EP0205822B1 - Appareillage pour la fabrication de couvercles arrachables - Google Patents

Appareillage pour la fabrication de couvercles arrachables Download PDF

Info

Publication number
EP0205822B1
EP0205822B1 EP86105698A EP86105698A EP0205822B1 EP 0205822 B1 EP0205822 B1 EP 0205822B1 EP 86105698 A EP86105698 A EP 86105698A EP 86105698 A EP86105698 A EP 86105698A EP 0205822 B1 EP0205822 B1 EP 0205822B1
Authority
EP
European Patent Office
Prior art keywords
tear
conveyor
hangers
cover
pairs
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.)
Expired
Application number
EP86105698A
Other languages
German (de)
English (en)
Other versions
EP0205822A3 (en
EP0205822A2 (fr
Inventor
Georg Dr. Dipl.-Chem. Bolte
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.)
Ardagh Metal Packaging Germany GmbH
Original Assignee
Schmalback Lubeca 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 Schmalback Lubeca AG filed Critical Schmalback Lubeca AG
Priority to AT86105698T priority Critical patent/ATE45599T1/de
Publication of EP0205822A2 publication Critical patent/EP0205822A2/fr
Publication of EP0205822A3 publication Critical patent/EP0205822A3/de
Application granted granted Critical
Publication of EP0205822B1 publication Critical patent/EP0205822B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • B05C3/09—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles
    • B05C3/10—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles the articles being moved through the liquid or other fluent material
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/22—Servicing or operating apparatus or multistep processes

