JP4961696B2 - 2ピース缶の製造方法および2ピースラミネート缶 - Google Patents
2ピース缶の製造方法および2ピースラミネート缶 Download PDFInfo
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- JP4961696B2 JP4961696B2 JP2005234562A JP2005234562A JP4961696B2 JP 4961696 B2 JP4961696 B2 JP 4961696B2 JP 2005234562 A JP2005234562 A JP 2005234562A JP 2005234562 A JP2005234562 A JP 2005234562A JP 4961696 B2 JP4961696 B2 JP 4961696B2
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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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
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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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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—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, by deep-drawing operations performed on sheet material
- B65D1/12—Cans, casks, barrels, or drums
- B65D1/14—Cans, casks, barrels, or drums characterised by shape
- B65D1/16—Cans, casks, barrels, or drums characterised by shape of curved cross-section, e.g. cylindrical
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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
- B65D15/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials
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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
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
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- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
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Landscapes
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- Mechanical Engineering (AREA)
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Description
下地金属板として厚さ0.20mmのT4CA、TFS(金属Cr層:120mg/m2、Cr酸化物層:金属Cr換算で10mg/m2)を用い、この原板に対して、フィルムラミネート法(フィルム熱圧着法)、あるいはダイレクトラミネート法(直接押し出し法)を用いて種々の樹脂層を形成させた。尚、フィルムラミネートについては、2軸延伸フィルムを用いたものと無延伸フィルムを用いたものの2通りを実施した。金属板の両面に各々厚さ20μmのフィルムをラミネートした。
アッベ屈折計を用い、光源はナトリウム/D線、中間液はヨウ化メチレン、温度は25℃の条件で屈折率を測定して、フィルム面の縦方向の屈折率Nx、フィルム面の横方向の屈折率Ny、フィルムの厚み方向の屈折率Nzを求め、下式から面配向係数Zsを算出した。
面配向係数(Ns)=(Nx+Ny)/2−Nz
ラミネート鋼板の製造方法と作製したラミネート鋼板の内容を表1に示す。
フィルム熱圧着法1:2軸延伸法で作成したフィルムを、鋼板を樹脂の融点+10℃まで加熱した状態で、ニップロールにて熱圧着し、次いで7秒以内に水冷によって冷却した。
フィルム熱圧着法2:無延伸フィルムを、鋼板を樹脂の融点+10℃まで加熱した状態でニップロールにて熱圧着し、次いで7秒以内に水冷によって冷却した。
直接押し出し法:樹脂ペレットを押し出し機にて混練、溶融させ、Tダイより、走行中の鋼板上に被覆し、次いで樹脂被覆された鋼板を80℃の冷却ロールにてニップ冷却させ、更に、水冷によって冷却した。
作製した供試鋼板を用いて、図1に示した製造工程に準じて、以下の手順で缶体(最終成形体)を作製した。中間成形体(工程C)及び最終成形体(工程D)の形状を表2に示す。工程Aの絞り加工は5段階で行い、工程Dの縮径加工は7段階で行った。熱処理は工程A〜工程Dの途中段階で行い、赤外線式加熱炉を用いて缶体を加熱し、熱処理終了後水冷した。熱処理のタイミング(熱処理実施時の缶体の加工度)及び熱処理条件を表3に示す。
2)絞り加工及びしごき加工(工程A)
5段の絞り加工にて、缶体の半径r、高さhが、r/R:0.27〜0.34、h/(R−r):1.84〜3.09の範囲の缶体(中間成形体)を作製した。また、所望の缶体を作製するために、適宜しごき加工も併用した。
缶底部に、深さ6mmの半球状の張り出し加工を行った。
4)トリム加工(工程C)
缶上端部を2mmほどトリムした。
5)円筒上部の縮径加工(工程D)
円筒上部に縮径加工を施し、具体的には、内面テーパ形状のダイに開口端部を押し当てて縮径を行うダイネック方式にて実施し、表2に示した最終的な缶体形状の缶体を作製した。
缶体を周方向巾15mmになるように缶高さ方向に略長方形に剪断し、その缶高さ方向で底面から10mmの位置を、周方向に直線状に、鋼板のみを剪断した。結果、剪断位置を境に缶高さ方向底面側に10mm部分と残余の部分からなる試験片が作成された。10mmの部分に巾15mm、長さ60mmの鋼板を繋ぎ(溶接)、60mm鋼板部分を持って、残余部分のフィルムを破断位置から10mmほど剥離させる。フィルムを剥離した部分と60mm鋼板部分を掴みしろとして180°方向にピール試験を実施した。観測されたピール強度の最小値を密着性の指標とした。
「ピール強度」
4N/15mm未満:×
4N/15mm以上、6N/15mm未満:○
6N/15mm以上:◎
「フィルム加工性評価」
成缶後の樹脂層外面側を目視及び光顕観察を行い、フィルムに破断があるかないかを確認した。外観が正常なものを○、破断や亀裂が確認されたものを×とした。
缶体C1〜C15及びC21〜C36は、本発明の実施例であり、熱処理も本発明の規定の範囲で実施したものである。フィルム加工性、密着性ともに良好な値を示した。
2 基体部
3 ドーム形状部
