JP2016530137A - 薄い底部を有する、プラスチック容器のためのプリフォーム - Google Patents
薄い底部を有する、プラスチック容器のためのプリフォーム Download PDFInfo
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- JP2016530137A JP2016530137A JP2016542332A JP2016542332A JP2016530137A JP 2016530137 A JP2016530137 A JP 2016530137A JP 2016542332 A JP2016542332 A JP 2016542332A JP 2016542332 A JP2016542332 A JP 2016542332A JP 2016530137 A JP2016530137 A JP 2016530137A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
-
- 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
-
- 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
- B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
- B29B11/08—Injection moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
- B29B11/12—Compression 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
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
-
- 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
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
- B29C2949/0725—Preforms or parisons characterised by their configuration having variable wall thickness at bottom portion
-
- 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
- B29C2949/081—Specified dimensions, e.g. values or ranges
- B29C2949/0811—Wall thickness
- B29C2949/0817—Wall thickness of the body
-
- 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
- B29C2949/081—Specified dimensions, e.g. values or ranges
- B29C2949/0811—Wall thickness
- B29C2949/0818—Wall thickness of the bottom
-
- 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
- B29C2949/0861—Other specified values, e.g. values or ranges
- B29C2949/0862—Crystallinity
- B29C2949/0866—Crystallinity at the bottom portion
-
- 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
-
- 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
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/0685—Compression blow-moulding
-
- 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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Abstract
Description
0.7≦BWT/WT≦0.95。
−ネック部と、
−プリフォーム先端部を画定し最小底部肉厚BWTminを画定する先端部を有する、底部分と、
−底部分とネック部との間を延び、側部肉厚WTを画定する、本体部分と
を備え、
前記最小底部肉厚BWTminから前記側部肉厚WTへの肉厚のゆるやかな移行部があり、前記移行部は底部分の端部で終端し、
比BWTmin/WTが0.20と0.55との間になるように構成される、
プリフォームによって達成される。
0.20≦BWTmin/WT≦0.55、好ましくは0.25≦BWTmin/WT≦0.55であり、
ここで、BWTminは最小の底部肉厚、すなわちプリフォーム先端部の底部肉厚である。このことは、プリフォーム先端部領域ではプリフォームの肉厚を最適化でき、射出点の周りの無駄な材料を実質的に低減できることを意味する。同じボトルを生産する2つのプリフォーム、つまり、図1および図2の従来の射出技術を用いて生産された一方のプリフォームと、図3および図4のICPを用いて生産された他方のプリフォームとを比較すると、ICPを用いた場合は最小比0.7を保証する必要がなく、したがって、プリフォーム先端部領域の肉厚がより小さくなるので、ICPを用いて生産された方が軽量のベースを有する。図1は、炭酸清涼飲料(CSD)用プリフォームの最終部品100の現行技術の設計を示し、ここで、参照番号1は本体部分を示し、参照番号2は、本体1が始まるペタルの支持点で終端する底部分を示す。この例では、底部肉厚BWTは一様であり、比BWT/WTは0.8程度のものであり、最終ボトルの重量は21グラムである。図2は現行技術の水用ボトルのためのプリフォームを示す。この例では、底部肉厚BWTは一様であり、比BWT/WTは0.83程度のものであり、最終ボトルの重量は7.2グラムである。図3および図4は、本発明によるプリフォームの2つの例であり、ここで、底部肉厚BWTは図1および図2に示された例と比較すると一様でない。新規な設計による図3のCSDプリフォームは、ゲート3の周りにより薄いゾーンを呈し、ゲート3の先端部はより薄い点である。図3のプリフォームでは、比BWTmin/WTは0.25程度のものであり、プリフォームの重量は19.6グラムでしかない。ここで、BWTminはゲート3の点の底部肉厚を示し、ここで、厚さは最小値を有する。図4は水用ボトルのプリフォームに関する同じ概念を示す:この場合、比BWTmin/WTは0.55程度のものであり、重量は6.0グラム程度のものである。繰り返しになるが、所与の数字は単なる一例であり本発明の範囲を全く限定しない。
