JPH0724031A - 輸液容器密封用口栓 - Google Patents

輸液容器密封用口栓

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Publication number
JPH0724031A
JPH0724031A JP5170053A JP17005393A JPH0724031A JP H0724031 A JPH0724031 A JP H0724031A JP 5170053 A JP5170053 A JP 5170053A JP 17005393 A JP17005393 A JP 17005393A JP H0724031 A JPH0724031 A JP H0724031A
Authority
JP
Japan
Prior art keywords
synthetic resin
mouth
stopper
plug
sealing
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.)
Granted
Application number
JP5170053A
Other languages
English (en)
Other versions
JP2702059B2 (ja
Inventor
Nihe Kuroda
仁兵衛 黒田
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.)
Fuso Pharmaceutical Industries Ltd
Original Assignee
Fuso Pharmaceutical Industries Ltd
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Filing date
Publication date
Application filed by Fuso Pharmaceutical Industries Ltd filed Critical Fuso Pharmaceutical Industries Ltd
Priority to JP5170053A priority Critical patent/JP2702059B2/ja
Priority to US08/266,484 priority patent/US5656112A/en
Priority to DE4423911A priority patent/DE4423911C2/de
Publication of JPH0724031A publication Critical patent/JPH0724031A/ja
Application granted granted Critical
Publication of JP2702059B2 publication Critical patent/JP2702059B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/1406—Septums, pierceable membranes
    • 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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • B29C57/12—Rim rolling
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/242—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool the heat transfer being achieved by contact, i.e. a heated tool being brought into contact with the welding tool and afterwards withdrawn from it
    • 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
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/567—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
    • B29C65/568—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined using a swaging operation, i.e. totally deforming the edge or the rim of a first part to be joined to clamp a second part 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
    • 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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/135—Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area
    • 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
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
    • 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
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
    • 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
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • 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
    • B29C66/61—Joining from or joining on the inside
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2821—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers applying plugs or threadless stoppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/02—Disc closures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/002—Closures to be pierced by an extracting-device for the contents and fixed on the container by separate retaining means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2207/00—Methods of manufacture, assembly or production
    • 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
    • B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
    • B29L2031/565—Stoppers or lids for bottles, jars, or the like, e.g. closures for containers
    • 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
    • B29L2031/753—Medical equipment; Accessories therefor

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  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Closures For Containers (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

