CN103287647A - 使塑料容器内压力上升的系统和方法 - Google Patents

使塑料容器内压力上升的系统和方法 Download PDF

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CN103287647A
CN103287647A CN2013101421925A CN201310142192A CN103287647A CN 103287647 A CN103287647 A CN 103287647A CN 2013101421925 A CN2013101421925 A CN 2013101421925A CN 201310142192 A CN201310142192 A CN 201310142192A CN 103287647 A CN103287647 A CN 103287647A
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D·M·梅尔罗斯
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Abstract

本发明提供了一种使塑料容器内压力上升的方法，所述方法包括：a.给塑料容器填充液体，所述塑料容器具有一纵轴；一上部，所述上部有一进入容器的开口；一从所述上部延伸到下部的本体部，所述下部包括一底，所述底封闭所述容器的一端；所述容器具有设置在所述下部内的至少一个横向的压力板；b.给所述容器加盖；和c.将力施加到所述容器，使得所述压力板从倾斜位置皱折到翻转位置，以便引起所述容器内的压力上升。

Description

使塑料容器内压力上升的系统和方法
本申请是申请号为201010003787.9的分案申请的再次分案申请，母案的申请号为03824824.7、发明名称为“具有去除负压结构的容器”，母案的国际申请日为2003年9月30日、国际申请号为PCT/NZ2003/000220。
技术领域
本发明通常涉及一种允许除去负压的容器结构。它是通过翻转设置在容器下端壁，或底部区域内的横向的负压板实现的。具体地，本发明涉及一种使塑料容器内压力上升的系统和方法。
背景技术
所谓的“热灌装”容器在现有技术中是公知的，制造商供应PET容器以将各种液体灌装到容器内，该液体产品具有较高温度，通常在85摄氏度左右（185华氏度）。
容器被制造成能经受其所保存的热液体的热冲击，其结果是形成塑料容器的“热定形”。该热冲击是由在灌装时注入热液体，或液体注入容器后对其加热时导致的。
然而，一旦已封口容器内的液体冷却，容器内的液体体积就减少，从而在容器内产生真空。液体的收缩导致容器的侧部或端壁上的负压向内拉动。如果塑料瓶没有足够刚性的结构抵抗这种力，那么反过来就会导致塑料瓶壁的变形。
典型地，通过使用在负压下向内变形的真空板调节负压。现有技术披露了很多竖向的真空板，它们允许容器经受热灌装工序的酷热。这种竖向真空板通常与容器的纵轴平行并在负压下朝着该纵轴向内弯曲。
除竖向的真空板外，很多现有技术的容器也具有柔性底部区域，以提供额外的真空补偿。现有技术的很多设计用于热灌装的容器具有端壁或底部区域的各种变型，以允许尽可能多的向内弯曲，以便调节容器内所生成的至少部分负压。
然而，所有的这些现有技术，提供的是水平的或向内倾斜或凹陷的底面。这些底面也已被改进以便可以尽可能多地向内偏移。当底部区域因压力弯曲时，它可移动到比施加真空力前更倾斜的位置。
但是，不幸的是，真空下所产生的在底部区域纵向拉动的力仅是横向方向同时产生的力的一半。因此，竖向的真空板能够比设置在底部的板更易于对力起反应。此外，绕容器周边可比在其端壁内得到更多表面积。因此，充分的真空补偿能够仅通过将竖向的真空板设置在容器周壁区域的大部分上，通常为可利用面积的60％而获得。
