CN106414035A - 塑料喷雾剂容器、预成型体和方法 - Google Patents
塑料喷雾剂容器、预成型体和方法 Download PDFInfo
- Publication number
- CN106414035A CN106414035A CN201580019672.XA CN201580019672A CN106414035A CN 106414035 A CN106414035 A CN 106414035A CN 201580019672 A CN201580019672 A CN 201580019672A CN 106414035 A CN106414035 A CN 106414035A
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- CN
- China
- Prior art keywords
- main body
- adapterss
- preform
- spray
- container
- Prior art date
- 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
- 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
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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
- B29B11/06—Making preforms by moulding the material
- B29B11/08—Injection moulding
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B29C49/02—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
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- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B29C49/08—Biaxial stretching during 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
- 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
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
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- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
- B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
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- B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
- B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
- B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
- B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
- B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
- B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
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- 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
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- B29C66/612—Making circumferential joints
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Abstract
本发明描述一种塑料喷雾剂容器(10)、相关的预成型体(10a)以及一种制造所述预成型体(10a)和容器(10)的方法。所述容器(10)包括界定所述容器(10)的开口(11)的配接器(20),所述开口(11)经布置以接纳喷雾剂阀盖(3)且通过喷雾剂阀盖(3)密封。所述容器(10)还包括界定所述喷雾剂容器(10)的内部容积的主体40。所述容器(10)自预成型体(10a)吹塑,从而理想地具有固定到彼此的对应的配接器(20a)和主体(40a),所述预成型体(10a)的所述主体(40a)的膨胀区域(45a、46a)经布置以膨胀来形成所述喷雾剂容器(10)的所述内部容积。
