JP6912697B2 - 積層剥離容器 - Google Patents
積層剥離容器 Download PDFInfo
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- JP6912697B2 JP6912697B2 JP2016203013A JP2016203013A JP6912697B2 JP 6912697 B2 JP6912697 B2 JP 6912697B2 JP 2016203013 A JP2016203013 A JP 2016203013A JP 2016203013 A JP2016203013 A JP 2016203013A JP 6912697 B2 JP6912697 B2 JP 6912697B2
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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
- B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
- B65D1/0215—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features multilayered
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
-
- 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
- B65D23/00—Details of bottles or jars not otherwise provided for
- B65D23/02—Linings or internal coatings
-
- 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
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
-
- 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
- B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
-
- 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
- B65D83/771—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a flexible bag or a deformable membrane or diaphragm
-
- 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
- B65D83/771—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a flexible bag or a deformable membrane or diaphragm
- B65D83/7711—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a flexible bag or a deformable membrane or diaphragm the contents of a flexible bag being expelled by the contracting forces inherent in the bag or a sleeve fitting snugly around the bag
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7244—Oxygen barrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/40—Closed containers
- B32B2439/60—Bottles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Laminated Bodies (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
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Description
好ましくは、前記エチレン含有量は、26mol%以上である。
好ましくは、前記内側EVOH層のEVOH樹脂は、不純物の含有量が5質量%以下である。
好ましくは、前記内側EVOH層のEVOH樹脂は、曲げ弾性率(MPa)が0.8×(6600−86×前記エチレン含有量(mol%))以上である。
好ましくは、前記内側EVOH層は、厚さが21μm以上である。
好ましくは、前記内層は、最外層として、EVOH樹脂からなる外側EVOH層を備える。
好ましくは、前記外側EVOH層のEVOH樹脂のエチレン含有量は、前記内側EVOH層のEVOH樹脂のエチレン含有量と同一又はこれよりも大きい。
(式1)曲げ弾性率(MPa)≒6600−86×エチレン含有量(mol%)
(式2)曲げ弾性率(MPa)≧α×(6600−86×エチレン含有量(mol%))
・上記実施形態では、外気導入孔15の縁と弁部材5の間の隙間を弁部材5の移動によって開閉することによって、弁部材5が外気導入孔15を開閉するように構成されているが、弁部材自体に貫通孔と開閉可能な弁を設けて、この弁の働きによって貫通孔を開閉することによって、外気導入孔15を開閉するように構成してもよい。また、弁部材5を省略して、内容物を吐出する際に外気導入孔15を指などで閉塞させてもよい。
・外気導入孔15を口部9に設け、外気導入孔15に連通する逆止弁を有するキャップを用いてもよい。
以下に示す実施例・比較例の積層剥離容器を製造した。
容器外側から順に、ランダム共重合体層(131μm)/リプロ層(351μm)/ランダム共重合体層(43μm)/外側EVOH層(厚さ38μm)/接着層(厚さ43μm)/内側EVOH層(厚さ30μm)の構成の積層剥離容器をブロー成形によって製造した。外側EVOH層は、柔軟グレードのEVOH樹脂(型式:ソアノールSF7503B、日本合成化学社製、エチレン含有量E2:29mol%)で形成し、内側EVOH層は、一般グレードのEVOH樹脂(型式:ソアノールD2908、日本合成化学社製、エチレン含有量E1:29mol%、曲げ弾性率:4200MPa)で形成した。接着層は、変性ポリオレフィン樹脂(商品名:モディック L522、三菱化学株式会社製)で形成した。
実施例2では、内側EVOH層を一般グレードのEVOH樹脂(型式:エバールL171B、株式会社クラレ製、エチレン含有量E1:27mol%、曲げ弾性率:4800MPa)で形成した以外は実施例1と同様に積層剥離容器を製造した。
実施例2では、内側EVOH層を一般グレードのEVOH樹脂(型式:ソアノールDC3203RB、日本合成化学社製、エチレン含有量E1:32mol%、曲げ弾性率:4100MPa)で形成した以外は実施例1と同様に積層剥離容器を製造した。
比較例1では、内側EVOH層を一般グレードのEVOH樹脂(型式:ソアノールAT4403B、日本合成化学社製、エチレン含有量E1:44mol%、曲げ弾性率:2900MPa)で形成した以外は実施例1と同じにした。
以下の示す方法で、香り成分の保持性及び内袋の収縮性についての評価を行った。
実施例・比較例の積層剥離容器及びガラス瓶にポン酢を充填したものを1週間静置させた後、容器内のポン酢を吐出させ、吐出されたポン酢の香り成分(酢酸エチル、ピネン、ミルセン、1,3−シクロヘキサジエン、リモネン、フェランドレン、オシメン、テルピネン、シメン、シクロヘキセン、ドデカン、ノナナール、酢酸、フルフラール、デカナール、リナロール、ゲラニオール、フェニルエチルアルコール、クベノール、エピグロブロール、グロブロール、チモール、α−カジノール)の残存量をガスクロマトグラフ質量分析計で測定し、その合計を算出して合計残存量とし、式3に従って残存指数を算出し、以下の基準で評価した。