即使利用了这种竖向板的大致移动，然而，容器还需要进一步加强以防止真空力下的扭曲。
因液体冷却而导致的液体收缩使得负压增大。真空板朝着该负压偏斜，直到减少了该真空力的程度，通过有效地形成更小的容器以更好地适应内容物变小的体积。但是，该较小形状被所生成的真空力保持在适当位置。该结构越难以向内偏斜，产生的真空力越大。在现有技术中，容器内仍存在大量真空，这趋于使整个形状扭曲，除非在距容器端部至少1／3处的水平或横向方向内设置一大的、环形加强环。
考虑到这些，相信仅通过端壁或底部区域的变化以提供完全的真空补偿是不可能的，已是公知的。该底部区域相较侧壁，提供了非常小的表面积，且对侧壁一半比率的力起反应。
因此，习惯作法是仅要求通过底部区域所产生的整个真空补偿起部分帮助。此外，即使底部区域能够提供足够的弯曲以适应容器内所有液体的收缩，也可能在底部固定（standing）环上存在一有效的真空力和有效的应力。也可以在侧壁上产生力，为防止变形，光滑侧壁在材料分布上可以更厚，可以通过肋或类似物进行加强，或者可以设置成与机械变形更相容的形状（例如代替圆形的正方形）。
为此，不可能提供在侧壁上没有通常现有技术的竖向真空板的塑料容器的设计容器。很多制造商因此不能使与具有光滑侧壁的玻璃瓶设计相同设计的塑料瓶商业化。
美国专利6,595,380（Slivers）请求提供一种全真空补偿，该补偿借助底部区域，不需要在光滑侧壁上设置竖向真空板。这是结合了公知技术和现有技术中的实际应用提出的。Silver设置了一个轻微向内的半球形和凹入的底部区域，以便在负压下提供进一步的向内运动。然而，所公开的技术及所述的效率所需的百分比面积并未被本申请考虑以提供对问题的可行解决方法。
事实上，底部区域内的弯曲在水平底部区域内被认为最大，这种最大化底部上的水平部分已广泛应用，并且发现它不能提供足够的真空补偿以避免同时用竖向的真空板。
Slivers确实提供了被加强的底部区域，该加强是通过将底部区域连接到容器固定环上实现的，以便当加热的液体增大了新灌装并封盖的容器内的初始内部压力时，有助于防止向内倾斜的或平坦部分的不需要的向外移动。该连接通过肋结构获得，所述肋结构也用于加强平坦区域。虽然其可以加强该区域，从而使得更多的真空力施加于其上，反过来该肋进一步减小了底部区域内的弯曲，并因而减小了弯曲度。
本申请人相信Silvers建议的专门“带有加强肋”的方法仅能提供所需真空补偿的大约35％，因为本申请人不认为该改进的端壁能够有效地向内弯曲以完全解决可能形成的液体收缩。因此，有效地保持负压被期望形成。因而使用这种底部结构的容器仍然非常需要加厚侧壁，而制造中当对侧壁加厚时，底部区域也会变厚。结果形成一较小弯曲的底部区域，反过来也减小了所获得真空补偿的效率。
本发明涉及一种热灌装容器，它是国际申请WO02／18213（PCT申请）中所描述的热灌装容器的改进，该国际申请的整个说明书的相关部分结合于此。
该PCT申请论及热灌装容器的设计背景及这些设计导致的问题，在该PCT申请中公开了通过设计对原设计问题的克服或至少所做的改进。
在该PCT申请中提供了一半刚性容器，该容器具有一大致竖向皱折的真空板部分。这种横向设置的真空板部分包括一起始部和一控制部，它们通常抵抗坍陷状态引起的膨胀。
该PCT申请的进一步描述是涵盖了沿容器壁各个位置上的真空板。
当将这样一块板设置在端壁或底部区域内时，存在一个问题，如果该板不能纵向足够远地移动到容器内、以不再形成与容器直立的表面相接触的容器部分，就会危及该板的稳定性。
当在底部端壁内使用一横向板时，另一个存在的问题是，当满的并封盖的容器落下时，由翻转板的冲击偏移引起的势能。这可能在侧面落下的柔性或非结构壁的容器中形成。该侧壁的冲击偏移引起作用于板上的内部压力的冲击波。在此情况下，期望改进的板结构进一步防止板的展开，或优选利用初始区域结构防止该反向移动。
