JP2702059B2 - 合成樹脂製輸液容器の口部閉塞方法 - Google Patents

合成樹脂製輸液容器の口部閉塞方法

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Publication number
JP2702059B2
JP2702059B2 JP5170053A JP17005393A JP2702059B2 JP 2702059 B2 JP2702059 B2 JP 2702059B2 JP 5170053 A JP5170053 A JP 5170053A JP 17005393 A JP17005393 A JP 17005393A JP 2702059 B2 JP2702059 B2 JP 2702059B2
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Japan
Prior art keywords
mouth
synthetic resin
container
infusion container
resin infusion
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JP5170053A
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English (en)
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JPH0724031A (ja
Inventor
仁兵衛 黒田
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Fuso Pharmaceutical Industries Ltd
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Fuso Pharmaceutical Industries Ltd
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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
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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)

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の
口部閉塞方法に関するものであり、特に加熱することな
く、合成樹脂製口栓、使用時漏液防止用ゴム栓および前
記容器口部を一体化し、前記容器の口部を溶着閉塞する
合成樹脂製輸液容器の口部閉塞方法に関するものであ
る。
【０００２】
【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筒状に形成されていた。
【０００３】そして合成樹脂製輸液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、溶着用ヒーターで金属製キャップを加熱し、押
圧して熱溶着していた。
【０００４】また、合成樹脂製輸液容器の口部閉塞装置
は、本件発明者の発明に係る特開昭６３−２５２１５２
号および実開平３−１２９１４６号の各公報にも開示さ
れている。
【０００５】特開昭６３−２５２１５２号公報には、輸
液用合成樹脂製容器の口部閉塞装置とその方法が記載さ
れ、口部を加熱・溶融して内側に湾曲し、口栓と一体化
して口部を閉塞する技術は開示されているが、前記口栓
と前記容器口部上部を、容器成形時の余熱のみで、溶着
できるような熱伝導効率の良い形状にすることについて
は記載されていない。
【０００６】実開平３−１２９１４６号公報には、輸液
容器の口部閉塞装置、詳細には、ゴム栓の上面に連続環
状溝を設け、その下面には密封用口栓底板上面の環状凸
部と同径の、不連続部を有する断続環状溝を設け、該ゴ
ム栓の下面の断続環状溝を密封用口栓底板上面の環状凸
部に挿嵌して押付け、口部と口栓の上部を加熱溶着した
輸液容器の口部閉塞装置が記載されている。しかしこの
公報にも前記公報におけると同様に、前記口栓等を、容
器成形時の余熱のみで溶着できるような、熱伝導効率を
向上させるための何らの記載もされていない。
【０００７】一方、実開平３−６０２４９号公報には、
本発明の楔型等の断面形状の凸部に相当する溶着リブの
記載はあるが、これは液体用紙容器に備えつけられた注
出口栓に関するものであり、またこの溶着リブは、一旦
形成された後、超音波溶着などの手段によって、改めて
加熱して溶着されることが記載されており、容器成形時
の余熱のみで、容器口部と口栓等を溶着することについ
てはなんら記載されていない。
【０００８】
【発明が解決しようとする課題】このように従来技術で
は、容器の口部と口栓の溶着にあたり、熱伝導効率が悪
いため、それらを加熱しないと溶着できないという問題
点があった。
【０００９】本発明は、容器成形時の余熱のみで口部を
熱溶着し、容器成形と口部閉塞を１段階で行い、作業の
効率化が図れる合成樹脂製輸液容器の口部閉塞方法を提
供することを課題とするものである。
【００１０】
【課題を解決するための手段】前述した目的を達成する
ために、本発明のうち請求項１に記載の発明は、合成樹
脂製輸液容器の口部を、密封用合成樹脂製口栓と一体化
して閉塞する、合成樹脂製輸液容器の口部閉塞方法にお
いて、上部に開口部を有する前記口栓の上部を、全周に
わたって薄肉に形成し、この口栓を成形直後の前記容器
の口部に挿嵌し、更に前記口栓内に使用時漏液防止用ゴ
ム栓を挿嵌し、前記容器の口部と前記口栓の上部に口部
成形用キャップを被せて内向きに押圧し、前記容器成形
時の余熱のみで口栓を溶着し、閉塞することを特徴とし
たものである。
【００１１】請求項２に記載の発明は、合成樹脂製輸液
容器口部の上部を、全周にわたって薄肉に形成したこと
を特徴としたものである。
【００１２】請求項１および２において、上部に開口部
を有する密封用合成樹脂製口栓および合成樹脂製輸液容
器の口部の上部を、薄肉に形成するためには、これら部
材の上部に、例えば楔型、Ｕ字型、矩形等の断面形状の
凹部又は凸部を設けると良い。
【００１３】
【作用】密封用合成樹脂製口栓上部と、合成樹脂製輸液
容器の口部上部には任意に例えば楔型等の断面形状の凹
部又は凸部を成形したから、口栓上部、口部上部の合成
樹脂は薄肉になり、熱伝導効率が良くなる。
【００１４】よって、使用時漏液防止用ゴム栓を挿嵌し
た口栓を成形直後の熱軟化状態の輸液容器の口部に挿嵌
し、これら口栓と口部の上部に口部成形用キャップを被
せて内向きに押圧すると、特別に加熱しなくとも、容器
成形時の口部の余熱だけで口栓の上部が容易に溶着し、
容器成形と口部閉塞を１段階で行うことができる。
【００１５】
【実施例】本発明の合成樹脂製輸液容器の口部閉塞方法
を、実施例を示した添付図面に基いて詳細に説明する。
【００１６】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
する状態の要部斜視図で、図２は楔型の断面形状を有す
る凹部を、密封用合成樹脂製口栓の上部に形成したもの
の溶着前の中央縦断面図であり、図３は溶着後の中央縦
断面図である。
【００１７】図４は合成樹脂製輸液容器の口部上部と合
成樹脂製口栓上部に、楔型の断面形状の凹部又は凸部を
形成したものの中央縦断面図であり、（Ａ）はその一方
に楔型等の断面形状の凸部を設けたもので、（Ｂ）はそ
の双方に同様の凹部を設けたものである。
【００１８】口部閉塞部材１は、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
に押圧溶着して前記ゴム栓５と一体化する。
【００１９】本発明の合成樹脂製輸液容器の口部閉塞方
法を図２に従って説明すると、上部に開口部を有する密
封用合成樹脂製口栓４の上部を、全周にわたって楔型の
断面形状を有する凹部６に形成し、この口栓４を成形直
後の合成樹脂製輸液容器２の口部３に挿嵌し、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、前記容
器の口部と前記口栓の上部に、口部成形用キャップ８を
被せて内向きに押圧し、容器成形時の余熱のみで口栓を
溶着し、閉塞するものである。
【００２０】本実施例では、楔型の断面形状を有する凹
部６について言及したが、この凹部６は、楔型の断面形
状を有する凸部７であっても良いものである。
【００２１】
【発明の効果】本発明の輸液容器の口部閉塞方法によれ
ば、密封用合成樹脂製口栓の上部および又は合成樹脂製
輸液容器の口部上部を薄肉に形成したため、それらの部
分の熱伝導効率を良好にすることができる。
【００２２】そのため、厚みが薄くなった合成樹脂製の
口栓又は口部上部は、容器成形時の余熱のみで押圧によ
り容易に溶着一体化できる。従って本発明によると、容
器成形と口部閉塞を１段階で行うことができ、作業の効
率化が図れ、大量生産が可能となる。
【００２３】また、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
態の要部斜視図である。
【図２】図１の挿嵌状態における、溶着前の要部中央縦
断面図である。
【図３】図２の溶着後の要部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
栓上部の挿嵌状態の要部中央縦断面図を示し、（Ａ）は
その一方に楔形断面の凸部を設けたもの、（Ｂ）はその
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 合成樹脂製輸液容器口部 ４ 密封用合成樹脂製口栓 ５ 使用時漏液防止用ゴム栓 ６ 楔型断面形状を有する凹部 ７ 楔型断面形状を有する凸部 ８ 口部成形用キャップ