Claims (7)
- ブロー成形工程によって最終ブロー成形容器を作製するように適合された、重量20g未満のPET製プリフォーム(100)であって、前記プリフォームは、
ネック部と、
プリフォーム先端部を画定し最小底部肉厚BWTminを画定する先端部(3)を有する、底部分(2)と、
前記底部分(2)と前記ネック部との間を延び、側部肉厚WTを画定する、本体部分(1)と
を備え、
前記最小底部肉厚BWTminから前記側部肉厚WTへの肉厚のゆるやかな移行部があり、前記移行部は前記底部分の端部で終端し、
比BWTmin/WTが0.20と0.55との間になるように構成される、
プリフォーム(100)。 - 前記底部分の端部では、側部肉厚WTを有するプリフォーム部分が終了する領域に、前記側部肉厚WTより大きい厚さWTmaxを有する壁ステップ(4)が設けられる、請求項1に記載のプリフォーム。
- 前記壁ステップ(4)の前記厚さWTmaxは、前記側部肉厚WTより4%と20%との間の値だけ大きい、請求項2に記載のプリフォーム。
- 前記壁ステップ(4)は前記本体部分(1)と前記底部分(2)との間に配置される、請求項2または3に記載のプリフォーム。
- 前記プリフォームは炭酸清涼飲料ボトルのためのものであり、前記比BWTmin/WTは0.20と0.30との間にある、請求項1から4のいずれか一項に記載のプリフォーム。
- 前記プリフォームは炭酸清涼飲料以外の飲料ボトルのためのものであり、前記比BWTmin/WTは0.50と0.55との間にある、請求項1から4のいずれか一項に記載のプリフォーム。
- 容量0.75L未満のボトルを作製するように適合される、請求項1から6のいずれか一項に記載のプリフォーム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM2013A000510 | 2013-09-13 | ||
IT000510A ITRM20130510A1 (it) | 2013-09-13 | 2013-09-13 | Preforma per contenitore in plastica avente fondo sottile |
PCT/EP2014/069632 WO2015036596A1 (en) | 2013-09-13 | 2014-09-15 | Preform for plastic container with thin bottom |
Publications (3)
Publication Number | Publication Date |
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JP2016530137A true JP2016530137A (ja) | 2016-09-29 |
JP2016530137A5 JP2016530137A5 (ja) | 2017-10-26 |
JP6553622B2 JP6553622B2 (ja) | 2019-07-31 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2016542332A Active JP6553622B2 (ja) | 2013-09-13 | 2014-09-15 | 薄い底部を有する、プラスチック容器のためのプリフォーム |
Country Status (14)
Country | Link |
---|---|
US (1) | US11104038B2 (ja) |
EP (1) | EP3043974B1 (ja) |
JP (1) | JP6553622B2 (ja) |
CN (1) | CN105682877B (ja) |
BR (1) | BR112016005580B1 (ja) |
CA (1) | CA2924183C (ja) |
ES (1) | ES2671357T3 (ja) |
IT (1) | ITRM20130510A1 (ja) |
MX (1) | MX2016003232A (ja) |
NO (1) | NO3043974T3 (ja) |
PL (1) | PL3043974T3 (ja) |
TR (1) | TR201807910T4 (ja) |
WO (1) | WO2015036596A1 (ja) |
ZA (1) | ZA201602179B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH711621A1 (en) * | 2015-10-08 | 2017-04-13 | Alpla Werke Alwin Lehner Gmbh & Co Kg | Preform for producing a plastic container in a stretch blow molding process. |
CN108908785A (zh) * | 2018-07-16 | 2018-11-30 | 西帕机械(杭州)有限公司 | 一种具有两段直线型胚身的瓶胚 |
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US20130244050A1 (en) * | 2010-12-09 | 2013-09-19 | Husky Injection Molding System Ltd. | Preform and a mold stack for producing the preform |
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US20100304169A1 (en) * | 2009-05-27 | 2010-12-02 | Alpla Werke Alwin Lehner Gmbh & Co. Kg | Preform for plastics material bottles or wide-necked vessels |