(57)【要約】 【目的】 熱伝導効率が高く、熔着一体化に要する時間
が短縮化され、或いは熱軟化状態の容器成型時の熱だけ
で、容易に熔着する。 【構成】 合成樹脂製輸液容器２の口部３上部、内部に
使用時漏液防止用ゴム栓５を挿嵌した密封用合成樹脂製
口栓４上部の一方又は双方に楔形等の断面形状の凹部６
又は凸部を設け、口部に口栓を挿嵌し、加熱して内向き
に加圧し、或いは合成樹脂製口栓上部に同様の断面形状
の凹部又は凸部を設け、熱軟化状態の合成樹脂製輸液容
器の口部に挿嵌して内向きに加圧し、口部の熱によって
熔着一体化する。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は合成樹脂製輸液容器口部
に合成樹脂製口栓と使用時漏液防止用ゴム栓とを加熱熔
着して一体化した口部閉塞部材において、熔着一体化に
要する時間を短縮化した輸液容器密封用口栓に関するも
のである。
【０００２】或いは熱軟化状態の合成樹脂製輸液容器の
口部の熱によって合成樹脂製口栓と使用時漏液防止用ゴ
ム栓を一体化し、特に加熱することなく、口部を熔着閉
塞できる輸液容器密封用口栓に関するものである。
【０００３】
【従来の技術】従来、合成樹脂製輸液容器の口部閉塞部
材には本件発明者の発明に係る特公平３−２８９４４号
公報があるが、輸液用合成樹脂製容器の口部と密封用合
成樹脂製口栓との上部が平坦になっていた。
【０００４】そして輸液用合成樹脂製容器の口部と密封
用合成樹脂製口栓との上部に口部成形用金属製キャップ
を被せ、熔着用ヒーターで金属製キャップを押圧して熱
熔着していた。
【０００５】
【発明が解決しようとする課題】従来の合成樹脂製輸液
容器の口部閉塞部材は輸液用合成樹脂製容器の口部と密
封用合成樹脂製口栓との上部が平坦、即ち合成樹脂内部
が中実になっていたため、熱伝導効率が悪く、従来方法
で熔着閉塞するには熔着一体化に要する時間が長くかか
るという問題があった。
【０００６】また熱熔着するために熔着用ヒーターを必
要とし、熱熔着用に別に熱源を必要とするため、作業工
程が増え、その上に省エネルギーでないという問題を有
していた。
【０００７】本発明は熱伝導効率が高く、従来方法で製
作しても熔着一体化に要する時間が短縮化され、或いは
熱軟化状態の容器成型時の熱だけで、容易に熔着するこ
とのできる輸液容器密封用口栓を提供することを目的と
する。
【０００８】
【課題を解決するための手段】前記目的を達成するため
に、本発明は特公平３−２８９４４号公報の合成樹脂製
輸液容器の口部と密封用合成樹脂製口栓、漏液防止用ゴ
ム栓を一体化した口部閉塞部材において、合成樹脂製口
栓と合成樹脂製輸液容器の口部との上部の一方に、又は
双方に楔形等の断面形状の凹部又は凸部を設け、口部成
形用金属製キャップを被せ、熔着用ヒーターで金属製キ
ャップを押圧して熱熔着した。
【０００９】或いは合成樹脂製口栓上部に楔形等の断面
形状の凹部又は凸部を設け、前記口栓内部に使用時漏液
防止用ゴム栓を挿嵌して熱軟化状態の合成樹脂製輸液容
器の口部に挿嵌して口部成形用金属製キャップ等で内向
きに加圧し、口部の熱によって合成樹脂製口栓と使用時
漏液防止用ゴム栓を一体化した。
【００１０】
【作用】密封用合成樹脂製口栓上部又は合成樹脂製輸液
容器の口部上部の一方、或いはそれらの双方に楔形等の
断面の凹部又は凸部を成形したから、口栓上部、口部上
部の合成樹脂が中空となり、熱伝導効率が良くなり、従
来方法で作製しても加熱熔着一体化に要する時間が短縮
化する。
【００１１】或いは密封用合成樹脂製口栓上部に楔形等
の断面の凹部又は凸部を設け、熱軟化状態の合成樹脂製
輸液容器の口部に挿嵌するから、前記口栓上部が中空と
なり、特別に加熱しなくとも、容器成型時の口部の熱だ
けで合成樹脂製口栓が容易に軟化する。
【００１２】
【実施例】本発明実施の一例を示した添付図面について
詳細に説明する。
【００１３】図１は合成樹脂製輸液容器の口部上部へ合
成樹脂製口栓と使用時漏液防止用ゴム栓を順次挿嵌する
状態のもの、図２は同挿嵌状態で、従来方法で熔着前の
もの、図３は熔着後のものである。
【００１４】図４は合成樹脂製輸液容器の口部上部と合
成樹脂製口栓上部の別の実施例を示したものである。
【００１５】１は口部閉塞部材で、合成樹脂製輸液容器
２の口部３に密封用合成樹脂製口栓４とその中に使用時
漏液防止用ゴム栓５を嵌入し、口部３と口栓４を内向き
に加熱熔着して前記ゴム栓５と一体化したもので、輸液
容器密封用口栓を構成する。
【００１６】６は密封用合成樹脂製口栓４の上部に成形
した楔形断面を有する凹部で、前記口栓４の上部の合成
樹脂を中空とし、熱伝導効率を良好にするものである。
【００１７】この楔形断面を有する凹部６の替わりに、
図４の（Ａ）に示すように楔形断面を有する凸部７にし
てもよく、この場合は口栓４の上部の合成樹脂の厚みを
薄くして熱伝導効率を良好にするものである。
【００１８】この凹凸部６，７の断面形状は楔形断面以
外の任意の断面形状としてもよいものである。
【００１９】またこの凹部６又は凸部７を合成樹脂製輸
液容器２の口部３上部、密封用合成樹脂製口栓４の上部
のどちらか一方に凹部６（図２）、凸部７｛図４
（Ａ）｝或いは双方に凹部６｛図４（Ｂ）｝、双方に凸
部７又は凹部６と凸部７の組み合わせ（共に図示せず）
というように設けてもよい。
【００２０】
【発明の効果】本発明は以上のような構成を有するか
ら、密封用合成樹脂製口栓４の上部、合成樹脂製輸液容
器２の口部３上部の一方或いは双方の合成樹脂に中空部
を成形又は合成樹脂の厚みを薄くするから、その部分の
熱伝導効率を良好にすることができる。
【００２１】そのため内部が中空又は厚みが薄くなった
合成樹脂は容易に熔着し、従来方法で作製しても熔着一
体化に要する時間を短縮化することができ、作業能率が
向上し、大量生産が可能となる。
【００２２】また密封用合成樹脂製口栓４の上部に楔形
断面の凹部６又は凸部７を設けたものは、前記同様にそ
の部分の熱伝導効率が良好となるので、容器成型時の熱
軟化状態の合成樹脂製輸液容器２の口部３に常温の前記
口栓４および使用時漏液防止用ゴム栓５を嵌入し、加圧
すると口部３の熱によって口栓４が容易に軟化するた
め、特に加熱することなく熔着一体化が可能となり、省
エネルギー化が図れ、作業を簡易化することができる。
【図面の簡単な説明】
【図１】合成樹脂製輸液容器の口部上部へ密封用合成樹
脂製口栓と使用時漏液防止用ゴム栓を順次挿嵌する状態
の斜視図である。
【図２】同挿嵌状態で、従来方法によって熔着前の中央
縦断面図である。
【図３】熔着後の中央縦断面図である。
【図４】合成樹脂製輸液容器の口部上部と合成樹脂製口
栓上部とに凸部を設けた他の実施例の同挿嵌状態の中央
縦断面図を示し、（Ａ）は一方に楔形断面の凸部を設け
たもの、（Ｂ）は双方に楔形断面の凹部を設けたもので
ある。
【符号の説明】
１ 口部閉塞部材 ２ 合成樹脂製輸液容器 ３ 口部 ４ 密封用合成樹脂製輸口栓 ５ 使用時漏液防止用ゴム栓 ６ 凹部 ７ 凸部 ８ 口部成形用金属製キャップ ９ 熔着用ヒーター

