EP2459332B1 - Vorrichtung zum formen von tiefgezogenen behältern - Google Patents

Vorrichtung zum formen von tiefgezogenen behältern Download PDF

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Publication number
EP2459332B1
EP2459332B1 EP10732655.5A EP10732655A EP2459332B1 EP 2459332 B1 EP2459332 B1 EP 2459332B1 EP 10732655 A EP10732655 A EP 10732655A EP 2459332 B1 EP2459332 B1 EP 2459332B1
Authority
EP
European Patent Office
Prior art keywords
region
stamping body
container
degrees
material web
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.)
Active
Application number
EP10732655.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2459332A1 (de
Inventor
Dick Cornelis Verbeek
Harry Johan Kettelarij
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amcor Flexibles Kreuzlingen AG
Original Assignee
Amcor Flexibles Kreuzlingen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Amcor Flexibles Kreuzlingen AG filed Critical Amcor Flexibles Kreuzlingen AG
Priority to PL10732655T priority Critical patent/PL2459332T3/pl
Publication of EP2459332A1 publication Critical patent/EP2459332A1/de
Application granted granted Critical
Publication of EP2459332B1 publication Critical patent/EP2459332B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00Making hollow objects
    • B21D51/16Making hollow objects characterised by the use of the objects
    • B21D51/26Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2646Of particular non cylindrical shape, e.g. conical, rectangular, polygonal, bulged
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20Deep-drawing
    • B21D22/26Deep-drawing for making peculiarly, e.g. irregularly, shaped articles

