JP4696293B2 - Laminated hose for food - Google Patents
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- JP4696293B2 JP4696293B2 JP2004093943A JP2004093943A JP4696293B2 JP 4696293 B2 JP4696293 B2 JP 4696293B2 JP 2004093943 A JP2004093943 A JP 2004093943A JP 2004093943 A JP2004093943 A JP 2004093943A JP 4696293 B2 JP4696293 B2 JP 4696293B2
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Description
本発明は、例えばカップ式自動販売機、ディスペンサーなどの飲料用として使用するチューブや食品工場などで配管接続されるホースを含むと共に、それ以外に水、薬品、油、溶剤などにも利用可能としたフレキシブルな食品用積層ホースに関する。
詳しくは、エチレン−四フッ化エチレン共重合体からなる第一樹脂層の外側に第二樹脂層と第三樹脂層とを積層した食品用積層ホースに関する。
The present invention is, for example, a cup type automatic vending machine, along with including hoses pipe connection at etc. tube and food factories used for beverages such as dispenser, water otherwise, chemicals, oils, etc. also available solvent The present invention relates to a flexible laminated hose for food.
More specifically, the present invention relates to a laminated hose for food in which a second resin layer and a third resin layer are laminated on the outside of a first resin layer made of an ethylene-tetrafluoroethylene copolymer.
従来、この種の食品用積層ホースとして、四フッ化エチレン−エチレン共重合体からなる第一樹脂層（内層）と、フッ素ゴム−フッ素樹脂ブロック共重合体からなる第二樹脂層（第１中間層）とを共押出しにより同時に成形し、この第二樹脂層の外側表面に接着剤を塗布してグルー層が形成され、次に加熱してグルー層を活性化させ、溶融した軟質ポリ塩化ビニル又は軟質ポリ塩化ビニル系のエラストマーを押し出し成形して第三樹脂層（第２中間層）を形成し、更に、この第三樹脂層の外側表面には、ナイロン繊維などからなる繊維補強層と、軟質ポリ塩化ビニルやオレフィン系エラストマーなどからなる第四樹脂層（外層）を積層したものがある（例えば、特許文献１参照）。 Conventionally, as a laminated hose for food of this kind, a first resin layer (inner layer) made of tetrafluoroethylene-ethylene copolymer and a second resin layer (first intermediate layer made of fluororubber-fluororesin block copolymer) Layer) is simultaneously formed by coextrusion, and an adhesive is applied to the outer surface of the second resin layer to form a glue layer, which is then heated to activate the glue layer and melted soft polyvinyl chloride. Alternatively, a third resin layer (second intermediate layer) is formed by extruding a soft polyvinyl chloride-based elastomer, and further, on the outer surface of the third resin layer, a fiber reinforcing layer made of nylon fiber or the like, There is a laminate in which a fourth resin layer ( outer layer ) made of soft polyvinyl chloride, olefin-based elastomer, or the like is laminated (see, for example, Patent Document 1).
しかし乍ら、このような従来の食品用積層ホースでは、第二樹脂層のフッ素ゴム−フッ素樹脂ブロック共重合体と第三樹脂層の軟質ポリ塩化ビニル又は軟質ポリ塩化ビニル系エラストマーとの接着性が乏しいため、これら両層間に接着剤からなるグルー層を形成しなければならず、その分だけ構造が複雑化して製造に手間がかかるだけでなく、接着剤の塗布量や加熱量が僅かでも不足すると、第二樹脂層と第三樹脂層が剥離し易くなって事故の原因となるという問題があった。
更に、断面円形のホースに、接着剤を均一に塗布することは難しいと共に、この接着剤が塗布されたホース(第二樹脂層)の外周面を均一に加熱することも難しく、その結果、均一な接着効果が得られず、安定した品質が得られないという問題もあった。
また、第一樹脂層及び第二樹脂層にフッ素樹脂を用いているが、フッ素樹脂は硬度が硬く高価なため、ホースは折れ易くて扱い難いと共に極めて高価なホースとなるという問題もあった。
However, in such a conventional laminated hose for food, the adhesion between the fluororubber-fluororesin block copolymer of the second resin layer and the soft polyvinyl chloride or the soft polyvinyl chloride elastomer of the third resin layer. Therefore, it is necessary to form a glue layer between these two layers, which not only complicates the structure and takes time to manufacture, but also requires only a small amount of adhesive applied or heated. If the amount is insufficient, the second resin layer and the third resin layer are easily peeled off, which causes an accident.
