JP4262989B2 - バリア層の透過率測定方法及びその装置 - Google Patents
バリア層の透過率測定方法及びその装置 Download PDFInfo
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- JP4262989B2 JP4262989B2 JP2002591797A JP2002591797A JP4262989B2 JP 4262989 B2 JP4262989 B2 JP 4262989B2 JP 2002591797 A JP2002591797 A JP 2002591797A JP 2002591797 A JP2002591797 A JP 2002591797A JP 4262989 B2 JP4262989 B2 JP 4262989B2
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
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- 238000005187 foaming Methods 0.000 description 2
- 235000021056 liquid food Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
- G01M3/229—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators removably mounted in a test cell
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3281—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0078—Testing material properties on manufactured objects
- G01N33/0081—Containers; Packages; Bottles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
- Examining Or Testing Airtightness (AREA)
Description
種の予備測定又は指標測定を行なうこともまた意外にも可能である。例えば、ペットボトルを毎時10,000本生産できるような大容量機械による連続生産において、その被覆ステップでバリア層を瓶の内面又は外面にも塗布する場合、当然のことながら製品に予期せぬ欠陥が生じることがあるが、その場合、製作されたペットボトル(容器)の中には、被覆装置の不具合によりバリア層が形成されていないものがある。これは、当然前述の測定手順を用いて検出されるわけだが、全ての欠陥をより早く検出できれば、被覆ステップをより早く実行することができる。これはペットボトルなどの製品を生産直後の測定チャンネルで検査すると、効果的に実行される。
その後、次の容器1について測定作業を繰り返す。
(1)第1の相異は、第1測定管3がさらに接続点33において接続導管22に接続されており、これが保護バルブ34を通じて質量分析計からなる圧力測定装置8へ通じていることである。下流に接続される直列ポンプ36を有するターボ分子ポンプ35が、保護バルブ34と圧力測定装置8との間の接続導管22の管内部の圧力を減圧する。
(2)密封可能な容器5に設けられている接続位置13からの接続導管22、及び保護バルブ34と測定バルブ23との間の追加点33を考慮すると、測定バルブ23とニードルバルブ24はここでも確かに直列である。しかし、このニードルバルブ24は接続位置13と接続点25との間の容器排気導管12の途中にある。この位置でもまたニードルバルブ24は、上述した図1の装置と同一の機能を実行し同一の目的を持つ。
開始から約3分以内に実施される。
2 止め蓋
3 第1測定管
4 測定管の下部開口端
5 圧密に密閉可能な容器
6 容器の内部空間
7 圧力測定装置の接続
8 図式的に表示する測定管及び表示装置を含む圧力測定装置
9 出口バルブ
10 真空ポンプ
11 環状導管
12 容器排気導管
13 接続位置
14 密閉可能な容器の内部空間
15 追加接続位置
16 通気導管
17 測定導管
18 吸気導管
19 補助バルブ
20 通気バルブ
21 図式的に表示するピラニ測定管及び表示装置を含む圧力測定装置
22 接続導管
23 測定バルブ
24 微小調整可能バルブ
25 接続点
26 第1測定点
27 第2測定点
28 第3測定点
29 第4測定点
30 第5測定点
31 上部曲線(被覆無し)
32 下部曲線(良好な被覆)
33 追加接続位置
34 保護バルブ
35 ターボ分子ポンプ
36 直列ポンプ
37 質量分析計装置
Claims (14)
- 表面にバリア層を有する容器(1)を気密状態に密閉可能な容器(5)内に配置し、容器(1)の壁面がガスを吸収及び/又は放出する調整時間後に容器(1)の圧力を測定し、その測定した圧力の経時変化から前記バリア層の透過率を求めるバリア層の透過率測定方法であって、
容器(1)の内部から密閉可能な容器(5)の外部へ通じる第1測定管(3)を、圧力測定装置(8)と、容器(5)との接続部(13)からバルブ(9)を経由して真空ポンプ(10)につながる容器排気導管(12)とに接続すると共に、それら第1測定管(3)と容器排気導管(12)との間に測定バルブ(23)と微調整バルブ(24)とを順に配置した装置を用い、
バルブ(9)、測定バルブ(23)及び微調整バルブ(24)を開いて容器(5)とその中に配置された容器(1)とを真空ポンプ(10)により排気し、測定バルブ(23)を閉じた後に容器(1)の壁面から放出された複数の物質の分圧を前記調整時間後に圧力測定装置(8)で測定し、その測定した分圧の経時変化である圧力−時間曲線の傾きを決定し、その決定された傾きを基準となる圧力−時間曲線と比較することで前記バリア層の透過率を求めるバリア層の透過率測定方法。 - 前記複数の物質の分圧の全てを測定する請求項1に記載のバリア層の透過率測定方法。
- 前記複数の物質の分圧の少なくとも1つを測定する請求項1に記載のバリア層の透過率測定方法。
- 前記複数の物質の分圧の少なくとも1つが、前記容器(1)の充填物の味覚に影響を与える物質の分圧である請求項3に記載のバリア層の透過率測定方法。
- 前記複数の物質の分圧の経時変化の傾きを、基準となる容器のバリア層を用いて較正する請求項1〜4のいずれかに記載のバリア層の透過率測定方法。
- 前記調整時間のあいだに前記容器(1)の壁面に吸収される分子の量が常に均一になるようにした請求項1〜5のいずれかに記載のバリア層の透過率測定方法。
- 前記気密状態に密閉可能な容器(5)と該容器(5)内に配置された容器(1)とを排気する時間が1分間である請求項1〜6のいずれかに記載のバリア層の透過率測定方法。
- 前記複数の物質の分圧の測定にかかる時間が8分未満となるようにした請求項1〜7のいずれかに記載のバリア層の透過率測定方法。
- 前記複数の物質の全ての分圧と、前記容器(1)の内部又は外部に存在する気体の圧力とを合計した圧力を測定する請求項1に記載のバリア層の透過率測定方法。
- 前記複数の物質の全ての分圧を所定の時間のあいだ測定した後に目標圧力値(Δp)と比較する請求項9に記載のバリア層の透過率測定方法。
- 前記複数の物質の全ての分圧が、あらかじめ定められた目標分圧に達するまでの時間を測定する請求項9に記載のバリア層の透過率測定方法。
- 請求項1〜8のいずれかに記載のバリア層の透過率測定方法を実施するバリア層の透過率測定装置であって、気密状態に密閉可能な容器(5)内に配置された表面にバリア層を有する容器(1)の内部空間(6)から前記容器(1)の止め蓋(2)を通って前記容器(5)の外部で圧力測定装置(8)に接続し、かつ真空ポンプ(10)に接続された前記容器(5)の容器排気導管(12)に少なくとも1つのバルブ(23)を介して接続する第1測定管(3)を備えると共に、前記圧力測定装置(8)を保護バルブ(34)を介して前記第1測定管(3)に接続された質量分析計から構成したバリア層の透過率測定装置。
