JPH0482106B2 - - Google Patents

Info

Publication number
JPH0482106B2
JPH0482106B2 JP62213550A JP21355087A JPH0482106B2 JP H0482106 B2 JPH0482106 B2 JP H0482106B2 JP 62213550 A JP62213550 A JP 62213550A JP 21355087 A JP21355087 A JP 21355087A JP H0482106 B2 JPH0482106 B2 JP H0482106B2
Authority
JP
Japan
Prior art keywords
heat
synthetic resin
manufacturing
container body
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.)
Expired - Lifetime
Application number
JP62213550A
Other languages
English (en)
Other versions
JPS6455226A (en
Inventor
Kazuhiko Sudo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Terumo Corp
Original Assignee
Terumo Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Terumo Corp filed Critical Terumo Corp
Priority to JP62213550A priority Critical patent/JPS6455226A/ja
Publication of JPS6455226A publication Critical patent/JPS6455226A/ja
Publication of JPH0482106B2 publication Critical patent/JPH0482106B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5057—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like positioned between the surfaces to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
    • B29C66/53261—Enclosing tubular articles between substantially flat elements
    • B29C66/53262—Enclosing spouts between the walls of bags, e.g. of medical bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
    • B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7148—Blood bags, medical bags

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は合成樹脂製器具本体、例えば輸液バ
ツク等の軟質合成樹脂容器の本体所定部位に、該
容器本体に対し材質的に熱融着性に乏しい物品を
熱融着により接着する方法に関する。
〔従来の技術〕
医療用の合成樹脂容器、例えば輸血バツグは高
圧蒸気滅菌（通常、115〜121℃で15〜45分間）に
耐え得る耐熱性、および凍結保存にも耐え得る耐
寒性、さらに、適当な透明性、柔軟性、耐水性等
が要求される。そのため、これらの要求に適合す
る材質の選択および処理がおこなわれる。しか
し、これらの点を考慮して形成される合成樹脂容
器本体は、のちに装着される筒状口部材質との熱
融着性との関係では、必らずしも良好なものに限
られるわけではない。
したがつて、この容器本体に対し材質的に熱融
着性に乏しい筒状口部を熱融着により装着する場
合、従来、容器本体と筒状口部の双方に対し熱融
着性を有する合成樹脂からなる接着チユーブを予
め成形しておき、これに上記筒状口部の下端部を
挿入し、ついでこの組立体を上記容器本体の口部
装着予定部に挿入したのち、高周波等により加熱
し、筒状口部を上記接着チユーブを介して容器本
体に一体的に装着する方法が採られていた。
〔発明が解決しようとする問題点〕
しかし、上述の如き従来の口部装着方法によれ
ば、筒状口部のほかに接着チユーブを予め成形し
ておく必要がある。つまり筒状口部と接着チユー
ブの２部品を必要とする。さらに、筒状口部を容
器本体に装着するのに先立ち、接着チユーブを最
初に筒状口部に装着する必要があり、そのための
組立て装置を必要とするなど工程的にも複雑とな
るなどの問題があつた。
この発明は合成樹脂容器本体に対し材質的に熱
融着性に乏しい物品、例えば筒状口部の上記容器
本体への装着工程を、従来の如き接着チユーブ等
を必要とすることなくおこなうことができ、した
がつて工程的に著るしく簡略化することが可能な
合成樹脂容器の製造方法を提供することを目的と
する。
〔問題点を解決するための手段〕
本発明は上記問題点を解決するための手段とし
て、合成樹脂製器具本体の所定部位に、該器具本
体に対し材質的に熱融着性に乏しい物品を熱融着
により接着して合成樹脂製器具を製造する方法に
おいて、 該物品の少なくとも熱融着予定部分の表面に該
器具本体と物品の双方に対し熱融着性を有する接
着層を一体成形により被覆させ、これを上記器具
本体の所定部位に当接し、ついで熱融着すること
を特徴とする合成樹脂製器具の製造方法を採用し
た。
なお、熱融着の手段としては一般に超音波融着
法、加熱圧着法、高周波融着法を用い得る。
〔実施例〕
以下、この発明を図示の実施例を参照して説明
する。
第１図は輸液容器の平面図を示すものであつ
て、軟質合成樹脂製容器本体１と、この容器本体
１の一側縁部に突設された筒状口部２とを具備し
てなる。この容器本体１は例えば厚さ0.5mm前後
のエチレン−酢酸ビニル共重合体（EVA）シー
トを２枚重ね、口部装着予定部を残して周縁部１
ａを熱シールあるいは高周波シールしたものであ
つて、さらに耐熱性、耐寒性を付与させるために
電子線照射により全体的に架橋処理されている。
筒状口部２は第２図に示すように上端開口部に
キヤツプ３を着脱自在に装着し得るようになつて
いる。さらに、その容器本体１との接着部分２ａ
の外側表面には未架橋エチレン−酢酸ビニル共重
合体が接着層４として約0.7mmの厚みを似つて被
覆されていて、これを介して容器本体１の内面と
熱融着されている。なお、筒状口部２自体の材質
としては高密度ポリエチレン、ポリプロピレン等
の未架橋EVAとの熱融着性の良いものが用いら
れる。
この筒状口部２は例えば通常の２色成形法によ
り口部本体２ｂと接着層４とを同時に成形するこ
とができる。例えば芯型と、第１の外側金型とを
用いて、口部本体２ｂ部分を成形したのち、芯型
をそのままにして第１の外側金型を後退させ、第
２の外側金型を前進させて接着層４部分のみ被覆
成形させることにより上記筒状口部２を２色成形
することができる。
この２色成形された筒状口部２はそのまま容器
本体１の口部装着予定部分に挿入され、ついで加
熱圧着あるいは高周波加熱によつて容器本体１に
熱融着される。
なお、接着層４の一体成形法としては２色成形
法以外の方法によつておこなうことも可能であ
る。また、口部本体２ｂに一体成形される接着層
４の厚み、被覆範囲は上記第２の金型寸法を適当
に選ぶことにより任意に調整することができる。
〔発明の効果〕
本発明の一具体例としての口部装着方法によれ
ば従来の如き接着チユーブを別途製造する必要が
なく、その結果、組立部品点数を減らすことがで
き、かつ従来の如く接着チユーブを口部に装着す
る装置、工程も不要となり、製造工程の簡略化を
図ることが可能となる。さらに、容器本体との接
着媒体である接着層は予め口部に一体成形されて
いるから口部の容器本体に対する接着を、より確
実におこなうことができるとともに接着強度の向
上をも図ることが可能となる。
【図面の簡単な説明】
第１図は本発明の方法で製造される輸液容器の
一例を示す平面図、第２図は第１図の輸液容器に
おいて口部のみを取り出して示す断面図である。 図中、１……軟質合成樹脂容器本体、１ａ……
周縁部、２……筒状口部、２ａ……接着部分、２
ｂ……口部本体、３……キヤツプ、４……接着
層。

