CN1832836A - 容器预制坯的连续生产 - Google Patents
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Abstract
用于吹模容器的预制坯生产方法，包括通过在压模预制坯之前不经多酯聚合物固化而由熔融相聚合和多酯聚合物的预制坯的压模生产多酯聚合物。该加工的优点在于省去了固化小球形式聚合物的常规中间步骤，将小球运输到预制坯制造厂然后再融化聚合物的步骤。此外，因为预制坯由熔融相聚合物直接产生，因此聚合物具有0.65或更低的固有粘度，其尤其可用于用于低压，低温应用的容器的吹模。
Description
本发明涉及用于塑性容器吹模的预制坯，更尤其是涉及在对预制坯模制之前不经固化多酯聚合物从熔融相多酯聚合物连续生产塑性预制坯的方法。
发明背景以及概述
用于中空塑性容器吹模的预制坯通常批量产生，其中对一或多种固相聚合物诸如聚对苯二甲酸乙二醇酯(PET)进行熔融并注入预制坯模子中。本发明的目的是提供生产预制坯的方法，其中在连续生产过程中在制造预制坯之前不经聚合物固化而从熔融相的流动聚合物产生预制坯。
根据本发明的第一方面，用于容器吹模的预制坯的生产方法包括在预制坯压模之前不经多酯聚合物固化而由熔融相聚合和多酯聚合物的预制坯压模生产多酯聚合物。该加工的优点在于省去了小球形式聚合物固化的常规中间步骤，以及将小球运输到预制坯制造厂然后再融化聚合物的步骤。此外，因为预制坯由熔融相聚合物直接产生，因此聚合物具有0.65或更低的固有粘度，其尤其可用于低压，低温应用诸如人身护理或者干燥食品的容器的吹模。
根据本发明的一个优选的实施方案，生产用于容器吹模的预制坯的方法包括由熔融相聚合产生聚酯树脂的连续流以及将连续流分成熔融相的单独的压模进料。本发明提供了压模腔的连续流，并且将单独的模装料置于相连的模腔中。将模装料压模成单独的预制坯，从而由多酯聚合物的连续流生产预制坯的连续流。
附图说明
本发明连同其它的目的，特征，优点及其方面将根据下列描述，附加权利要求以及附图得以最好的理解，其中：
图1是图解生产填充和加盖吹模容器的方法的流程图，包括根据本发明压模预制坯；
图2A和2B图解了根据本发明的典型实施方案生产用于预制坯压模的模腔；
图3是根据本发明生产的典型的预制坯的侧视图；
图3A是图3中区域3A内部分预制坯的碎片的剖视图；
图3B是图解图3A的改进实施方案的碎片的剖视图；并且
图4是根据本发明的一个典型实施方案的吹模容器的侧视图。
优选实施方案的详细描述
图1图解了根据本发明的优选实施方案生产预制坯的方法10。诸如PET的聚酯树脂由常规的熔融相聚合在反应器12中产生。齿轮泵14等计量了从反应器12的出口到容器预制坯压模的阶段16的熔融相聚酯树脂的连续流。压模阶段16公开在美国专利5,866,177或者6,349,838中的，其内容在此处引入作为参考。一系列压模18(图2A和2B)提供在合适的结构上，诸如转台上用于对预制坯的压模进行连续操作。每一模18包括阴模腔20和阳模中心22。模18存在于连续流中，诸如将闭路中的模子移动通过连续的生产阶段。来自泵14的熔融相聚合物的连续流被隔断成单独的模子装料23，并且每一模子装料顺序置于相应的模腔20中。模子装料隔断以及递送结构可以公开在上述参考的美国专利中。然后将每一模芯22移入相连的腔20中对容器预制坯24(图2B以及3)进行压模。然后依次收回每一模芯22，并且喷射预制坯24或者从模腔20或者模芯22收回。(图解在图2A和2B中的预制坯模腔构造，图解在图2B和3中的预制坯几何结构，以及图解在图4中的容器几何结构本质上用于通用的目的，模腔，预制坯以及容器几何结构在本发明中，但本身并不构成本发明的一部分。
预制坯24优选为合适的多酯聚合物诸如PET或者聚萘二甲酸乙二酯(PEN)的单层结构(图3A)。多酯聚合物也可以包括加工重磨。本发明的特定优点是聚酯树脂可以具有低固有粘度(IV)，其降低了预制坯以及从预制坯模制容器的成本。按照ASTM D-5225-92的测定，例如采用PET，聚合物可以具有0.65或者更少的固有粘度。从这种聚合物模制的低IV PET容器适于低压，低温应用诸如人身护理以及干燥食品。或者，可以在压模阶段16之前向熔体流添加其它常规的添加剂提高熔融相聚酯的粘度。如图3A所示，优选的预制坯24是单层壁构造。作为改进，可以将成层阶段置于图1的泵14和压模阶段16之间产生具有一或多个中间壁层24b的预制坯24a(图3B)。这种中间层可以包括例如尼龙或者乙烯-乙烯醇共聚物(EVOH)的阻挡层从而延迟二氧化碳，氧气，水汽和/或香料通过最终容器的壁的迁移。
预制坯24(或者24a)可以运送到用于吹模的包装机并且装入图1中26所示的加工。或者，加工10，26可以整合到单一的连续生产过程中，其中将预制坯中间产品压模阶段16输入连续操作到吹模阶段28，其中将单独的预制坯吹模形成容器29(图4)。这种整体工艺中的吹模阶段28本身是连续生产过程(与批量生产不同)，例如图解在美国专利5,683,729，5,863,571和6,168,749中。可以在吹模阶段28中将中间闭模和/或调节阶段包括在内用于诸如通过将预制坯漆面结晶，将预制坯冷却到目的吹模温度，调整预制坯的温度分布图到合适的吹模状态等等来调节预制坯。将阶段28吹模的容器提供给填充阶段30，该阶段的容器填充有合适的产品。然后在32对容器加盖。填充阶段30以及加盖阶段32可以组合在单一的填充以及加盖机中。然后通过加标签阶段34将填充以及加盖容器提供到运输或者库存阶段36。加工10，26可以联合在“通过壁”的操作中，其中阶段16的压模预制坯中间产品通过“壁”38进行供给，所述“壁”38将一个企业实体的压模操作与第二企业实体的容器吹制，填充，加盖，加标签以及运输操作26分开。图1中图解的填充，加盖以及加标签阶段是连续的串联吹模阶段的继续从而在连续操作中生产填充，加盖以及加标签的多酯聚合物容器。
本发明描述了生产用于塑性容器吹模的预制坯的方法，实现了上述的所有目标以及目的。本发明的加工已经连同本发明优选的实施方案得以公开，并且已经论述了大量其它的改进以及变异。其它改进以及变异对本领域普通技术人员是显而易见的。本发明意图包括在权利要求的精神以及宽范围内的所有的这种改进以及变异。