发明内容
根据上文，本发明一优选实施例的一目的是提供一种塑料容器结构，在其下部具有一横向压力板，该压力板被设置用于除去负压，从而在容器内基本没有残余力。
本发明一优选实施例的另一目的是提供一种容器，具有一横向压力板，该压力板与连接壁脱开一定距离，从而能够获得更大的向内及纵向运动。
本发明一优选实施例的另一目的是提供一种具有横向压力板的容器，该压力板向内设置到容器最终结构的固定环上方的位置，于是形成具有更大固定环或着地面积的新的底部区域，该压力板在商业流通时基本上防止施加至该容器的顶部载荷力。
本发明一优选实施例的再一目的是提供一种改进的具有初始部的横向压力板，该初始部基本上利用与控制部相同的角度，于是能除去较大量的负压，从而也能更好地抵抗向外的偏移。
本发明所有实施例中所有可被分别理解的目的中的进一步及可选择地目的至少都提供给了公众以便选择。
根据本发明一方面，提供了一种容器，该容器具有一纵轴，一上部，该上部有一进入容器的开口，一从上部向下部延伸的本本体部，该下部包括一底，该底封闭所述容器的一端，该容器具有设置在下部的至少基本横向的压力板部分，该压力板部分能从一纵向倾斜位置皱折到一反向位置，以便补偿容器内产生的压力变化。
根据本发明又一方面，一容器具有一纵轴，一底，邻近该底设置的至少一个基本横向的真空板部分，该真空板部分适于从一纵向倾斜位置皱折到一反向位置，以便补偿容器封盖后其内液体冷却引起的容器内的压力变化，于是较小的力施加在容器的内壁上。
根据本发明再一方面，一容器具有一纵轴，一侧壁和封闭容器一端的底，该容器具有一单个基本横向的真空板部分，该真空板部分设置在下部内，并通过一脱开或铰接结构连接到侧壁，该真空板部分适于从一纵向倾斜位置皱折到一反向位置，以便补偿容器内形成的压力变化。
优选在一实施例中该真空板部分可以包括一初始部和一控制部，该初始部在控制部之前提供皱折。
优选在一实施例中脱开结构将压力板部分和本本体部连接，且该脱开结构是允许该压力板向内并向上纵向移动的区域。
优选在一实施例中该真空板部分没有抑制大致纵向移动并翻转的加强肋。
优选在一实施例中该真空板部分可以包括凹槽结构或类似结构，以便允许皱折力的均匀周向分布，以便提供对从一倾斜位置到另一位置皱折该压力板部分的加大的控制，以有助于防止真空板不希望地返回初始位置。
优选在一实施例中，在皱折后，容器的直立支撑由容器侧壁的下部提供，该下部提供了一替代的容器直立支撑。
根据本发明又一方面，提供了在前述八段的任一段中限定的容器内压力变化的补偿方法，其中该方法包括施加一力至每个真空板部分，以促使该皱折的形成。
根据本发明再一方面，提供一种热灌装容器，该容器基本参照附图任一实施例的描述。
本发明的其它涉及新颖性考虑的方面从下文的描述中会更清楚。
附图说明
图1显示根据本发明的一个可能实施例的热灌装容器瘪陷前的剖视图；
图2显示瘪陷状态下图1中的容器；
图3显示瘪陷前图1的下部；
图4显示瘪陷后图2的下部；
图5显示图1容器下部瘪陷前的底视图；
图6显示瘪陷前图1的下部；
图7显示瘪陷后图2的下部；
图8a显示根据本发明另一实施例的热灌装容器在瘪陷前的剖视图；
图8b显示容器沿图8a和9中C－C线的剖视图；
图9显示图8a，8b和图10的容器下部瘪陷前的底视图；
图10显示容器沿图9中D－D线的剖视图；
图11a-d显示根据本发明另一实施例的结合有一推杆以提供板皱折的容器的剖视图；
图12a-d显示根据本发明又一实施例的结合有一推杆以提供板皱折的容器的剖视图；
图13显示本发明另一实施例瘪陷前的下部；
图14显示瘪陷初始阶段期间的图13的下部；
图15a-b显示含有向外突出凹槽的图9中的容器的侧视图和剖视图；
图15c显示具有沿E-E和F-F线的点划轮廓线的图15a和15b的容器下部的底视图；
图15d显示图15a-c的容器下部的透视图；