Furthermore, it is difficult to uniformly apply an adhesive to a hose having a circular cross section, and it is also difficult to uniformly heat the outer peripheral surface of the hose ( second resin layer) to which this adhesive has been applied. There was also a problem that a stable adhesive quality could not be obtained and a stable quality could not be obtained.
Moreover, although the fluororesin is used for the first resin layer and the second resin layer, since the fluororesin is hard and expensive, there is a problem that the hose is easily broken and difficult to handle and becomes an extremely expensive hose.
本発明のうち請求項１記載の発明は、フッ素樹脂製の第一樹脂層と第二樹脂層及び第三樹脂層とを確実に接着しながら折れ難くて扱い易い安価な食品用積層ホースを提供し、且つ第一樹脂層と第二樹脂層とを更に強固に接着すると共に成形加工の能率向上と更なるコストダウンを図ることを目的としたものである。
請求項３記載の発明は、請求項１または２に記載の発明の目的に加えて、ホース内の目視による食品の衛生管理を容易にすることを目的としたものである。
The invention according to claim 1 of the present invention provides an inexpensive laminated hose for food that is hard to break and easy to handle while securely bonding the first resin layer, the second resin layer, and the third resin layer made of fluororesin. and, and it is intended to achieve efficiency improvement and further cost down of molding with bonding first the resin layer and second resin layer more firmly.
In addition to the object of the invention described in claim 1 or 2, the invention described in claim 3 aims at facilitating hygiene management of food by visual inspection in the hose.
前述した目的を達成するために、本発明のうち請求項１記載の発明は、エチレン−四フッ化エチレン共重合体からなる第一樹脂層の外側に第二樹脂層と第三樹脂層とを積層した食品用積層ホースであって、前記エチレン−四フッ化エチレン共重合体として透明なＥＦＥＰからなる前記第一樹脂層と、ポリアミド系樹脂からなる前記第二樹脂層と、透明なポリウレタン系エラストマーからなる前記第三樹脂層とを三層重ねて共押出しにより同時に成形し、前記第二樹脂層を構成するポリアミド系樹脂として、ヒドロキシ安息香酸アルキル系可塑剤を添加した透明な変性ナイロン１２を用いたことを特徴とするものである。
請求項２記載の発明は、請求項１記載の発明の構成に、前記第三樹脂層の外側表面に網状の繊維補強層を積層した構成を加えたことを特徴とする。
請求項３記載の発明は、請求項１または２記載の発明の構成に、前記第三樹脂層又は前記繊維補強層の外側に、透明な合成樹脂からなる第四樹脂層を積層した構成を加えたことを特徴とする。
In order to achieve the above-described object, the invention according to claim 1 of the present invention includes a second resin layer and a third resin layer outside the first resin layer made of an ethylene-tetrafluoroethylene copolymer. A laminated hose for foods, the first resin layer made of transparent EFEP as the ethylene-tetrafluoroethylene copolymer, the second resin layer made of polyamide resin, and a transparent polyurethane elastomer Three layers of the above-mentioned third resin layer are laminated and simultaneously molded by coextrusion, and transparent modified nylon 12 to which an alkyl hydroxybenzoate plasticizer is added is used as the polyamide resin constituting the second resin layer. It is characterized by the fact that
The invention described in claim 2 is characterized in that a structure in which a net-like fiber reinforcing layer is laminated on the outer surface of the third resin layer is added to the structure of the invention described in claim 1.
According to a third aspect of the present invention, a configuration in which a fourth resin layer made of a transparent synthetic resin is laminated on the outside of the third resin layer or the fiber reinforcing layer is added to the configuration of the first or second aspect of the invention. It is characterized by that.