Description
技术领域
本发明涉及一种由塑料材料(理想地,PET)形成的喷雾剂容器。此外,本发明还涉及用于制造喷雾剂容器的预成型体,以及一种制造预成型体和/或喷雾剂容器的方法。
背景技术
常规的喷雾剂组合件主要由例如铝或钢等金属构造。在此类组合件中,大体上圆柱形的金属容器用产品填充,并且喷雾剂阀门组合件密封到所述容器的开口上。接着,通过阀门插入推进剂以对产品加压。或者,在密封容器之后,组合的产品和推进剂可通过阀门组合件的阀门插入到容器中。
喷雾剂阀门组合件具有围绕开口卷曲以形成密封的阀盖,以及在使用时穿过其可从容器底部驱动出加压产品的汲取管。通常,喷雾剂阀门组合件提供为适配到不同尺寸的容器的标准单元。
常规的金属喷雾剂组合件具有多个缺点。例如铝和钢等金属可能相对较贵。此外,它们是不透明的,使得使用者难以确定组合件中剩余产品的量,以及如何倾斜组合件以确保汲取管的末端可抽取液化产品的残余物。金属可能容易出现凹陷,且易于损坏,并在掉落时造成损坏。例如钢等某些金属易于遭受腐蚀或其它化学侵蚀,这使得保护性涂层成为必需,所述保护性涂层进一步增加了制造此类喷雾剂组合件的费用。
鉴于这些缺点,已作出努力来制造主要由低成本塑料材料(例如聚对苯二甲酸伸乙酯(polyethylene terephthalate,PET))构造的喷雾剂容器。
例如,Hung的第6390326号美国专利描述了具有自PET吹塑成型的主体的喷雾剂容器。接着,金属套环围绕主体的颈部适配,且以常规方式使标准阀盖围绕套环和颈部卷曲。此方法的问题是,它在卷曲之前需要小心地将金属套环放置和固持在主体的颈部上。如果金属套环不对准(例如,在转移到卷曲台上期间),那么阀盖可能不会恰当地密封到容器的其余部分。
Salameh在第1791769号欧洲专利中提出的对此问题的一个解决方案是,将套环扣合到主体的颈部上。然而,这个解决方案具有其自身的缺点。首先,套环与主体之间的扣合接合可能会轻易地和突然地倒转。这可轻易地引起加压容器出现无意的渗漏,乃至爆炸。此外,套环和主体的精确形状对扣合接合的可靠性极其重要。这可增加制造工艺的费用,并使在套环和主体扣合到彼此之后它们形状必须不改变。这阻止了在连接到套环上之后,主体被吹塑成型。此外,扣合连接使得必须在主体与套环之间引入密封部件(例如,橡胶O形环)。这个额外的组件增加了费用,且必须小心地加以选择,因为特定密封部件的材料如果暴露于喷雾剂容器内包含的产品或推进剂,可能会老化。
正是基于此背景已经设计了本发明。
发明内容
根据本发明的第一方面,提供经布置以吹塑成喷雾剂容器的预成型体。理想地,预成型体包括配接器和主体。理想地,配接器和主体具有互补接口,配接器和主体通过所述互补接口固定到彼此。理想地,配接器界定预成型体的开口。理想地,开口经布置以接纳喷雾剂阀门组合件的喷雾剂阀盖且通过喷雾剂阀门组合件的喷雾剂阀盖密封。理想地,主体包括膨胀区域,所述膨胀区域经布置以通过吹塑成型(理想地,拉伸吹塑成型)而膨胀。理想地,膨胀区域经布置以膨胀来形成喷雾剂容器的内部容积。理想地,所述内部容积是喷雾剂容器的总内部容量的大部分。理想地,所述内部容积是喷雾剂容器的总内部容量的至少70%。理想地,所述内部容积是喷雾剂容器的总内部容量的至少90%。
有利的是,因为配接器是预成型体的部分,所以在使喷雾剂容器吹塑成型之后,有可能将喷雾剂阀盖直接适配到所述配接器上。这与由Hung和Salameh提出的方法形成对比,在他们提出的方法中,在适配套环之前,有必要首先使容器吹塑成型,接着是阀盖。
此外,在吹塑成型之前将配接器和主体固定在一起意味着它们之间的连接可更为可靠;未膨胀主体更加致密、更加坚固,并且因此未膨胀主体更能够以一种在配接器与主体之间形成更坚固的接合的方式加以操控,尤其是在那一接合的形成依赖于力或压力的情况下。再次,这与Hung和Salameh提出的方法形成对比,在他们提出的方法中,主体已经吹塑成型,且因此操控起来不太稳健。因此,容器的密封可能不太可靠。
另一个好处是,可实现更有效的制造和分布工艺。预成型体可在一个位置制造,接着被大量地转移到不同的第二位置上,其中,它们可作为库存保存,直至其需要用于吹塑成型为止。因为相比于喷雾剂容器,预成型体容积相对较小,所以转移到第二位置上和在第二位置存储更加节约空间。在第二位置吹塑成型可按需进行,第二位置中的每一者可能够使用常见的预成型体制造出彼此不同的容器。不同于Hung和Salameh提出的方法,在吹塑成型之后,有可能直接进行到将喷雾剂阀盖适配到容器上。换句话说,不必首先在第二位置中的每一者处适配配接器。这可在第一位置居中地实现,其中首先制造预成型体。
还应注意,常规的预成型体通常由一片式材料形成。然而,本预成型体理想地由第一部分——配接器,和第二部分——主体构造。理想地,为了降低制造费用和复杂度,配接器和/或主体各自由一片式塑料材料形成。此外,配接器和/或主体理想地各自注塑成型。
理想地,所述材料是透明的或半透明的。有利的是,这允许使用者确定在喷雾剂容器中剩余产品的量。此外,它使使用者能够定向容器以使得产品的残余物可通过汲取管提取。理想地,所述材料是聚合材料,例如,例如聚对苯二甲酸伸乙酯(polyethyleneterephthalate,PET)等聚酯。
