EP3071347A1 - Method for manufacturing brilliant metal sealing caps - Google Patents
Method for manufacturing brilliant metal sealing capsInfo
- Publication number
- EP3071347A1 EP3071347A1 EP14806690.5A EP14806690A EP3071347A1 EP 3071347 A1 EP3071347 A1 EP 3071347A1 EP 14806690 A EP14806690 A EP 14806690A EP 3071347 A1 EP3071347 A1 EP 3071347A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- capsule
- stamping
- typically
- metal
- blank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 41
- 239000002184 metal Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000007789 sealing Methods 0.000 title abstract description 3
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- 239000002966 varnish Substances 0.000 claims abstract description 15
- 238000005238 degreasing Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 239000002775 capsule Substances 0.000 claims description 70
- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000004922 lacquer Substances 0.000 claims description 3
- 238000005034 decoration Methods 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 abstract 1
- 238000012512 characterization method Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 238000004439 roughness measurement Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 208000001613 Gambling Diseases 0.000 description 1
- 235000013334 alcoholic beverage Nutrition 0.000 description 1
- 229910002065 alloy metal Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
- B21D51/44—Making closures, e.g. caps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/201—Work-pieces; preparation of the work-pieces, e.g. lubricating, coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
-
- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
Definitions
- the aluminum alloy capping capsules are typically manufactured as follows:
- the brilliant appearance of the capsule is essentially given by the quality of the varnish.
- the glossy appearance can be obtained on the final capsule by a metallization process whose rates are generally low.
- the quality of the glossy appearance remains substantially unchanged on the head of the blank, but is very degraded on the skirt which has a more or less matte appearance.
- a step of degreasing thermally, typically at a temperature of 180 to 210 ° C, for a time of 3 to 5 minutes, or chemical in an alkaline medium, of said stamped blank, intended to typically eliminate the residues of lubricant, for forming a defatted blank that can be varnished
- a possible step of protective varnishing and / or decoration and characterized in that it comprises, after optionally directly linked with the drawing step, at least one drawing step of passing the blank pressed by at least one drawing ring to lengthen the metal and thin it.
- it is less than or equal to 30%.
- only the face intended for the inside of the capsule is coated with a varnish before stamping and the face intended for the outside of the capsule is only after the degreasing step.
- FIG. 2 schematically illustrates the embodiment of the roughness measurements according to the NF EN ISO 4287 standard in the long-to-left direction, here for a stamped capsule, and to the right in the cross-direction, here for a stamped and stretched capsule. according to the invention.
- FIG. 3 represents the roughness Ra in microns obtained for walls or skirts of capsule blanks, measured in the long direction from top to bottom of the wall, marked SL, or across at the top of the wall, labeled ST:
- FIG. 4 represents in the same way the roughness obtained:
- FIG. 5 represents the pattern, in graduated scale composed of optical combs, used to quantify the brightness of the capsule walls by applying the standard NF EN ISO 10215 of image sharpness characterization on anodized products to apply it to the characterization of the brilliance.
- the interest of the invention was therefore multiple: uniformize the thickness of the skirt over its entire height by minimizing the amount of material used, or allowing the manufacture of higher capsules without increasing the amount of material and finally, obtain a uniform level of gloss on the top or head and on the skirt or capsule wall.
- the diameter of the matrix was 35.30 mm and its radius 1.10 mm.
- the lubricant was of the type known as LAPPING OIL 67 from HENKEL.
- This step made it possible to manufacture cups or capsules stamped referenced A and
- the minimum stretch is imposed by the minimum thickness of the skirt after stamping.
- the minimum stretch to obtain a gloss recovered over the entire height of the skirt is 3.3%.
- This value, corresponding to the stretch necessary to obtain the minimum thickness of the skirt after stamping of 0.203 mm over its entire height, is obtained by the formula already mentioned (1- final thickness / initial thickness) where the final thickness is 0.203 mm and the initial thickness 0.210 mm.
- the roughness of the capsule, stamped and stretched according to the invention was compared with the roughness of the capsule only stamped (according to the prior art), and finally with the roughness initial metal strip or sheet or starting format flat, before shaping the capsule.
- FIG. 3 compares the roughness of the walls or skirts of capsules A and B of the prior art with those of capsules C and D according to the invention.