本発明のうち請求項１記載の発明は、エチレン−四フッ化エチレン共重合体としてＥＦＥＰからなる第一樹脂層と、ポリアミド系樹脂からなる第二樹脂層と、ポリウレタン系エラストマーとしてヒドロキシ安息香酸アルキル系可塑剤を添加した変性ナイロン１２からなる第三樹脂層とを三層重ねて共押出し成形することにより、第一樹脂層と第二樹脂層の接着性が高くなって両層間に十分な接着強度が得られ、更に第二樹脂層のポリアミド系樹脂と相溶性が良いから両層間に十分な接着強度が得られると共にホース全体の可撓性及び物性強度が高まる。
特に、内層を構成するポリアミド系樹脂として、ヒドロキシ安息香酸アルキル系可塑剤を添加した変性ナイロン１２を用いたので、更に接着性と可撓性が向上する。
従って、フッ素樹脂製の第一樹脂層と第二樹脂層及び第三樹脂層とを確実に接着しながら折れ難くて扱い易い安価な食品用積層ホースを提供することができる。
その結果、第一樹脂層と第二樹脂層にフッ素樹脂を用いて接着性が乏しいため両層間に接着剤からなるグルー層が必要な従来のものに比べ、簡単な構造で容易に製造でき、安定した品質が得られ、しかも剥離による事故を防止できて信頼性が大幅に向上すると共に、配管接続が行い易くて使用勝手が良い。
また第三樹脂層として、ポリ炭酸エステル系か又はカプロ系のポリウレタン系エラストマーを用いれば、ホース全体の耐熱性が向上する。
さらに加えて、第一樹脂層の構成材料としてＥＦＥＰを用いたので、第二樹脂層のポリアミド系樹脂との接着性及び低温加工性が更に向上する。
従って、第一樹脂層と第二樹脂層とを更に強固に接着ことができると共に成形加工の能率向上と更なるコストダウンを図ることができる。
Among the present inventions, the invention described in claim 1 includes a first resin layer made of EFEP as an ethylene-tetrafluoroethylene copolymer, a second resin layer made of a polyamide resin, and an alkyl hydroxybenzoate as a polyurethane elastomer. Adhesiveness between the first resin layer and the second resin layer is increased by three layers of the third resin layer made of modified nylon 12 to which a plasticizer is added. strength is obtained, further the flexibility and properties strength of the entire hose with sufficient adhesion strength between the two layers from a polyamide resin and compatibility with the second resin layer may be obtained is increased.
Particularly, since the modified nylon 12 to which an alkyl hydroxybenzoate plasticizer is added is used as the polyamide resin constituting the inner layer, the adhesion and flexibility are further improved.
Therefore, it is possible to provide an inexpensive laminated hose for food that is hard to break and easy to handle while securely bonding the first resin layer, the second resin layer, and the third resin layer made of fluororesin.
As a result, the first resin layer and the second resin layer can be easily manufactured with a simple structure compared to the conventional one that requires a glue layer made of an adhesive between both layers because of poor adhesion using a fluororesin, Stable quality is obtained, accidents due to peeling can be prevented, reliability is greatly improved, and piping connection is easy to use, making it easy to use.
Further, if a polycarbonate ester type or capro type polyurethane elastomer is used as the third resin layer, the heat resistance of the entire hose is improved.
In addition, since EFEP is used as the constituent material of the first resin layer, the adhesion of the second resin layer to the polyamide resin and the low temperature workability are further improved.
Therefore, the first resin layer and the second resin layer can be bonded more firmly, and the efficiency of the molding process can be improved and the cost can be further reduced.
請求項３の発明は、請求項１または２の発明の効果に加えて、第三樹脂層又は繊維補強層の外側に、透明な合成樹脂からなる第四樹脂層を積層することにより、第一樹脂層及び第二樹脂層と第三樹脂層が透明なので、極めて透明性の良いホースとなる。
従って、ホース内の目視による食品の衛生管理を容易にすることができる。
A third aspect of the present invention, in addition to the effect of the invention according to claim 1 or 2, the outer side of the third resin layer or fiber reinforced layer, by laminating a fourth resin layer formed of a transparent synthetic resin, the first Since the resin layer, the second resin layer, and the third resin layer are transparent, the hose has extremely good transparency.
Therefore, hygiene management of food by visual inspection in the hose can be facilitated.
以下、本発明の一実施例を図面に基づいて説明する。
この実施例は、図１に示す如く、本発明の食品用積層ホースＡが、エチレン−四フッ化エチレン共重合体（以下ＥＴＦＥという）からなる第一樹脂層（最内層）１と、ポリアミド系樹脂からなる第二樹脂層（内層）２と、ポリウレタン系エラストマーからなる第三樹脂層（中間層）３とを三層重ねて共押出しにより同時に成形し、この第三樹脂層３の外側表面に、網状の繊維補強層４と、透明な合成樹脂からなる第四樹脂層（外層）５を積層したものである。
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
In this embodiment, as shown in FIG. 1, the laminated hose A for food according to the present invention comprises a first resin layer ( innermost layer ) 1 made of an ethylene-tetrafluoroethylene copolymer (hereinafter referred to as ETFE ), and a polyamide system. Three layers of a second resin layer ( inner layer ) 2 made of resin and a third resin layer ( intermediate layer ) 3 made of polyurethane elastomer are stacked and co-extruded at the same time, and are formed on the outer surface of the third resin layer 3. A net-like fiber reinforcing layer 4 and a fourth resin layer ( outer layer ) 5 made of a transparent synthetic resin are laminated.