Claims (2)

    (57)【特許請求の範囲】
  1. 【請求項１】 合成樹脂製輸液容器の口部を、密封用合
    成樹脂製口栓と一体化して閉塞する、合成樹脂製輸液容
    器の口部閉塞方法において、 上部に開口部を有する前記口栓の上部を、全周にわたっ
    て薄肉に形成し、 この口栓を成形直後の前記容器の口部に挿嵌し、更に前
    記口栓内に使用時漏液防止用ゴム栓を挿嵌し、 前記容器の口部と前記口栓の上部に口部成形用キャップ
    を被せて内向きに押圧し、前記容器成形時の余熱のみで
    口栓を溶着し、閉塞することを特徴とする合成樹脂製輸
    液容器の口部閉塞方法。
  2. 【請求項２】 合成樹脂製輸液容器口部の上部を、全周
    にわたって薄肉に形成したことを特徴とする請求項１記
    載の合成樹脂製輸液容器の口部閉塞方法。
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 JPH0724031A (ja) 1995-01-27
JP2702059B2 true JP2702059B2 (ja) 1998-01-21

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US (1) US5656112A (ja)
JP (1) JP2702059B2 (ja)
DE (1) DE4423911C2 (ja)

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Also Published As

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DE4423911A1 (de) 1995-01-12
DE4423911C2 (de) 2002-08-29
US5656112A (en) 1997-08-12
JPH0724031A (ja) 1995-01-27

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