JP5701148B2 - 薬剤容器 - Google Patents

薬剤容器 Download PDF

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JP5701148B2
JP5701148B2 JP2011116013A JP2011116013A JP5701148B2 JP 5701148 B2 JP5701148 B2 JP 5701148B2 JP 2011116013 A JP2011116013 A JP 2011116013A JP 2011116013 A JP2011116013 A JP 2011116013A JP 5701148 B2 JP5701148 B2 JP 5701148B2
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reinforcing
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ベーコン,レイモンド
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クリニカル・デザインズ・リミテッド
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • B29C45/1635Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D1/00Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0207Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
    • B65D1/0215Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features multilayered
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M15/00Inhalators
    • A61M15/0065Inhalators with dosage or measuring devices
    • A61M15/0068Indicating or counting the number of dispensed doses or of remaining doses
    • A61M15/007Mechanical counters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M15/00Inhalators
    • A61M15/009Inhalators using medicine packages with incorporated spraying means, e.g. aerosol cans
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • B29C2049/2017Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements outside the article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • B29C2049/2021Inserts characterised by the material or type
    • B29C2049/2047Tubular inserts, e.g. tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • B29C2049/2021Inserts characterised by the material or type
    • B29C2049/2065Inserts characterised by the material or type for reinforcing specific areas of the final blow moulded article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/24Lining or labelling
    • B29C2049/2414Linings or labels, e.g. specific geometry, multi-layered or material
    • B29C2049/2422Cylindrical or sleeve shaped linings or labels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/0715Preforms or parisons characterised by their configuration the preform having one end closed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/30Preforms or parisons made of several components
    • B29C2949/3008Preforms or parisons made of several components at neck portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/30Preforms or parisons made of several components
    • B29C2949/3012Preforms or parisons made of several components at flange portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/30Preforms or parisons made of several components
    • B29C2949/3016Preforms or parisons made of several components at body portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/30Preforms or parisons made of several components
    • B29C2949/302Preforms or parisons made of several components at bottom portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/30Preforms or parisons made of several components
    • B29C2949/3024Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
    • B29C2949/3026Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
    • B29C2949/3028Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/30Preforms or parisons made of several components
    • B29C2949/3032Preforms or parisons made of several components having components being injected
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06Injection blow-moulding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08Biaxial stretching during blow-moulding
    • B29C49/10Biaxial stretching during blow-moulding using mechanical means for prestretching
    • B29C49/12Stretching rods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/24Lining or labelling
    • B29C49/251Lining or labelling explicit lining
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10Polymers of propylene
    • B29K2023/12PP, i.e. polypropylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2027/00Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2077/00Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25Solid
    • B29K2105/253Preform
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/44Valves specially adapted therefor; Regulating devices
    • B65D83/52Valves specially adapted therefor; Regulating devices for metering
    • B65D83/54Metering valves ; Metering valve assemblies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]

