JP6190959B2 - 液体噴射にかかる径制御 - Google Patents
液体噴射にかかる径制御 Download PDFInfo
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- B29C2049/4602—Blowing fluids
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
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- B29C2049/465—Blowing fluids being incompressible
- B29C2049/4652—Blowing fluids being incompressible hot liquids
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- 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
- B29C2049/4602—Blowing fluids
- B29C2049/465—Blowing fluids being incompressible
- B29C2049/4664—Blowing fluids being incompressible staying in the final article
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- 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/78—Measuring, controlling or regulating
- B29C2049/7879—Stretching, e.g. stretch rod
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- 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
- B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
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- 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
- B29C2949/0761—Preforms or parisons characterised by their configuration characterised by the shape characterised by overall the shape
- B29C2949/0762—Conical
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- 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
- B29C2949/0771—Wide-mouth
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- 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
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/06—Injection blow-moulding
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- 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
- B29C49/08—Biaxial stretching during blow-moulding
- B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
- B29C49/12—Stretching rods
- B29C49/1208—Stretching rods using additional means to clamp the preform bottom while stretching the preform
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- 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/4289—Valve constructions or configurations, e.g. arranged to reduce blowing fluid consumption
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- 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/58—Blowing means
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- 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/78—Measuring, controlling or regulating
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- 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
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/003—PET, i.e. poylethylene terephthalate
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- 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
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- 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
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- 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
- B29L2031/7158—Bottles
- B29L2031/716—Bottles of the wide mouth type, i.e. the diameters of the bottle opening and its body are substantially identical
Description
Claims (20)
- プラスチック製プリフォームから容器を形成するための方法であって、前記容器の形状のキャビティを規定する内面を有する型内に、閉端及び開端により画定され前記プリフォームの最小径を規定する本体を有する前記プリフォームを位置付ける位置付けステップと、液体である成形媒体を前記プリフォーム内に射出する射出ステップと、前記型内で前記プリフォームを軸方向に延伸する延伸ステップと、射出された前記成形媒体により、前記容器の形状を規定する前記キャビティの内面に沿って前記プリフォームを径方向に膨張させる膨張ステップとを含み、
前記射出ステップはさらに、前記成形媒体を前記プリフォームの前記最小径未満の外径を有する細流に形成するステップと、前記細流が前記プリフォームの前記閉端に最初に衝突するように前記細流を前記プリフォーム内に方向付けて、前記プリフォームの前記閉端以外の部分に最初に衝突することを防止するステップとを含むことを特徴とする方法。 - 請求項1記載の方法において、前記プリフォームは、前記プリフォームの口部と本体との間に延設された移行部を有し、前記移行部は、前記プリフォームの前記口部から前記本体に至るまで縮径しており、前記成形媒体の前記射出ステップはさらに、前記細流を形成し、前記細流が前記移行部に衝突しないように前記細流を射出するステップを含むことを特徴とする方法。
- 請求項2記載の方法において、前記成形媒体の前記射出ステップはさらに、前記細流を形成し、前記細流が前記プリフォームの前記本体に衝突しないように前記細流を射出するステップを含むことを特徴とする方法。
- 請求項1記載の方法において、前記プリフォームを軸方向に延伸する前記延伸ステップは、延伸ロッドを、前記延伸ロッドが前記プリフォーム内に延長される延長位置まで移動させ、前記プリフォームに接触させるステップを含むことを特徴とする方法。
- 請求項4記載の方法において、液体の前記射出ステップは、前記延伸ロッドを前記プリフォーム内で延長しながら行われることを特徴とする方法。
- 請求項1記載の方法において、液体の前記射出ステップは、前記プリフォームを軸方向に延伸する前記延伸ステップの後に行われることを特徴とする方法。