- the roughness of the skirts of the capsules according to the invention are very similar in the long direction and in the cross direction, which is obviously of considerable importance because of its impact on the homogeneity of the gloss all over the skirt or wall.
- the graduated scale composed of optical combs, as shown in FIG. 5, was used and the rating, or scale of clarity, allowing a classification of the sharpness of the image, as in Table 1 below. :
- the test consists in placing the capsule, skirt or wall at a distance d from the optical comb pattern and evaluating the class beyond which the streaks of the pattern are no longer visible or, more precisely, are no longer visually dissociable. .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1302659A FR3013244B1 (en) | 2013-11-19 | 2013-11-19 | PROCESS FOR MANUFACTURING BRILLIANT METAL MOLDING CAPSULES |
PCT/FR2014/000243 WO2015075324A1 (en) | 2013-11-19 | 2014-11-14 | Method for manufacturing brilliant metal sealing caps |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3071347A1 true EP3071347A1 (en) | 2016-09-28 |
EP3071347B1 EP3071347B1 (en) | 2019-06-05 |
Family
ID=49949738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14806690.5A Active EP3071347B1 (en) | 2013-11-19 | 2014-11-14 | Method for manufacturing brilliant metal sealing caps |
Country Status (8)
Country | Link |
---|---|
US (1) | US10618097B2 (en) |
EP (1) | EP3071347B1 (en) |
JP (1) | JP6532873B2 (en) |
CN (1) | CN105745035B (en) |
AR (1) | AR098430A1 (en) |
FR (1) | FR3013244B1 (en) |
RU (1) | RU2679670C1 (en) |
WO (1) | WO2015075324A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6952482B2 (en) * | 2017-02-15 | 2021-10-20 | ユニバーサル製缶株式会社 | Bottle can caps and how to cap bottle can caps |
JP7155568B2 (en) | 2018-03-26 | 2022-10-19 | 東洋製罐グループホールディングス株式会社 | metal work |
FR3095769B1 (en) | 2019-05-09 | 2021-06-11 | Constellium Rolled Products Singen Gmbh & Co Kg | A method of manufacturing long metal stopper caps comprising a skirt having a constant thickness |
EP3965977A1 (en) | 2019-05-09 | 2022-03-16 | Constellium Rolled Products Singen GmbH & Co.KG | Method for manufacturing long metal stopper caps comprising a skirt having a constant thickness |
CN111360145A (en) * | 2020-02-17 | 2020-07-03 | 中南大学 | Electric pulse auxiliary micro-stretching process for superfine crystal metal foil |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4040282A (en) * | 1975-11-24 | 1977-08-09 | National Steel Corporation | Ironing ring having improved lubricating characteristics |
US5343729A (en) * | 1985-03-15 | 1994-09-06 | Weirton Steel Corporation | Fabricating one-piece can bodies with controlled side wall elongation |
FR2634737B1 (en) * | 1988-07-28 | 1991-05-10 | Cesal | PROCESS FOR MANUFACTURING LEAD-BASED CAPPING CAPSULES AND CAPSULES OBTAINED |
GB2246535B (en) * | 1990-07-28 | 1994-01-26 | Cmb Foodcan Plc | Method of manufacturing a wall ironed can |
US5329799A (en) * | 1992-05-29 | 1994-07-19 | Toyota Jidosha Kabushiki Kaisha | Process and apparatus for press-forming tubular container-like article from strip, including forward and backward ironing steps |
IT1278364B1 (en) * | 1994-02-14 | 1997-11-20 | Toyo Kohan Co Ltd | ALUMINUM SHEET LAMINATED WITH A RESIN FILM FOR DRY-FORMED CANS. |
JP3046217B2 (en) * | 1994-02-14 | 2000-05-29 | 東洋鋼鈑株式会社 | Resin-coated aluminum plate for dry drawing and ironing can |