Definitions

  • the invention relates to a device for the production of tear-open covers, which consist of thin-walled, stamped and deep-drawn ferromagnetic material with a circumferential curl, and which have an all-round coating and a scoring or punching or punching to form the tear opening, in which case Punching out the tear-open opening can be equipped with a covering, sealable tear-open foil, preferably a plastic-aluminum foil.
  • DE-A 1 927 436 discloses a method for depositing a paint on ferromagnetic objects.
  • the objects are moved through a coating bath while the coating is deposited by electrical means.
  • the number of contact areas during the application of the coating is reduced by the use of an electromagnetic carrier device.
  • such a method cannot be used directly in the manufacture of tear-open covers.
  • the invention is based on the object of proposing a device with which the coating of the cover is achieved in one operation and thereby cut edge protection is also achieved.
  • a conveyor is provided above an electro-dip bath, along the length of which is arranged in pairs at a distance transversely to the conveying movement and in the longitudinal direction of the conveyor, and is temporarily held in the basin by the guidance of the conveyor and is held in pairs with each pair support fingers projecting in opposite directions transversely to the conveying direction for engaging in the curls are provided in mirror image on each pair of brackets with a lid which can be attached in the vertical direction of the plane of the lid mirror, and that for each row of bracket pairs a parallel to the conveyor and between the brackets of the pairs arranged in series fixed magnetic rail extending therethrough is provided.
  • the lid After its formation and scoring or after being punched in or punched out to form the tear-open opening for the purpose of painting, the lid is thus moved through an electro-immersion bath and in the process, as well as during subsequent rinsing and drying treatments, with the lid level running in a vertical direction and exclusively in the area the inner wall surface of its curl held supported.
  • the cover prefferably be exposed to the action of magnetic field forces during its movement through the electro-immersion bath and during the subsequent rinsing and drying treatment to be pressed against the support. In this way, the cover is pressed onto the bracket without a pressure element coming into contact with the cover.
  • the conveyor can initially have a section inclined downwards in the conveying direction; so that the bracket with the attached lids in the course of this admirwe be immersed in the electrodeposition bath.
  • This section which is inclined downwards in the conveying direction, can be followed by a horizontal path of the conveyor, which is then followed by a section which ascends in the conveying direction in order to lift the brackets with the lids out of the immersion bath.
  • the conveyor can also be guided in the area of the sink adjoining the electro-immersion bath before it leads the lid through a drying zone.
  • the stationary magnetic rail is arranged and designed so that it follows the path of the conveyor. It is therefore in the electrodeposition bath or also in the subsequent rinsing bath within the liquid and acts on the cover over the entire conveying path of the bracket or the cover attached to it; to push them against the temples.
  • the lids are in turn held on the support fingers projecting from the brackets, with three support fingers generally being sufficient to hold the lids securely in place on the brackets.
  • the pressure forces exerted by the magnetic rail on the lids can be relatively low, since the weight of the lids is only small and, even when the lids are moved through the immersion or rinsing bath, only slight forces are exerted on the lids by the relative movement in the bath will.
  • pairs of brackets are each fastened to holding rods running parallel to the supporting rods. This makes it possible to arrange several pairs of brackets next to one another and in this way to utilize the entire width of the electro-immersion bath transversely to the conveying direction of the covers to be coated.
  • brackets consist of straight rods which enclose a triangular surface and the support fingers are designed as rods projecting from the plane of the triangle at the corners thereof.
  • the aforementioned embodiment is particularly suitable for painting covers of circular cross-section.
  • the lid is attached to the respective outside of the bracket, so that the magnetic rail exerts a tensile force on the lid to be held on the bracket, by means of which the lid in turn is pressed against the outward supporting fingers of the bracket.
  • an electrically conductive conveyor is used which at the same time forms the one electrode in the region of the electro-immersion bath, while the other counter-electrode is arranged on the bottom of the pool.
  • the magnetic rail can either be attached via a continuous web on the pelvic floor or to corresponding holding devices outside the pelvis, or it can be held using individual supports.
  • the magnetic rail is expediently designed as a permanent magnet and can therefore consist in a simple manner of individual sections lined up.
  • the drawing shows a device for implementing the new method in a schematic representation.
  • the electro-diving pool 1 is designed in the form of a trough and equipped on its bottom with an electrode 2 shown in dashed lines.
  • a conveyor 3 shown by a dash-dotted line, which is continuously driven in the direction of arrow 4, and which is designed for example as a chain conveyor and also serves as an electrode.
  • the electrode 2 which extends along the bottom of the basin 1, is connected to one pole 5 and the conveyor 3 to the other pole 6 of a direct current source 7.
  • the conveyor 3 is equipped with transverse to the conveying direction support rods 8, which are held and arranged between or below the individual conveyor members so that they do not hinder the leadership of the conveyor 3 around pulleys.
  • protruding bracket arrangements 9 are attached from the underside, which serve to receive finished covers 10, which are provided with an incision or punching or punching the cover mirror to form a tear-open.
  • covers 10 are shown only schematically in the figures and without reproducing the prepared or completed tear-open openings.
  • the conveyor 3 has above the electro-immersion basin 1 a section 3a inclined in the conveying direction and a central section running parallel and above the liquid level 18 as well as a rising section 3b adjoining in the conveying direction.
  • the bracket arrangements 9 held on the support rods 8 with the lids 10 held thereon enter the electro-immersion liquid and are lifted out of the immersion liquid again in the region of the rising section 3b.
  • Bracket arrangements 9 can be seen particularly clearly from FIGS. 2 to 4.
  • a number of in the longitudinal direction of the support rods 8 Bracket arrangements 9 can be provided, which must have such a distance that the lids 10 can be held in mirror image on both sides of the brackets.
  • the brackets 11 and 12 of the bracket pairs are each equipped with outwardly pointing support fingers 15 which, in the example shown, project at the corners of the brackets 12 and 13 each enclosing a triangle.
  • the upper support fingers 15 are formed by extensions of the support rods 13.
  • a stationary magnetic rail 16 which extends parallel to the conveyor 3 and extends between the brackets of the pairs arranged in series and which is in the basin 1 either by means of an insulated web 17 projecting to the bottom (Fig. 3) or is held by means of spaced supports.
  • the magnetic rail 16 consists of a permanent magnetic material. It can consist of individual sections which follow the conveying path of the brackets 11 and 12 in rows and are arranged such that they always extend between the brackets 11 and 12 of each pair.
  • the lid 10 When electrodeposition by passing the lid 10 through the electrodeposition bath 1, the lid 10 is coated all around, with the exception of those points at which the supporting fingers 15 engage the rollers 10a of the lid 10. These relatively small supporting surfaces of the curls 10a, however, lie in the area of the lid which is covered by the sealant when the sealant is later introduced into the curls and when the lid 10 is connected to a container opening into the interior of the between the lid and the opening edge of the container fold seam to be formed comes to rest. This practically completely eliminates the risk of corrosion in these uncoated areas. On the other hand, all other surface areas of the lid, in particular also the cut edges, are fully coated in one operation when the lid 10 is conveyed through the electrodeposition bath 1.
  • the further conveyance of the cover 10 by a rinsing bath arranged downstream of the electro-immersion bath can be carried out in the same way as is described in connection with FIG. 1.
  • the magnetic rail 16 also extends through the subsequent rinsing bath and is also continued beyond the rinsing bath through the drying zone, so that the cover 10 on the bracket arrangements 9 until the drying process is completed due to the magnetic forces acting on them the bracket assemblies 9 are held.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Coating Apparatus (AREA)
  • Closures For Containers (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Road Signs Or Road Markings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Closing Of Containers (AREA)