- 請求項1記載の方法において、前記プリフォームを軸方向に延伸する前記延伸ステップは、前記プリフォーム内に射出された前記成形媒体が前記プリフォームに加える力により、前記プリフォームを軸方向に延伸するステップを含むことを特徴とする方法。
- 請求項1記載の方法において、前記成形媒体の前記射出ステップはさらに、前記プリフォームの前記本体の前記最小径よりも2mm以上小さい径を有する前記細流を形成するステップを含むことを特徴とする方法。
- 請求項1記載の方法において、当該方法はさらに、センタリングロッドを前記キャビティ内に延長するステップと、前記プリフォームの前記閉端の外面を前記センタリングロッドと係合させるステップと、前記プリフォームの軸方向の延伸において、前記センタリングロッドを後退させるステップとを含むことを特徴とする方法。
- プラスチック製プリフォームを容器へと液圧ブロー成形するための成形システムであって、
前記容器の形状の型キャビティを規定する内面を有すると共に、閉端と開端との間に延設され前記プリフォームの最小内径を規定する本体を有するプリフォームを内部に収容するように構成された型と、
貫通する主ボア、並びに、前記主ボアへの入口及び出口径を規定する前記主ボアからの出口を有するノズル本体を有するノズルと、
前記ノズルに対して閉位置と開位置との間を移動可能な密封ピンであり、前記閉位置では前記出口を前記主ボアから塞止し、前記開位置では前記出口を塞止しない密封ピンと、
前記ノズルに連結された、前記容器中に貯留される液体である成形媒体の供給源とを有し、
前記出口径は、前記プリフォームの前記最小内径未満であり、それにより、成形中に前記成形媒体は前記出口から前記プリフォーム内へ細流として射出され、前記細流は前記プリフォームの前記本体に衝突しないことを特徴とする成形システム。 - 請求項10記載の成形システムにおいて、前記プリフォームの前記本体は、前記開端から前記閉端に向かって延設された移行部を有し、前記移行部は、前記口部から前記閉端に向かって縮径していることを特徴とする成形システム。
- 請求項11記載の成形システムにおいて、前記出口径は、前記プリフォームの前記最小内径よりも2mm以上小さい径を有することを特徴とする成形システム。
- 請求項10記載の成形システムにおいて、当該成形システムはさらに、前記密封ピンの中央ボアに設けられ、後退位置と延長位置との間を移動可能な延伸ロッドを有し、前記延長位置において前記延伸ロッドは前記プリフォーム内に延長されることを特徴とする成形システム。
- 請求項13記載の成形システムにおいて、前記延伸ロッドは前記出口の中央に延長されることを特徴とする成形システム。
- 請求項13記載の成形システムにおいて、当該成形システムはさらに、後退位置と延長位置との間を移動可能なセンタリングロッドを有し、前記延長位置において前記センタリングロッドは、前記プリフォームの前記閉端の外面に接触することを特徴とする成形システム。
- 請求項10記載の成形システムにおいて、当該成形システムはさらに、後退位置と延長位置との間を移動可能なセンタリングロッドを有し、前記延長位置において前記センタリングロッドは、前記プリフォームの軸方向の延伸時に前記プリフォームの前記閉端の外面に接触することを特徴とする成形システム。
- 請求項10記載の成形システムにおいて、前記出口は噴出角度を規定する末端部を有することを特徴とする成形システム。
- 請求項17記載の成形システムにおいて、前記噴出角度は、前記出口を貫通する中心縦軸に対して規定され、0度〜5度の範囲であることを特徴とする成形システム。
- 請求項17記載の成形システムにおいて、前記噴出角度は、前記出口を貫通する中心縦軸に対して規定され、0度であることを特徴とする成形システム。
- 請求項10記載の成形システムにおいて、前記プリフォームの前記最小内径は、前記プリフォームの移行部により規定されることを特徴とする成形システム。
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PCT/US2013/048450 WO2014209339A1 (en) | 2013-06-28 | 2013-06-28 | Liquid jet diameter control |
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JP6645771B2 (ja) * | 2015-08-27 | 2020-02-14 | 株式会社吉野工業所 | 容器成形装置および容器成形方法 |
JP6730164B2 (ja) * | 2016-10-31 | 2020-07-29 | 株式会社吉野工業所 | 液体ブロー成形装置及び液体ブロー成形方法 |
EP3645239B1 (en) | 2017-06-30 | 2024-03-13 | Discma AG | Method of blow molding with a liquid |
US11198243B2 (en) | 2018-01-11 | 2021-12-14 | Husky Injection Molding Systems Ltd. | Method and apparatus for forming final-shaped containers using liquid to be contained therein |
DE102018125794A1 (de) * | 2018-10-17 | 2020-04-23 | Krones Ag | Formfüllen mit anschließender Verschließung unter Innendruck |
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CA2649312A1 (en) * | 2006-04-27 | 2007-11-08 | Toyo Seikan Kaisha, Ltd. | Method of feeding composite molten resin and apparatus for feeding the same |
BRPI0621998A2 (pt) * | 2006-09-15 | 2011-12-27 | Alpha Werke Alwin Lehner Gmbh & Co Kg | preforma para a produÇço de garrafas de plÁstico, garrafa de plÁstico, e, processo para a produÇço de uma garrafa de plÁstico em um processo de estiramento por sopro |
US8020717B2 (en) * | 2007-04-19 | 2011-09-20 | Graham Packaging Company, Lp | Preform base and method of making a delamination and crack resistant multilayer container base |
FR2962931B1 (fr) | 2010-07-20 | 2014-02-14 | Sidel Participations | Dispositif d'injection d'au moins deux fluides sous pression dans le col d'un recipient pour le formage dudit recipient |
US8968636B2 (en) * | 2010-10-15 | 2015-03-03 | Discma Ag | Stretch rod system for liquid or hydraulic blow molding |
CN103635389B (zh) | 2011-01-31 | 2016-04-13 | Khs有限责任公司 | 用于制造利用液态填充物填充的容器的方法和装置 |
WO2013063453A1 (en) | 2011-10-27 | 2013-05-02 | Amcor Limited | Method and apparatus for forming and filling a container |
-
2013
- 2013-06-28 US US14/900,722 patent/US9987789B2/en active Active
- 2013-06-28 JP JP2016523714A patent/JP6190959B2/ja active Active
- 2013-06-28 EP EP13737922.8A patent/EP3013556B1/en active Active
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US20160136866A1 (en) | 2016-05-19 |
JP2016523743A (ja) | 2016-08-12 |
US9987789B2 (en) | 2018-06-05 |
EP3013556A1 (en) | 2016-05-04 |
WO2014209339A1 (en) | 2014-12-31 |
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