Definitions

  • the invention relates to a device for forming thermoformed containers according to the preamble of claim 1.
  • Such a device is known from US 4,562,717 known.
  • an existing of an elastic material punch body is used.
  • the punch body which cooperates with a conically shaped die, which determines the outer shape of the cup, in this case has a slope between 0 degrees and 20 degrees.
  • the punch body has a centrally arranged recess whose shape is frustoconical, wherein in the recess additionally a cylindrically shaped receiving pin is arranged.
  • the punch body lies on its outer circumference completely against the material web in the region of the die.
  • a good stackability of the container is understood the property that nestled containers as completely as possible rest against the peripheral edge of the container, so that at a certain stack height as many containers stack each other and the stack has the same vertical orientation as possible. If this is not the case, both in the processing of the container in a packaging machine, which fills the containers and closes, as well as in the handling of the container, especially when removing individual containers from a container stack in a storage magazine, an increased effort required.
  • the invention has the object, a device for forming deep-drawn containers according to the preamble of claim 1 such that their stackability is improved. This object is achieved in a device for forming deep-drawn containers with the features of claim 1.
  • the invention is based on the idea that in the end position of the plunger body, in which this is in its lowest position in the die, between the plunger body and the container wall in the region of the opening portion of the container, a free space is formed. It has been found that thereby when moving out of the punch body from the die or during removal from the container this in the region of the opening of the container, which forms the region of the cup rim, have a very high, consistent accuracy or taper. As a result, the stackability of the container is significantly increased or improved.
  • the punch body has a region which is reduced in its cross-sectional area with respect to the initially reaching the material web in operative connection region of the punch body and that the first with the material web in WirkMIS reaching area has a height of at least 5 mm.
  • the die has a taper angle of 1 degree to 20 degrees, in particular of 5 degrees to 12 degrees, and that the punch body in the container wall forming portion is cylindrical or has a taper which is smaller than the taper the container wall, wherein Konizticianswinkel the area especially between 0 degrees and 8 degrees.
  • a particularly simple producibility of the stamp body is achieved when the stamp body has at least two regions, one of which is a region of the container wall forming region and the other region of the region by the stamper body has the free space to the container wall.
  • Natural rubber, acrylonitrile-butadiene rubber or urethane rubber have been found to be preferred materials for the production of the stamper bodies.
  • the punch body has a hardness of 50 ShA to 130 ShA, preferably from 70 ShA to 95 ShA.
  • the molding process can be facilitated if the material of the stamp body contains at least one additive, in particular a fluorine-based lubricant-improving additive, such as, for example, Teflon®.
  • a fluorine-based lubricant-improving additive such as, for example, Teflon®.
  • the material of the stamp body contains a filler or a substance for reinforcement such as carbon black, silicon, clay or chalk.
  • the stamp body is vulcanized onto a carrier element consisting of metal.
  • the punch body is annular and cooperates with an insert consisting of metal, which is connected to a carrier element consisting of metal.
  • the insert is formed on the side opposite the carrier element as a stamping plate having a structure (embossing edge) which forms the bottom region of the container.
  • the rotationally symmetrical formed stamp body 10 may for example consist of natural rubber, an acrylonitrile-butadiene rubber or a urethane rubber, or at least contain these materials.
  • Alternative stamp body materials are synthetic polyisoprene rubber, styrene-butadiene rubber, hydrogenated nitrile rubber, acrylic rubber, epichlorohydrin rubber, epichlorohydrin-ethylene oxide rubber, chloroprene rubber, polybutadiene rubber, butyl rubber or ethylene-propylene-diene monomers.
  • the hardness of the stamp body 10 is in this case between 50 ShA and 130 ShA, preferably between 70 ShA and 95 ShA.
  • the materials of the stamp body 10 may contain activators and / or accelerators for a later-mentioned vulcanization process, plasticizers or plasticizers, stabilizers, in particular against oxidation and ozone attack, processing aids, tackifiers and / or reinforcing agents or fillers.
  • the stamp body 10 may contain, for example, carbon black, silica, alumina, chalk or lime.
  • the stamp body 10 may be provided with lubricants, for example fluoride-containing polymers or polyhalogenolefins, such as polytetrafluoroethylene (TEFLON®), ⁇ -boron nitride or graphite, at least on its shaping surface or through the entire stamp body material.
  • dyes are also possible which make the stamp body 10 appear as desired or required in a desired color.
  • the punch body 10 has a through bore 11 in its longitudinal axis.
  • the diameter d of the bore 11 is about half of the diameter D of the punch body 10 ⁇ 15 mm.
  • Diameter D of the punch body 10 corresponds to the inner diameter of the container 1 ⁇ 3 mm.
  • the stamp body 10 has two regions 13 and 14.
  • the first region 13 has a larger diameter than the second region 14.
  • the lateral surfaces 15, 16 of the regions 13, 14 are either cylindrical, or have a low conicity, wherein the angle ⁇ 1 of the lateral surface 15 and the angle ⁇ 2 of the lateral surface 16 can each be between 0 degrees and 8 degrees.
  • the height h of the region 14 is between 0 mm and the total height H less 5 mm, wherein the diameter in the region of the lateral surface 16 can be up to 20 mm less than the diameter D.
  • the stamp body 10 described so far can be vulcanized onto a carrier element or a carrier plate 18. This can be done by a solvent-based two-component or one-component system or by means of a water-soluble binding system. Vulcanized stamper bodies 10 may be vulcanized by sulfur or peroxide treatment.
  • the support plate 18 may be made of e.g. nitrided or case hardened or case hardened nitrided steel.
  • the metal carrier plate 18 has approximately an outer diameter which corresponds to the outer diameter of the punch body 10.
  • a second punch body 20 is shown.
  • the second plunger body 20 differs from the first plunger body 10 essentially by the use of a metal insert body 22 arranged in the bore 21.
  • the insert body 22 has a cylindrical region 23 which widens in diameter on the side opposite the support plate 24.
  • the upper side 25 of the insert body 22 may in this case be formed as an embossing plate, which by way of example has an elevated, radially surrounding embossing edge 27, which forms a corresponding recess in the bottom region of a container 1 ( Fig. 3 ).
  • a receiving bore 28 is still formed, in which a screw, not shown, can be arranged, which screwed the insert body 22 with the support plate 24 or braced, and which may have a ventilation hole.
