CN101180217B - 密封眼用镜片包装件的方法和设备 - Google Patents

密封眼用镜片包装件的方法和设备 Download PDF

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CN101180217B
CN101180217B CN2006800121584A CN200680012158A CN101180217B CN 101180217 B CN101180217 B CN 101180217B CN 2006800121584 A CN2006800121584 A CN 2006800121584A CN 200680012158 A CN200680012158 A CN 200680012158A CN 101180217 B CN101180217 B CN 101180217B
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ophthalmic lens
equipment according
lens packages
hole
assembly
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CN101180217A (zh
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E·克尔尼克
A·路易斯
C·霍德
A·达拉比
S·本杰明
M·普赖斯
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Johnson and Johnson Vision Care Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/2878—Securing closures on containers by heat-sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0222—Mechanical pre-treatments, e.g. reshaping without removal of material, e.g. cleaning by air blowing or using brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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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    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7373—Joining soiled or oxidised materials
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
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    • B65B25/008—Packaging other articles presenting special problems packaging of contact lenses
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    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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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
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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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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract

本文描述了从眼用镜片包装件的密封部分中移除包装液体的设备，其包括，施加真空的装置，装配在眼用镜片生产线上的支撑物，连接在该支撑物上的组件，其中该组件包括第一表面和第二表面，其中第一表面包括至少一个第一孔，其穿过组件延伸至位于第二表面上的至少一个第二孔，其中至少一个第一孔可去除地与施加真空的装置连接，其中生产线包括至少一个包含密封部分的眼用镜片包装件和用于移动所述眼用镜片包装件通过该生产线的装置，其中当眼用镜片包装件通过生产线时，眼用镜片包装件的密封部分在第二表面的一个区域下方不超过大约2mm处。本文还公开了使用该设备在密封之前处理眼用镜片包装件的方法。