Claims (9)
1.生产用于容器吹模的预制坯的方法，其包括如下步骤：
(a)通过熔融相聚合生产多酯聚合物，以及
(b)在预制坯压模之前不经多酯聚合物固化对所述多酯聚合物的预制坯进行压模。
2.权利要求1所述的方法，其中所述步骤(a)包括产生熔融相的所述多酯聚合物的连续流，并且
其中所述步骤(b)包括将所述连续流分成熔融相的单独的压模进料。
3.权利要求2所述的方法，其中所述步骤(b)包括：(b1)提供压模腔的连续流，(b2)将每一所述模装料放置在相连腔中以及(b3)将所述模装料压模成预制坯，因此从所述步骤(a)通过所述步骤(b)的多酯聚合物的连续流生产所述步骤(b)后的预制坯的连续流。
4.权利要求3所述的方法，包括如下步骤：(c)冷却所述步骤(a)中压模的所述预制坯。
5.权利要求3所述的方法，包括用至少一种其它的聚合物在所述步骤(a)和(b)之间对所述连续流中所述多酯聚合物成层的步骤来在所述步骤(b)中生产具有成层壁的预制坯。
6.权利要求3所述的方法，包括如下步骤：
(c)从所述预制坯对容器吹模，
(d)用产品填充容器，以及
(e)用捕获在其中的所述产品对容器加盖，
所述步骤(c)，(d)以及(e)是所述步骤(a)和(b)的连续的串联继续从而在连续操作中产生填充和加盖的多酯聚合物的容器。
7.生产用于塑性容器吹模的预制坯的方法，其包括如下步骤：
(a)通过熔融相聚合生产多酯聚合物的连续流，
(b)提供预制坯压模腔的连续运动，
(c)将所述多酯聚合物的连续流分成熔融相的单独的压模进料，
(d)将每一所述模进料放置在相连的模腔中，以及
(e)对每一所述模进料压模成预制坯，
因此就有从所述步骤(a)到所述步骤(e)的多酯聚合物的连续流来产生所述步骤(e)中的预制坯的连续流。
8.根据权利要求1，2，3，4，5或者7中的方法生产的预制坯。
9.根据权利要求6所述的方法制造的填充以及加盖的容器。
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| US10/634,707 | 2003-08-05 | ||
| US10/634,707 US20050029712A1 (en) | 2003-08-05 | 2003-08-05 | Continuous production of container preforms |
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| CN102196889A (zh) * | 2008-08-28 | 2011-09-21 | 东洋制罐株式会社 | 用于压缩成形预成型体的金属模具、预成型体、使用预成型体无菌填充饮料和食品的系统以及制造吹塑成形的容器的制造方法 |
| CN102917956A (zh) * | 2010-05-25 | 2013-02-06 | 大塚制药株式会社 | 无菌充填系统 |
| CN103085222A (zh) * | 2013-02-27 | 2013-05-08 | 上海品冠塑胶工业有限公司 | 带盖塑料罐的生产方法及其生产流水线 |
| CN111703049A (zh) * | 2020-06-22 | 2020-09-25 | 厦门石地医疗科技有限公司 | 浸吹成型方法及其设备 |
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| WO2005070644A1 (en) * | 2004-01-09 | 2005-08-04 | The Coca-Cola Company | Condensation compression molding process and apparatus for production of container preforms |
| US20050249902A1 (en) * | 2004-05-07 | 2005-11-10 | Lynch Brian A | Compression over-molding container preforms |
| US8293162B2 (en) * | 2004-11-30 | 2012-10-23 | Asahi Kasei Chemicals Corporation | Method and apparatus for producing molded product |
| US7820257B2 (en) | 2005-05-11 | 2010-10-26 | The Coca-Cola Company | Preforms for preparing lightweight stretch blow molded PET copolymer containers and methods for making and using same |
| US8545952B2 (en) | 2005-06-07 | 2013-10-01 | The Coca-Cola Company | Polyester container with enhanced gas barrier and method |
| US7820258B2 (en) | 2005-10-05 | 2010-10-26 | The Coca-Cola Company | Container and composition for enhanced gas barrier properties |
| US20070128389A1 (en) | 2005-12-06 | 2007-06-07 | Dak Americas Llc | Process for manufacturing co-polyester barrier resins without solid-state polymerization, co-polyester resins made by the process, and clear mono-layer containers made of the co-polyester resins |