配接器和主体固定到彼此以产生预成型体。这允许除了常规的预成型体,还实现了预成型体和相关的喷雾剂容器的所需要的特征。
优选地,开口与配接器的接口和/或主体的膨胀区域间隔开。有利的是,这意味着当使预成型体吹塑成型以形成喷雾剂容器时,开口对变形具有抗性。这增加了喷雾剂阀盖可适配和固持在开口上适当位置处的可靠性。
优选的是,主体的膨胀区域与主体的接口间隔开。这最小化配接器固定到主体上的预成型体的区域的变形,以及因此配接器与主体之间的接合的强度。
在任何情况下,由于主体和配接器是不同的部分,并且配接器界定喷雾剂阀盖所适配到的开口,所以在吹塑成型期间保护了开口不受主体所经受的变形。由一体式材料构造的预成型体的情况并非如此。
预成型体的多部分构造也是有利的,因为它允许预成型体呈现相对复杂的形状,这对于由一片式材料制造会较困难或昂贵,尤其当使用常规的注塑成型技术时。例如,常规的预成型体具有内部孔,所述内部孔具有沿开口方向变宽的拔模,这允许预成型体易于从注塑模具中取出。相反,本预成型体理想地包括向开口变窄的内部孔。这允许开口的圆周尺寸小于从预成型体产生的喷雾剂容器的主圆周。当相对较小的开口均衡了内部压力施加在遮盖开口的阀盖上的较小力时,这较为有用,并且因此增加了容器的完整性。此外,预成型体的内部孔的变窄避免了当从预成型体使容器吹塑成型时需要使预成型体的靠近开口的区域变形。有利的是,这进一步最小化开口的变形,因为开口形状通过吹塑成型将不会显著地改变。因此,阀盖可更为可靠地适配。
理想地,由配接器界定的预成型体的部分通过吹塑成型而完全不经受膨胀,由此保持开口的强度和形状。结合多部分构造,配接器可因此包括围绕喷雾剂阀盖可适配的唇口。此外,唇口可径向朝内突出,以使得喷雾剂阀盖可围绕唇口卷曲适配。确切地说,唇口可因此界定底切,所述底切可因此抑制卷曲适配的阀盖从开口滑出——即,卷曲阀盖的操作增大它的一部分以使得它无法穿过开口适配。这对抵抗内部压力极其重要。
优选地,配接器和主体密封到彼此上。这使得预成型体能够被吹塑成型。为此目的,主体和配接器的互补接口可包括结合在一起并密封到彼此上的结合表面。
预成型体理想地围绕其纵向轴线大体上可旋转地对称。优选地,配接器和主体大体上围绕它们相应的纵向轴线可旋转地对称。理想地,配接器和主体与彼此和/或它们一起界定的预成型体共享一个共同的纵向轴线。配接器和主体的互补接口理想地包围纵向轴线。鉴于此,所述结合表面理想地沿着连续环圈密封在一起。此连续环圈也理想地包围纵向轴线。理想地,互补接口包括将配接器和主体啮合在一起的互补的啮合结构。这可通过将啮合结构中的一个定位在另一个内。例如,啮合结构可界定环形突起和环形凹槽,其各自经设定大小以使环形突起可定位在环形凹槽内。
理想地,互补接口通过焊接固定在一起。有利的是,这可保证配接器与主体之间坚固的密封,由此增加可吹塑成型所产生的预成型体的可靠性。理想地,互补接口通过超声波焊接固定在一起。这是一种将每一个由塑料材料构造的部分焊接在一起的极其有效的方式。
理想地,配接器和/或主体包括凸缘,其沿着远离相应的配接器和/或主体的外表面的朝外方向延伸。理想地,凸缘或每个凸缘支撑相应的配接器和/或主体的接口。理想地,在凸缘的相应的面对的表面上支撑接口。此外,优选的是,凸缘的相应的背面的表面(即,与面对的表面反向)经布置以传输夹持力到面对的表面上以将面对的表面按压在一起。
此特征尤其与在吹塑成型之前将配接器和主体尤其通过焊接固定在一起的特征协作。这是因为凸缘可用于在焊接期间将配接器和主体按压在一起。此外,因为未膨胀主体比膨胀主体更加致密和更加坚固,所以其更能够被操控和传输接合力。因此,可建立配接器与主体之间更坚固的接合。并且,明显的是,此布置呈现优于其它结合构件(例如,螺纹和O形环)的优点,所述其它结合构件较为脆弱,且更加昂贵,和/或在吹塑成型之前无法采用。
为了避免疑惑,本发明也延伸到用于产生本发明的第一方面的预成型体的配接器和/或主体。如将了解,配接器和/或主体的某些特征和优点在预成型体中或在预成型体的产生物中也是固有的。
例如,配接器和/或主体可包括位于其相应的接口处的至少一个能量导引件,其经塑形以在施加焊接能量后熔化,从而促进将配接器和主体中的一个焊接到另一个上。如所提到,配接器和/或主体可为由一片式塑料材料制成。理想地,所述至少一个能量导引件由所述材料形成,并经塑形以在施加焊接能量后比所述材料的下伏部分更易于熔化。例如,能量导引件的形状可并有尖锐的边缘或尖端,在所述尖锐的边缘或尖端处,焊接能量可经集中以优先熔化能量导引件。此可提高可产生焊接区的精确性。
理想地,所述至少一个能量导引件经安置和经布置以使得,在施加焊接能量后熔化时,它形成连续的熔化环圈,以将配接器和/或主体的互补接口结合和密封在一起。所述熔化的环圈理想地包围纵向轴线。
如所提到,互补接口可包括互补的啮合结构,其将配接器和主体啮合在一起,例如,通过将啮合结构中的一个(例如,环形突起)定位在另一个(例如,环形凹槽)内。可因此通过对准配接器和主体的相应的纵向轴线,并接着将它们推按到一起来实现啮合。当啮合结构位于彼此内时,配接器与主体之间的相对移动可因此被限制。确切地说,沿着纵向轴线的相对平移移动被限制。
由于这个,啮合特征可作为配接器和主体固定到彼此的方式的补充,尤其当焊接用作固定手段时。这是因为啮合结构可确保待焊接在一起的配接器和主体的表面适当地与彼此对准。此外,在焊接期间产生的熔融材料可填充啮合结构之间的任何间隙。为此目的,优选的是,所述至少一个能量导引件位于所述啮合结构中的至少一个上。理想地,所述至少一个能量导引件位于啮合表面之间的位置处,所述啮合表面在焊接期间被按压在一起。
