CN107207150B - 压力控制系统 - Google Patents

压力控制系统 Download PDF

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CN107207150B
CN107207150B CN201680007469.5A CN201680007469A CN107207150B CN 107207150 B CN107207150 B CN 107207150B CN 201680007469 A CN201680007469 A CN 201680007469A CN 107207150 B CN107207150 B CN 107207150B
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pressure control
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CN107207150A (zh
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马克·布劳威尔
威廉·迪耶克斯
汤姆·安蒂耶朗
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AIROPACK TECHNOLOGY GROUP BV
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers 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
    • B65D83/38—Details of the container 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • B29C66/5452—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other joining hollow bottoms to bottom of bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers 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
    • B65D83/60—Contents and propellant separated
    • B65D83/64—Contents and propellant separated by piston
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers 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
    • B65D83/60—Contents and propellant separated
    • B65D83/66—Contents and propellant separated first separated, but finally mixed, e.g. in a dispensing head
    • B65D83/663—Contents and propellant separated first separated, but finally mixed, e.g. in a dispensing head at least a portion of the propellant being separated from the product and incrementally released by means of a pressure regulator

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Manufacturing & Machinery (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Control Of Fluid Pressure (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

描述了一种被设置用于维持在流体分配容器中的恒定的预定过压的新压力控制系统(1)，该压力控制系统包括：高压力塑料容器(10)，该压力塑料容器(10)具有内室和上开口端；以及压力控制装置(25)，该压力控制装置(25)具有阀，压力控制装置被安装在高压力容器(10)的上开口端，而通路被设置成从内室通向外侧，且通路被阀控制，其中容器(10)为大致圆柱状。容器(10)的上部具有球形顶(12)，该球形顶(12)具有被设置用于接收压力控制装置(25)的圆筒状插入件(13)，容器(10)的下端具有由环形封闭物(15)封闭的开口端。