| US7358324B2 (en) | 2005-12-06 | 2008-04-15 | Dak Americas Llc | Manufacturing method of co-polyester resins for clear mono-layer containers with improved gas barrier characteristics |
| US9656418B2 (en) | 2006-04-21 | 2017-05-23 | Dak Americas Llc | Co-polyester packaging resins prepared without solid-state polymerization, a method for processing the co-polyester resins with reduced viscosity change and containers and other articles prepared by the process |
| US8124202B2 (en) | 2006-09-15 | 2012-02-28 | The Coca-Cola Company | Multilayer container for enhanced gas barrier properties |
| US7790077B2 (en) | 2006-09-15 | 2010-09-07 | The Coca-Cola Company | Pressurized tooling for injection molding and method of using |
| WO2009127962A2 (en) * | 2008-04-18 | 2009-10-22 | Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | Method and apparatuses |
| WO2013019784A1 (en) * | 2011-08-01 | 2013-02-07 | Graham Packaging Company Lp | Plastic aerosol container and method of manufacture |
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| GB1166893A (en) * | 1966-03-28 | 1969-10-15 | Gunma Kagaku Kabushiki Kaisha | Thermoplastic resin article, a method and apparatus for producing such article |
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| JPS52120083A (en) * | 1976-03-31 | 1977-10-08 | Yoshino Kogyosho Co Ltd | Polyester opaque bottle and method of producing same |
| US5176861A (en) * | 1991-02-22 | 1993-01-05 | Osaka Chemical Co., Ltd. | Method of producing sheet made of a low-viscosity polyester resin |
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| DE19505680C1 (de) * | 1995-02-20 | 1996-05-23 | Inventa Ag | Kondensations-Spritzgußverfahren zur Herstellung von Flaschenvorformlingen aus Polyethylenterephthalat und/oder seinen Copolyestern sowie nach diesem Verfahren herstellbare Vorformlinge |
| US5597891A (en) * | 1995-08-01 | 1997-01-28 | Eastman Chemical Company | Process for producing polyester articles having low acetaldehyde content |
| ID16094A (id) * | 1996-03-01 | 1997-09-04 | Eastman Chem Co | Proses untuk pembentukan benda-benda secara langsung dari polimerisasi leburan |
| US5945460A (en) * | 1997-03-20 | 1999-08-31 | Eastman Chemical Company | Process for continuously producing polyester articles with scrap recycle in a continuous melt-to-preform process |
| US5968429A (en) * | 1997-03-20 | 1999-10-19 | Eastman Chemical Company | Apparatus and method for molding of polyester articles directly from a melt |
