EP1029613A1 - Fabrication de collerettes a partir d'ebauches sans perte de materiel - Google Patents

Fabrication de collerettes a partir d'ebauches sans perte de materiel Download PDF

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Publication number
EP1029613A1
EP1029613A1 EP00107477A EP00107477A EP1029613A1 EP 1029613 A1 EP1029613 A1 EP 1029613A1 EP 00107477 A EP00107477 A EP 00107477A EP 00107477 A EP00107477 A EP 00107477A EP 1029613 A1 EP1029613 A1 EP 1029613A1
Authority
EP
European Patent Office
Prior art keywords
tool
ring
blank
cylindrical
segment
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
Application number
EP00107477A
Other languages
German (de)
English (en)
Other versions
EP1029613B1 (fr
Inventor
Wolfgang Peter
Hans Hartzung
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.)
Trivium Packaging Group Netherlands BV
Original Assignee
Impress GmbH and Co OHG
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 Impress GmbH and Co OHG filed Critical Impress GmbH and Co OHG
Publication of EP1029613A1 publication Critical patent/EP1029613A1/fr
Application granted granted Critical
Publication of EP1029613B1 publication Critical patent/EP1029613B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B21D53/00—Making other particular articles
    • B21D53/16—Making other particular articles rings, e.g. barrel hoops
    • B21D53/18—Making other particular articles rings, e.g. barrel hoops of hollow or C-shaped cross-section, e.g. for curtains, for eyelets
    • 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
    • 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