图16a显示根据本发明另一实施例的含有向内突出的凹槽的图16c的容器沿I－I线的侧视图；
图16b显示图16c的容器下部沿J－J线的剖视图；
图16c显示具有沿G-G和H-H线的点划轮廓线的图16a和16b的容器下部的底视图；
图16d显示图16a-c的容器下部的透视图；
图17a-d分别显示图15容器的侧视图、侧透视图、端透视图和端视图；
图18a-d分别显示图16容器的侧视图、侧透视图、端透视图和端视图；
具体实施方式
下文对优选实施例的描述实质上仅是示例性的，决不是对本发明或其应用或使用的限定。
如上所述，为了在热固容器内容物冷却过程中调节真空力，容器通常绕其侧壁和一优化的下部设置有一系列真空板。在真空力的影响下，该真空板向内变形，而下部向上变形。这防止了容器其它部分所不期望的扭曲。然而，该容器仍经受内部真空力。所述板和下部仅提供了一适宜的抵抗该力的结构。该结构抵抗得越大，存在的真空力也就越多。此外，当最终使用者抓握该容器时，能感受到真空板的存在。
在灌装厂，容器在经受冷水喷淋前，通常先被灌装热液体，随后封盖，导致容器内形成真空，这是容器结构需要能够克服的。本发明涉及热灌装容器和一种结构，该结构用于基本除去负压或基本不存在负压。该结构允许更大的设计自由度和更轻的可能性，因为它不再需要抵抗那些可能会使容器机械变形的真空力的结构。
如上所述及在PCT申请中，对于热灌装容器设计的各种建议已被提出。
PCT申请中有关热灌装容器的另一种改进在于在侧壁下部和向内的半球形下部区域之间设置向外倾斜并横向设置的真空板。在该位置，容器具有较差的稳定性，在下部区域直径较小的情况下，也不可能有好的固定环支撑。此外，优选设置一脱开结构，其提供一连接到真空板与下部侧壁结合处的铰链接合。该脱开结构提供给真空板较大范围的纵向移动，该范围大于该真空板例如借助肋连接到侧壁所可能形成的移动。脱开结构的一侧与侧壁保持相邻，允许脱开结构的另一侧邻近其初始部以向内及向上弯曲。因此，该脱开结构使得该初始部有较大偏移，并允许板部分纵向运动到更加远离先前的向外倾斜位置，同时使板部分相对容器向内、相对初始下部位置向上皱折。该下部侧壁因而在这种翻转期间经受下部力。在此作用期间，下部纵向向上移动并进入容器内。
此外，当真空板部分向内并向上皱折时，该脱开结构允许该真空板同时形成部分容器下部。这种改进至少有两个重大优势。
首先，皱折后由于设置真空板以形成下部部分，机械力能够立即作用于真空板上，以便施加转向力。这使得对上述操作有更多控制，例如可以由一机械推杆施加，该推杆与容器下部接合以重新设置容器的形状。这使得可以对初始部进行更多的设计优化。
其次，从图中看，随着横向真空板从一向外位置向一向内位置被推动，该真空板实际上已完全移走。这意味着在容器侧壁的主要部分上没有添加显著的以便形成真空补偿的设计结构。因此，如所需要的，本发明侧壁的主要部分可能没有结构部件，且如所需要的，本发明的容器能够复制清晰的玻璃容器的壁。可选择地，由于真空板翻转后，容器内可能会残存极少量或没有真空，因此任何设计或形状能立即被应用而不会考虑完全抵抗在其它热灌装包装件内形成的真空力。
这种设计允许有更宽的固定环。该脱开结构使得真空板纵向移动，于是真空板的任何部分或向上的半球形下部与相连的下部表面间没有接触。一固定环随后通过毗邻该脱开结构下部侧壁设置。
此外，通过增加对本发明的运动和作用力的更多控制，有可能允许初始部具有与控制部相同的锐角。这使得在翻转期间增加体积转换，并提高返回初始位置的阻力。
参见附图，图1仅通过例子以概略的剖视图显示一瓶形的容器。一般以箭头10表示该容器，其具有颈部12和延伸到侧壁11下部的侧壁9，及下面的底部2。
容器10通常由任意合适的塑料材料吹模成型，该塑料材料通常是聚对苯二甲酸乙二醇酯（PET）。
所示的底部2设有多个加强肋3，以便形成“香槟型”下部，虽然这仅是一个例子。