4 ネック形状部
5 テーパ形状部
Claims (4)
- 鋼板の少なくとも片面に、ジカルボン酸成分とジオール成分の縮重合で得られ、ジカルボン酸成分はテレフタル酸を主成分とし、その他の共重合成分に、イソフタル酸成分を含み、あるいは含まず、ジオール成分として、エチレングリコール及び/または、ブチレングリコールを主成分として、その他の共重合成分に、ジエチレングリコール、シクロヘキサンジオ−ルを含み、あるいは含まない樹脂であって、共重合成分の分量がモル比で8mol%以上16mol%以下であり、面配向係数が0.06以下のポリエステル樹脂被覆層を有するラミネート鋼板の円状板を多段成形して、最終成形体の高さh、最大半径r、最小半径d(rとdが同じ場合を含む)が、最終成形体と重量が等価となる成形前の円状板の半径Rに対して、0.1≦d/R≦0.25、かつ1.5≦h/(R−r)≦4の関係を満足するように最終成形体を製造することを特徴とする2ピース缶の製造方法。
- 請求項1に記載の最終成形体を製造する際に、成形の中間段階において、成形体をその温度が150℃以上、ポリエステル樹脂の融点以下となるように加熱する熱処理を1回以上行うことを特徴とする2ピース缶の製造方法。
- 前記熱処理は、中間段階の成形体の高さh、最大半径r、最小半径d(rとdが同じ場合を含む)が、最終成形体と重量が等価となる成形前の円状板の半径Rに対して、0.2≦d/R≦0.5、かつ1.5≦h/(R−r)≦2.5の関係を満足する中間段階において行うことを特徴とする請求項2に記載の2ピース缶の製造方法。
- 請求項1〜3のいずれかに記載の方法により製造した2ピースラミネート缶。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005234562A JP4961696B2 (ja) | 2005-08-12 | 2005-08-12 | 2ピース缶の製造方法および2ピースラミネート缶 |
CA 2617892 CA2617892C (en) | 2005-08-12 | 2006-08-10 | Laminated steel sheet for two-piece can, method for manufacturing two-piece can, and two-piece laminated can |
PT67964791T PT1914065E (pt) | 2005-08-12 | 2006-08-10 | Chapa de aço laminado para uma lata de duas peças, processo de fabrico de uma lata de duas peças e lata de duas peças laminada |
EP20060796479 EP1914065B1 (en) | 2005-08-12 | 2006-08-10 | Laminate steel sheet for two-piece can, method for manufacture of two-piece can, and two-piece laminate can |
PCT/JP2006/316122 WO2007020951A1 (ja) | 2005-08-12 | 2006-08-10 | 2ピ−ス缶用ラミネート鋼板、2ピ−ス缶の製造方法および2ピ−スラミネート缶 |
US11/990,371 US20090104390A1 (en) | 2005-08-12 | 2006-08-10 | Laminated steel sheet for two-piece can, method for manufacturing two-piece can, and two-piece laminated can |
CN2006800294121A CN101242950B (zh) | 2005-08-12 | 2006-08-10 | 二片罐用层压钢板、二片罐的制造方法及二片层压罐 |
KR1020087001444A KR101002841B1 (ko) | 2005-08-12 | 2006-08-10 | 2피스 캔용 라미네이트 강판, 2피스 캔의 제조방법 및 2피스 라미네이트 캔 |
US13/367,697 US20120141232A1 (en) | 2005-08-12 | 2012-02-07 | Laminated steel sheet for two-piece can, method for manufacturing two-piece can, and two-piece laminated can |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005234562A JP4961696B2 (ja) | 2005-08-12 | 2005-08-12 | 2ピース缶の製造方法および2ピースラミネート缶 |
Publications (2)
Publication Number | Publication Date |
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JP2007045511A JP2007045511A (ja) | 2007-02-22 |
JP4961696B2 true JP4961696B2 (ja) | 2012-06-27 |
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JP2005234562A Active JP4961696B2 (ja) | 2005-08-12 | 2005-08-12 | 2ピース缶の製造方法および2ピースラミネート缶 |
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Country | Link |
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US (2) | US20090104390A1 (ja) |
EP (1) | EP1914065B1 (ja) |
JP (1) | JP4961696B2 (ja) |
KR (1) | KR101002841B1 (ja) |
CN (1) | CN101242950B (ja) |
CA (1) | CA2617892C (ja) |
PT (1) | PT1914065E (ja) |
WO (1) | WO2007020951A1 (ja) |
Families Citing this family (6)
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JP4972771B2 (ja) * | 2006-12-05 | 2012-07-11 | Jfeスチール株式会社 | エアゾール用絞り加工缶の製造方法およびエアゾール用絞り加工缶 |
JP5186772B2 (ja) * | 2007-02-06 | 2013-04-24 | Jfeスチール株式会社 | 2ピース缶体の製造方法および2ピースラミネート缶体 |
USD762481S1 (en) | 2014-04-11 | 2016-08-02 | iMOLZ, LLC | Oval shaped can |
USD742251S1 (en) | 2014-07-16 | 2015-11-03 | Ball Corporation | Two-piece contoured metallic container |
