この部分が傷みにくく、耐久性が高い。ま
た、弾性部材４が傷みにくいため、ヒートシール圧の経
時変化が少なく、安定したヒートシールを行うことがで
きる。In this embodiment, since the hole 4a is provided in the elastic member 4, the elastic member 4 is elastically deformed smoothly when pressing the edge 15a. Therefore, the load on the portion of the elastic member 4 that presses the edge 15a is reduced, this portion is less likely to be damaged, and the durability is high. Further, since the elastic member 4 is less likely to be damaged, the heat sealing pressure hardly changes with time, and stable heat sealing can be performed.
【００２０】また、この実施形態では、弾性部材４がヒ
ータブロック２に着脱可能なアタッチメント３上に設け
られているため、アタッチメント３を交換することによ
り弾性部材４を交換することができる。したがって、弾
性部材４の交換の際にヒータブロック２をヒートシーラ
に着脱する作業やヒータブロック２にヒータを着脱する
作業が不要であり、作業性が非常に良い。Further, in this embodiment, since the elastic member 4 is provided on the attachment 3 which can be attached to and detached from the heater block 2, the elastic member 4 can be exchanged by exchanging the attachment 3. Therefore, the work of attaching and detaching the heater block 2 to and from the heat sealer and the work of attaching and detaching the heater to and from the heater block 2 at the time of exchanging the elastic member 4 are unnecessary, and workability is very good.
【００２１】[0021]
【発明の効果】以上説明したように、請求項１の発明に
よると、容器の口部の縁に凹凸がある場合でも弾性部材
及び封蓋部材が変形して封蓋部材のヒートシール層が容
器の口部の縁に隙間無く密着するので、シール不良が生
じない。また、容器の口部の縁の凹部と凸部でヒートシ
ール圧の差が殆ど無く、ヒートシールが部分的に強シー
ルになることがない。したがって、封蓋部材を、容器の
口部の縁に、イージーピール性を損なわずに確実にしか
も安定してヒートシールすることができる。As described above, according to the first aspect of the invention, even if the edge of the container has irregularities, the elastic member and the lid member are deformed, and the heat seal layer of the lid member is the container. Since it closely adheres to the edge of the mouth without any gap, no sealing failure occurs. Further, there is almost no difference in heat-sealing pressure between the concave portion and the convex portion on the edge of the mouth of the container, and the heat-sealing does not partially become a strong seal. Therefore, the lid member can be heat-sealed securely and stably to the edge of the mouth of the container without impairing the easy peeling property.
【００２２】請求項２の発明によると、弾性部材におけ
る容器の口部の縁を押圧する部分によって囲まれた領域
に孔を設けたことにより、弾性部材が封蓋部材を容器の
口部の縁に押圧する際にスムーズに弾性変形し、弾性部
材における容器の口部の縁を押圧する部分にかかる負担
が軽減されるので、この部分が傷みにくくなり、耐久性
が向上するとともに、ヒートシール圧の経時変化が少な
くなり、安定したヒートシールを行うことができる。According to the second aspect of the present invention, since the hole is provided in the region surrounded by the portion of the elastic member that presses the edge of the container mouth, the elastic member causes the sealing member to move to the edge of the container mouth. When elastically deformed, it is elastically deformed smoothly, and the load on the part of the elastic member that presses the edge of the mouth of the container is reduced, so this part is less likely to be damaged, durability is improved, and heat seal pressure is improved. The change with time is reduced, and stable heat sealing can be performed.
【００２３】請求項３の発明によると、弾性部材をヒー
タブロックに着脱可能な介在物上に設けたことにより、
介在物を交換することにより弾性部材を交換することが
できるので、弾性部材の交換の際にヒータブロックをヒ
ートシーラに着脱する作業やヒータブロックにヒータを
着脱する作業が不要となり、作業性が向上する。According to the third aspect of the present invention, the elastic member is provided on the heater block which is attachable to and detachable from the heater block.
Since the elastic member can be exchanged by exchanging the inclusions, the work of attaching / detaching the heater block to / from the heat sealer and the work of attaching / detaching the heater to / from the heater block are not necessary when exchanging the elastic member, thus improving workability. .
【図面の簡単な説明】[Brief description of the drawings]
【図１】 本発明の一実施形態であるヒートシールヘッ
ドの平面図。FIG. 1 is a plan view of a heat seal head according to an embodiment of the present invention.
【図２】 図１のＡ−Ａ’線矢視図。FIG. 2 is a view taken along the line A-A ′ of FIG.
【図３】 図１のヒートシールヘッドによってヒートシ
ールされる容器の正面図。3 is a front view of a container heat-sealed by the heat-sealing head of FIG.
１ ヒートシールヘッド ２ ヒータブロック ３ アタッチメント（介在物） ４ 弾性部材 １３ 封蓋部材 １４ 容器 １５ 口部 1 Heat Seal Head 2 Heater Block 3 Attachment (Inclusion) 4 Elastic Member 13 Sealing Member 14 Container 15 Mouth
Claims (3)
ールを達成するヒートシール層を有するシート状の封蓋
部材を合成樹脂製容器の口部の縁にヒートシールするた
めのヒートシールヘッドであって、 ヒータが接続されるヒータブロックと、このヒータブロ
ック上に直接または介在物を介して設けられ、前記封蓋
部材を前記容器の口部の縁に押圧するとともに前記ヒー
タの熱を前記封蓋部材に伝達してヒートシールを行う弾
性部材とを備えたことを特徴とするヒートシールヘッ
ド。1. A heat-sealing head for heat-sealing a sheet-shaped sealing lid member having a heat-sealing layer for achieving heat-sealing having an easy peeling property on one side to a rim of a mouth of a synthetic resin container. A heater block to which a heater is connected, and a heater block that is provided on the heater block directly or via an interposition and presses the sealing lid member against the edge of the mouth of the container and heats the heater. A heat-sealing head, comprising:
縁を押圧する部分によって囲まれた領域に孔を設けたこ
とを特徴とする請求項１に記載のヒートシールヘッド。2. The heat seal head according to claim 1, wherein a hole is provided in a region surrounded by a portion of the elastic member that presses an edge of the mouth of the container.
可能であることを特徴とする請求項１に記載のヒートシ
ールヘッド。3. The heat seal head according to claim 1, wherein the inclusion is attachable to and detachable from the heater block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33694895A JPH09175503A (en) | 1995-12-25 | 1995-12-25 | Heat-seal head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33694895A JPH09175503A (en) | 1995-12-25 | 1995-12-25 | Heat-seal head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09175503A true JPH09175503A (en) | 1997-07-08 |
Family
ID=18304107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33694895A Pending JPH09175503A (en) | 1995-12-25 | 1995-12-25 | Heat-seal head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09175503A (en) |
-
1995
- 1995-12-25 JP JP33694895A patent/JPH09175503A/en active Pending
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