Description

本発明は、薬剤用の容器に関し、より具体的には、非限定的に、加圧された薬剤源での使用のための容器に関する。
定量放出弁を有する薬剤源は、従来、薬剤のアルミニウム製容器を備えている。そのため、使用者は、薬剤の残量を見ることができない。
残りの投与回数を使用者が判断できるように、弁の操作回数を計数する高価な計数器が備えられつつある。
本発明の目的は、すなわち視覚的に、上記判断を与える代替手段を提供することである。
本発明の第1の態様に従って、薬剤源における薬剤用の容器が提供され、この容器は、
薬剤源の栓のための縁部を備えた口を有し、
上記容器が、高分子材料からなる複数の層を含み、これらの層が、
撥物質性の内側の層と、
気密性および液体不透過性の外側の層と
を少なくとも備え、これら2つの層が透明または少なくとも半透明の材料からなる。
本発明の第2の態様に従って、薬剤源における薬剤用の容器が提供され、この容器は、
薬剤供給源の栓のための縁部を備えた口を有し、
上記容器が、高分子材料からなる複数の層を含み、これらの層が
撥物質性の内側の層と、
気密性の第2の層と、
液体不透過性の第3の層と
を少なくとも備え、これら3つの層が透明または少なくとも半透明の材料からなる。
気密性の層は、液体不透性の層の内側にあっても、または外側にあってもよい。
他の形態の栓、特に溶接栓が考えられるが、通常の栓は圧着栓であることが望ましい。
内側の層は、容器の内側の表面が、薬剤、または容器の材料による薬剤の吸着によって濡れるのを防止するために設けられる。好適には、ポリテトラフルオロエチレンが内側の層に使用可能である。
容器が加圧された薬剤源において用いられる場合(これは普通のことだが)、圧力の下で薬剤が容器を通って浸透しないように、また、高圧ガスを容器内に保持するように、第2の気密層が設けられる。好適には、ナイロンが第2層に使用可能である。
第3の層は、通常は水である、薬剤の液体担体を保持するように設けられる。好適には、ポリプロピレンが第3の層に使用可能である。第3の層のさらなる目的は、特に薬剤が水分の存在で劣化する可能性がある場合、容器がなくても水分の浸入を止めることである。
補強層が設けられてもよい。補強層は、穴の明いた金属層または繊維補強材であってよ
い。補強層は、容器の成形の後に加えられてもよく、または成形の際に容器の中に組み込まれてもよい。
補強層は、容器内の薬剤の高さが判定可能であるように、通常、穴の明いたもの、糸目の粗い織物、または場合によっては螺旋状に巻回されたものである。
本発明の第3の態様に従って、第1の態様の容器を作製する方法が提供され、本方法は、
層状のプリフォームを射出成形するステップと、
そのプリフォームを最終形状にブロー成形するステップと
を含む。
プリフォームを適切な形状にブロー成形する前に、補強層がブロー成形型に含められてもよい。
本発明の理解を助けるために、ここで、例によって、また添付の図面を参照して、本発明の特定の実施形態が説明される。
図を参照して、図1の薬剤源1は、本発明の容器2と、圧着栓3とを有する。この栓は、定量式放出弁(図1ではその吐出口4のみが見えている)を容器に対して封止的に保持する。
図2に示すように、容器は、頸部5と、圧着部の位置にある突出した縁部6とを有する。容器は、成形された高分子材7からなり、圧力保持のための機械的強度を与える、アルミニウム製のスリーブである外側の穴明きスリーブ8を有する。頸部は、圧力保持を可能にする比較的厚い壁厚の高分子材を有し、高分子材の端部9は、これも圧力保持のために内向きの半球形である。
高分子材は、3つの層または薄板からなる。最も内側の層はポリテトラフロオロエチエン(PTFE)材からなる。これは、薬剤およびその高圧ガスが、その層といかようにも反応または結合しないように、不活性層として設けられる。中間の高分子層は、ナイロン材からなる。これは、分子がPTFE層を通過できる可能性のある高圧ガスを収容するために、耐高圧ガス層12として設けられる。外側の高分子層14は、ポリプロピレン(PP)からなる。この層は、容器の耐水性および機械的完全性の両方を与えるために、他の2つの層より厚い。3つの層は互いに密着し、またPP層がアルミニウム材と密着している。
図3および4を参照して、容器2は、図3に示すプリフォームからブロー成形品として成形され、そのプリフォームは、図4に示す成形型で射出成形される。プリフォームは、容器をより短くずんぐりさせた形状であり、プリフォームの層が、
内側PTFE層21
中間ナイロン層22
外側PP層24
と称される以外は、別に説明されない。
成形型25の作動部品のみが示され、その作動部品は、雄部26と雌部27とを有する。雄部は、雄芯部262に取り付けられた空気抜きタペット弁261を除いて、動作部を有さない従来式のもので、雄芯部262は、支持板263と一体になっている。一方、雌部は、PTFE用の2721、ナイロン用の2722、およびPP用の2723の3つのゲートを有する中央ゲート271を含む、複数の動作部を有する。ゲート部は、層22および24に対応する厚みだけ可動する、すなわち、PTFE層の射出および成形のために
、中央部が雄芯部262に向かって前進され、PTFEの厚み分だけ雄芯部から離間される。次に、ナイロン層の射出のために、ナイロン部の厚み分だけ中央部が後退され、PP層の射出のために、PP層の厚み分だけ中央部がさらに後退される。中央部および成形型全般の構成における機械的および油圧的な詳細は、当業者の能力のうちにあると考えられるため、さらなる詳細は説明されない。
雄芯部262および雌ゲート部271と同軸であるのは、3つのスリーブ273、274、275であり、すべて個々に、かつ選択的に、雄支持板263から離れるように後退されることができる。PTFE層21の成形のためには、第1のスリーブが図4に示す前進位置にある。PTFE層21は、雄芯部と、雌ゲート部と、スリーブ273との間に形成された空洞部の中で成形される。ナイロン層の成形のためには、スリーブ273がゲート部271とともに、第1後退位置まで後退される。こうして、PTFE層21と、スリーブ274と、ゲート部との間に、成形用の空洞部ができ、ナイロン層がこの中へ射出される(図5を参照)。
PTFE層およびナイロン層の両方は、環状の円筒形であり、一方の端部が開放し、他方が閉鎖している。PP層は、肩部すなわち縁部6を有する以外は、同様である。PP層を形成するには、スリーブ274が後退されるだけではなく、外側スリーブ275も部分的に後退される。こうして、型の空洞部が、肩部を備えて完成するPP層の成形に適する形状に形成される(図6を参照)。この肩部の円周部は、雌型部の固定部277に対して形成される。
その結果生じる型が射出成形型から排出され、図7に示すブロー成形型301に移される。ブロー成形型は、プリフォームの挿入の前に補強スリーブ8が設けられること以外は、概ね従来式の型である。プリフォームは、その肩部6を型の特徴部分302によって把持され、使用時の全長まで棒303によって延伸される。棒の孔304を介してプリフォーム内にガスが射出され、プリフォームはその全径まで膨らまされて、そこでPP層がアルミニウム製のスリーブに密着する。
本発明は、上述の実施形態の詳細に対して制限を受けるように意図されていない。たとえば、PTFE、ナイロン、およびPPのそれぞれと同様の特性を有する他の高分子材が使用されてもよい。また、繊維補強材などの他の補強材が使用可能である。さらに、補強材は全く必要ない可能性も考えられる。また、本発明の容器を製作するために、プリフォームおよびブロー成形以外の他の工程が用いられてもよい。
さらに、本発明は、定量式の薬剤源と同様に、本発明の容器を用いた定量式でない加圧された薬剤源に同等に適用可能である。
薬剤源が本発明の容器を含む、定量式の薬剤源の側面図である。 図1の薬剤源の容器の同様の側面断面図である。 図2の容器のためのプリフォームの同様の図である。 容器の内側層の射出用に構成された射出成形型の縦断面図である。 第2層の射出用に構成された成形型の同様の図である。 第3層の射出用に構成された成形型の第3の図である。 ブロー成形用の空洞内で適切な大きさに膨らまされた、射出成形プリフォームの同様の図である。