USD758207S1 (en) | 2014-08-08 | 2016-06-07 | Ball Corporation | Two-piece contoured metallic container |
USD804309S1 (en) | 2016-02-17 | 2017-12-05 | Ball Corporation | Metal bottle |
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JP2526725B2 (ja) | 1990-08-03 | 1996-08-21 | 東洋製罐株式会社 | 被覆薄肉缶の製造方法 |
JPH0631362A (ja) * | 1992-07-14 | 1994-02-08 | Nippon Steel Corp | 密着性の優れたラミネート鋼板製多段絞り缶の製造方法 |
WO1994013732A1 (en) * | 1992-12-04 | 1994-06-23 | Toray Industries, Inc. | Thermal lamination polyester film |
EP0608632B1 (en) * | 1992-12-25 | 2000-03-22 | Toyo Seikan Kaisha Limited | Coated metal plate for cans and seamless cans formed therefrom |
JPH07106394A (ja) | 1993-10-07 | 1995-04-21 | Toppan Printing Co Ltd | マルチチップモジュールの製造方法 |
JP2707965B2 (ja) * | 1993-12-22 | 1998-02-04 | 東洋製罐株式会社 | 耐衝撃性に優れた2ピース缶 |
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US6723441B1 (en) * | 1999-09-22 | 2004-04-20 | Nkk Corporation | Resin film laminated metal sheet for can and method for fabricating the same |
CA2352747C (en) * | 1999-09-30 | 2006-03-14 | Daiwa Can Company | Manufacturing method for bottle-shaped can |
EP1174457B1 (en) * | 1999-12-03 | 2004-12-22 | Toray Industries, Inc. | Biaxially stretched polyester film for forming |
JP4343383B2 (ja) * | 2000-03-02 | 2009-10-14 | 東洋製罐株式会社 | 樹脂被覆シームレス缶 |
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JP2004148324A (ja) * | 2002-10-28 | 2004-05-27 | Toyo Seikan Kaisha Ltd | 樹脂被覆金属絞りしごき缶の製造方法 |
US7666487B2 (en) * | 2003-05-22 | 2010-02-23 | Jfe Steel Corporation | Easy-open end and laminated steel sheet |
JP2004345232A (ja) * | 2003-05-22 | 2004-12-09 | Jfe Steel Kk | 熱処理後の加工性に優れた缶用ラミネート金属板 |
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JP4622737B2 (ja) * | 2005-08-12 | 2011-02-02 | Jfeスチール株式会社 | 2ピース缶用ラミネート鋼板および2ピースラミネート缶 |
JP4692147B2 (ja) * | 2005-08-12 | 2011-06-01 | Jfeスチール株式会社 | 2ピース缶の製造方法および2ピースラミネート缶 |
DE102006023293A1 (de) * | 2006-05-18 | 2007-11-22 | Mitsubishi Polyester Film Gmbh | Biaxial orientierte Polyesterfolie für die Blechlaminierung |
-
2005
- 2005-08-12 JP JP2005234562A patent/JP4961696B2/ja active Active
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2006
- 2006-08-10 CN CN2006800294121A patent/CN101242950B/zh not_active Expired - Fee Related
- 2006-08-10 WO PCT/JP2006/316122 patent/WO2007020951A1/ja active Application Filing
- 2006-08-10 EP EP20060796479 patent/EP1914065B1/en not_active Expired - Fee Related
- 2006-08-10 PT PT67964791T patent/PT1914065E/pt unknown
- 2006-08-10 CA CA 2617892 patent/CA2617892C/en not_active Expired - Fee Related
- 2006-08-10 KR KR1020087001444A patent/KR101002841B1/ko not_active IP Right Cessation
- 2006-08-10 US US11/990,371 patent/US20090104390A1/en not_active Abandoned
-
2012
- 2012-02-07 US US13/367,697 patent/US20120141232A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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KR101002841B1 (ko) | 2010-12-21 |
CA2617892A1 (en) | 2007-02-22 |
EP1914065A4 (en) | 2009-10-28 |
WO2007020951A1 (ja) | 2007-02-22 |
US20090104390A1 (en) | 2009-04-23 |
KR20080023259A (ko) | 2008-03-12 |
EP1914065A1 (en) | 2008-04-23 |
CN101242950A (zh) | 2008-08-13 |
US20120141232A1 (en) | 2012-06-07 |
EP1914065B1 (en) | 2013-10-16 |
CA2617892C (en) | 2011-05-24 |
PT1914065E (pt) | 2013-12-02 |
CN101242950B (zh) | 2011-09-14 |
JP2007045511A (ja) | 2007-02-22 |
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