Definitions

  • the technical field of the invention is the method for forming metallic ones Lid rings, which are rounder or non-round for placing and flanging on a container Nature are needed.
  • Such cover rings are made of flat in the prior art Stamped out of sheet metal, with a round blank being formed in the middle, representing waste; only the cover ring is required for the further production of the container.
  • the invention is based on the creation of a cylinder ring which has not yet been completely shaped (Ring blank), which arises from a can body, manufactured with a pull-in tool or a telescopic tool (claim 7). Also a step tool can be used to form the ring blank.
  • the can body is made from one Sheet cutout shaped into a round or non-round design.
  • Cylinder segments are closed under a ring blank in the sense of the description understand that are not necessarily circular, but clearly in the axial direction have extending wall height.
  • a cylinder in the sense of the description also understood a non-round cylinder, which is oval, with a clear extension of the Wall in the axial direction.
  • the cylinder segment is put together into a group of several ring-shaped tool segments introduced and axially moved downwards (Claim 1) to reshape it in a radial direction via a deflecting cliff, where it to a radially inwardly deformed and extending in the radial direction Lid ring will.
  • the deflection via a deflection cliff (claim 2) is such that the downward / inward deformed cylinder segment is pressed into a gap that is from an upper and an underlying tool segment is defined.
  • the forming process forms the cylindrical blank (in circular up to oval base shape) into a flat ring blank, which is also in one Upward gear of another ring stamp with an erected ring wall Receives inner roll.
  • a cylindrical recess in the outer tool segment is on the basic shape adapted to the cylindrical blank. It can also be an oval Have basic shape, but with an axially clear extension to the cylindrical Pick up blank and move it down.
  • the recess is in hers radial extension adapted to the thickness of the cylinder segment to be formed.
  • FIG. 1 or 2 it should be noted that the pulling or pulling process is stopped shortly before its end (approximately 80% to 95% before the end of the last reducing process) in order not to retract the diameter of the upper edge 40a of the fuselage to 2 ⁇ r 1 .
  • the edge region 40a remains as a blank cover ring VR when it is severed at T (dividing line).
  • the dismantled fuselage 30/40 in the remaining fuselage 30 and cover ring blank 40 is illustrated in FIG. 3 .
  • the dividing line T which is shown both in FIG. 1 and in FIG. 2, corresponds to the circular or oval basic shape of the container 30. The separation takes place in FIG.
  • the separation takes place from above or below at the dividing line T, the last reduction process, for example in the case of production with a telescopic tool, or the last step of a step tool not being completed, so that the cylindrical blank is located above the fuselage 30 remains while he remained next to the fuselage in Figure 1, but in both versions with a larger diameter than the finished reduced fuselage.
  • the further processing of the ring blank 3 to a finished cover ring 4 can both by a single-stage tool 5 as well as by a multi-stage tool.
  • the first stage is from Figure 6a, 6b, 6c
  • the second stage is from Figure 7, the third stage 8a and 8b.
  • the transfer between the stations takes place e.g. B. via a gripper transport.
  • the Function and mode of operation will be explained using the examples below Tool designs explained and supplemented.
  • Figures 5a to 5e show the operation of the single-stage tool.
  • the ring VR separated from the can is placed mechanically or by hand on part 5 from FIG. 5a.
  • the tool parts 2, 3 and 4 are moved into the ring by the machine stroke and form a gap S of 0.8 ⁇ sheet thickness to the parts 5, 6 and 7.
  • the parts remain in this position until the shoulder 1 a of the punch 1 den
  • the sheet metal ring has been inserted radially v 0 'to such an extent that the sheet metal ring VR, 10 has reached the horizontal position in FIG. 5b .
  • Part 1 remains in this position by placing it on one Attack.
  • Parts 3 and 4 have a hold-down force on parts 6 and 7 acting on.
  • v denotes directions of movement (oriented at speeds), the "deleted" quantities v 0 ', v 1 ', v 2 'being radial components of the sheet metal and the "non-deleted” quantities v 0 , v 1 , v 2 , v 3 axial movements of the tool.
  • sheet metal is drawn in the direction v 2 'and the ring wall 20d is set up.
  • the parts 2 and 3 following parts 5 and 6 press the set-up 20d of the cover ring into the rolling groove 4a of the rolling ring 4. Since the forces of parts 5 and 6 and of the counteracting rolling ring 4 are greater than the deformation resistance of the Sheet metal material, an inner roller 20e of the cover ring is formed by the ripening of the cover ring assembly in the roll groove 4a of the roll ring 4. After completion of the stroke, the cover ring has taken the form of Figure 5e . The part 3 is then relieved of force, the parts 1, 2 and 5 move back into the starting position. When the tool is moved apart, the ring shown in FIG. 4 is ejected.
  • FIGS . 6a, 6b, 6c, 7 and 8.8a represent the manufacture of the cover ring in three or in several possible operations. The manufacture can take place both on individual presses and on step or transfer presses.
  • the ring (FIG. 3, top) separated from the can (according to FIG. 1 or FIG. 2) is fed to the tool station (FIG. 6a) and positioned on part 5.
  • part 2 is initially centered on the inner region 40b of the sheet metal ring 100.
  • part 2 and part 5 (without sheet metal) form a gap of 0.8 sheet thickness.
  • part 1 passes over the outer region 40a of the sheet metal ring 100 and pushes the ring with the shoulder 10 through the part 5 which is subjected to a holding-down force and which forms a gap S ⁇ sheet thickness with part 2 up to the inside diameter of the finished cover ring.
  • the sheet metal ring 100 then has the shape of FIG . 6b .
  • the punch 8 simultaneously reaches its end position and, with its cutting edge 12, squeezes the sheet metal into the recess provided for it approximately to a depth of 0.5 ⁇ sheet thickness over the cutting edge 11 of part 7.
  • part 1 By placing part 1 on the heel 5x of part 5, part 5 is pressed down.
  • Part 2 follows part 5 with the hold-down force applied. Because the sheet metal ring is clamped in the area of the cutting edges 11, 12, the pushing process changes into a pulling process during the continued stroke. As a result, the set-up 13 for the following inner roll of the sheet metal ring 100 according to FIG. 6c is achieved.
  • the preformed sheet metal ring 100 is transported into the trimming station and placed on the lifting ring 6 '.
  • the shaped ring 2 and the holding-down ring 9a bring the preformed sheet metal ring 100 into position so that the subsequent punch 8 'can cut off the inner edge 100r via the cutting punch 9b.
  • An inner cutting edge 100k remains. The separated ring 100r is removed by the lower tool.
  • the trimmed sheet metal ring according to FIG. 7 is then transported to the finishing station of FIG. 8 and placed on the parts 5 'and 6' which are flush with the top.
  • the parts 2 'and 3' coming from top to bottom during the press stroke are also flush when viewed from below and center with the inside dimension of part 3 'over the outside dimension of the set-up 13 of the sheet metal ring 100. If the set-up 13 inside via part 7 outside is fully centered, part 6 'remains on a stop, part 3' springs back on the sheet metal ring 100 and part 6 'during the further tool descent. Part 5 'then forms the edge of the sheet metal ring 14 via the sheet metal holder 2' to the bottom dead center of the press.
  • This multi-stage production is for cover rings with a wider radial flange 20c particularly suitable.
  • the invention comprises a method for forming metallic cover rings (20; 20a, 20b, 20c, 20d, 20e) with an open interior (21) and an annular profiled edge (20a, 20b, 20c, 20e).
  • a cylindrical blank (10, VR) which is formed by separating (T) from a not completely formed lower part (30), is in a concentric arrangement of several ring-shaped tool segments (1 to 7) from an outer (1) of the tool segments (1 to 7 ) shifted axially downward (v 0 ). It is shaped into a radial direction (v 0 ') by means of an annular deflecting cliff (5a) of a tool segment (5) lying radially further inward, of the concentric combination of several tool segments (1 to 7).
  • An upper tool segment (2) is held above the deflecting cliff (5a) in order to define a gap (S) into which the radially inwardly deformed (v 0 ') blank (10; VR; HR) is pressed.
  • the waste inside (21) of the resulting cover ring (20) is avoided.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Closures For Containers (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Wrappers (AREA)
  • Packaging For Recording Disks (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Mechanical Operated Clutches (AREA)
  • Making Paper Articles (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Table Devices Or Equipment (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processing Of Solid Wastes (AREA)
  • Gloves (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Fluid-Damping Devices (AREA)
EP00107477A 1996-06-24 1997-06-20 Fabrication de collerettes a partir d'ebauches sans perte de materiel Expired - Lifetime EP1029613B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19625174A DE19625174B4 (de) 1996-06-24 1996-06-24 Deckelringfertigung ohne Rondenverschnitt
DE19625174 1996-06-24
EP97929130A EP0921878B1 (fr) 1996-06-24 1997-06-20 Realisation de bords annulaires de couvercles sans production de dechets ronds