- 前記第1測定管(3)が、ステンレス鋼製の短尺管である請求項12に記載のバリア層の透過率測定装置。
- 前記容器排気導管(12)が前記容器(5)に接続する位置(13)と前記第1測定管(3)との間に、バルブ(23)と流量調整バルブ(24)とを連続して接続した請求項12又は13に記載のバリア層の透過率測定装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10124225A DE10124225B4 (de) | 2001-05-18 | 2001-05-18 | Verfahren und Vorrichtung zum Bestimmen der Permeation einer Barriereschicht |
PCT/EP2002/004016 WO2002095369A1 (de) | 2001-05-18 | 2002-04-11 | Verfahren und vorrichtung zum bestimmen der permeation einer barriereschicht |
Publications (2)
Publication Number | Publication Date |
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JP2004528571A JP2004528571A (ja) | 2004-09-16 |
JP4262989B2 true JP4262989B2 (ja) | 2009-05-13 |
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Application Number | Title | Priority Date | Filing Date |
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JP2002591797A Expired - Fee Related JP4262989B2 (ja) | 2001-05-18 | 2002-04-11 | バリア層の透過率測定方法及びその装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7121135B2 (ja) |
EP (1) | EP1393044B1 (ja) |
JP (1) | JP4262989B2 (ja) |
AT (1) | ATE474217T1 (ja) |
DE (2) | DE10124225B4 (ja) |
WO (1) | WO2002095369A1 (ja) |
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DE19963122A1 (de) * | 1999-12-24 | 2001-06-28 | Tetra Laval Holdings & Finance | Anordnung zum Einkoppeln von Mikrowellenenergie in eine Behandlungskammer |
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DE10350519A1 (de) * | 2003-10-29 | 2005-06-09 | Sig Technology Ltd. | Verfahren und Vorrichtung zur Bestimmung der Gasdurchlässigkeit von Behälterwandungen sowie Beschichtungseinrichtung mit Meßvorrichtung |
DE10354625A1 (de) | 2003-11-22 | 2005-06-30 | Sig Technology Ltd. | Verfahren zur Bestimmung der Gasdurchlässigkeit von Behälterwandungen, Behälter mit Oberflächenbeschichtung sowie Beschichtungseinrichtung mit Messvorrichtung |
DE102004039210C5 (de) * | 2004-08-12 | 2012-11-15 | Rudolf Wild Gmbh & Co. Kg | Verfahren zur Bewertung der Produkthaltbarkeit in einem Packmittel |
DE102004047427B4 (de) * | 2004-09-28 | 2008-07-03 | Sensor- Data Instruments E.K. | Vorrichtung und Verfahren zur Schnellbestimmung der Sauerstoffpermeation |
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US11326254B2 (en) * | 2014-03-03 | 2022-05-10 | Picosun Oy | Protecting an interior of a gas container with an ALD coating |
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EP3021103A1 (en) * | 2014-11-13 | 2016-05-18 | Mir Arastirma ve Gelistirme A.S. | System and method for gas diffusion coefficient measurement of three-dimensional hollow bodies having one opening |
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DE102015005833A1 (de) * | 2015-05-07 | 2016-11-10 | Sartorius Stedim Biotech Gmbh | Verfahren und Vorrichtung für einen Integritätstest eines Testbehälters |
CN105067070A (zh) * | 2015-07-16 | 2015-11-18 | 兰州空间技术物理研究所 | 一种低压力环境中测量真空容器容积比的方法 |
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US6598463B2 (en) * | 2001-05-02 | 2003-07-29 | Du Pont | Method for determining gas accumulation rates |
US6766682B2 (en) * | 2001-10-19 | 2004-07-27 | Desert Cryogenics Llc | Precise measurement system for barrier materials |
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WO2002095369A1 (de) | 2002-11-28 |
DE10124225A1 (de) | 2003-01-16 |
JP2004528571A (ja) | 2004-09-16 |
DE50214536D1 (de) | 2010-08-26 |
EP1393044B1 (de) | 2010-07-14 |
ATE474217T1 (de) | 2010-07-15 |
US20040177676A1 (en) | 2004-09-16 |
US7121135B2 (en) | 2006-10-17 |
DE10124225B4 (de) | 2006-03-02 |
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