Description

压力控制系统
技术领域
本发明涉及一种被设置用于维持在流体分配容器中的恒定的预定过压的压力控制系统，所述压力控制系统包括：高压力塑料容器，该高压力塑料容器具有内室、封闭端和开口端；以及压力控制装置，该压力控制装置具有阀，压力控制装置被安装在高压力容器的开口端，而通路被设置成从内室通向外侧，且通路被阀控制。
背景技术
在WO-A-2005/082744中描述了该压力控制系统，其中高压力容器为具有锥形颈部和凸缘的大致圆柱状，具有台阶形漏斗部的环形插入件或封闭物(closure)安装在凸缘上。该文献的压力控制装置经由具有封闭端和开口端的杯形筒(cylinder)设置在环形封闭物内，具有向下突出的杆和较宽的圆柱状端部的活塞能够移动地安装在所述杯形筒中。在台阶形漏斗部的开口端，O形环被环形筒挤压，而杆的较宽圆柱状部和O形环提供了一种如下所述的阀，即，所述阀在由活塞和具有其封闭端的杯形筒形成的室中、通过气空气的压力往复移动。高压力容器必须承受8巴的过压力，使得该构造应当非常稳定。为此，高压力容器被朝向其下端逐渐加宽，并且具有较宽的端部和向内突出的缘部，塑料流体分配容器的端部息止(rest)在向内突出的缘部上。高压力容器的底部具有被加强的环形凹陷部，环形凹陷部具有中心开口，所谓的橡胶的尼科尔森(Nicholson)塞子被压在中心开口中。
该文献的高压力容器通过注射拉伸吹塑加工来制造，其中所使用的聚合物熔融且被成型到心销上。然后，心销转动至吹塑站以被充气和冷却。注射吹塑机基于使聚合物熔融的挤出机筒和螺栓组件。熔融的聚合物被供给到热流道模(hot runner manifold)中，在热流道模处熔融的聚合物通过喷嘴被注射到加热的腔和心销中。腔模形成外部形状且绕着形成预制件的内部形状的芯杆被夹持。预制件由完全形成的瓶/罐颈部和将形成主体的所安装的聚合物厚管构成。预制件模打开，而且芯杆转动并被夹持到中空的冷淬吹塑模。芯杆的端部打开且允许受压空气进入到预制件中，这使预制件充气至最终物品形状。在冷却期间之后，吹塑模打开且芯杆转动到脱模位置(ejection position)。最终的成品脱离芯杆，作为一种选择，可以在包装之前进行防漏试验。预制件和吹塑模可以根据物品尺寸和要求的输出而具有许多腔，通常具有三到十六个腔。存在三组芯杆，这允许同时进行预制件注射、吹塑和脱模。
在本构造中，高压力容器还由成型底板封闭。利用当今的塑料材料，不可以满足如强度、蠕变、透气性、耐加热和耐冷却、对于已知化学制品的耐化学性等的所有条件。如果必需扩大容器，则底板上的力将变得更大，从而使得本容器的最大体积受到限制。
此外，高压力容器的体积受拉伸吹塑的生产过程所限制，即为了获得在高压力容器的两端处的加强开口，使加热后的塑料拉伸的加工取决于拉伸之前的预制件的厚度。在实际中，预制件可以仅膨胀至预先限定的宽度和长度以获得预定稳定性。
发明内容
本发明的目的在于提供一种具有高压力容器的压力控制系统，所述高压力容器与已知的高压力容器相比可以具有更大的体积。本发明的目的由具有方案1的特征的压力控制系统实现。
根据本发明的实施方案，被设置用于维持在流体分配容器中的恒定的预定过压的压力控制系统包括：高压力塑料容器，该高压力塑料容器具有内室和上开口端；以及压力控制装置，该压力控制装置具有阀，压力控制装置被安装在高压力容器的上开口端。通路被设置成从内室通向外侧，且通路被阀控制，其中容器为大致圆柱状。容器的上部具有球形顶，该球形顶具有被设置用于接收压力控制装置的圆筒状插入件，容器的下端具有由环形封闭物封闭的开口端。
本发明具有如下主要优点：容器为能够承受较大力的球形，使得高压力容器的直径可以在受较少限制的情况下得到扩大，而且容器可以被设置为用于更高的压力。
本发明的另一优点在于高压力容器的生产的成本更加高效。
本发明的其他优点可以从从属方案和从以下描述得到。
根据压力控制系统的实施方案，环形封闭物具有在该封闭物的内表面上均匀分布的内加强肋片。该肋片强化封闭物，使得具有较高压力的气体可以保持在该高压力容器中。
根据压力控制系统的另一实施方案，容器由聚对苯二甲酸乙二醇脂(PET)通过注射成型制成。由PET通过注射成型是用于生产容器的经济型方法。PET适用于高压力应用。
根据压力控制系统的再一实施方案，封闭物通过激光焊接被连接到容器的下开口端。通过激光焊接，将在封闭物和容器之间获得气密连接。
附图说明
在下文中，借助于示例参照附图更加详细地描述本发明。其示出：
图1是具有环形封闭物的高压力容器；
图2是在上部具有压力控制装置的图1的高压力容器；
图3是以立体图和截面图示出的图2的高压力容器，而该容器以分解图示出；
图4是在具有加强肋片的封闭物上的立体图；以及
图5是从下侧看的封闭物15上的立体图。
具体实施方式
在图1中，示出了高压力塑料容器10，该高压力塑料容器10为大致圆柱状且在上部具有球形顶12，该球形顶12具有圆筒状插入件13。具有顶12和插入件13的容器10通过注射成型由为PET的适当塑料材料一体制成。容器10的下端14是敞开的且由环形封闭物15封闭，环形封闭物15具有在封闭物15的表面上均匀分布的内加强肋片16。在封闭物15中，设置具有中心孔18的加强可伸缩环(reinforced retracted ring)17，尼克尔森塞子20被夹在中心孔18中。封闭物15通过激光焊接被连接到容器10。
注射成型高压力容器10的优点在于：容器10如在之前所述的注射拉伸吹塑加工(injection stretch blow moulding process)中具有其最终形状且无需切割。熔融的聚合物将在中心被注射，从而获得均匀的材料分布。将壁厚选择为在1.0mm和2.0mm之间，优选地为1.4mm，使得高压力容器10能够承受10巴的高气体压力和高达50℃的较高温度。
在图2中，示出了组装后的压力控制系统1，该压力控制系统1包括容器10和被固定地接收在圆筒状插入件13中的压力控制装置25。压力控制装置25的构造在大体上与在WO-A-2005/082744中的全部细节所述的相同。
图3以分解图示出压力控制系统1。如可以在图中所看到的，容器10的下端14和封闭物15的上端21均具有减小的厚度，使得容器10的下端14和封闭物15的上端21之间的接头的厚度等于容器10的整体壁厚度。压力控制装置25具有杯形插入件或上封闭物26，该插入件或上封闭物26具有台阶形漏斗部27。在上封闭物26内，一体的圆筒状插入件28被挤压，该一体的圆筒状插入件28具有与上封闭物26压配合的上加宽冠部29。此外，圆筒状插入件28具有内突出环30。具有活塞杯33和杆34的活塞32设置在圆筒状插入件28内且由突出环30引导，该杆34具有加厚的端部35。此外，活塞32设置有将活塞32密封到圆筒状插入件28的内壁的外O形环36。台阶形漏斗部27具有向下的圆筒状夹持部37，该圆筒状夹持部37具有夹持环形筒40的环形倒钩38。环形筒40的上端挤压密封O形环41，这与杆的加厚端部35一起用作阀。
在图3中，从上侧以立体图的方式示出均匀地分布有肋片16和加强可伸缩环17的封闭物15。
在图4中，从下侧以立体图的方式示出了封闭物15。