Description

密封眼用镜片包装件的方法和设备
相关申请
本申请是序列号为US60/672192，2005年4月15日提交的美国临时专利申请的非临时申请。
本申请涉及一种在密封之前处理眼用镜片包装件的方法和设备。
背景技术
自从20世纪50年代开始，隐形眼镜(contact lens)在商业上被用于改善视力。第一副隐形眼镜由硬材料、玻璃和硬塑料做成。随后工艺的发展产生了在当今非常流行基于水凝胶的软材质隐形眼镜。眼用镜片通常独立包装，广为人知的是采用泡罩(blister)包装。典型的泡罩包装包括一个塑料碗状物，由层压箔片覆盖从而容纳镜片。参考美国专利D458023，5467868和5656362在此被整体引入作为参考。由于这些镜片的舒适性和流行性，大规模全自动生产工序包括将眼用镜片密封在主要包装件中并且对这些镜片进行消毒。参阅美国专利6054090，6018931，5696686，5577367，5488815和申请号为2004/0112008，2005/0013729的美国专利在此被整体引入作为参考。
尽管这些方法有用，但在某些情况下将眼用镜片真空密封到泡罩包装时，问题仍然会发生。例如，当眼用镜片由含水溶液包装并且加热至升高的温度进行消毒时，会形成蒸汽。蒸汽可能会妨碍泡罩与层压箔片的真空密封，并且在层压薄片上形成未密封区域的导槽或褶皱。产品在送到最终应用到眼部的消费者或眼科治疗医生时，这两种情况是不希望发生的。当含水溶液与在碗状物和盖之间形成气密密封的包装件区域接触时，这个问题尤为重要。如此不良密封的包装件通常是被丢弃的，并且可用的镜片也要被丢弃。因此找到一个方法，在生产时防止不良密封包装件的产生，是有用的。本发明满足了这种需求。
附图说明
图1示出了一个眼用镜片包装件。
图2示出了连接到支撑物上的本发明组件。
图3示出了一个隐形眼镜生产线图象。
图4示出了本发明一个组件的透视图。
发明详述
本发明包括在用盖密封包装件之前处理眼用镜片包装件的方法，该包装件包括眼用镜片和包装液体，该方法包括、该方法基本上由以下组成或该方法由以下组成：将所述包装液体从所述包装件的密封部分移除。此处的“眼用镜片”指的是放入眼中或放置在眼上的物件。这些物件能够提供视力矫正或装扮使用。眼用镜片包括但不仅限于软性隐形眼镜、眼内镜、遮盖镜、接目镜(ocularinsert)和插入镜(optical insert)。本发明优选的镜片是软性隐形眼镜，且由硅氧烷(silicone)弹性体或水凝胶组成，包括但不仅限于硅氧烷水凝胶和氟代胺水凝胶。软性隐形眼镜的配方由专利US5710302，WO9421698，EP406161，JP2000016905，US5998498，美国专利申请09/532943，US6087415，US5760100，US5776999，US5789461，US5849811，US5965631所公开，硅氧烷水凝胶在美国专利5998498，美国专利申请09/532943，提交于2000年8月30日的申请号为09/532943的部分继续申请，申请号60/318536的美国专利申请(题目为Biomedical Devices Containing Internal wetting Agents，提交于2001年9月10号)及其相同题目的非临时副本，提交于2002年9月6日申请号为10/236538的美国专利申请，美国专利6087415，美国专利5760100，美国专利5776999，美国专利5789461，美国专利5849811和美国专利5965631中公开。这些公开了上述应用的专利和专利申请及其他专利和专利申请，本文均都将其全部以参考方式引入。本发明尤其优选的镜片是etafilcon A、galifilcon A、senofilcon A、lenefilcon A、lotrfilcon A、lotrlfilcon B、balifilcon A、polymacon、genfilcon A、lenefilcon A、bafilcon acofilcon A acquafilcon A、alofilcon A alphafilcon A、amifilconA、bafilcon、acofilcon A acquafilcon A、、alofilcon A acquafilcon A、amifilcon A、astifilcon A、atalafilcon A、bisfilcon A bufilcon A、crofilcon A、cyclofilcon A、darfilcon A deltafilcon A、deltafilcon B、dimefilcon A、drooxifilcon A、epsifilcon A、esterifilcon A、focofilcon A、galyfilcon A、govafilcon A、hefilcon A hefilcon B、hefilcon D、hiafilconA、hilafilcon B、hixoifilcon A、hioxifilcon B、hioxifilcon C、hydrofilcon A、licryfilcon A、licryfilcon B、lidofilcon B、lidofilcon A、mafilcon A、mesifilcon A、methafilcon B、mipafilcon A、nelfilcon A、netrafilcon A、ocufilcon A、ocufilcon B、ocufilcon C、ocufilcon D、ocufilcon E、ofilcon A、omafilcon A、oxyffilcon A、pentafilcon A、perfilcon A、pevafilcon A、phemfilcon A，silafilcon A、siloxyfilcon A、tefilcon A、terafilcon A、trifilcon A、vifilcon A或xylofilcon A。本发明更优选的镜片是etafilcon A、genfilcon A、galifilcon A、senofilcon A、lenefilcon A、lotrfilcon A、lotrfilcon B和balifilcon A。最优选的镜片是galifilcon A和senofilcon A。