  • the outer diameter or the shape of the insert body 22 is such that an annular clearance 29 is formed between the outer circumference of the insert body 22 and the inner circumference of the second punch body 20.
  • a third punch body 30 is shown for forming approximately octagonal containers.
  • the length L of the inner length of the container corresponds to ⁇ 3 mm.
  • the length l corresponds to the length L less twice the wall thickness t ⁇ 5 mm.
  • the width B corresponds to the inner width of the container ⁇ 3 mm.
  • the inner width b of the width B is less than twice the wall thickness t ⁇ 5 mm.
  • the outer radius R is between 2 mm and 40 mm, while the inner radius r is approximately between 0.5 mm and 30 mm.
  • the height H corresponds to the height of the containers.
  • the region of the plunger body 30 facing away from the carrier plate 31 can be enlarged relative to the region facing the carrier plate 31 corresponding to the two punch bodies 10, 20 (not shown).
  • the punch body 30 may be formed using an insert.
  • the outer shape of the punch body 30 may be either cylindrical, or have a taper angle ⁇ 3 of 0 degrees to about 8 degrees.
  • Typical sealing layers are, for example, polypropylene sealing layers in a thickness of 20 ⁇ m to 200 ⁇ m or of sealing layers of polyethylene in a thickness of 20 ⁇ m to 200 ⁇ m.
  • the sealing layers can enter into a release-resistant connection with the seal or can form a peelable layer and the sealing layers can absorb pressure and impact forces on a case-by-case basis.
  • the core layer can be, for example, a polypropylene or polyethylene, for example in the form of a film having a thickness of 20 ⁇ m to 200 ⁇ m.
  • the aluminum foil may have a thickness of 20 .mu.m to 200 .mu.m, particularly preferably between 80 .mu.m and 160 .mu.m and in particular be a soft alloy, semi-hard alloy or three-quarter hard alloy.
  • the applied lacquers can be, for example, per se known lacquers, such as acrylic lacquers, PVC lacquers, cellulose lacquers, stoving lacquers, epoxy-containing lacquers, nitro lacquers, etc.
  • the layer designated PP is in particular a polypropylene sealing layer directed against the inside of a container.
  • An alternative possibility is a sealing layer, directed against the inside of a container, made of polyethylene.
  • the adhesive layer of polypropylene, resp. Polyethylene may have a thickness of 10 microns to 60 microns.
  • the sealing layers may for example have a total thickness of 20 microns to 200 microns.
  • the foam material may be a closed-cell plastic foam, for example made of a polyolefin, such as polypropylene (PP foam), or a polyethylene terephthalate foam (PET), used as C-PET or A-PET.
  • PP foam polypropylene
  • PET polyethylene terephthalate foam
  • the material combination PP foam PP indicates a multi-layer composite of two cover layers or covering films, for example a thickness of 12 to 200 ⁇ m, of polypropylene and a foam layer of e.g. Polypropylene or polyethylene terephthalate out.
  • the foam layers can have a thickness of 500 ⁇ m to 2000 ⁇ m.
  • the aluminum has a thickness of advantageously 20 ⁇ m to 200 ⁇ m, preferably 80 ⁇ m to 160 ⁇ m, and is e.g. a soft, semi-hard or three-quarter hard alloy.
  • PP indicates a polypropylene sealing layer, PE a polyethylene sealing layer, whereby the sealing layer can be designed to be fully adhesive or peelable.
  • layer thicknesses for the PP (polypropylene) of 20 microns to 80 microns are advantageous.
  • the oriented polyamide may in particular be bi- or monoaxially oriented and have a thickness of 10 ⁇ m to 50 ⁇ m.
  • the aluminum has a thickness of advantageously 20 .mu.m to 100 .mu.m and is, for example, a soft, semi-hard or three-quarter hard alloy. It can in turn be used the commercial paints.
  • containers can be produced by means of the device 40 according to the invention, for example in plan view, rotationally symmetrical containers with outside diameters D of 12 to 150 mm and inside diameters D i of 55 to 145 mm.
  • the side wall angle can be between 1 and 20 °.
  • the height of a container (H), related to the deep drawing ratio ( ⁇ ), can be represented as follows: H Max , ⁇ 0 . 5 x D i
  • containers with non-rotationally symmetrical top view by means of the device according to the invention.
  • oval or polygonal such as rectangular or square, but also 5-, 6-, 8-square, etc. containers can be made.
  • Typical radii for corner areas are between 2 and 40 mm at the outer edge and 0.5 to 30 mm at the inner edge (inner radius r) of the side wall.
  • the length of the side edges is not critical.
  • the height of a non-rotationally symmetrical container, based on the deep drawing ratio ( ⁇ ), is approximately: H Max ⁇ 2 . 5 x inner radius r
  • a rolling edge 5 can be provided with a diameter of about 1 to 2.5 mm.
  • the containers may have a sealing flange.
  • the sealing flange, the hereinafter also referred to as a rolled edge 5 is suitably an endless sealing flange, and may for example be 2.5 to 5.0 mm wide.
  • the side wall angle can be between 1 and 20 °.
  • the method with the present device allows for a production rate of, for example, 50 to 150 and in particular from 70 to 130 cycles / min. It has proved to be advantageous if the material web 2 is provided during processing in the device 40 with a layer of suitable lubricant, or oil or grease. In this case, layer quantities of 300 to 800 mg / m 2 , in particular from 400 to 600 mg / m 2 have proved to be advantageous.
  • the device 40 has a die 41 which determines the outer shape of the container 1 and interacts with the stamp body 10 by way of example.
  • the inner wall 42 of the die 41 has a Konizticianswinkel ⁇ 4 of 1 degree to 20 degrees, in particular from 5 degrees to 12 degrees, which allows the removal from the die 41 and a nesting of containers 1 or improved.
  • the stamp body 10 has a slightly smaller size on the side facing the die 41 than the die 41 in the region of its opening cross section 45.
  • the die 41 of the device 40 in the direction of arrow 43 down against the rigidly arranged, and aligned with the die 41 in the longitudinal axis aligned punch body 10, wherein the web 2 by means not shown clamping means in a known manner and Way is clamped.
  • the plunger body 10 is dipped into the die 41, the plunger body 10 is compressed both axially and radially, whereby the material web 2 is drawn between the area 13 of the plunger body 10 and the inner wall 42, without leaving any clearance between the area 13 of the plunger body 10 and the inner wall 42 and between the inner wall 42 and the die 41 are.
  • the side wall 4 of the container 1 is formed.
  • the material web blank of the container 1 is formed in the region of its container edge, so that the rolled edge 5 is formed ( Fig. 9 ).
  • the side walls 4 of the container 1 can be produced with a very high geometric accuracy or reproducibility by the special design of the stamp body 10. This makes it possible to achieve a good stackability of the containers 1, ie that, in the case of several containers 1 stacked one inside the other, they are arranged symmetrically to a longitudinal axis 46, the rolling edges 5 of the containers 1 resting over their entire circumference.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Toys (AREA)
  • Table Devices Or Equipment (AREA)
EP10732655.5A 2009-07-30 2010-07-06 Vorrichtung zum formen von tiefgezogenen behältern Active EP2459332B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10732655T PL2459332T3 (pl) 2009-07-30 2010-07-06 Urządzenie do wgłębnego formowania pojemników