应了解,在焊接期间产生的熔融材料可从预期待焊接的表面流走,尤其在施加压力时。为了确保熔融材料被导引到其中它是最有效的位置,优选的是,互补接口包括一个或多个焊接沟槽,熔融材料可在所述焊接沟槽中采集。理想地,存在安置在互补接口上的多个焊接沟槽。理想地,焊接沟槽被布置在待焊接在一起的互补接口的区域的边界处。有利的是,这可确保熔融材料包含在所述区域内,和/或被导引到它最被需要的位置。理想地,焊接沟槽是啮合结构之间的预界定的间隙。例如,在啮合结构包括环形突起和互补的环形凹槽的情况下,焊接沟槽可由具有倒角边缘(chamfered edge)的环形突起界定。结果,焊接沟槽因此是环形突起的倒角边缘与环形凹槽的非倒角隅角(non-chamfered corner)之间的两个环形间隙的形式。
自然地,本发明的第一方面还可延伸到例如,由预成型体、配接器和/或主体制造的喷雾剂容器上。理想地,喷雾剂容器通过拉伸吹塑预成型体来制造。类似地,本发明的第一方面还扩展到包括具备喷雾剂阀门组合件的喷雾剂容器的喷雾剂组合件。具体来说,喷雾剂阀门组合件可包括阀盖,所述阀盖适配到喷雾剂容器的开口上,理想地通过卷曲到其上的阀盖来实现。另外,喷雾剂组合件可包括将通过喷雾剂阀门组合件分配的加压产品。
根据本发明的第二方面,提供一种由塑料材料所构造的预成型体制造的喷雾剂容器,所述容器包括:
界定容器的开口的配接器,所述开口经布置以接纳喷雾剂阀盖且通过喷雾剂阀盖密封;以及
界定喷雾剂容器的内部容积的主体;
其中
由主体界定的内部容积大体上来源于通过使预成型体吹塑成型而膨胀的预成型体的膨胀区域;以及
喷雾剂容器的配接器大体上来源于通过所述吹塑成型而不膨胀的预成型体的区域。
理想地,所述内部容积是喷雾剂容器的总内部容量的大部分。理想地,所述内部容积是喷雾剂容器的总内部容量的至少70%。理想地,所述内部容积是喷雾剂容器的总内部容量的至少90%。
与本发明的第一或第二方面相关的喷雾剂容器理想地包括大体上来源于预成型体的经吹塑成型的膨胀区域的主体。理想地,主体界定容器的无支撑基底。理想地,无支撑基底包括其上支撑容器的轮缘。有利的是,这允许容器稳定地站立在大体上平坦的平面表面上。理想地,所述轮缘界定其上可稳定地支支撑容器的连续接触区域。
因为基底是经吹塑成型主体的有效部分,所以它将具有相对较薄的壁。因此,基底设计需要考虑到喷雾剂容器内的相当大的内部压力。具体来说,需要基底抵抗此类内部压力的影响,因为基底在压力下不应以破坏基底的完整性或稳定性的方式变形。
确切地说,径向位于轮缘内的基底的下侧理想地界定第一凹陷部。理想地,所述凹陷部遵循以容器的纵向轴线为中心的第一扁球形体的轮廓。理想地,第一凹陷部过渡到轮缘中,例如,在轴向下部径向外部的位置。此外,优选的是,基底的下侧进一步界定中断第一凹陷部的轮廓的加固的形成物。
理想地,加固的形成物至少部分地遵循以容器的纵向轴线为中心的第二扁球形体的轮廓,所述第二扁球形体小于界定第一凹陷部的第一扁球形体。理想地,第一凹陷部过渡到在基底的轴向上部径向内部的位置处的加固的形成物中。理想地,第一凹陷部通过环形或截头圆锥体过渡部分过渡到加固的形成物中。理想地,加固的形成物包括第二凹陷部。
有利的是,球状表面和环形或截头圆锥体过渡部分的这个布置界定基底,所述基底对抵抗内部压力,尤其喷雾剂容器可通常经受的压力范围,尤其有效。喷雾剂容器需要更为持久,且必须能够耐受远远大于在其它技术领域中的容器中(例如打算用于食品和饮料的那些容器)的压力。针对在室温下具有大约250-350ml的内部容量的实例容器,标准操作压力为大约4巴-6巴,其最大压力超过10巴,理想地在15巴和22巴之间。
应注意,喷雾剂容器的整体尺寸需要足够大以容纳实际量的产品和推进剂。例如,容器的总容量可在30ml到1升的范围内,更优选地,在100ml-600ml的范围内,甚至更优选地,在200-400ml的范围内。
除此以外,喷雾剂容器还需要易于手持。记住这一点,容器的主圆周(具体来说,由主体界定的)可在80mm到350mm的范围中。优选地,容器的主圆周的范围是100-300mm,更优选地,在125-200mm的范围内。通常,喷雾剂容器(具体来说,主体)将大体上是圆柱形的。
由于此,容器的纵向长度可通过容量除以横截面面积来粗略地确定,所述横截面面积根据圆周确定。此相关性假设容器形状具有遍及其几乎全部纵向长度的大体上恒定的横截面面积。然而,实际上,给出了一些余地以考虑通常在容器的上端和下端处减少了的容量,在容器的上端和下端处,容器变窄和/或具有凹形形成物(例如,由于基底的设计)。但是,假设容器具有大体上圆柱形的形状,针对在200ml到400ml的范围中的容量,喷雾剂容器的纵向长度大体在70mm到200mm的范围内。
喷雾剂容器的容量到目前为止一直被表达为总内部容量,或“溢满”容积。然而,将了解,喷雾剂容器的总容量在产品与推进剂之间共享。例如,当全满时,产品通常占据喷雾剂容器的总容量的60%-95%,理想地,70%-80%。容积的其余部分由推进剂占据。自然地,比例随着产品被分配而改变。
根据本发明的第三方面,提供一种喷雾剂组合件,其包括根据第二方面的或由根据第一方面的预成型体制造的喷雾剂容器,以及喷雾剂阀门组合件。理想地,喷雾剂阀门组合件包括喷雾剂阀盖。自然地,喷雾剂组合件还可包括待分配的产品和推进剂。推进剂可为液化推进剂。