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP97929130A Division EP0921878B1 (fr) 1996-06-24 1997-06-20 Realisation de bords annulaires de couvercles sans production de dechets ronds

Publications (2)

Publication Number Publication Date
EP1029613A1 true EP1029613A1 (fr) 2000-08-23
EP1029613B1 EP1029613B1 (fr) 2009-08-26

Family

ID=7797812

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00107477A Expired - Lifetime EP1029613B1 (fr) 1996-06-24 1997-06-20 Fabrication de collerettes a partir d'ebauches sans perte de materiel
EP97929130A Expired - Lifetime EP0921878B1 (fr) 1996-06-24 1997-06-20 Realisation de bords annulaires de couvercles sans production de dechets ronds

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97929130A Expired - Lifetime EP0921878B1 (fr) 1996-06-24 1997-06-20 Realisation de bords annulaires de couvercles sans production de dechets ronds

Country Status (13)

Country Link
EP (2) EP1029613B1 (fr)
AT (2) ATE199335T1 (fr)
AU (1) AU3335397A (fr)
CZ (1) CZ293371B6 (fr)
DE (3) DE19625174B4 (fr)
DK (2) DK1029613T3 (fr)
EE (1) EE03811B1 (fr)
ES (2) ES2157076T3 (fr)
HU (1) HU223260B1 (fr)
NO (1) NO311412B1 (fr)
PL (1) PL186886B1 (fr)
PT (2) PT1029613E (fr)
WO (1) WO1997049510A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1375025A1 (fr) * 2002-06-27 2004-01-02 Alcan Technology & Management AG Procédé de réalisation d' un corps de boíte et d' un bord annulaire de couvercle
WO2005063587A1 (fr) 2003-12-29 2005-07-14 Crown Packaging Technology, Inc Contenant
WO2021176112A1 (fr) * 2020-03-04 2021-09-10 Auxiliar Conservera S.A. Procédé de fabrication conjointe de boîte métallique et son couvercle avec membrane central détachable