在图1中，作为压力板的下部侧壁11，其显示的是未皱折状态，于是一环或环形部6设置在底2的下部水平面上方，该下部水平面形成容器10的固定环或支撑4。
在图2中，显示下部侧壁11已向内皱折，从而圆环或环形部6设置在底2的下部水平面下方，并形成容器10的新的固定环或支撑。
为便于其形成，正如在图3和4中特别看到的，毗邻圆环或环形部6的是一足弓或凹槽8和一脱开结构13，在此处为一基本平坦的没有肋的区域，在皱折后能够使底部2完全有效地位于A－A线上，在容器下部看不见。然而，对于脱开结构13的很多其它构造也是可以想像的。
现在特别参见附图5，显示具有加强肋3的底2被侧壁9的下部环形部11和环形结构13围绕。在此特定实施例里显示了具有初始部1的下部11，该初始部1构成瘪陷或内翻区的一部分，从而在瘪陷或皱折区的其余部分之前产生一纵向坍陷力。底部2如图所示设置在下部固定环4内，该圆环4将是皱折板翻转前，容器10的第一个支撑位置。
与初始部1相连的是控制部5，在该实施例中，控制部5是一更大倾斜角度的翻转部，其可以抵抗瘪陷状态的进一步扩张。
图中示出了形成侧壁9下部11的外圆周，板11瘪陷后侧壁固定环或环形部6提供新的容器支撑。
为增加真空的抽空，可以理解，优选给压力板11的控制部5提供一锐角。如图6所示，该板控制部5通常设计有在30度至50度之间变化的角。优选确保该角度设计至少大于10度。在此实施例中的该初始部1可能具有至少小于控制部10度的一个较小角度。
通过例子，可以理解，当板11被机械压力翻转时，它可能经受施加给它的一个双倍的角度变化。如果锥形控制部5设计为10度，它将提供相当于20度的板变化。已经发现在这样低的角度下在热灌装容器内提供的真空补偿是不够的。因而，优选提供更大的锐角。
参见图6和7，人们意识到控制部5可以初始地设计为向外倾斜近似35度，并随后翻转及近似70度的角度变化。在此例子中该初始部可以是20度。
参见图8a和8b，其中与前述相同的部件使用了相同的标号，可以预见，在本发明的可能实施例中，初始部可能被重新设置，于是控制部18可能基本上提供绕底部2周围的连续锥形区域。
前述图所述实施例中的初始部1和控制部5在此以一般（common）角设置，于是它们形成一均匀倾斜的板部。然而，初始部1仍可能被成形以提供最小抵抗翻转的面积，于是即使它与控制部18具有相同的角度，它仍能提供瘪陷或翻转的初始区域。在此实施例中，初始部1促使压力板11从邻近脱开结构13的最宽直径开始翻转。
在此实施例中，容器侧壁9为“玻璃型”结构，即没有在通常容器中可以形成，特别是如果需要抵抗负压所产生的力时的额外的加强肋或板。但是额外的结构可以添加到真空板11的锥形部中，以便进一步增加对翻转工序的控制。例如，真空板11的锥形部可以被分为多个凹槽区。特别是参见图8a和9，向外凸出并绕较大的角组件19的中心轴线形成区域及较小的角组件18的区域均匀分布的板部分可能提供对板翻转的更大控制。当在翻转位置时，这种几何形状对板的翻转提供更大阻力和更均匀的分布力。
参见图15a-c及17a-d，显示了凸的或向下向外突出的凹槽。
除了向外所形成的凹槽外，也可以想像凹的或向内形成凹槽的装置。向内的凹槽对初始翻转力提供了更小的抵抗，但伴随有对翻转回初始位置更大的抵抗。这样，它们与肋表现为非常相同的方式，以防止板被迫回复至向外的倾斜位置，但允许从第一向外倾斜位置到向内倾斜位置的铰链移动。这种向内或向外方向的凹槽或突起用作肋以提高翻转板所需的力。可以理解，被施加用以翻转板的机械操作将足以克服任何肋加强板，且当该机械操作从肋加强板，例如坚固的凹槽除去时，如果容器跌落或被冲击，将严重抵抗其回复到初始位置。
参见图16a-d及18a-d，显示了凹的或向上向内突出的凹槽，图16c的轮廓线G和H通过两横截面（relief）描述了该凹度。