根据本发明的第四方面,提供一种制造方法。理想地,所述制造方法用于制造根据本发明的第一到第三方面的预成型体、喷雾剂容器和/或喷雾剂组合件。理想地,所述制造方法包括以下步骤中的至少一个:
(a)提供配接器和主体,其各自具有互补接口;
(b)将配接器和主体的互补接口固定到彼此上以制造适合于吹塑成型为喷雾剂容器的预成型体;
(c)通过以下操作制造喷雾剂容器:
(i)加热主体的膨胀区域,所述膨胀区域理想地与主体的接口间隔开;以及
(ii)通过拉伸吹塑成型使主体的膨胀区域膨胀以形成喷雾剂容器的内部容积;以及
(d)通过以下操作制造喷雾剂组合件:
(i)卷曲喷雾剂阀盖到容器的开口上以关闭喷雾剂容器,所述喷雾剂阀盖支撑喷雾剂阀门;以及
(ii)通过阀门使用加压产品和/或推进剂填充容器。
理想地,步骤(a)包括使配接器和主体注塑成型。理想地,步骤(b)包括理想地通过超声波焊接将配接器和主体的互补接口焊接在一起。理想地,步骤(b)包括将配接器和主体的互补接口按压在一起。
本发明的不同方面的不同特征和优点可在情况允许的情况下加以组合或取代。
当考虑借助于实例参考附图在下文描述的本发明的具体实施例时,本发明的另外特征和优点将变得显而易见。
附图说明
图1是根据本发明的实施例的包括喷雾剂容器的喷雾剂组合件的剖视图;
图2是图1的组合件的透视俯视图;
图3是图1的组合件的仰视透视图;
图4是图1的喷雾剂容器的剖视图,所述容器由预成型体制造,所述预成型体包括焊接到主体上的注塑成型的配接器,所述主体经双轴拉伸吹塑成型;
图4a是图4的容器的区域-a-的示意性放大局部视图;
图5是图4的容器的透视俯视图;
图6是图4的容器的仰视透视图;
图7是用于制造图4的喷雾剂容器的预成型体的剖视图。
图8是图7的预成型体的侧视图;
图9是图7的预成型体的透视侧视图;
图10是图7的预成型体的分解剖视图;
图10a是图10的预成型体的区域-b-的示意性放大局部视图;
图11是图7的预成型体的分解侧视图;以及
图12和13是图7的预成型体的分解透视图。
具体实施方式
图1是根据本发明的实施例的包括喷雾剂容器10的喷雾剂组合件1的剖视图。图1的剖视图大体上沿着平行于容器10的纵向轴线X的平面截取。图2和3是所述喷雾剂组合件1的透视图。
喷雾剂组合件1进一步包括常规的喷雾剂阀门组合件2,所述喷雾剂阀门组合件2包含喷雾剂阀盖3、汲取管4和喷雾剂阀门5。因为喷雾剂阀门组合件2是常规的,所以为了简洁忽略它的某些特征,例如阀杆、弹簧和内部垫圈。喷雾剂组合件1还包括弹性密封部件6,在卷曲适配阀盖3期间,所述弹性密封部件6在阀盖3与容器10之间挤压以确保容器10的开口11全密封。
容器10围绕纵向轴线X大体上可旋转地对称。类似地,喷雾剂阀盖3也为可旋转地对称,由此简化了阀盖3对容器10的适配。
图4是孤立地示出的图1的喷雾剂容器10的对应的剖视图——即,不带有喷雾剂阀门组合件2。图5和6是图4的所述喷雾剂容器10的透视图。
容器10由两个部分有效地组成:配接器20和主体40。如下文将更详细地描述,容器10由预成型体10a制造,其剖视图在图7中示出。预成型体10a具有配接器20a和主体40a,容器配接器20和主体40来源于所述配接器20a和主体40a。在预成型体10a用于制造容器10之前,这些配接器20a和主体40a固定和密封到彼此上。单独地,预成型体10a的配接器20a和主体40a各自由通过注塑成型制造的一片式PET形成。
返回参看图4,配接器20界定容器10的开口11。确切地说,配接器20包括唇口21,其大体上为类似环形的形状,并以容器10的纵向轴线X为中心。此外,在配接器20的轴向上部末端处,唇口21形成配接器20的拱形口22的顶峰。
在图4a中可更清晰地看到这些结构,图4a是图4的容器10的区域-a-的示意性放大局部视图;即唇口21的放大视图。此处可见,唇口21和口22的轴向上部末端径向朝内延伸以界定底切。这使得当喷雾剂阀盖3围绕唇口21卷曲适配时,通过卷曲放大的阀盖3的下部部分将不能够穿过开口适配;在喷雾剂组合件1内的内部压力的作用下,底切有效地抑制阀盖3从开口11滑出。
为了易于参考和明确,图4和4a中示出的尺寸在此处重复:
返回参看图4、5和6,拱形口22在配接器20的轴向下部末端处被圆周凸缘23中断。圆周凸缘23通常沿着远离大体上平行于与纵向轴线X正交的平面延伸的口22的外表面的径向朝外的方向,从口22的轴向下部末端突出。配接器20的圆周凸缘23沿着其整个圆周固定到呈主体40的套环43的形式的互补凸缘上,因此将配接器20密封和固定到主体40上。
套环43位于主体40的轴向上部末端处。此外,它通常沿着远离颈部44的外表面的径向朝外的方向从主体的通常为圆柱形的颈部44的轴向上部末端突出。类似于圆周凸缘23,套环43也大体上平行于与纵向轴线X正交的平面延伸。
在颈部44的轴向下部末端处,颈部44位于拱形肩部45的上方,并平滑地过渡到拱形肩部45中,拱形肩部45进而通过第一过渡区连接到大体上圆柱形的侧壁46,所述侧壁46大体上包围纵向轴线X,并以纵向轴线X为中心。在第一过渡区的拱形肩部45的圆周稍微大于圆柱形侧壁46的圆周,并且因此,第一过渡区大体上是平截头体状,其从肩部45的轴向下部末端向侧壁46的轴向上部末端径向朝内渐细。容器的主圆周为大约150mm。