合計残量量1:実施例・比較例の積層剥離容器から吐出されたポン酢についての合計残存量
合計残量量2:ガラス瓶から吐出されたポン酢についての合計残存量
○:残存指数が0.8以上0.9未満
×:残存指数が0.8未満
実施例・比較例の積層剥離容器内のポン酢を吐出させる際の、容器の内袋の形状について目視評価を行い、以下の基準で評価した。
×:内袋が折れ曲がって適切に収縮しなかった
香り成分の保持性及び内袋の収縮性の評価結果を表1に示す。表1に示すように、全ての実施例・比較例で内袋の収縮性が良好であった。また、全ての実施例で香り成分の保持性が良好であったが、比較例では、香り成分の低減が比較的大きかった。これによって、エチレン含有量E1が34mol%以下である場合に香り成分の低減が大幅に抑制されることが実証された。また、実施例1〜2と実施例3の比較により、エチレン含有量E1が31mol%以下である場合に香り成分の低減がさらに抑制されることが実証された。
3 :容器本体
5 :弁部材
5a :軸部
5b :係止部
5c :蓋部
5d :突起
7 :収容部
7a :凹部
7b :空気流通溝
9 :口部
9d :係合部
11 :外層
12 :外殻
13 :内層
13a:内側EVOH層
13b:外側EVOH層
13c:接着層
14 :内袋
15 :外気導入孔
21 :中間空間
S :外部空間
Claims (6)
- 外層と内層とを備え、前記内層によって構成される内袋が内容物の減少に伴って収縮する積層剥離容器であって、
前記内層は、最内層として、EVOH樹脂からなる内側EVOH層を備え、
前記内側EVOH層のEVOH樹脂は、エチレン含有量が34mol%以下であり、
前記内側EVOH層の厚さは、21μm以上50μm以下である、
積層剥離容器。 - 前記エチレン含有量は、26mol%以上である、請求項1に記載の積層剥離容器。
- 前記内側EVOH層のEVOH樹脂は、不純物の含有量が5質量%以下である、請求項1又は請求項2に記載の積層剥離容器。
- 前記内側EVOH層のEVOH樹脂は、曲げ弾性率(MPa)が0.8×(6600−86×前記エチレン含有量(mol%))以上である、請求項1〜請求項3の何れか1つに記載の積層剥離容器。
- 前記内層は、最外層として、EVOH樹脂からなる外側EVOH層を備える、請求項1〜請求項4の何れか1つに記載の積層剥離容器。
- 前記外側EVOH層のEVOH樹脂のエチレン含有量は、前記内側EVOH層のEVOH樹脂のエチレン含有量と同一又はこれよりも大きい、請求項5に記載の積層剥離容器。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016203013A JP6912697B2 (ja) | 2016-10-14 | 2016-10-14 | 積層剥離容器 |
KR1020197008426A KR102453069B1 (ko) | 2016-10-14 | 2017-10-13 | 적층박리용기 |
CN201780059174.7A CN109789943B (zh) | 2016-10-14 | 2017-10-13 | 层叠剥离容器 |
EP17861054.9A EP3527502B1 (en) | 2016-10-14 | 2017-10-13 | Lamination separation container |
PCT/JP2017/037261 WO2018070530A1 (ja) | 2016-10-14 | 2017-10-13 | 積層剥離容器 |
US16/333,312 US11174060B2 (en) | 2016-10-14 | 2017-10-13 | Lamination separation container |
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JP2016203013A JP6912697B2 (ja) | 2016-10-14 | 2016-10-14 | 積層剥離容器 |
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JP2018062379A JP2018062379A (ja) | 2018-04-19 |
JP6912697B2 true JP6912697B2 (ja) | 2021-08-04 |
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JP2016203013A Active JP6912697B2 (ja) | 2016-10-14 | 2016-10-14 | 積層剥離容器 |
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US (1) | US11174060B2 (ja) |
EP (1) | EP3527502B1 (ja) |
JP (1) | JP6912697B2 (ja) |
KR (1) | KR102453069B1 (ja) |
CN (1) | CN109789943B (ja) |
WO (1) | WO2018070530A1 (ja) |
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EP3597562B1 (en) * | 2017-03-15 | 2021-10-13 | Kyoraku Co., Ltd. | Delamination container |
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KR102402208B1 (ko) * | 2013-11-27 | 2022-05-25 | 교라꾸 가부시끼가이샤 | 적층박리용기 |
JP6531371B2 (ja) | 2013-11-27 | 2019-06-19 | キョーラク株式会社 | 積層剥離容器 |
EP3075672B1 (en) | 2013-11-27 | 2018-04-04 | Kyoraku Co., Ltd. | Delamination container |
WO2015080015A1 (ja) | 2013-11-27 | 2015-06-04 | キョーラク株式会社 | 積層剥離容器、そのピンホールチェック方法、及びその加工方法 |
JP6780911B2 (ja) | 2013-11-27 | 2020-11-04 | キョーラク株式会社 | 積層剥離容器 |
EP3075670B1 (en) * | 2013-11-27 | 2019-04-24 | Kyoraku Co., Ltd. | Delamination container |
JP6481384B2 (ja) * | 2014-01-28 | 2019-03-13 | キョーラク株式会社 | 積層剥離容器 |
JP6836049B2 (ja) * | 2015-03-23 | 2021-02-24 | キョーラク株式会社 | 積層剥離容器 |
CN107207115B (zh) | 2015-01-23 | 2019-06-11 | 京洛株式会社 | 层叠剥离容器 |
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US20190241303A1 (en) | 2019-08-08 |
WO2018070530A1 (ja) | 2018-04-19 |
US11174060B2 (en) | 2021-11-16 |
KR102453069B1 (ko) | 2022-10-07 |
KR20190070917A (ko) | 2019-06-21 |
JP2018062379A (ja) | 2018-04-19 |
CN109789943B (zh) | 2021-07-23 |
EP3527502A4 (en) | 2019-11-06 |
CN109789943A (zh) | 2019-05-21 |
EP3527502A1 (en) | 2019-08-21 |
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