JPS6311324A - Preparation of container for chemical solution with hanging attachment - Google Patents

Preparation of container for chemical solution with hanging attachment

Info

Publication number
JPS6311324A
JPS6311324A JP61156986A JP15698686A JPS6311324A JP S6311324 A JPS6311324 A JP S6311324A JP 61156986 A JP61156986 A JP 61156986A JP 15698686 A JP15698686 A JP 15698686A JP S6311324 A JPS6311324 A JP S6311324A
Authority
JP
Japan
Prior art keywords
molding
container
preform
hanger
preformed
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
Application number
JP61156986A
Other languages
Japanese (ja)
Inventor
Yoshihiko Watanabe
渡辺　義彦
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.)
Toyo Seikan Group Holdings Ltd
Original Assignee
Toyo Seikan Kaisha Ltd
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 Toyo Seikan Kaisha Ltd filed Critical Toyo Seikan Kaisha Ltd
Priority to JP61156986A priority Critical patent/JPS6311324A/en
Publication of JPS6311324A publication Critical patent/JPS6311324A/en
Pending 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
    • B29C2949/0772—Closure retaining means
    • B29C2949/0776—Closure retaining means not containing threads
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/078—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the bottom
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/22—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at neck portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/24—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at flange portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/26—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at body portion
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/28—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at bottom portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To prepare economically a container with a hanging device having excellent strength, transparency, etc., by molding monolithically the hanging attachment and a preformed molding of the container and by draw- and blow- molding the preformed molding being adjusted at a defined molding temp. CONSTITUTION:A molding material is injected and packed in a cavity 6 formed between a core mold 2 and an outer mold 4 from an injection molding machine through a gate 8. A preformed main body 10 and a part of a hanging attachment 12 are monolithically molded in this molding process. Then, the preform 6 is longitudinally drawn by a bar for drawing 16 in an axial direction A of the preform clamped between molds 14 for draw- and blow-molding. In parallel or successively with this longitudinal drawing, drawing in a transverse direction is also carried out by blowing a fluid into the preform.

Description

【発明の詳細な説明】 （産業上の利用分野） この発明はプラスチック容器の製造法に関し、より詳細
には、輸液などの薬液用の吊具付きプラスデック容器を
延伸ブロー成形によって製造する方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a method for manufacturing a plastic container, and more particularly, to a method for manufacturing a plus deck container with a hanger for medical solutions such as infusions by stretch blow molding. .

（従来の技術） 輸液などの薬液の製品容器は、医療現場で点滴用容器ど
して使用され、その底部に吊り具を右している。この薬
液用の吊具イ」きプラスチック容器の製造法については
、従来、押出し機より溶融パリソンを押し出し、ただち
に金型ではさんで底部を溶封し同時に吊具部分を成形し
たのら、内部に加圧空気を吹ぎ込／υで成形ザる方法、
また、金型に成形材料を剣出し容器と吊具とを一体成形
り−る方法、さらに容器本体を成形し次いＣ底部に吊具
を接着ざける方法などがある。これらの方法にＪ、つＣ
１輸液等の薬液の容器の底部に吊具を設けることができ
る。(Prior Art) Containers for pharmaceutical solutions such as infusions are used in medical settings as drip containers, and have hanging devices attached to their bottoms. Conventionally, the manufacturing method of this plastic container with a hanger for chemical solutions involves extruding the molten parison from an extruder, immediately sandwiching it between molds, melt-sealing the bottom, molding the hanger at the same time, and then inserting the inside of the container. Method of blowing pressurized air/molding with υ,
Other methods include integrally molding the container and the hanger with a molding material in a mold, and a method of molding the container body and then gluing the hanger to the bottom of the container. J and C for these methods
1. A hanger can be provided at the bottom of a container for a medicinal solution such as an infusion.