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009035680A DE102009035680A1 (de) 2009-07-30 2009-07-30 Vorrichtung zum Formen von tiefgezogenen Behältern
PCT/EP2010/004020 WO2011012196A1 (de) 2009-07-30 2010-07-06 Vorrichtung zum formen von tiefgezogenen behältern

Publications (2)

Publication Number Publication Date
EP2459332A1 EP2459332A1 (de) 2012-06-06
EP2459332B1 true EP2459332B1 (de) 2013-06-05

Family

ID=43332340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10732655.5A Active EP2459332B1 (de) 2009-07-30 2010-07-06 Vorrichtung zum formen von tiefgezogenen behältern

Country Status (12)

Country Link
US (1) US9302315B2 (da)
EP (1) EP2459332B1 (da)
JP (1) JP2013500163A (da)
AU (1) AU2010278373A1 (da)
CA (1) CA2768380A1 (da)
DE (1) DE102009035680A1 (da)
DK (1) DK2459332T3 (da)
ES (1) ES2421487T3 (da)
HR (1) HRP20130783T1 (da)
PL (1) PL2459332T3 (da)
RU (1) RU2510827C2 (da)
WO (1) WO2011012196A1 (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111032243A (zh) * 2017-08-07 2020-04-17 杰富意钢铁株式会社 冲压成形品的制造方法