上記第一樹脂層１を構成するＥＴＦＥは、硬度が硬く高価なため、後述する第二樹脂層２と共押出し成形することで可能な限り肉厚を薄くすることが望ましい。
特にＥＴＦＥとして、ＥＦＥＰ（ダイキン工業株式会社製の「ネオフロン（登録商標）ＥＦＥＰ ＲＰ−５０００又はＲＰ−４０００系」）を用いれば、従来から一般的に使用されているＥＴＦＥの特徴である優れた耐薬品性、非粘着性、電気絶縁性、耐候性に加えて、ポリアミド系樹脂などと共押出し成形した場合においても強固な接着性を付与すると共に、その融点が１９５℃以下と低いために低温環境で共押出し成形が可能となり、しかも光透過性がＲＰ−４０００系で約３０％以上に向上して透明性に優れる。
Since ETFE constituting the first resin layer 1 is hard and expensive, it is desirable to make the thickness as thin as possible by co-extrusion molding with the second resin layer 2 described later.
In particular, as ETFE, if EFEP ("Neofluon (registered trademark) EFEP RP-5000 or RP-4000 series" manufactured by Daikin Industries, Ltd.) is used, it has excellent resistance to ETFE that has been generally used. In addition to chemical properties, non-adhesiveness, electrical insulation, and weather resistance, it also provides strong adhesion even when co-extrusion molding with polyamide resin, etc., and has a low melting point of 195 ° C or lower, so it has a low temperature environment. Co-extrusion molding becomes possible, and the light transmission is improved to about 30% or more in the RP-4000 system, and the transparency is excellent.
上記第二樹脂層２を構成するポリアミド系樹脂としては、上記第一樹脂層１のＥＴＦＥとの接着性を高めるにはナイロン１２が望ましく、特にヒドロキシ安息香酸アルキル系可塑剤を添加した変性ナイロン１２（ダイセル・デグサ株式会社製の「ダイアミド（商品名）：ポリアミド１２樹脂」）を用いれば、更に接着性と可撓性が向上する。 As the polyamide resin constituting the second resin layer 2, nylon 12 is desirable for improving the adhesion of the first resin layer 1 to ETFE, and particularly modified nylon 12 to which an alkyl hydroxybenzoate plasticizer is added. Adhesion and flexibility can be further improved by using “Daiamide (trade name): Polyamide 12 resin” manufactured by Daicel Degussa Co., Ltd.
上記第三樹脂層３としては、第二樹脂層２のポリアミド系樹脂と相溶性が良く、しかも可撓性及び物性強度が高いポリウレタン系エラストマーを用い、また耐熱性が要求される場合は、ポリ炭酸エステル系か又はカプロ系のポリウレタン系エラストマーを選択すれば、ホース全体の耐熱性が向上する。 As the third resin layer 3, a polyurethane elastomer having good compatibility with the polyamide resin of the second resin layer 2 and having high flexibility and physical property strength is used. If a carbonate-based or capro-based polyurethane elastomer is selected, the heat resistance of the entire hose is improved.
そして、前記繊維補強層４としては、例えばポリエステル繊維やナイロン繊維などの合成樹脂製繊維、又は例えばステンレス繊維などの金属製繊維、又はそれ以外の材質で形成した繊維を、上記第三樹脂層３の外側表面に沿って網状に巻き付けることにより構成される。 As the fiber reinforcing layer 4, for example, synthetic resin fibers such as polyester fibers and nylon fibers, metal fibers such as stainless fibers, or fibers formed of other materials are used as the third resin layer 3. It is comprised by winding in mesh shape along the outer surface.
図示例では、例えば１０００〜１５００デニールのポリエステル繊維を複数本夫々等間隔毎に螺旋状に巻き付けているが、これに限定されず、例えば第三樹脂層３の外側表面に沿って、複数本の繊維を周方向へ等間隔毎に配置するなど他の配置でも良い。
また、第三樹脂層３の外側表面に沿って、金属鋼線や硬質樹脂線材か或いはモノフィラメントなどを、螺旋状に巻き付けて一体化しても良い。
In the illustrated example, for example, a plurality of 1000 to 1500 denier polyester fibers are spirally wound at equal intervals, but the present invention is not limited to this. For example, a plurality of polyester fibers are formed along the outer surface of the third resin layer 3. Other arrangements such as arranging the fibers at regular intervals in the circumferential direction may be used.