此处的“眼用镜片包装件”指的是任何容纳眼用镜片和包装液体的容器。优选的眼用镜片包装件的泡罩部分是硬的或塑料的。参阅专利号为4691820，5054610，5337888，5375698，5409104，5467868，5515964，5609246，5695049，5704468，5711416，5722536，5573108，5823327，5704468，5983608，6029808，6044966和6401915的美国专利，作为此种包装件的举例说明，它们在此被整体并入作为参考。一个眼用镜片包装件的例子如图1所示，该眼用镜片包装件9，通常具有基本平坦的第一表面10和凹穴11，用于容纳镜片和液体。特别优选的眼用镜片包装件由聚丙烯制成。眼用镜片包装件的“密封部分”是气密密封在盖部的区域。通常气密密封是将盖热密封到密封部分所形成。密封部分可以是基本平坦的第一表面10上的任何区域。优选的密封部分12是高出基本平坦的第一表面的突起，并且环绕凹穴11。此处的“盖”指的是可气密密封到眼用镜片包装件上的柔性材料。优选的盖是铝制成的柔性层压片，夹在一或多层聚合体之间。参阅专利号为6054090，5467868的美国专利，其在此被整体并入作为参考。
此处的“包装液体”指的是用于清洗、膨胀、储存、消毒或水合眼用镜片的溶液。液体的例子包括但不仅限于水、去离子水、有机溶液、含水盐溶液、醇例如甲醇、乙醇、异丙醇、叔戊醇、二氯甲烷、己烷和用于生产眼用镜片的稀释液。优选的稀释液包括有机溶剂、水或其混合物。优选的有机溶剂包括酒精、二氯甲烷、己烷、二醇、三醇、多元醇和聚亚烷基二醇。例子包括但不仅限于甘油、二醇如乙二醇酯或二甘醇、多元醇的硼酸酯如美国专利4680336，4889664和5039459所述、聚乙烯吡咯烷酮、乙氧基化的烷基糖苷、乙氧基化的双酚A、聚乙二醇、丙氧基化和乙氧基化的烷基糖苷混合物、丙氧基化或乙氧基化的烷基糖苷与C2-12二羟基醇单相混合物、ε-己内酯和C2-6烷二醇及三醇的混合物、乙氧基化的C3-6烷三醇、和如美国专利5457140，5490059，5490960，5498379，5594043，5684058，5736409，5910519所公开的混合物，所有上述专利在此被整体并入作为参考。稀释液也可从具有特定粘性和Hanson结合系数的化合物的组中选取，如美国专利4680336所述的那样，其在此被整体并入作为参考。优选的液体是含水盐溶液、水和去离子水。最优选的溶液是含水盐溶液，尤其是，硼酸盐缓冲盐溶液和去离子水。加工助剂可加入到液体中，包括表面活性剂如吐温、甲基纤维素、羟丙基甲基纤维素、羧基纤维素等、抗菌剂如硝酸银、硼酸盐等。
此处的“移除”指的是任何将包装液体移出眼用镜片包装件密封部分的方法，包括并不仅限于在密封部分应用真空(抽出空气)，吹入压缩空气。优选的方法是施加真空将液体从密封部分移除。
此外本发明还包括将包装液体从眼用镜片包装件密封部分内移除的装置，包括
施加真空的装置，
安置在眼用镜片生产线上的支撑物，
连接在所述支撑物上的组件，
其中所述组件包括第一表面和第二表面，
其中所述第一表面包括至少一个第一孔，其穿过所述组件延伸至位于所述第二表面的至少一个第二孔，
其中所述至少一个第一孔可移动地与所述施加真空的装置连接
其中所述生产线包括至少一个包括密封部分的眼用镜片包装件和用于移动所述眼用镜片包装件通过所述生产线的装置
其中当所述眼用镜片包装件通过所述生产线时，所述眼用镜片包装件的所述密封部分在所述第二表面区域下方不超过大约2mm处。
此处的“施加真空的设备”包括但不仅限于真空泵。优选的真空泵以4-8立方英尺/分钟(cfm)运行。真空泵从每个第二孔23泵除的空气量可以通过真空泵的速率和孔的直径(或面积)用已知方法计算。最优选的真空泵由GAST制造，Model 1023。参阅图2，支撑物13可移动地安置在眼用镜片生产线(未示出)的固定结构上。组件17与支撑物13在第三表面18和第四表面19(未示出)连接。组件17的第一表面20有三个第一孔21。优选的是每个第一孔21的直径为大约4.0mm到大约5.9mm，更优的是大约5mm。优选的是第一孔21的数目从至少1个到大约5个不等，最优选的是3个。第二表面22具有数个第二孔23。优选的是每个所述第二孔的直径为大约0.75mm到大约1.5mm，更优选的是大约1.0mm。优选的是第二孔23的数目从大约至少一个到大约至少30个，更优选的是大约15个到大约25个，最优选的是大约20个。组件17可由多种材料制成，包括但不仅限于derin、特氟龙(Telflon)、铝、不锈钢和螯合的聚醚乙基酮(PEEK)。优选的是组件17由铝组成。
图3表示支撑物13通过螺钉24可移动地安置在眼用镜片生产线上的固定结构上。眼用镜片包装件14沿着箭头15的方向移动。包装件14包括眼用镜片和少量去离子水(未示出)。包装件14具有环绕凹穴26的突起密封部分25。在描述性实施方案中，包装件14在承载器16中沿生产线移动。真空管27与第一孔21(图2示出)连接并且使用真空泵施加真空。组件17可枢轴转动地在第三表面18(图2示出)和第四表面19上安置在支撑物13上。组件17以一定高度与支撑物13连接，从而允许第二表面的环绕第二孔23的区域接触包装件将要被热密封的区域或在包装件将要被热密封的区域上方不超过大约2mm处。更优选的是这个高度设置为允许第二表面的该区域接触包装件将要被热密封的区域或在包装件将要被热密封的区域上方不超过大约0.5mm处。如图3所示，当包装件在生产线上移动时，环绕第二孔23(图2示出)的第二表面22的区域(图2示出)与密封部分25相接触。当真空泵开动，在第二表面22的孔区域与密封部分25接触时，在上游工序中残留在密封部分25中的去离子水充分地被移除。
图4是组件17由螺钉28枢轴连接在支撑13物上的透视图。三个第一孔21从第一表面20延伸通过组件17，由虚线(---)21a虚画表示出。孔21a延伸通过一个由虚线(---)虚画表示的中心导槽29，其垂直于孔21a，并且连接所有的第一孔21。中心导槽29延伸通过孔23，终止在第二表面22上。优选的是每个孔21a的直径约为4.5mm到约5.5mm，更优选的是大约5.1mm。优选的中心导槽29的直径约为5mm到约7mm，更优选的是大约6.7mm。
为了例举本发明，下面的例子被包含进去。这些例子并不限制本发明。它们仅是建议了实践本发明的方法。本领域技术人员在生产镜片和其他特定物品中的丰富知识中可以找到其他实践本发明的方法。然而，这些方法均都认为是包含在本发明范围之内。
实施例1
Galifilcon A隐形眼镜基本上按照美国专利6822016的实施例49中描述的那样被制造出来。该镜片是水合性的，放置在泡罩包装件中，如美国专利D458023中所例举。500微升的50ppm甲基纤维素含水盐溶液加入到每个包装件中，并将去离子水滴加入到包装件的密封部位。铝层压箔片由在聚酯印刷材料层和定向聚丙烯(用于密封Acuvue
Figure 2006800121584_0
AdvanceTM隐形眼镜的材料)层中夹有铝而构成。包装件被热密封并且检查层压箔片中导槽的数量。在生产的411个包装件中，354个具有导槽(86.13％)。
实验反复进行，只是填充好的包装件通过歧管，歧管的一端具有孔洞，另一端连接在以4cfm运行的真空设备上。包装件通过相同方式通往热密封工段，密封并且同上述方式一样检查导槽数量。1084个包装件被检验，0个包装件包含有导槽(0.00％)。