在侧壁46的轴向下部末端处,它通过第二过渡区连接到主体40的主干区域47上。主干区域47假设为倒置的和截头的拱顶形状,其大体上向主体40的轴向最低末端径向朝内渐细。在第二过渡区的主干区域47的圆周稍微大于圆柱形侧壁46的圆周,并且因此第二过渡区也是大体上平截头体状,其从侧壁46的轴向下部末端向主干区域47的轴向上部末端径向朝外渐细。在其轴向最低末端处,主体40向其自身弯曲,以界定提供连续接触区域的轮缘48,所述连续接触区域上稳定地支撑容器10。轮缘48形成主体40的耐压力无支撑基底50的一部分,并且因此一般来说为容器10的一部分。
当从容器10外部观察时,轮缘48的径向朝内部分,即基底50的下侧通常是凹形的。确切地说,基底50的下侧界定第一凹陷部51,其遵循以容器10的纵向轴线X为中心的第一扁球形体的轮廓。第一凹陷部51和轮缘在基底50的轴向下部径向外部位置合并在一起。基底50的下侧还界定呈第二凹陷部52的形式的加固的形成物。第二凹陷部也遵循以容器10的纵向轴线X为中心的第二扁球形体的轮廓。然而,第二扁球形体小于界定第一凹陷部51的第一扁球形体,并延伸到比第一扁球形体轴向更高的位置上。因此,第二凹陷部52在第一凹陷部51的轴向上部径向内部位置处中断第一凹陷部51的轮廓,第一与第二凹陷部之间的过渡由截头圆锥体过渡部分53界定。
例如唇口21、口22和凸缘23的配接器20的特征与彼此成一体式,因为它们由一片式PET构造。类似地,主体40的特征,例如套环43、颈部44、肩部45、侧壁46、主干区域47和基底50,也与彼此成一体式。
如所提到,容器10由预成型体10a制造。此外,返回参看图7,容器10从预成型体10a吹塑成型。确切地说,比较图7与图4,经双轴拉伸吹塑成型以形成容器10的主体40的膨胀部分的是预成型体10a的主体40a的膨胀区域。从图4中可容易辨别出主体40的膨胀部分,因为它们的壁明显地薄于主体40的非膨胀部分的壁。为了避免疑惑,主体40的膨胀部分包含基底50、主干区域47、侧壁46和肩部45的大部分。主体40的非膨胀部分包含肩部45的轴向上部末端、颈部44和套环43。
相比而言,预成型体10a的配接器20a不通过从预成型体10a到容器10的转换来修改;即,它未通过吹塑成型的操作变形。
因此,参看图7到9,预成型体10a的配接器20a具有容器10的配接器20的相同的原理特征。类似地,容器10的主体40的未膨胀部分——即,套环43和颈部44大体上与预成型体10a的那些匹配。因此,这些共同的特征由类似的参考标号表示。
不同于容器10的主体20,预成型体10a的主体20a包括通常为截头圆锥体的导入口部分45a和通常为子弹形的尾部部分46a。这些共同界定预成型体10a的主体20a的主要膨胀区域。
尾部部分46a包括在其轴向上部末端处结合到导入口部分45a上的连杆47a。连杆47a在预成型体10a的轴向下部末端处通过界定预成型体10a的封闭末端的球状尖端48a来端接。尽管连杆的形状大体上是圆柱形的,它的确沿着尖端48a的方向径向朝内渐细。与大体上恒定的壁厚组合,这为主体40a提供允许其易于从注塑模具中取出的拔模。此外,主体40a具有沿着在主体40a的轴向上部末端处的孔口的方向变宽的内部盲孔,如套环43所定界的。
类似地,应注意,配接器20a的内部孔在一个方向——即,从在配接器20a的轴向上部末端处的唇口21到邻接凸缘23的配接器20a的轴向下部末端的方向上变宽。然而,主体40a的内部孔是在尖端48a处闭合的盲孔,而配接器20a的内部孔是通孔。
因此,由结合配接器20a和主体40a形成的预成型体10a具有内部孔,所述内部孔在预成型体10a的末端(即,尖端48a和唇口21)比在中间(即,在凸缘23和套环43处)更窄。这种预成型体无法通过常规的注塑成型技术一片式地制造。
图10是图7的预成型体的分解剖视图,配接器20a和主体40a示出为个别部分。如现将更详细地描述,配接器20a和主体40a固定和密封在一起以产生预成型体10a。这通过配接器20a和主体40a的互补接口实现,所述互补接口目前通过配接器20a的圆周凸缘23和主体40a的套环43体现。
图10a是图10的预成型体的区域-b-的示意性放大局部视图,其更详细地示出了圆周凸缘23和套环43的结构。一般来说,配接器20a的圆周凸缘23界定环形凹槽231,在所述环形凹槽231内,当配接器20a和主体40a结合在一起时可接纳主体40a的套环43。因此,凸缘23和套环43有效地界定将配接器20a和主体40a啮合在一起的啮合结构,其中套环43位于圆周凸缘23内。
更详细地,套环43沿着远离下伏颈部44的外表面的径向朝外方向延伸,所述下伏颈部44的外表面与套环43一体式形成。此外,它从主体40a的下伏颈部44径向朝外偏移以使得颈部44的轴向上部末端的径向内部部分界定轴向面朝上的阀座440。套环43合并到颈部44的轴向上部末端的对应的径向外部部分上。套环43还沿着轴向朝上方向延伸。套环43大体上具有矩形环面的形状,但其中它的轴向上部边缘435、436为倒角,它的轴向下部径向内部边缘与颈部44平滑地合并。套环43因此界定轴向面朝上的结合表面430和轴向面朝下的夹持表面431。