Further, along the outer surface of the third resin layer 3, a metal steel wire, a hard resin wire, a monofilament, or the like may be spirally wound to be integrated.
更に、前記第四樹脂層５を構成する透明な合成樹脂としては、例えば軟質塩化ビニルや第三樹脂層３と同じポリウレタン系エラストマーなどの安価な汎用樹脂を用いる。
Further, as the transparent synthetic resin constituting the
次に、斯かる食品用積層ホースＡの作用について説明する。
先ず、ＥＴＦＥからなる第一樹脂層１の外側に、ポリアミド系樹脂からなる第二樹脂層２を共押出し成形したため、第一樹脂層１と第二樹脂層２の接着性が高くなって両層間に十分な接着強度が得られ、この第二樹脂層２の外側に、ポリウレタン系エラストマーからなる第三樹脂層３を共押出し成形したため、第二樹脂層２のポリアミド系樹脂と相溶性が良いから両層間に十分な接着強度が得られると共に、食品用積層ホースＡ全体の可撓性及び物性強度が高まる。
その結果、フッ素樹脂製の第一樹脂層１と第二樹脂層２及び第三樹脂層３とを確実に接着しながら折れ難くて扱い易く、しかも安価に製造できる。
Next, the operation of the food laminated hose A will be described.
First, since the second resin layer 2 made of polyamide resin was coextruded on the outside of the first resin layer 1 made of ETFE, the adhesiveness between the first resin layer 1 and the second resin layer 2 was increased, and both layers were sufficient adhesive strength is obtained, the outside of the second resin layer 2, because of the co-extruded third resin layer 3 consisting of polyurethane elastomer, because a polyamide resin and compatibility with the second resin layer 2 is better Adequate adhesive strength can be obtained between the two layers, and the flexibility and physical strength of the entire laminated hose A for food can be increased.
As a result, the first resin layer 1 made of a fluororesin, the second resin layer 2 and the third resin layer 3 can be easily handled while being securely bonded and inexpensively manufactured.
更に本実施例の場合には、第一樹脂層１の構成材料としてＥＦＥＰ（ダイキン工業株式会社製の「ネオフロン（登録商標）ＥＦＥＰ ＲＰ−５０００又はＲＰ−４０００系」）を用いたため、第二樹脂層２のポリアミド系樹脂との接着性及び低温加工性が更に向上して、第一樹脂層１と第二樹脂層２とを更に強固に接着できると共に、成形加工の能率向上と更なるコストタウンが図れるという利点がある。 Further, in the case of the present example, EFEP (“Neofluon (registered trademark) EFEP RP-5000 or RP-4000 series” manufactured by Daikin Industries, Ltd.) was used as the constituent material of the first resin layer 1, and therefore the second resin. The adhesion of the layer 2 with the polyamide resin and the low temperature processability are further improved, and the first resin layer 1 and the second resin layer 2 can be more firmly bonded, and the efficiency of the molding process is improved and the cost town is further increased. There is an advantage that can be achieved.
また、第三樹脂層３の外側表面に網状の繊維補強層４を積層したため、耐圧性能が高まって、折れ難く可撓性のある耐圧ホースを提供できるという利点がある。 Moreover, since the net-like fiber reinforcement layer 4 is laminated on the outer surface of the third resin layer 3, there is an advantage that the pressure resistance performance is enhanced and a flexible pressure resistance hose that is difficult to break can be provided.