包括利用凹槽与凸起布置的其它实施例也包含在本发明的范围内。
在图11a-d所示的实施例中，容器连同位于向内或向上倾斜位置的压力板20一起吹模成型。在将所述容器用作真空容器之前，例如借助通过颈部区域进入并向下推动的机械推杆21可将力施加于该皱折板20上，以便将该板设置在向外倾斜的位置上，例如如图11d所示。
在图12a-d所示的实施例中，在瓶子的灌装、封盖及冷却水喷淋导致的已灌装瓶内的真空产生后，诸如借助机械推杆22或产生瓶底相对于冲头或类似物的一定相对运动，可将力作用在皱折板20上，以便迫使板20从一向外倾斜的位置移向一向内倾斜的位置。因为内部体积被强制减小，在板20翻转前使瓶子形状被扭曲的任何变形都将被消除。当板20的翻转导致压力升高时，容器内的真空被消除。这种压力升高使负压减小，直至达到大气压力或正好刚获得正压。
在本发明另一实施例中可以理解，板以图12a-d所示方式翻转，以便提供一个调节诸如在加热杀菌或类似杀菌方式所存在的内力。以这样的方式，板将提供减小所生成的内压并能够调节当产品冷却下来后所生成的真空力。
在这种方式中，板将从图11a到11b中的向上倾斜位置翻转到图12a-d所示的向下倾斜的位置，除非该机械操作未被提供。代替的，该力被内容物的内压代替。
再次参见图12a-d，可以看出，由于在容器10的侧壁9下部内提供皱折部20，侧壁9的主要部分可以不要任何结构部件，于是如果需要的话，容器10基本上能复制一玻璃容器。
虽然用于侧壁9的下部的特殊结构在附图中已显示，但是可以理解也可以提供其它结构。例如在另一实施例中，围绕底部2能够结合多个皱折部。
也可以提供很多不同的脱开或铰链结构13，而不会偏离本发明的范围。特别参见图6和7，可以看出提供给压力板11的脱开结构13的一侧可以是一增大的区域，以在翻转后提供一个向上进入容器的加大的纵向移动。
在本发明另一实施例，并参见图13和14中，可以看出压力板11的最宽部30可以早于窄部31翻折。该初始部可以如此构成以允许使用更薄的材料等等，使板11在其更窄部分前面、具有更大直径的位置开始翻转。在此情况下，径向离容器中心轴线更远设置的板的部分30在部分31前方翻折以作为初始部。
在前述说明中，标号被指代本发明的具体部件或整体而言，这种相同的部件在此结合，如同单独提出一样。
虽然本发明已通过例子并结合可能的实施例进行了描述，但是可以理解依此所做的修改和变化是允许的而不偏离由所附的权利要求所限定的本发明的保护范围。

Claims (36)

1.一种使塑料容器内压力上升的系统，所述系统包括：
用于给塑料容器填充液体的填充装置，所述塑料容器具有一纵轴；一上部，所述上部有一进入容器的开口；一从所述上部延伸到下部的本体部，所述下部包括一底，所述底封闭所述容器的一端；所述容器具有设置在所述下部内的至少一个横向的压力板；
用于给所述容器加盖的装置；和
用于将力施加到所述容器的第一装置，使得所述压力板从倾斜位置皱折到翻转位置，以便引起所述容器内的压力上升。
2.如权利要求1所述的系统，其特征在于，所述压力板包括在倾斜位置时相对于正交于纵轴的平面以大于10°的角度向外倾斜的部分。
3.如权利要求1或2所述的系统，其特征在于，所述压力板通过一脱开或铰链结构与所述容器的下部相连。
4.如权利要求1所述的系统，其特征在于，用于施加力的所述第一装置适于施加外部机械力。
5.如权利要求4所述的系统，其特征在于，用于施加力的所述第一装置包括机械推杆或者冲头。
6.如权利要求5所述的系统，其特征在于，所述系统设置成通过使塑料容器的底相对于用于施加力的所述第一装置进行相对运动来施加所述力。
7.如权利要求4-6中任一项所述的系统，其特征在于，用于施加力的所述第一装置设置成与所述底的一部分接合。
8.如权利要求7所述的系统，其特征在于，用于施加力的所述第一装置设置成与所述底的位于中心的部分接合。