作为补充,配接器20a的圆周凸缘23包括环形部分230,其沿着远离口22的外表面的径向朝外方向延伸,所述口22的外表面与凸缘23一体式形成。环形部分230在其径向外端处被轴向向下延伸的第一圆周裙座235包含,从而限定环形凹槽231的一侧。环形部分230在其径向内端处被同样轴向向下延伸的第二圆周裙座236包含,并界定环形凹槽231的另一侧。环形部分230还包括轴向面朝下的结合表面232和轴向面朝上的夹持表面234。
由圆周凸缘23界定的环形凹槽231具有径向宽度和轴向高度,所述环形凹槽231容纳套环43,以使得当配接器20a和主体40a密封到彼此上时,相应的结合表面232、430接触彼此,并且裙座235、236定位在套环43的任一侧,其中第二圆周裙座236大体上结合颈部44的阀座440。啮合的阀座440和第二圆周裙座236的径向宽度及定位匹配彼此。因此,横跨配接器20a和主体40a的接口的内部孔的直径是大体上恒定的。
套环43的倒角边缘435、436意味着各自为大致三角形部分的环形间隙在套环43的倒角边缘435、436与环形凹槽231的非倒角隅角之间界定。
与环形部分230的结合表面232一体式形成并从环形部分230的结合表面232突出的是一对同心的能量导引件450、451,其中的每一个大体上具有三角形环面的形状。每一能量导引件450、451之间的径向距离a1为大约1.8mm,每一能量导引件450、451的轴向高度a2为大约0.4mm。在替代方式中,径向距离a1通常在0.5mm到3mm的范围内,轴向高度a2通常在0.2mm到0.7mm的范围内。在图10a中示出的剖视图中,每一能量导引件450、451的两个轴向面朝下的面与彼此形成直角,使得每一能量导引件在尖锐的圆形顶点处端接。
如先前所提到,预成型体10a的配接器20a和主体40a各自由通过注塑成型制造的一片式PET制成。具体来说,它们制造为单个部分,随后被焊接在一起以产生如参看图11将描述的预成型体10a,图11是图7的预成型体的分解侧视图。
配接器20a和主体40a经安置以使得它们相应的中心纵向轴线沿着共同纵向轴线X对准。配接器20a和主体40a接着沿着所述轴线X向彼此移动直至它们的互补接口部分地啮合,其中能量导引件450、451的顶点抵着套环43的轴向面朝上的结合表面430按压。通过凸缘23和套环43的夹持表面234、431施加夹持力,并局部地施加焊接能量到配接器20a和主体40a的靠近结合表面430、232的区域上。确切地说,超声波发生器施加于凸缘23的夹持表面234以使得高频超声波振动穿过到能量导引件450、451上,所述能量导引件450、451的顶点相对于套环43的邻接结合表面430振动。能量导引件450、451的顶点的尖锐接触边缘聚集焊接能量以使得能量导引件450、451在凸缘23和套环43的任何其它下伏材料之前熔化。同心能量导引件450、451的环面形状使得形成两个熔化的环圈。随着能量导引件450、451继续熔化,并且配接器20a和主体40a按压得更接近彼此时,这些熔化的环圈聚结在一起。此外,当面对的结合表面232、430之间的空隙变窄时,熔融材料被挤压到结合表面232、430的径向末端上。然而,通过套环43的倒角边缘435、436与环形凹槽231的非倒角隅角之间的环形间隙,熔融材料的流动大体上被限制在结合表面232、430上。因此,这些环形间隙有效地界定焊接沟槽,所述焊接沟槽形成配接器20a和主体40a的待焊接在一起的区域的边界。因此可精确地建立焊接区。
当形成能量导引件450、451的大体上的所有材料已经熔化并且互补接口处于完全啮合的位置时,去除焊接能量,并允许焊接件冷却。预成型体10a由此形成,并准备好进行拉伸吹塑成型以形成喷雾剂容器10。
确切地说,预成型体10a的双轴拉伸吹塑成型通过以下操作进行:在尾部部分46a的膨胀区域处加热预成型体10a,通过内部孔施加推杆以沿着轴向方向拉伸尾部部分46a,接着把空气吹入预成型体10a以沿着径向朝外方向将它膨胀到呈现模具的形状。所产生的双轴拉伸容器10对内部压力具有很强的抗性。
接口和(此外)开口距离膨胀区域的轴向间距确保开口不会通过拉伸吹塑成型操作而变形。因此,喷雾剂阀盖随后适配到开口上以制造喷雾剂组合件的可靠性增加。
考虑图式,另外的特征和优点对于所属领域的技术人员将是显而易见的。此外,本发明的实施例的修改和变化形式对于所属领域的技术人员将是显而易见的。
Claims (29)
1.一种经布置以吹塑成喷雾剂容器的预成型体,所述预成型体包括:
配接器和主体,其各自具有互补接口,所述配接器和主体通过所述互补接口固定到彼此;
所述配接器界定所述预成型体的开口,所述开口经布置以接纳喷雾剂阀盖且通过喷雾剂阀盖密封;以及
所述主体包括膨胀区域,所述膨胀区域经布置以通过吹塑膨胀来形成所述喷雾剂容器的内部容积。
2.根据权利要求1所述的预成型体,其中所述配接器和所述主体各自由一片式塑料材料,理想地聚对苯二甲酸伸乙酯(polyethylene terephthalate,PET)形成。
3.根据权利要求1或权利要求2所述的预成型体,其中所述配接器和/或所述主体注塑成型。
4.根据任一前述权利要求所述的预成型体,其中所述主体的所述膨胀区域与所述主体的所述接口间隔开。
5.根据任一前述权利要求所述的预成型体,其中所述开口与所述配接器的所述接口间隔开。
6.根据任一前述权利要求所述的预成型体,其中所述主体和所述配接器的所述互补接口包括沿着连续环圈结合和密封在一起的结合表面。
