CN107677553A - 一种pet包装瓶负压变形检测方法 - Google Patents

一种pet包装瓶负压变形检测方法 Download PDF

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CN107677553A
CN107677553A CN201710790583.6A CN201710790583A CN107677553A CN 107677553 A CN107677553 A CN 107677553A CN 201710790583 A CN201710790583 A CN 201710790583A CN 107677553 A CN107677553 A CN 107677553A
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negative pressure
bottle
water
detection method
graduated cylinder
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王佐才
韩志国
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Cofco Yuet Yue (tianjin) Ltd
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Cofco Yuet Yue (tianjin) Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12Pressure testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0019Compressive
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means
    • G01N2203/0044Pneumatic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/022Environment of the test
    • G01N2203/023Pressure
    • G01N2203/0234Low pressure; Vacuum
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/026Specifications of the specimen
    • G01N2203/0262Shape of the specimen
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/06Indicating or recording means; Sensing means
    • G01N2203/067Parameter measured for estimating the property
    • G01N2203/0682Spatial dimension, e.g. length, area, angle

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
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Abstract

一种PET包装瓶负压变形检测方法,其特征在于由以下步骤组成:(1)将水注满待测包装瓶至瓶口,将带有单向阀的导管一端插入待测包装瓶内至瓶底部,带有手动阀导管的另一端放置于量筒内至量筒底部;(2)打开单向阀和手动阀,使用注射器抽水并导入量筒中直至瓶身变形,停止抽水;(3)记录量筒中水的毫升数;(4)量筒中水的毫升数为食用油负压变形值。本发明的优越性在于:1、本发明提供了一种直接判断PET包装瓶的抗负压性及变形部位的检测方法;2、此方法简单、易操作且检测成本低廉。

Description

一种PET包装瓶负压变形检测方法
(一)技术领域
本发明涉及一种包装瓶检测方法,尤其涉及一种PET包装瓶负压变形检测方法。
(二)技术背景
PET即聚对苯二甲酸乙二醇酯,目前市场上用于饮料或食用油脂灌装的包装瓶,主要应用食品级PET材料。
PET包装瓶灌装后,因瓶内压力影响,易产生瓶体变形、起瘪等现象,影响终端市场产品外观质量。目前,对于PET包装瓶主要采用将空包装瓶抽真空的形式,检测空瓶真空度,以此来判断包装瓶抗内压变形的能力,其缺点是空瓶检测不能真实的反映瓶中内压对瓶身变形影响程度。因此,亟待开发一种科学、简便的PET包装瓶负压变形检测方法。
(三)发明内容
本发明涉及一种PET包装瓶负压变形检测方法,通过检测直接判断PET包装瓶的抗负压性及变形部位,避免了空瓶检测不能真实的反映瓶中内压对瓶身变形影响程度的问题,得到了一种简单、易操作且检测成本低廉的方法。
本发明的技术方案:一种PET包装瓶负压变形检测方法,其特征在于由以下步骤组成:
(1)将20℃水注满待测包装瓶至瓶口,用橡皮塞塞紧瓶口,将带有单向阀的导管一端通过橡皮塞插入待测包装瓶内至瓶底部,导管另一端连接到三向导管的一端,三向导管的另外两端分别连接注射器和带有手动阀的导管,带有手动阀导管的另一端放置于量筒内至量筒底部,此时单向阀和手动阀处于关闭状态;
(2)打开单向阀和手动阀,使用注射器抽水并导入量筒中直至瓶身变形,停止抽水;
(3)记录量筒中水的毫升数;
(4)量筒中水的毫升数为食用油负压变形值。
上述所说的一种PET包装瓶负压变形检测方法,其特征在于步骤(1)中20℃水注满待测包装瓶至瓶口,用橡皮塞塞紧瓶口后,将包装瓶倒置,包装瓶为密闭且水为满瓶。
上述所说的一种PET包装瓶负压变形检测方法,其特征在于步骤(1)中单向阀、注射器、手动阀关闭时为密闭状态。
上述所说的一种PET包装瓶负压变形检测方法,其特征在于同批次抽取的若干个待测包装瓶,采用同样方法得到水的毫升数的算数平均值作为包装瓶负压变形标准值。
本发明的优越性在于:1、本发明提供了一种直接判断PET包装瓶的抗负压性及变形部位的检测方法;2、此方法简单、易操作且检测成本低廉。
(四)说明书附图
附图1为PET包装瓶负压变形检测方法装置图;附图2为PET包装瓶负压变形检测方法工作流程图。
其中:1为包装瓶;2为橡皮塞;3为单向阀;4为注射器;5为手动阀;6为量筒。
(五)具体实施方式:
实施例:
一种PET包装瓶负压变形检测方法(见附图1、附图2),其特征在于由以下步骤组成:
(1)将20℃水注满待测包装瓶1至瓶口,用橡皮塞2塞紧瓶口,将带有单向阀3的导管一端通过橡皮塞插入待测包装瓶内至瓶底部,导管另一端连接到三向导管的一端,三向导管的另外两端分别连接注射器4和带有手动阀5的导管,带有手动阀导管的另一端放置于量筒6内至量筒底部,此时单向阀3和手动阀5处于关闭状态;
(2)打开单向阀3和手动阀5,使用注射器4抽水并导入量筒6中直至瓶身变形,停止抽水;
(3)记录量筒6中水的毫升数;
(4)量筒6中水的毫升数为食用油负压变形值。
上述所说的一种PET包装瓶负压变形检测方法,其特征在于步骤(1)中20℃水注满待测包装瓶1至瓶口,用橡皮塞2塞紧瓶口后,将包装瓶1倒置,包装瓶为密闭且水为满瓶。
上述所说的一种PET包装瓶负压变形检测方法,其特征在于步骤(1)中单向阀3、注射器4、手动阀5关闭时为密闭状态。
上述所说的一种PET包装瓶负压变形检测方法,其特征在于同批次抽取的若干个待测包装瓶,采用同样方法得到水的毫升数的算数平均值作为包装瓶负压变形标准值。