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2574410T3 (pl) 2011-10-01 2014-09-30 Amcor Flexibles Zutphen B V Urządzenie do formowania głęboko tłoczonych pojemników
US9511690B2 (en) 2012-04-23 2016-12-06 Global Ip Holdings, Llc Cargo management system including a vehicle load floor having a cellulose-based core and made by a composite, compression molding process and having a wood grain finish
US9539958B2 (en) 2012-04-23 2017-01-10 Global Ip Holdings, Llc Assembly including a compression-molded, composite panel having a cellulose-based core and a hinged mounting flange
US9527268B2 (en) 2012-04-23 2016-12-27 Global Ip Holdings, Llc Method of making a sandwich-type composite panel having a cellulose-based core and a living hinge and panel obtained by performing the method
US11214035B2 (en) 2012-05-24 2022-01-04 Global Ip Holdings, Llc Marine decking with sandwich-type construction and method of making same
US9567037B2 (en) 2012-05-24 2017-02-14 Global Ip Holdings, Llc Deep-drawn marine hull having a sandwich structure with a cellulose-based core and watercraft utilizing same
US9873488B2 (en) 2012-05-24 2018-01-23 Global Ip Holdings Llc Deep-drawn marine hull having a sandwich structure and watercraft utilizing same
US20170267315A1 (en) 2012-05-24 2017-09-21 Global Ip Holdings, Llc Marine decking with sandwich-type construction and method of making same
US11518136B2 (en) 2012-05-24 2022-12-06 Global Ip Holdings, Llc Marine decking with sandwich-type construction and method of making same
US10166704B2 (en) 2013-02-08 2019-01-01 Global Ip Holdings, Llc Method of making a laminated trim component at a pair of spaced first and second molding stations
US9707725B2 (en) 2013-02-08 2017-07-18 Global Ip Holdings, Llc Method of making a sandwich-type, compression-molded, composite component having a cellulose-based core and improved surface appearance
US10279512B2 (en) 2013-02-08 2019-05-07 Global Ip Holdings, Llc Method of making a laminated trim component at a molding station
US9770849B2 (en) 2013-02-08 2017-09-26 Global Ip Holdings, Llc Method of making a sandwich-type, compression-molded, composite component having improved surface appearance
US10532499B2 (en) 2013-02-08 2020-01-14 Global Ip Holdings, Llc Method of making a laminated trim component
US10618203B2 (en) 2013-02-08 2020-04-14 Global Ip Holdings, Llc Method of making a trimmed, laminated trim component
DE102014106427A1 (de) * 2014-05-08 2015-11-12 Technische Universität Dresden Verfahren und Vorrichtung zur Herstellung von Formteilen aus einer Faserwerkstoffbahn
RU2684463C2 (ru) * 2014-05-27 2019-04-10 Амкор Флексиблс Роршах Аг Термосвариваемая структура для алюминиевых одноразовых контейнеров для завариваемых напитков
DE102014219021A1 (de) * 2014-09-22 2016-03-24 Volkswagen Aktiengesellschaft Presswerkzeug
KR20200113219A (ko) * 2018-02-06 2020-10-06 타타 스틸 이즈무이덴 베.뷔. 월-아이어닝에 의해 캔 몸체를 제조하는 방법 및 장치

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Publication number Priority date Publication date Assignee Title
CN111032243A (zh) * 2017-08-07 2020-04-17 杰富意钢铁株式会社 冲压成形品的制造方法
CN111032243B (zh) * 2017-08-07 2021-10-01 杰富意钢铁株式会社 冲压成形品的制造方法
US11260443B2 (en) 2017-08-07 2022-03-01 Jfe Steel Corporation Method for manufacturing press formed product

Also Published As

Publication number Publication date
RU2510827C2 (ru) 2014-04-10
DK2459332T3 (da) 2013-09-08
PL2459332T3 (pl) 2013-12-31
CA2768380A1 (en) 2011-02-03
AU2010278373A1 (en) 2012-02-02
JP2013500163A (ja) 2013-01-07
EP2459332A1 (de) 2012-06-06
US20120119418A1 (en) 2012-05-17
WO2011012196A1 (de) 2011-02-03
ES2421487T3 (es) 2013-09-03
HRP20130783T1 (hr) 2013-11-22
US9302315B2 (en) 2016-04-05
RU2012121171A (ru) 2013-11-27
DE102009035680A1 (de) 2011-03-17

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