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| US5971740A (en) * | 1998-02-03 | 1999-10-26 | The Elizabeth And Sandor Valyi Foundation, Inc. | Process and apparatus for producing a container |
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| JP2002103428A (ja) * | 2000-09-29 | 2002-04-09 | Toyo Seikan Kaisha Ltd | 多層プリフォームおよびこれを用いて製造した多層ボトル |
| US6461699B1 (en) * | 2000-10-06 | 2002-10-08 | Plastipak Packaging, Inc. | Plastic container having a carbon-treated internal surface for non-carbonated food products |
| JP2003136583A (ja) * | 2001-11-02 | 2003-05-14 | Toyo Seikan Kaisha Ltd | プリフォームの成形方法 |
| ITRM20010724A1 (it) * | 2001-12-07 | 2003-06-09 | Sipa Spa | Dispositivo e metodo per il riempimento di stampi. |
-
2003
- 2003-08-05 US US10/634,707 patent/US20050029712A1/en not_active Abandoned
-
2004
- 2004-08-05 JP JP2006522735A patent/JP2007501141A/ja active Pending
- 2004-08-05 CN CNA2004800224806A patent/CN1832836A/zh active Pending
- 2004-08-05 WO PCT/US2004/025367 patent/WO2005014254A1/en active Application Filing
- 2004-08-05 MX MXPA06001328A patent/MXPA06001328A/es unknown
- 2004-08-05 CA CA002533456A patent/CA2533456A1/en not_active Abandoned
- 2004-08-05 BR BRPI0413359-5A patent/BRPI0413359A/pt not_active IP Right Cessation
- 2004-08-05 AU AU2004263497A patent/AU2004263497A1/en not_active Abandoned
- 2004-08-05 EP EP04780236A patent/EP1651411A1/en not_active Withdrawn
- 2004-08-05 KR KR1020067002338A patent/KR20060073927A/ko not_active Application Discontinuation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196889A (zh) * | 2008-08-28 | 2011-09-21 | 东洋制罐株式会社 | 用于压缩成形预成型体的金属模具、预成型体、使用预成型体无菌填充饮料和食品的系统以及制造吹塑成形的容器的制造方法 |
| CN102196889B (zh) * | 2008-08-28 | 2014-10-15 | 东洋制罐株式会社 | 用于压缩成形预成型体的金属模具、预成型体、使用预成型体无菌填充饮料和食品的系统以及制造吹塑成形的容器的制造方法 |
| CN102917956A (zh) * | 2010-05-25 | 2013-02-06 | 大塚制药株式会社 | 无菌充填系统 |
| CN102917956B (zh) * | 2010-05-25 | 2016-03-23 | 大塚制药株式会社 | 无菌充填系统 |
| CN103085222A (zh) * | 2013-02-27 | 2013-05-08 | 上海品冠塑胶工业有限公司 | 带盖塑料罐的生产方法及其生产流水线 |
| CN111703049A (zh) * | 2020-06-22 | 2020-09-25 | 厦门石地医疗科技有限公司 | 浸吹成型方法及其设备 |
| CN111703049B (zh) * | 2020-06-22 | 2022-02-11 | 厦门石地医疗科技有限公司 | 浸吹成型方法及其设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060073927A (ko) | 2006-06-29 |
| WO2005014254A1 (en) | 2005-02-17 |
| CA2533456A1 (en) | 2005-02-17 |
| US20050029712A1 (en) | 2005-02-10 |
| JP2007501141A (ja) | 2007-01-25 |
| BRPI0413359A (pt) | 2006-10-10 |
| EP1651411A1 (en) | 2006-05-03 |
| MXPA06001328A (es) | 2006-05-04 |
| AU2004263497A1 (en) | 2005-02-17 |
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