-
2013
- 2013-09-13 IT IT000510A patent/ITRM20130510A1/it unknown
-
2014
- 2014-09-15 BR BR112016005580-2A patent/BR112016005580B1/pt active IP Right Grant
- 2014-09-15 TR TR2018/07910T patent/TR201807910T4/tr unknown
- 2014-09-15 US US15/021,520 patent/US11104038B2/en active Active
- 2014-09-15 CN CN201480049691.2A patent/CN105682877B/zh active Active
- 2014-09-15 MX MX2016003232A patent/MX2016003232A/es unknown
- 2014-09-15 PL PL14789181T patent/PL3043974T3/pl unknown
- 2014-09-15 WO PCT/EP2014/069632 patent/WO2015036596A1/en active Application Filing
- 2014-09-15 CA CA2924183A patent/CA2924183C/en active Active
- 2014-09-15 JP JP2016542332A patent/JP6553622B2/ja active Active
- 2014-09-15 EP EP14789181.6A patent/EP3043974B1/en active Active
- 2014-09-15 ES ES14789181.6T patent/ES2671357T3/es active Active
- 2014-09-15 NO NO14789181A patent/NO3043974T3/no unknown
-
2016
- 2016-03-31 ZA ZA2016/02179A patent/ZA201602179B/en unknown
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04279445A (ja) * | 1990-03-05 | 1992-10-05 | Continental Pet Technol Inc | 詰替え可能なポリエステル容器および該容器の形成用プリフォーム並びにその形成のための吹込型 |
JPH04163106A (ja) * | 1990-10-26 | 1992-06-08 | Nissei Asb Mach Co Ltd | 合成樹脂製の缶胴成形用プリフォーム及びそれを用いた合成樹脂製缶胴の製造方法 |
JPH06198719A (ja) * | 1992-09-25 | 1994-07-19 | Nissei Asb Mach Co Ltd | 自立瓶の二軸延伸吹込成形方法及びそれに用いるプリフォーム |
JP2000506078A (ja) * | 1996-03-07 | 2000-05-23 | シパ ソシエタ ペル アチオニ | 熱可塑性樹脂製パリソン及び関連する製造方法の改良 |
JP2003025397A (ja) * | 2001-07-19 | 2003-01-29 | Toyo Seikan Kaisha Ltd | プリフォームの射出圧縮成形法 |
US20070222123A1 (en) * | 2004-04-30 | 2007-09-27 | Christophe Bunel | Method for Producing Containers Comprising a Narrow Opening and a Long Body by Means of Below Molding or Stretch Below Molding Polypropylene Preforms |
JP2009517295A (ja) * | 2005-11-25 | 2009-04-30 | サックミ コーペラティバ マッカニキ イモラ ソシエタ コーペラティバ | 容器及び容器を得るためのプリフォーム |
JP2008178994A (ja) * | 2007-01-23 | 2008-08-07 | Hokkai Can Co Ltd | ブロー成形ボトル用プリフォーム |
US20130244050A1 (en) * | 2010-12-09 | 2013-09-19 | Husky Injection Molding System Ltd. | Preform and a mold stack for producing the preform |
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US11104038B2 (en) | 2021-08-31 |
ES2671357T3 (es) | 2018-06-06 |
EP3043974B1 (en) | 2018-03-07 |
PL3043974T3 (pl) | 2018-10-31 |
JP6553622B2 (ja) | 2019-07-31 |
BR112016005580B1 (pt) | 2021-08-31 |
US20160229087A1 (en) | 2016-08-11 |
NO3043974T3 (ja) | 2018-08-04 |
CA2924183A1 (en) | 2015-03-19 |
CA2924183C (en) | 2022-01-18 |
BR112016005580A2 (ja) | 2017-08-01 |
CN105682877A (zh) | 2016-06-15 |
EP3043974A1 (en) | 2016-07-20 |
WO2015036596A1 (en) | 2015-03-19 |
ITRM20130510A1 (it) | 2015-03-14 |
ZA201602179B (en) | 2017-06-28 |
MX2016003232A (es) | 2016-06-07 |
CN105682877B (zh) | 2018-09-25 |
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