9.如权利要求8所述的系统，其特征在于，所述底的位于中心的部分包括上推部。
10.如权利要求1所述的系统，还包括用于将力施加到所述容器的第二装置，从而将所述压力板从所述翻转位置皱折到所述倾斜位置。
11.如权利要求10所述的系统，其特征在于，用于施加力的所述第二装置包括机械推杆。
12.如权利要求11所述的系统，其特征在于，用于施加力的所述第二装置的所述机械推杆适于通过开口插入至所述容器中。
13.如权利要求11或12所述的系统，其特征在于，用于施加力的所述第二装置设置成在所述容器用作真空容器之前施加所述力。
14.如权利要求1所述的系统，还包括用于吹模成型所述塑料容器的吹模成型装置。
15.如权利要求14所述的系统，其特征在于，所述吹模成型装置设置成使所述容器与位于倾斜位置的压力板一起吹模成型。
16.如权利要求14所述的系统，其特征在于，所述吹模成型装置设置成使所述容器与位于翻转位置的压力板一起吹模成型。
17.如权利要求1所述的系统，还包括用于冷却所述容器的内容物的冷却装置。
18.如权利要求17所述的系统，其特征在于，所述冷却装置包括冷却水喷淋。
19.如权利要求1所述的系统，其特征在于，所述填充装置适于给所述容器填充热的液体。
20.如权利要求1所述的系统，其特征在于，所述系统适于加热杀菌，从而所述容器填充并密封在翻转位置的压力板，所述压力板在加热杀菌的加热阶段期间运动到倾斜位置，并且在冷却时返回到翻转位置。
21.如权利要求1所述的系统，其特征在于，所述压力板包括初始部和控制部，所述初始部对皱折压力具有较小的抗力并且在所述控制部之前提供皱折。
22.如权利要求1或21所述的系统，其特征在于，用于施加力的所述第一装置包括冷却装置，所述力由所述容器内的压力变化产生。
23.一种施力装置，用于施加力给塑料容器以将所述容器的压力板从倾斜位置皱折到翻转位置，以便引起所述容器内的压力上升。
24.一种使塑料容器内压力上升的方法，所述方法包括：
a.给塑料容器填充液体，所述塑料容器具有一纵轴；一上部，所述上部有一进入容器的开口；一从所述上部延伸到下部的本体部，所述下部包括一底，所述底封闭所述容器的一端；所述容器具有设置在所述下部内的至少一个横向的压力板；
b.给所述容器加盖；和
c.将力施加到所述容器，使得所述压力板从倾斜位置皱折到翻转位置，以便引起所述容器内的压力上升。
25.如权利要求24所述的方法，其特征在于，所述压力板包括在倾斜位置时相对于正交于纵轴的平面以大于10°的角度向外倾斜的部分。
26.如权利要求24或25所述的方法，其特征在于，所述压力板通过一脱开或铰链结构与所述容器的下部相连。
27.如权利要求24所述的方法，其特征在于，施加给所述容器的力是外部施加的机械力。
28.如权利要求27所述的方法，其特征在于，所述力由与所述底的一部分接合的机械推杆施加。
29.如权利要求24所述的方法，还包括使所述容器与在翻转位置的压力板一起吹模成型。
30.如权利要求24所述的方法，还包括使所述容器与在倾斜位置的压力板一起吹模成型。
31.如权利要求24-30中任一项所述的方法，其特征在于，在压力板的一部分上施加力，以便使压力板从翻转位置运动到倾斜位置。
32.如权利要求31所述的方法，还包括在将所述容器用作真空容器之前施加所述力使压力板从翻转位置运动到倾斜位置。
33.如权利要求24所述的方法，还包括在步骤b之后使所述容器经受加热杀菌处理。
34.如权利要求24所述的方法，还包括加热所述液体。
35.如权利要求24所述的方法，还包括冷却所述液体。
36.如权利要求24所述的方法，其特征在于，施加力的步骤包括冷却所述容器的内容物，从而在所述容器中产生减小的压力，所述减小的压力至少部分地提供所述力。
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