Claims (3)

1. Dispositif pour la fabrication de couvercles ar- rachables qui sont constitués par un matériau ferromagnétique à paroi mince mis en forme par découpage et emboutissage profond et comprenant un rebord périphérique, et qui comportent un vernissage sur toute leur surface et une rayure ou un estampage, respectivement, ou une découpure, pour la formation de l'ouverture arrachable, cependant que, dans le cas d'un découpage de l'ouverture arrachable, celle-ci peut être munie d'une feuille arrachable de recouvrement pouvant être scellée qui est de préférence une feuille aluminium-matière plastique, caractérisé par le fait qu'il est prévu, au-dessus d'un bain électrolytique d'immersion (1), un transporteur (3) sur la longueur duquel sont maintenues des armatures (11, 12) qui sont disposées par paires, à distance les unes des autres dans le sens transversal par rapport au déplacement, et en étant alignées dans la direction longitudinale du transporteur, qui plongent temporairement dans la cuve du fait du guidage du transporteur, et qui sont munies, pour chaque paire, de doigts d'appui (15) en saillie en sens opposés et transversaux par rapport à la direction de deplacement, lesquels sont destinés à venir en contact avec les rebords (10a) de couvercles (10) pouvant être suspendus symétriquement à chaque paire d'armatures, le plan de leur surface s'étendant en direction verticale, et par le fait que, pour chaque rangée de paires d'armatures, il est prévu un rail magnétique fixe (16) qui s'étend parallèlement au transporteur et entre les armatures des paires disposées en rangées.
2. Dispositif selon la revendication 1, caractérisé par le fait que chaque paire d'armatures est fixée à une tringle de retenue (13) qui s'étend parallèlement à une barre porteuse (8).
3. Dispositif selon la revendication 1 ou 2, caractérisé par le fait que les armatures (11, 12) sont constituées par de tiges droites qui entourent une surface triangulaire, et que les doigts d'appui (15) sont réalisés sous la forme de tiges disposées aux sommets du triangle et en saillie à partir de son plan.
EP86105698A 1985-05-02 1986-04-24 Appareillage pour la fabrication de couvercles arrachables Expired EP0205822B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86105698T ATE45599T1 (de) 1985-05-02 1986-04-24 Vorrichtung zur herstellung von aufreissdeckeln.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3515672 1985-05-02
DE19853515672 DE3515672A1 (de) 1985-05-02 1985-05-02 Verfahren und vorrichtung zur herstellung von aufreissdeckeln

Publications (3)

Publication Number Publication Date
EP0205822A2 EP0205822A2 (fr) 1986-12-30
EP0205822A3 EP0205822A3 (en) 1987-06-16
EP0205822B1 true EP0205822B1 (fr) 1989-08-16

Family

ID=6269555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86105698A Expired EP0205822B1 (fr) 1985-05-02 1986-04-24 Appareillage pour la fabrication de couvercles arrachables

Country Status (6)

Country Link
US (2) US4731171A (fr)
EP (1) EP0205822B1 (fr)
AT (1) ATE45599T1 (fr)
CA (1) CA1282284C (fr)
DE (2) DE3515672A1 (fr)
DK (1) DK163048C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10250471B3 (de) * 2002-10-30 2004-04-01 Lindal Ventil Gmbh Anlage zur Antikorrosionsbehandlung von Ventiltellern für Spenderbehälter