Claims (4)

1.一种PET包装瓶负压变形检测方法,其特征在于由以下步骤组成:
(1)将20℃水注满待测包装瓶至瓶口,用橡皮塞塞紧瓶口,将带有单向阀的导管一端通过橡皮塞插入待测包装瓶内至瓶底部,导管另一端连接到三向导管的一端,三向导管的另外两端分别连接注射器和带有手动阀的导管,带有手动阀导管的另一端放置于量筒内至量筒底部,此时单向阀和手动阀处于关闭状态;
(2)打开单向阀和手动阀,使用注射器抽水并导入量筒中直至瓶身变形,停止抽水;
(3)记录量筒中水的毫升数;
(4)量筒中水的毫升数为食用油负压变形值。
2.根据权利要求1所述的一种PET包装瓶负压变形检测方法,其特征在于步骤(1)中20℃水注满待测包装瓶至瓶口,用橡皮塞塞紧瓶口后,将包装瓶倒置,包装瓶为密闭且水为满瓶。
3.根据权利要求1所述的一种PET包装瓶负压变形检测方法,其特征在于步骤(1)中单向阀、注射器、手动阀关闭时为密闭状态。
4.根据权利要求1所述的一种PET包装瓶负压变形检测方法,其特征在于同批次抽取的若干个待测包装瓶,采用同样方法得到水的毫升数的算数平均值作为包装瓶负压变形标准值。
CN201710790583.6A 2017-09-05 2017-09-05 一种pet包装瓶负压变形检测方法 Pending CN107677553A (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102012367A (zh) * 2009-09-08 2011-04-13 克朗斯股份公司 用于确定塑料瓶的壁部分的质量和/或质量比例的方法和装置
CN102103053A (zh) * 2010-12-13 2011-06-22 天津天测包装设计有限公司 一种热灌装pet瓶耐真空度测试系统
CN201945514U (zh) * 2010-12-14 2011-08-24 中国包装科研测试中心 塑料瓶耐压测试仪
CN201945508U (zh) * 2010-12-13 2011-08-24 中国包装科研测试中心 热灌装pet瓶耐真空度测试装置
CN202631196U (zh) * 2012-04-10 2012-12-26 广东宏盈科技有限公司 一种真空密封检测装置
CN207036358U (zh) * 2017-06-08 2018-02-23 四川新升塑胶实业有限公司 一种塑料瓶检测装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102012367A (zh) * 2009-09-08 2011-04-13 克朗斯股份公司 用于确定塑料瓶的壁部分的质量和/或质量比例的方法和装置
CN102103053A (zh) * 2010-12-13 2011-06-22 天津天测包装设计有限公司 一种热灌装pet瓶耐真空度测试系统
CN201945508U (zh) * 2010-12-13 2011-08-24 中国包装科研测试中心 热灌装pet瓶耐真空度测试装置
CN201945514U (zh) * 2010-12-14 2011-08-24 中国包装科研测试中心 塑料瓶耐压测试仪
CN202631196U (zh) * 2012-04-10 2012-12-26 广东宏盈科技有限公司 一种真空密封检测装置
CN207036358U (zh) * 2017-06-08 2018-02-23 四川新升塑胶实业有限公司 一种塑料瓶检测装置

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Application publication date: 20180209