Claims (4)

    【特許請求の範囲】
  1. 【請求項１】 合成樹脂製輸液容器２の口部３に密封用
    合成樹脂製口栓４を挿嵌し、更に前記口栓４内に使用時
    漏液防止用ゴム栓５を挿嵌し、前記口部３、合成樹脂製
    口栓４の上部に口部成形用金属製キャップ８を被せ、熔
    着用ヒーター９で金属製キャップ８を押圧して内向きに
    加熱熔着して使用時漏液防止用ゴム栓５を一体化した口
    部閉塞部材１において、合成樹脂製口栓４上部に楔形等
    の断面形状の凹部６又は凸部７を設けたことを特徴とす
    る輸液容器密封用口栓。
  2. 【請求項２】 合成樹脂製輸液容器２の口部３上部に楔
    形等の断面形状の凹部６又は凸部７を設けたことを特徴
    とする請求項１記載の輸液容器密封用口栓。
  3. 【請求項３】 合成樹脂製輸液容器２の口部３及び合成
    樹脂製口栓４上部に楔形等の断面形状の凹部６又は凸部
    ７を設けたことを特徴とする請求項１記載の輸液容器密
    封用口栓。
  4. 【請求項４】 内部に使用時漏液防止用ゴム栓５を挿嵌
    した合成樹脂製口栓４上部に楔形等の断面形状の凹部６
    又は凸部７を設け、熱軟化状態の合成樹脂製輸液容器２
    の口部３に挿嵌し、口部３の熱によって合成樹脂製口栓
    ４と使用時漏液防止用ゴム栓５を一体化したことを特徴
    とする輸液容器密封用口栓。
JP5170053A 1993-07-09 1993-07-09 合成樹脂製輸液容器の口部閉塞方法 Expired - Lifetime JP2702059B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP5170053A JP2702059B2 (ja) 1993-07-09 1993-07-09 合成樹脂製輸液容器の口部閉塞方法
US08/266,484 US5656112A (en) 1993-07-09 1994-06-27 Synthetic resin container including a mouthpiece sealed by a closure and a method for sealing the same
DE4423911A DE4423911C2 (de) 1993-07-09 1994-07-07 Verfahren zum Abdichten des Mundstücks eines Kunstharzbehälters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5170053A JP2702059B2 (ja) 1993-07-09 1993-07-09 合成樹脂製輸液容器の口部閉塞方法

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JPH0724031A true JPH0724031A (ja) 1995-01-27
JP2702059B2 JP2702059B2 (ja) 1998-01-21

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JP2007202754A (ja) * 2006-02-01 2007-08-16 Jms Co Ltd 混注に使用される混注ポート
JP2008179409A (ja) * 2006-12-25 2008-08-07 Sekisui Plastics Co Ltd 気密容器と該気密容器を収容した包装材
JP2010269023A (ja) * 2009-05-22 2010-12-02 Nipro Corp 点滴筒
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JP2010269023A (ja) * 2009-05-22 2010-12-02 Nipro Corp 点滴筒
JP2019127323A (ja) * 2018-01-22 2019-08-01 キヤノン株式会社 ブローボトル、インクカートリッジ、及びブローボトルの製造方法
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US5656112A (en) 1997-08-12
DE4423911A1 (de) 1995-01-12
DE4423911C2 (de) 2002-08-29

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