Claims (4)

1.一种压力控制系统(1)，被设置用于维持在流体分配容器中的恒定的预定过压，所述压力控制系统包括：高压力塑料容器(10)，所述高压力塑料容器(10)具有内室和上开口端；以及压力控制装置(25)，所述压力控制装置(25)具有阀，压力控制装置被安装在所述高压力容器(10)的所述上开口端，而通路被设置成从所述内室通向外侧，所述通路被所述阀控制，其中所述高压力塑料容器(10)为大致圆筒状，所述高压力塑料容器(10)的下端具有由环形封闭物(15)封闭的开口端，其特征在于，所述高压力塑料容器(10)的上部具有球形顶(12)，所述球形顶(12)具有被设置用于接收所述压力控制装置(25)的圆筒状插入件(13)，其中所述圆筒状插入件(13)从所述高压力塑料容器(10)的所述上开口端向内延伸到所述高压力塑料容器(10)内，其中所述压力控制装置(25)被固定地接收在所述圆筒状插入件(13)中，从而使得所述压力控制装置(25)位于所述高压力塑料容器(10)内，而所述高压力塑料容器(10)和所述圆筒状插入件(13)由适当塑料材料一体制成。
2.根据权利要求1所述的压力控制系统，其特征在于，具有所述圆筒状插入件(13)的所述高压力塑料容器(10)由聚对苯二甲酸乙二醇脂通过注射成型制成。
3.根据权利要求1或2所述的压力控制系统，其特征在于，所述环形封闭物(15)具有内加强肋片(16)，所述内加强肋片(16)在所述环形封闭物(15)的内表面上均匀分布。
4.根据权利要求3所述的压力控制系统，其特征在于，所述环形封闭物(15)通过激光焊接被连接到所述高压力塑料容器(10)的下开口端。
CN201680007469.5A 2015-01-28 2016-01-28 压力控制系统 Active CN107207150B (zh)

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EP15152846 2015-01-28
EPEP15152846.0 2015-01-28
PCT/EP2016/051837 WO2016120404A1 (en) 2015-01-28 2016-01-28 Pressure control system

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EP (1) EP3250477A1 (zh)
KR (1) KR20170113575A (zh)
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BR (1) BR112017015662A2 (zh)
CA (1) CA2974454C (zh)
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MX2017009734A (es) 2018-04-10
CN107207150A (zh) 2017-09-26
CA2974454A1 (en) 2016-08-04
BR112017015662A2 (pt) 2018-03-20
US11059658B2 (en) 2021-07-13
EP3250477A1 (en) 2017-12-06
CA2974454C (en) 2020-04-14
KR20170113575A (ko) 2017-10-12

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