Claims (12)

  1. 薬剤源での使用のための加圧された薬剤を備える容器であって、
    前記容器は、
    前記薬剤源の栓のための縁部を備えた口と、定量式放出弁と、前記容器に対して前記定量式放出弁を保持する溶接栓又は圧着栓と、圧力保持のために内向きの半球形である端部とを有し、
    前記容器は、高分子材料からなる複数の層を含み、
    前記複数の層は、
    撥物質性の内側の層と、
    気密性および液体不透過性の外側の層あるいは気密性の第2の層のどちらかの層と、
    液体不透過性の第3の層と、を少なくとも備え、
    前記の層の全てが透明または少なくとも半透明の材料からなり、
    前記容器は、加圧された薬剤の圧力を保持するために補強層をさらに有する、容器。
  2. 前記補強層が、穴の明いた金属層である、請求項1に記載の容器。
  3. 前記補強層が、繊維補強材を含む、請求項1に記載の容器。
  4. 前記補強層が、成形後の付加によって前記容器に組み込まれる、請求項3に記載の容器。
  5. 前記補強層が、成形の際に前記容器に組み込まれる、請求項3に記載の容器。
  6. 前記補強層が、前記容器内の前記薬剤の高さの目視判定のために、穴の明いたもの、糸目の粗い織物からなるもの、または螺旋状に巻回されたものである、請求項1から5のいずれか一項に記載の容器。
  7. 前記複数の層は、
    気密性の第2の層と、
    液体不透過性の第3の層と、を備え、
    前記気密性の第2の層が、前記液体不透性の第3層の内側にある、請求項1から6のいずれか一項に記載の容器。
  8. 前記複数の層は、
    気密性の第2の層と、
    液体不透過性の第3の層と、を備え、
    前記気密性の第2の層が、前記液体不透性の第3層の外側にある、請求項1から6のいずれか一項に記載の容器。
  9. 前記撥物質性の内側の層が、ポリテトラフルオロエチレンからなる、請求項1から8のいずれか一項に記載の容器。
  10. 前記気密性の第2の層が、ナイロン材からなる、請求項1から9のいずれか一項に記載の容器。
  11. 前記液体不透過性の第3の層がある場合は、前記液体不透過性の第3の層がポリプロピレン材からなる、請求項1から10のいずれか一項に記載の容器。
  12. 層状のプリフォームを射出成形するステップと、
    ブロー成形型に補強層を含めるステップと、
    前記プリフォームを最終形状にブロー成形するステップと、を含む、請求項1から11のいずれか一項に記載の容器を成形する方法。
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EP1833540A1 (en) 2007-09-19
WO2006067383A1 (en) 2006-06-29
ATE504327T1 (de) 2011-04-15
PL1833540T3 (pl) 2012-07-31
ES2361755T3 (es) 2011-06-21
SI1833540T1 (sl) 2011-10-28
JP2008525277A (ja) 2008-07-17
GB0428204D0 (en) 2005-01-26
CY1111667T1 (el) 2015-10-07
US8329271B2 (en) 2012-12-11
EP1833540B1 (en) 2011-04-06
US20080107848A1 (en) 2008-05-08
JP2011201601A (ja) 2011-10-13
DE602005027392D1 (de) 2011-05-19
PT1833540E (pt) 2011-05-31
JP2014138849A (ja) 2014-07-31

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