（発明が解決しＪ、うとＪる問題点） 従来の吊具付さ容器の製造法では、成形時に分子配向が
不七分であり、従つ（容器本体の強麿、透明性、および
成形品の均一性が必ずしも良好ではなかった。さらに、
容器本体にｉ：１１貝を接着する方法では、吊具部分の
みの成形および本体と吊具部分との接着に余分の工程を
要し製造原価が高くなる問題点がある。(Problems that the invention will solve) In the conventional manufacturing method for containers with hangers, the molecular orientation is uneven during molding. The uniformity of the products was not always good.Furthermore,
The method of gluing i:11 shellfish to the container body has the problem that extra steps are required to mold only the hanger part and to adhere the hanger part to the main body, resulting in high manufacturing costs.

この発明は上述の事情を背題してなされＩＣものであり
、その１」的とするところは、容器の強度、透明性など
の性状にり−ぐれた吊貝伺ぎ容器を経済的に製造り−る
方法を提供することである。This invention was made in view of the above-mentioned circumstances, and its first objective is to economically produce a container for hanging shellfish with excellent properties such as strength and transparency. - to provide a method for

（問題点を解決づるための手段） 本発明者は、神々の方法によって容器を試作して研究し
た結果、射出または押出成形で、底部に吊具を右づ−る
プリフォーム（予備成形体）を成形し、次いで延伸ブロ
ー成形すればこの発明の目的達成に有効であることを見
い出し、この発明を完成するに至った。(Means for Solving the Problems) As a result of making a prototype container using the divine method and researching it, the inventor of the present invention created a preform (preformed body) with a hanger attached to the bottom by injection or extrusion molding. The inventors have discovered that molding and then stretch-blow molding is effective in achieving the object of the present invention, and have completed the present invention.

すなわち、この発明の製造法は、底部に吊具を有する薬
液容器の製造法であって、吊具部分と容器予備成形体と
を一体成形し、得られた予備成形体を所定の成形温度に
調節しく延伸ブロー成形することをｖｊ徴とするもので
ある。That is, the manufacturing method of the present invention is a method for manufacturing a liquid medicine container having a hanger at the bottom, in which the hanger portion and the container preform are integrally molded, and the obtained preform is heated to a predetermined molding temperature. The vj characteristic is controlled stretch blow molding.

以下、この発明をより詳細に説明する。This invention will be explained in more detail below.

この発明の製造法において、成形制別から吊具と容器予
備成形体（プリフオーム）とを一体向に成形りる。この
成形（Ａ斜の熱可塑性樹脂とし゛Ｃ１ボリエヂレンデレ
フタレーＩ〜（Ｐ　Ｅ　Ｔ　）、ポリアクリロニトリル
（ＡＮ＞、ポリプロピレン（ＰＰ）　、ポリ塩化ビニル
、などがある。また、容器にガスバリレー性を与えるた
めに、−［ブレシービニルアルコール共重合体、ポリア
ミド、ポリ塩化ビニリデン零のガスバリヤ−性樹脂と前
記可塑性樹脂との多層構造にすることも可能である。In the manufacturing method of the present invention, the hanger and the container preform are integrally molded due to molding regulations. This molding (A-diagonal thermoplastic resins include C1 polyethylene delphthalate I~ (PET), polyacrylonitrile (AN), polypropylene (PP), polyvinyl chloride, etc.).In addition, gas barrier properties can be added to the container. It is also possible to form a multilayer structure of the above-mentioned plastic resin and a gas-barrier resin containing no Blessy vinyl alcohol copolymer, polyamide, or polyvinylidene chloride.

通常の添加剤、例えば、可塑剤、滑剤、酸化防止剤、充
テン剤、改質剤、帯電防止剤、着色剤、熱安定剤、軟化
剤、ブレンド用ポリマー、付香剤防カビ剤などを副材料
として添加することができる。Common additives such as plasticizers, lubricants, antioxidants, fillers, modifiers, antistatic agents, colorants, heat stabilizers, softeners, blending polymers, flavorings, fungicides, etc. It can be added as an auxiliary material.