また更に、第三樹脂層３の外側に透明な合成樹脂からなる第四樹脂層５を積層したため、第一樹脂層１及び第二樹脂層２と第三樹脂層３が透明なので、極めて透明性の良い食品用積層ホースＡとなるので、該ホース内の目視による食品の衛生管理を容易にできるという利点がある。
Furthermore, since the
尚、前示実施例では、中間層３の外側表面に、網状の繊維補強層４と透明な合成樹脂からなる外層５を積層したが、これに限定されず、繊維補強層４を抜いて外層５を積層したり、不透明な合成樹脂からなる外層５を積層するなど、他の構造であっても良い。
In the embodiment shown above , the net-like fiber reinforcement layer 4 and the
Ａ 食品用積層ホース １ 第一樹脂層
２ 第二樹脂層 ３ 第三樹脂層
４ 補強繊維層 ５ 第四樹脂層
A Laminated hose for food 1 First resin layer 2 Second resin layer 3 Third resin layer 4 Reinforcing
Claims (3)
前記エチレン−四フッ化エチレン共重合体として透明なＥＦＥＰからなる前記第一樹脂層（１）と、ポリアミド系樹脂からなる前記第二樹脂層（２）と、透明なポリウレタン系エラストマーからなる前記第三樹脂層（３）とを三層重ねて共押出しにより同時に成形し、前記第二樹脂層（２）を構成するポリアミド系樹脂として、ヒドロキシ安息香酸アルキル系可塑剤を添加した透明な変性ナイロン１２を用いたことを特徴とする食品用積層ホース。 Ethylene - a food grade laminate hose second resin layer and (2) a third resin layer (3) laminated on the outer side of the first resin layer formed of tetrafluoroethylene copolymer (1),
The first resin layer (1) made of transparent EFEP as the ethylene-tetrafluoroethylene copolymer, the second resin layer (2) made of a polyamide resin, and the first resin layer made of a transparent polyurethane elastomer. Three modified resin layers (3) are laminated and molded simultaneously by coextrusion, and a transparent modified nylon 12 to which an alkyl hydroxybenzoate plasticizer is added as a polyamide resin constituting the second resin layer (2). A laminated hose for foods, characterized in that it is used.
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| JP2004093943A JP4696293B2 (en) | 2004-03-29 | 2004-03-29 | Laminated hose for food |
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| JP2004093943A JP4696293B2 (en) | 2004-03-29 | 2004-03-29 | Laminated hose for food |
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| JP2005282630A JP2005282630A (en) | 2005-10-13 |
| JP2005282630A5 JP2005282630A5 (en) | 2007-11-22 |
| JP4696293B2 true JP4696293B2 (en) | 2011-06-08 |
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| JP7289575B1 (en) | 2022-10-25 | 2023-06-12 | 株式会社トヨックス | flexible tube |
| WO2024089822A1 (en) | 2022-10-25 | 2024-05-02 | 株式会社トヨックス | Flexible tube |
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| JP4920383B2 (en) * | 2006-11-24 | 2012-04-18 | ブリヂストンフローテック株式会社 | Multilayer tube |
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| CN107504286A (en) * | 2017-10-07 | 2017-12-22 | 江苏捷通管业科技有限公司 | A kind of new pvc pipe |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2786903B2 (en) * | 1989-10-18 | 1998-08-13 | 三洋電機株式会社 | Flexible tube for beverage |
| JP3419160B2 (en) * | 1994-08-09 | 2003-06-23 | 東海ゴム工業株式会社 | Fuel hose and resin composition used therefor |
| JP3117931B2 (en) * | 1997-04-16 | 2000-12-18 | 株式会社八興 | Laminated tube |
| KR100679899B1 (en) * | 2000-02-10 | 2007-02-07 | 다이낑 고오교 가부시키가이샤 | Resin laminate |
| JP2003084519A (en) * | 2001-09-13 | 2003-03-19 | Daikin Ind Ltd | Fluorine composition for extrusion molding, method for producing molded article for photosensitive section, and molded article for photosensitive section |
| JP2003097771A (en) * | 2001-09-27 | 2003-04-03 | Toyox Co Ltd | Pressure-resistant hose for beverage supply equipment |
| US20030109646A1 (en) * | 2001-11-21 | 2003-06-12 | Daikin Institute Of Advanced Chemistry And Technology | Resin composition and method of producing shaped articles |
-
2004
- 2004-03-29 JP JP2004093943A patent/JP4696293B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7289575B1 (en) | 2022-10-25 | 2023-06-12 | 株式会社トヨックス | flexible tube |
| WO2024089822A1 (en) | 2022-10-25 | 2024-05-02 | 株式会社トヨックス | Flexible tube |
| JP2024062455A (en) * | 2022-10-25 | 2024-05-10 | 株式会社トヨックス | Flexible Tube |
| US12085195B2 (en) | 2022-10-25 | 2024-09-10 | Toyox Co., Ltd. | Flexible tube |
| KR20250092170A (en) | 2022-10-25 | 2025-06-23 | 가부시키가이샤 토욕스 | Gayogwan |
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| JP2005282630A (en) | 2005-10-13 |
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