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4908153A (en) * 1988-05-06 1990-03-13 Service Tool Die & Mfg. Company Transport apparatus for electrocoating machines
KR930005013B1 (ko) * 1990-03-16 1993-06-11 다이도 메탈 고오교오 가부시기가이샤 이분할 슬라이딩 베어링의 표면 처리방법 및 장치
GB2246790B (en) * 1990-08-10 1993-07-07 Process Automation Internation Electroplating apparatus
DE4243795A1 (de) * 1992-12-23 1994-07-07 Lechler Elring Dichtungswerke In Kraftfahrzeugen zu verwendendes Abschirmelement
EP0971051A1 (fr) 1998-07-09 2000-01-12 Giacomo Borra Dispositif pour renouveler la teinture ou vernis d'objets métalliques minces
DE19839725C1 (de) * 1998-09-01 2000-03-30 Daimler Chrysler Ag Elektrische Kontaktiereinrichtung für eine Elektrotauchlackieranlage für Fahrzeugkarosserien
ITBO20010128A1 (it) * 2001-03-09 2002-09-09 Corima Internat Machinery S R Metodo e macchina per la verniciatura di coperchi metallici
US7644678B2 (en) * 2006-03-15 2010-01-12 Stolle Machinery Company, Llc Mixing apparatus and method for the repair of can ends
US7622002B2 (en) * 2006-03-15 2009-11-24 Stolle Machinery Company, Llc Spray apparatus and method for the repair of can ends
EP2599844A1 (fr) * 2011-12-02 2013-06-05 PPG Industries Ohio Inc. Composition de revêtement pour un récipient de nourriture et boisson
EP3475453A4 (fr) 2016-06-24 2020-03-11 Enviroleach Technologies Inc. Procédés, matériaux et techniques de récupération de métaux précieux
US10781049B2 (en) * 2017-06-26 2020-09-22 David Christensen Magnetic material handler

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Publication number Priority date Publication date Assignee Title
GB435631A (en) * 1934-05-28 1935-09-25 John Kronsbein Improvements in connection with the electro-plating of metallic articles
US2448116A (en) * 1942-08-05 1948-08-31 Continental Can Co Can end treating machine
US2549927A (en) * 1945-08-04 1951-04-24 Ransburg Electro Coating Corp Electrostatic detearing apparatus
DE1801292A1 (de) * 1968-02-22 1969-09-04 Lesonal Werke Chr Lechler & So Vorrichtung zur elektrophoretischen Innenbeschichtung von Hohlkoerpern
US3575832A (en) * 1968-06-03 1971-04-20 Ford Motor Co Method for electrocoating small objects
US3510022A (en) * 1968-10-17 1970-05-05 Paul H Heller Removable tab having a protective coating
US3884344A (en) * 1970-12-18 1975-05-20 Ball Corp Article conveying system
US3759810A (en) * 1971-03-29 1973-09-18 American Can Co Roll through method for electro coating can ends
US4005000A (en) * 1973-09-17 1977-01-25 National Can Corporation Electrocoating apparatus and method
JPS51105346A (en) * 1975-01-20 1976-09-17 Nippon Steel Corp Iijiioopuntengaino denchakuhoshutosoho
JPS5933519B2 (ja) * 1977-03-11 1984-08-16 株式会社日立製作所 保持装置
DE3120880A1 (de) * 1981-05-26 1982-12-30 Jurij Ivanovič Ageev Anlage zum aufbringen eines isolierueberzugs
IT8305000V0 (it) * 1983-09-26 1983-09-26 Cefin Spa Trasportatore perfezionato per il convogliamento automatico di fascette

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10250471B3 (de) * 2002-10-30 2004-04-01 Lindal Ventil Gmbh Anlage zur Antikorrosionsbehandlung von Ventiltellern für Spenderbehälter

Also Published As

Publication number Publication date
US4752172A (en) 1988-06-21
EP0205822A3 (en) 1987-06-16
EP0205822A2 (fr) 1986-12-30
DE3515672A1 (de) 1986-11-06
DK163048B (da) 1992-01-13
CA1282284C (fr) 1991-04-02
DK163048C (da) 1992-06-09
ATE45599T1 (de) 1989-09-15
DE3665081D1 (en) 1989-09-21
DK201286A (da) 1986-11-03
US4731171A (en) 1988-03-15
DK201286D0 (da) 1986-05-01

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