JP2018183973A - 液体入り容器の製造方法 - Google Patents
液体入り容器の製造方法 Download PDFInfo
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- JP2018183973A JP2018183973A JP2017127253A JP2017127253A JP2018183973A JP 2018183973 A JP2018183973 A JP 2018183973A JP 2017127253 A JP2017127253 A JP 2017127253A JP 2017127253 A JP2017127253 A JP 2017127253A JP 2018183973 A JP2018183973 A JP 2018183973A
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- Prior art keywords
- liquid
- preform
- rod
- container
- blow molding
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- 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.)
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Classifications
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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
-
- 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
-
- 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
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
-
- 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
-
- 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
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/02—Machines characterised by the incorporation of means for making the containers or receptacles
- B65B3/022—Making containers by moulding of a thermoplastic material
-
- 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
- B29C49/46—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
-
- 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
- B29C49/46—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
-
- 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
- B29C49/783—Measuring, controlling or regulating blowing pressure
- B29C2049/7832—Blowing with two or more pressure levels
-
- 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
-
- 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
-
- 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
- B29C49/4273—Auxiliary operations after the blow-moulding operation not otherwise provided for
- B29C49/42815—Emptying the article, e.g. emptying hydraulic blowing fluid
-
- 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
Abstract
Description
2 プリフォーム
2a 口部
2b 胴部
10 ブロー成形用金型
11 キャビティ
20 ノズルユニット
21 本体ブロック
22 支持ブロック
22a 接続ポート
23 ブローノズル
23a 液体供給口
23b 排出口
23c 流路
23d 連結路
24 供給路
25 供給ポート
26 シール体
26a 突起部
27 軸体
28 延伸ロッド(ロッド部材)
30 加圧液体供給源
30a シリンダ
30b ピストン
31 供給タンク
32 圧力計
40 流路
41 接続ポート
42 シール面
43 シールピン
44 ピストン
45 シリンダ室
46 閉側ポート
47 開側ポート
L 液体
P1 配管
V1 開閉弁
P2 配管
V2 開閉弁
C 液体入り容器
Claims (9)
- 合成樹脂製のプリフォームから内容液を収容した液体入り容器を製造する液体入り容器の製造方法であって、
ブロー成形用金型に装着した前記プリフォームの口部にブローノズルを係合させるノズル係合工程と、
前記ブローノズルに設けられた排出口を開いた状態で、前記ブローノズルに前記排出口とは別に設けられた液体供給口から前記プリフォームの内部に所定量の液体を供給して前記プリフォームの内部の空気を液体に置換する液体置換工程と、
前記排出口を閉じた後、前記液体供給口から前記プリフォームの内部に加圧した液体を供給して、前記プリフォームを前記ブロー成形用金型の内面に沿った形状の液体入り容器に成形する液体ブロー成形工程と、を有することを特徴とする液体入り容器の製造方法。 - 前記液体置換工程において、前記液体ブロー成形工程よりも低い圧力で前記プリフォームの内部に所定量の液体を供給する、請求項1に記載の液体入り容器の製造方法。
- 前記液体ブロー成形工程の前または前記液体ブロー成形工程の最中に、延伸ロッドにより前記プリフォームを軸方向に延伸させるロッド延伸工程を有するとともに、
前記液体ブロー成形工程の後に、前記延伸ロッドを前記液体入り容器から離脱させるロッド引抜き工程を有する、請求項1または2に記載の液体入り容器の製造方法。 - 前記液体ブロー成形工程の後、前記液体供給口を通して成形後の前記液体入り容器の内部から所定量の液体を排出させる液体排出工程と、
所定量の液体を排出した状態の前記液体入り容器の口部から前記ブローノズルを離脱させて前記液体入り容器の内部に所定量のヘッドスペースを生じさせるヘッドスペース形成工程と、をさらに有する、請求項1〜3の何れか1項に記載の液体入り容器の製造方法。 - 前記液体排出工程が、前記液体供給口を通して成形後の前記液体入り容器の内部から所定量の液体を吸い戻すサックバックにより行われる、請求項4に記載の液体入り容器の製造方法。
- 前記液体置換工程の前に、前記プリフォームの内部にロッド部材を挿入するロッド挿入工程を有し、
前記ロッド挿入工程により前記ロッド部材が挿入された状態の前記プリフォームに対して前記液体置換工程を行う、請求項1〜5の何れか1項に記載の液体入り容器の製造方法。 - 前記ロッド挿入工程において、前記ロッド部材を、前記プリフォームの内容積の30%〜70%を占める位置まで挿入する、請求項6に記載の液体入り容器の製造方法。
- 前記ロッド部材が、前記プリフォームを軸方向に延伸させる延伸ロッドである、請求項6または7に記載の液体入り容器の製造方法。
- 前記液体供給口を開閉するシール体の開度を調整することにより、前記液体置換工程において前記プリフォームの内部に液体を供給する際の前記液体供給口の有効断面積を、前記液体ブロー成形工程において前記プリフォームの内部に加圧した液体を供給する際の前記液体供給口の有効断面積の10%以下とする、請求項1〜8の何れか1項に記載の液体入り容器の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2018/001932 WO2018198449A1 (ja) | 2017-04-27 | 2018-01-23 | 液体入り容器の製造方法 |