Claims (13)

1.一种从眼用镜片包装件的密封部分中移除包装液体的设备，包括，
施加真空的装置，
装配在眼用镜片生产线上的支撑物，
连接在所述支撑物上的组件，
其中所述组件包括第一表面和第二表面，
其中所述第一表面包括至少一个第一孔，其穿过所述组件延伸至位于所述第二表面上的至少一个第二孔，
其中所述至少一个第一孔可去除地与所述施加真空的装置连接，
其中所述生产线包括至少一个包含密封部分的眼用镜片包装件和用于移动所述眼用镜片包装件通过所述生产线的装置，
其中当所述眼用镜片包装件通过所述生产线时，所述眼用镜片包装件的所述密封部分在所述第二表面的一个区域下方不超过大约2mm处。
2.根据权利要求1所述的设备，其中所述第二表面的所述区域环绕所述至少一个第二孔。
3.根据权利要求1所述的设备，其中所述密封部分包括提升的密封环。
4.根据权利要求1所述的设备，其中当所述眼用镜片包装件通过所述生产线时，所述眼用镜片包装件的所述密封部分与所述第二表面的所述区域接触。
5.根据权利要求4所述的设备，其中所述眼用镜片包装件的所述密封部分包括提升的密封环。
6.根据权利要求1所述的设备，其中所述组件进一步包括第三表面和第四表面，其中所述组件在所述第三表面和所述第四表面上枢轴连接于所述支撑物。
7.根据权利要求1所述的设备，包括至少三个第一孔。
8.根据权利要求1所述的设备，包括至少二十个第二孔。
9.根据权利要求4所述的设备，包括至少三个第一孔。
10.根据权利要求4所述的设备，包括至少二十个第二孔。
11.根据权利要求8所述的设备，其中每个所述第一孔的直径为大约5mm。
12.根据权利要求9所述的设备，其中每个所述第二孔的直径为大约1mm。
13.根据权利要求1所述的设备，其中所述组件由铝制备。
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AU2006236663B2 (en) 2012-01-19
CA2604571C (en) 2013-06-11
JP2008538014A (ja) 2008-10-02
WO2006113417A2 (en) 2006-10-26
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AR055909A1 (es) 2007-09-12
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KR101290545B1 (ko) 2013-07-31
CN101180217A (zh) 2008-05-14
TW200716015A (en) 2007-05-01
KR20080006598A (ko) 2008-01-16
US20070033906A1 (en) 2007-02-15
WO2006113417A3 (en) 2006-12-07
TWI398226B (zh) 2013-06-11
CA2604571A1 (en) 2006-10-26
WO2006113417A9 (en) 2007-02-15
JP5053258B2 (ja) 2012-10-17
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AU2006236663A1 (en) 2006-10-26
EP1877313A2 (en) 2008-01-16

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