ただし、可塑剤、安定剤等の中には毒性のあるものがあ
り、医療用具として本発明による成形容器を用いるので
、衛生性に注意りる必要がある。プリフォームの成形法
としては、成形月利を加熱シリンダー中で溶融し、閉じ
た金型のキＩ７ビテイに急速に割出・充てんして、冷却
固化または硬化させる射出成形法、成形ＵＦ８＋を加熱
溶融したのちダイスを通して押し出し、断面の形状が一
定の成形品を連続的につくる押出成形法などがある。こ
の発明の製造法において、プリフォーム成形時に吊−〇
　　− 具部分も一体的に形成される。また、種々の多層構造に
づることしできる。However, some plasticizers, stabilizers, etc. are toxic, and since the molded container according to the present invention is used as a medical device, it is necessary to pay attention to hygiene. The preform molding method is injection molding, in which the molded material is melted in a heating cylinder, rapidly indexed and filled into a closed mold, and then cooled to solidify or harden, and the molded UF8+ is heated. There is an extrusion molding method in which the material is melted and then extruded through a die to continuously produce molded products with a constant cross-sectional shape. In the manufacturing method of this invention, the hanger portion is also integrally formed during preform molding. Moreover, it can be formed into various multilayer structures.

射出成形によるプリフォーム成形例を、第１図を参照し
てｄ（明りる。コア型２と外型４との間に形成されたキ
レビティ６に、射出成形機（図示せず）からの成形材料
がゲート８を経で射出・充てんされる。この成形に際し
て、プリフォーム本体１０ど吊具部分１２どが一体的に
成形される。An example of preform molding by injection molding is shown in FIG. The material is injected and filled through the gate 8. During this molding, the preform main body 10 and the suspender portion 12 are integrally molded.

この発明の製造法において、プリフオームは、次いで、
所定の成形温度に調節して延伸ブロー成形される。例え
ば、この工程では、プリフォームが金型内て軸方向に延
伸されたと同時に、或いは逐次的に金型内で横方向に流
体により膨張される。In the manufacturing method of this invention, the preform then:
Stretch blow molding is carried out by adjusting the molding temperature to a predetermined temperature. For example, in this process, the preform is stretched axially within the mold and simultaneously or sequentially expanded with a fluid laterally within the mold.

この工程でプリフオームは二軸延伸される。延伸ブロー
成形の手法は公知の技術を利用づ−ることがでさる。こ
の発明においも、延伸ブロー成形によって底部の吊具部
分を必ずしも延伸する必要はない。In this step, the preform is biaxially stretched. Known techniques can be used for stretch blow molding. Also in this invention, it is not necessary to necessarily stretch the bottom suspender portion by stretch blow molding.

プリフオームの延伸ブＬ１−成形例を、第２図を参照し
て説明づる。ブリフォームロを延伸ブ（］−成型用金型
１４で挟んで、まず、プリフオームの軸方向△に延伸棒
１６で縦方向延伸する。この縦方向延伸と同時、或は逐
次的にプリフォーム内部に流体を吹ぎ込んで横方向に延
伸り−る。この発明において、この例に限定され覆゛、
種々の態様で成形することかできる。An example of forming a stretched preform L1 will be explained with reference to FIG. The preform is sandwiched between stretching rods (]-molding molds 14, and firstly stretched longitudinally in the axial direction Δ of the preform with a stretching rod 16. At the same time as this longitudinal stretching, or sequentially, the inside of the preform is stretched. The invention is limited to this example and covers the
It can be molded in various ways.

（作用および発明の効果） この発明によって次のような効果を得ることができる。(Action and effect of invention) The following effects can be obtained by this invention.

（ａ）　　この発明において、容器本体は延伸ブロー成
形されるので、機械的強度に優れ、良好な透明性を右す
る薬液用容器を得ることができる。(a) In the present invention, since the container body is stretch-blow molded, it is possible to obtain a drug solution container that has excellent mechanical strength and good transparency.