CN201880025323.2A CN110545983B (zh) | 2017-04-27 | 2018-01-23 | 装有液体的容器的制造方法 |
EP18791682.0A EP3616881B1 (en) | 2017-04-27 | 2018-01-23 | Liquid container manufacturing method |
US16/604,525 US11396123B2 (en) | 2017-04-27 | 2018-01-23 | Liquid container manufacturing method |
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JP2017088890 | 2017-04-27 | ||
JP2017088890 | 2017-04-27 |
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JP2018183973A true JP2018183973A (ja) | 2018-11-22 |
JP6864570B2 JP6864570B2 (ja) | 2021-04-28 |
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US (1) | US11396123B2 (ja) |
EP (1) | EP3616881B1 (ja) |
JP (1) | JP6864570B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020110516A1 (ja) * | 2018-11-27 | 2020-06-04 | 株式会社吉野工業所 | ブロー成形装置 |
JP2020090087A (ja) * | 2018-11-27 | 2020-06-11 | 株式会社吉野工業所 | ブロー成形装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6837934B2 (ja) * | 2016-10-28 | 2021-03-03 | 株式会社吉野工業所 | 液体ブロー成形方法 |
CN111615409A (zh) | 2017-11-17 | 2020-09-01 | 科斯卡家族有限公司 | 用于流体输送歧管的系统和方法 |
JP7026595B2 (ja) * | 2018-08-31 | 2022-02-28 | 株式会社吉野工業所 | 液体入り容器の製造方法及び製造装置 |
FR3109743A1 (fr) * | 2020-04-30 | 2021-11-05 | Sidel Participations | Organe de type « appui buvant », tuyère et installation de soufflage de corps creux |
USD992110S1 (en) | 2021-08-10 | 2023-07-11 | Koska Family Limited | Sealed fluid container |
Citations (4)
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JP2009533290A (ja) * | 2006-04-13 | 2009-09-17 | アムコー リミテッド | 液圧又は水圧ブロー成型 |
US20130113143A1 (en) * | 2010-07-20 | 2013-05-09 | Sidel Participations | Method of forming a container by blowing and filling |
JP2014069441A (ja) * | 2012-09-28 | 2014-04-21 | Yoshino Kogyosho Co Ltd | ブロー成形装置及び容器の製造方法 |
JP2016165907A (ja) * | 2016-06-21 | 2016-09-15 | 株式会社吉野工業所 | ブロー成形装置 |
Family Cites Families (4)
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JP5806929B2 (ja) | 2011-12-27 | 2015-11-10 | 株式会社吉野工業所 | ブロー成形装置およびブロー成形容器の製造方法 |
EP2832682B1 (en) | 2012-03-30 | 2018-07-25 | Discma AG | Method for manufacturing container containing content fluid and blow-molding device |
JP6230926B2 (ja) | 2014-01-30 | 2017-11-15 | 株式会社吉野工業所 | ブロー成形装置およびブロー成形方法 |
EP3202550B1 (en) | 2014-03-10 | 2018-09-05 | Discma AG | Method of forming and setting headspace within a container |
-
2017
- 2017-06-29 JP JP2017127253A patent/JP6864570B2/ja active Active
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2018
- 2018-01-23 US US16/604,525 patent/US11396123B2/en active Active
- 2018-01-23 EP EP18791682.0A patent/EP3616881B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009533290A (ja) * | 2006-04-13 | 2009-09-17 | アムコー リミテッド | 液圧又は水圧ブロー成型 |
US20130113143A1 (en) * | 2010-07-20 | 2013-05-09 | Sidel Participations | Method of forming a container by blowing and filling |
JP2014069441A (ja) * | 2012-09-28 | 2014-04-21 | Yoshino Kogyosho Co Ltd | ブロー成形装置及び容器の製造方法 |
JP2016165907A (ja) * | 2016-06-21 | 2016-09-15 | 株式会社吉野工業所 | ブロー成形装置 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020110516A1 (ja) * | 2018-11-27 | 2020-06-04 | 株式会社吉野工業所 | ブロー成形装置 |
JP2020090087A (ja) * | 2018-11-27 | 2020-06-11 | 株式会社吉野工業所 | ブロー成形装置 |
US11345072B2 (en) | 2018-11-27 | 2022-05-31 | Yoshino Kogyosho Co., Ltd. | Blow molding device |
EP3888882A4 (en) * | 2018-11-27 | 2022-08-03 | Yoshino Kogyosho Co., Ltd. | BLOW MOLDING DEVICE |
JP7217686B2 (ja) | 2018-11-27 | 2023-02-03 | 株式会社吉野工業所 | ブロー成形装置 |
Also Published As
Publication number | Publication date |
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JP6864570B2 (ja) | 2021-04-28 |
EP3616881B1 (en) | 2022-08-10 |
US11396123B2 (en) | 2022-07-26 |
EP3616881A4 (en) | 2020-12-30 |
US20200156302A1 (en) | 2020-05-21 |
EP3616881A1 (en) | 2020-03-04 |
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