Claims (1)

  1. 【特許請求の範囲】 １ 合成樹脂製器具本体の所定部位に、該器具本
    体に対し材質的に熱融着性に乏しい物品を熱融着
    により接着して合成樹脂製器具を製造する方法に
    おいて、 該物品の少なくとも熱融着予定部分の表面に該
    器具本体と物品の双方に対し熱融着性を有する接
    着層を一体成形により被覆させ、これを上記器具
    本体の所定部位に当接し、ついで熱融着すること
    を特徴とする合成樹脂製器具の製造方法。 ２ 合成樹脂製器具が輸液容器である特許請求の
    範囲第１項記載の製造方法。 ３ 熱融着を超音波方式でおこなう特許請求の範
    囲第１項記載の製造方法。 ４ 上記一体成形を２色成形法でおこなう特許請
    求の範囲第１項記載の製造方法。
JP62213550A 1987-08-27 1987-08-27 Manufacture of implement made of synthetic resin Granted JPS6455226A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62213550A JPS6455226A (en) 1987-08-27 1987-08-27 Manufacture of implement made of synthetic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62213550A JPS6455226A (en) 1987-08-27 1987-08-27 Manufacture of implement made of synthetic resin

Publications (2)

Publication Number Publication Date
JPS6455226A JPS6455226A (en) 1989-03-02
JPH0482106B2 true JPH0482106B2 (ja) 1992-12-25

Family

ID=16641057

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62213550A Granted JPS6455226A (en) 1987-08-27 1987-08-27 Manufacture of implement made of synthetic resin

Country Status (1)

Country Link
JP (1) JPS6455226A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015009186A (ja) * 2013-06-28 2015-01-19 株式会社キッツマイクロフィルター 中空糸膜モジュール

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU730240B2 (en) * 1996-07-03 2001-03-01 Baxter International Inc. Method of sealing a port tube in a container

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015009186A (ja) * 2013-06-28 2015-01-19 株式会社キッツマイクロフィルター 中空糸膜モジュール

Also Published As

Publication number Publication date
JPS6455226A (en) 1989-03-02

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