US5644841A (en) * | 1994-08-19 | 1997-07-08 | Heatcraft Inc. | Method for manufacturing a heat transfer coil |
JP3611605B2 (en) * | 1994-09-30 | 2005-01-19 | 北海製罐株式会社 | Method for manufacturing aluminum can body |
JP2751039B2 (en) | 1996-03-27 | 1998-05-18 | 大豊建設株式会社 | Mobile switcher for steep conveying equipment |
FR2763046B1 (en) * | 1997-05-12 | 1999-06-04 | Pechiney Emballage Alimentaire | METAL CAPSULE WITH PLASTIC INSERT |
JP2000280399A (en) * | 1999-03-29 | 2000-10-10 | Kobe Steel Ltd | Aluminum plate for press molding |
JP2000281118A (en) * | 1999-03-29 | 2000-10-10 | Kobe Steel Ltd | Aluminum plate for cap and its manufacturing method |
JP2001286941A (en) * | 2000-04-07 | 2001-10-16 | Sumitomo Electric Fine Polymer Inc | Manufacturing method of aluminum container with glossy side face |
JP2002144478A (en) * | 2000-11-16 | 2002-05-21 | Nippon Steel Corp | Alkali soluble lubricating surface-treated metal product excellent in moldability |
ITRM20010616A1 (en) * | 2001-10-17 | 2003-04-17 | Italcoat S R L | PRODUCTION PROCESS OF POLISHED SEMI-FINISHED TAPES. |
FR2871814B1 (en) * | 2004-06-18 | 2006-08-25 | Satma Sa De Traitement Des Met | METHOD FOR MANUFACTURING COATED ALUMINUM ALLOY BANDS FOR PERFORMING DECORATIONS OF PHOTOGRAPHIC QUALITY BY DRY TRANSFER |
JP2006272424A (en) * | 2005-03-30 | 2006-10-12 | Showa Aluminum Kan Kk | Bottle-shaped can manufacturing method and bottle-shaped can manufactured thereby |
JP4885771B2 (en) * | 2007-03-22 | 2012-02-29 | 日本クラウンコルク株式会社 | Metal container lid and manufacturing method thereof |
RU2418646C1 (en) * | 2009-10-12 | 2011-05-20 | Федеральное государственное унитарное предприятие "Муромский приборостроительный завод" (ФГУП "МПЗ") | Method of producing hollow articles |
JP5827789B2 (en) * | 2010-03-26 | 2015-12-02 | 東洋鋼鈑株式会社 | Resin-coated Al plate for squeezed iron cans with excellent luster and method for producing squeezed iron cans |
CN202114137U (en) * | 2010-12-29 | 2012-01-18 | 环宇制罐株式会社 | Reduction drawing die used for manufacturing bottles, stamping device and bottle |
US9545738B2 (en) * | 2011-08-19 | 2017-01-17 | 3M Innovative Properties Company | Method of forming deep-drawn paint film laminated sheet metal and articles made therefrom |
JP5832858B2 (en) * | 2011-11-09 | 2015-12-16 | 昭和アルミニウム缶株式会社 | Metal can |
-
2013
- 2013-11-19 FR FR1302659A patent/FR3013244B1/en active Active
-
2014
- 2014-11-14 JP JP2016532570A patent/JP6532873B2/en active Active
- 2014-11-14 US US15/036,556 patent/US10618097B2/en active Active
- 2014-11-14 WO PCT/FR2014/000243 patent/WO2015075324A1/en active Application Filing
- 2014-11-14 RU RU2016123931A patent/RU2679670C1/en active
- 2014-11-14 EP EP14806690.5A patent/EP3071347B1/en active Active
- 2014-11-14 AR ARP140104295A patent/AR098430A1/en active IP Right Grant
- 2014-11-14 CN CN201480063355.3A patent/CN105745035B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN105745035A (en) | 2016-07-06 |
WO2015075324A1 (en) | 2015-05-28 |
JP2017512135A (en) | 2017-05-18 |
CN105745035B (en) | 2018-02-23 |
RU2016123931A (en) | 2017-12-25 |
AR098430A1 (en) | 2016-05-26 |
FR3013244B1 (en) | 2015-11-20 |
US20160288195A1 (en) | 2016-10-06 |
EP3071347B1 (en) | 2019-06-05 |
RU2679670C1 (en) | 2019-02-12 |
FR3013244A1 (en) | 2015-05-22 |
JP6532873B2 (en) | 2019-06-19 |
US10618097B2 (en) | 2020-04-14 |
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