（ｂ）　　容器に設りられる吊具は、容器本体と一体形
成されるので、吊具と容器との間の接合性に優れている
。従って、医療現場で点滴時に確実に容器を吊ることが
できる。また、吊具部分のみ別に形成し、容器本体とを
接合する余分な］ニ稈を要けず、強度、透明性に優れた
容器を経済的に製造することができる。(b) Since the hanging tool installed on the container is formed integrally with the container body, the connection between the hanging tool and the container is excellent. Therefore, the container can be reliably hung during infusion at a medical site. In addition, it is not necessary to form only the hanger part separately and to provide an extra double culm for joining the container body, making it possible to economically produce a container with excellent strength and transparency.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本発明におりる予備成形例を説明Ｊるための
断面図、第２図は本発明におりる延伸ブロー成形例を説
明覆るだめの断面図である。 ２・・・コア、４・・・金型、６・・・予備成形体、８
・・・ゲート、１０・・・キＰビティー、１２・・・吊
具、１４・・・金型、１６・・・延伸棒。 出願人代理人　　仏　　藤　　−雄 第１　口 ／〆 茶２１βFIG. 1 is a cross-sectional view for explaining an example of preforming according to the present invention, and FIG. 2 is a cross-sectional view for explaining an example of stretch blow molding according to the present invention. 2... Core, 4... Mold, 6... Preformed body, 8
...Gate, 10...Kip bitty, 12...Hanging tool, 14...Mold, 16...Stretching rod. Applicant's agent Fuji Fuji - Male 1st mouth/〆cha 21β

Claims (1)

【特許請求の範囲】[Claims] 底部に吊具を有する薬液容器の製造法であって、吊具と
容器予備成形体とを一体成形し、得られた予備成形体を
所定の成形温度に調節して延伸ブロー成形することを特
徴とする吊具付き薬液容器の製造法。A method for manufacturing a liquid medicine container having a hanger at the bottom, characterized by integrally molding the hanger and a container preform, and stretching and blow molding the obtained preform at a predetermined molding temperature. A method for manufacturing a chemical liquid container with a hanging device.
JP61156986A 1986-07-03 1986-07-03 Preparation of container for chemical solution with hanging attachment Pending JPS6311324A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61156986A JPS6311324A (en) 1986-07-03 1986-07-03 Preparation of container for chemical solution with hanging attachment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61156986A JPS6311324A (en) 1986-07-03 1986-07-03 Preparation of container for chemical solution with hanging attachment

Publications (1)

Publication Number Publication Date
JPS6311324A true JPS6311324A (en) 1988-01-18

Family

ID=15639674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61156986A Pending JPS6311324A (en) 1986-07-03 1986-07-03 Preparation of container for chemical solution with hanging attachment

Country Status (1)

Country Link
JP (1) JPS6311324A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403538A (en) * 1989-11-16 1995-04-04 Mitsui Petrochemical Industries, Ltd. Container with a suspension grip and method of manufacturing the same
US5409749A (en) * 1990-10-27 1995-04-25 Nissei Asb Machine Co., Ltd. Preform with a hanger having a connecting portion of a substantially circular cross-section
US5954224A (en) * 1996-11-01 1999-09-21 Colgate-Palmolive Company Injection stretch blow molded tubular containers
WO2009000492A2 (en) * 2007-06-27 2008-12-31 Fresenius Kabi Deutschland Gmbh Preform and method for producing a container for holding fluids used in medical applications

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403538A (en) * 1989-11-16 1995-04-04 Mitsui Petrochemical Industries, Ltd. Container with a suspension grip and method of manufacturing the same
US5409749A (en) * 1990-10-27 1995-04-25 Nissei Asb Machine Co., Ltd. Preform with a hanger having a connecting portion of a substantially circular cross-section
US5540579A (en) * 1990-10-27 1996-07-30 Nissei Asb Machine Co., Ltd. Injection mold used to mold a preform with a hanger
US5954224A (en) * 1996-11-01 1999-09-21 Colgate-Palmolive Company Injection stretch blow molded tubular containers
US6168041B1 (en) 1996-11-01 2001-01-02 Colgate-Palmolive Company Injection stretch blow molded tubular containers
WO2009000492A2 (en) * 2007-06-27 2008-12-31 Fresenius Kabi Deutschland Gmbh Preform and method for producing a container for holding fluids used in medical applications
WO2009000492A3 (en) * 2007-06-27 2009-02-19 Fresenius Kabi De Gmbh Preform and method for producing a container for holding fluids used in medical applications
AU2008267430B2 (en) * 2007-06-27 2014-08-28 Fresenius Kabi Deutschland Gmbh Preform and method for producing a container for holding fluids used in medical applications

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