7.根据任一前述权利要求所述的预成型体,其中所述互补接口通过焊接,理想地超声波焊接,密封在一起。
8.根据任一前述权利要求所述的预成型体,其中所述配接器和所述主体各自包括沿着远离所述相应的配接器和主体的外表面的朝外方向延伸的凸缘,每一凸缘支撑所述相应的配接器和主体的所述接口。
9.根据权利要求8所述的预成型体,其中所述接口支撑在所述凸缘的相应的面对表面上,所述凸缘的相应的背面表面经布置以传输夹持力以将所述面对表面驱动在一起。
10.根据任一前述权利要求所述的预成型体,其中所述配接器包括向所述开口变窄的内部孔。
11.根据任一前述权利要求所述的预成型体,其中所述配接器包括径向朝内突出的唇口,喷雾剂阀盖围绕所述唇口可卷曲适配。
12.一种用于构造根据任一前述权利要求所述的预成型体的配接器和/或主体。
13.根据权利要求12所述的配接器和/或主体,其包括位于其相应的接口处的至少一个能量导引件,所述能量导引件经塑形以当施加焊接能量时熔化,从而促进将所述配接器和主体中的一个焊接到另一个上。
14.根据权利要求13所述的配接器和/或主体,其由一片式塑料材料形成,所述能量导引件也由所述一片式塑料材料形成,并经塑形以当施加焊接能量时比所述材料的下伏部分更易于熔化。
15.根据权利要求13或14所述的配接器和/或主体,其中所述至少一个能量导引件经定位和经布置使得,当施加焊接能量后熔化时,其形成连续熔化的环圈,以将所述配接器和/或主体的所述互补接口结合和密封在一起。
16.一种由根据任一前述权利要求所述的预成型体、配接器和/或主体制造的喷雾剂容器。
17.一种由塑料材料所构造的预成型体制造的喷雾剂容器,所述容器包括:
界定所述容器的开口的配接器,所述开口经布置以接纳喷雾剂阀盖且通过喷雾剂阀盖密封;以及
界定所述喷雾剂容器的内部容积的主体;
其中
由所述主体界定的所述内部容积大体上来源于经吹塑所述预成型体而膨胀的所述预成型体的膨胀区域;以及
所述喷雾剂容器的所述配接器大体上来源于所述预成型体的未通过所述吹塑而膨胀的区域。
18.根据权利要求16或权利要求17所述的喷雾剂容器,其进一步包括大体上来源于所述预成型体的吹塑膨胀区域的主体,其中所述主体界定所述容器的无支撑基底。
19.根据权利要求18所述的喷雾剂容器,其中所述无支撑基底包括其上支撑所述容器的轮缘。
20.根据权利要求19所述的喷雾剂容器,其中所述基底的下侧界定第一凹陷部。
21.根据权利要求20所述的喷雾剂容器,其中所述基底的所述下侧进一步界定中断所述第一凹陷部的轮廓的加固的形成物。
22.根据权利要求21所述的喷雾剂容器,其中所述加固的形成物包括第二凹陷部。
23.根据权利要求21或权利要求22所述的喷雾剂容器,其中
所述第一凹陷部遵循以所述容器的纵向轴线为中心的第一扁球形体的轮廓,所述第一凹陷部在轴向最低径向外部位置处平移到轮缘中;以及
所述加固的形成物遵循以所述容器的所述纵向轴线为中心的第二扁球形体的轮廓,所述第二扁球形体小于界定所述第一凹陷部的所述第一扁球形体,所述第一凹陷部在所述基底的轴向上部径向内部位置处平移到所述加固的形成物中。
24.一种喷雾剂组合件,其包括根据权利要求16到23中任一权利要求所述的喷雾剂容器和喷雾剂阀门。
25.一种制造方法,其包括:
(a)提供配接器和主体,其各自具有互补接口;以及
(b)将所述配接器和主体的所述互补接口固定到彼此上以制造适合于吹塑成喷雾剂容器的预成型体。
26.根据权利要求25所述的方法,,其中步骤(a)包括使所述配接器和主体注塑成型。
27.根据权利要求25或权利要求26所述的方法,其中步骤(b)包括理想地通过超声波焊接将所述配接器和所述主体的所述互补接口焊接在一起。
28.根据权利要求25到27中任一权利要求所述的方法,其中步骤(b)包括将所述配接器和所述主体的所述互补接口按压在一起。
29.根据权利要求25到28中任一权利要求所述的方法,其进一步包括:
(c)通过以下操作制造喷雾剂容器:
(i)加热所述主体的膨胀区域,所述膨胀区域与所述主体的所述接口间隔开;以及
(ii)通过拉伸吹塑使所述主体的所述膨胀区域膨胀以形成喷雾剂容器的内部容积。
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PCT/GB2015/050463 WO2015124920A1 (en) | 2014-02-18 | 2015-02-18 | Plastic aerosol container, preform and method |
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GB2523202A (en) | 2015-08-19 |
WO2015124920A1 (en) | 2015-08-27 |
RU2016137172A3 (zh) | 2018-09-17 |
RU2016137172A (ru) | 2018-03-23 |
US20170036848A1 (en) | 2017-02-09 |
GB2523202B (en) | 2017-09-06 |
GB201402885D0 (en) | 2014-04-02 |
CA2939256A1 (en) | 2015-08-27 |
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