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19837779A1 (de) * 1998-08-20 2000-03-02 Vaw Ver Aluminium Werke Ag Verfahren zur Herstellung eines verschließbaren Behälters
DE10022553C1 (de) * 2000-05-10 2001-07-05 Rasselstein Hoesch Gmbh Verfahren zum Herstellen eines Ringteils aus Blech für einen Dosendeckel
EP1439014B1 (fr) * 2003-01-16 2005-11-23 Alcan Technology & Management Ltd. Procédé de fabrication d'une collerette pour un couvercle de boíte
DE10338445B4 (de) 2003-08-19 2007-02-08 IMPRESS Metal Packaging S.A., Crosmières Deckelring mit geneigtem Flachsteg
WO2010094780A1 (fr) * 2009-02-20 2010-08-26 Crown Packaging Technology, Inc. Panneau d'extrémité métallique muni d'un orifice
EP2825334B1 (fr) * 2011-04-20 2021-09-08 Crown Packaging Technology, Inc. Procédé pour former un profil dans un anneau métallique
GB2528289A (en) 2014-07-16 2016-01-20 Kraft Foods R&D Inc A die-cut lid and associated container and method
CN116394002B (zh) * 2023-02-23 2023-09-15 深圳市永义模具有限公司 一种成型后自动抛光的组合模具

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR620920A (fr) * 1926-06-04 1927-05-02 Procédé pour la fabrication de fermetures de boîtes
FR769264A (fr) * 1933-05-20 1934-08-23 Procédé de fabrication perfectionné des fermetures de boîtes métalliques, et fermetures obtenues par ce procédé
CH300541A (fr) * 1951-03-28 1954-08-15 Eadie Bros & Co Limited Procédé de fabrication d'un anneau pour métier à anneau, et anneau obtenu par ce procédé.
GB2022474A (en) * 1978-06-06 1979-12-19 Alusuisse Manufacture of colosure rings for can ends
DE2933547A1 (de) * 1979-07-26 1981-03-12 Schweizerische Aluminium AG, 3965 Chippis Verfahren zur herstellung eines deckelringes und eines deckels.
EP0090957A2 (fr) * 1982-04-05 1983-10-12 Sandherr Packungen AG Couvercle pour boîtes stérilisables
EP0408268A2 (fr) * 1989-07-10 1991-01-16 CarnaudMetalbox plc Procédé et appareil pour la fabrication d'un anneau d'une fermeture pour un récipient

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202057C (fr) *
US3787960A (en) * 1971-10-28 1974-01-29 Gen Motors Corp Process for manufacturing curved channeled members
DE3418307A1 (de) * 1984-05-17 1985-11-21 Koppy Corp., Ferndale, Mich. Verfahren zum herstellen einer duennwandigen, ringkanalfoermigen schale und vorrichtung zum durchfuehren des verfahrens
DE4332306A1 (de) * 1993-09-23 1995-03-30 Rasselstein Ag Verfahren zur Herstellung eines leicht zu öffnenden Dosendeckels aus Blech

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR620920A (fr) * 1926-06-04 1927-05-02 Procédé pour la fabrication de fermetures de boîtes
FR769264A (fr) * 1933-05-20 1934-08-23 Procédé de fabrication perfectionné des fermetures de boîtes métalliques, et fermetures obtenues par ce procédé
CH300541A (fr) * 1951-03-28 1954-08-15 Eadie Bros & Co Limited Procédé de fabrication d'un anneau pour métier à anneau, et anneau obtenu par ce procédé.
GB2022474A (en) * 1978-06-06 1979-12-19 Alusuisse Manufacture of colosure rings for can ends
DE2933547A1 (de) * 1979-07-26 1981-03-12 Schweizerische Aluminium AG, 3965 Chippis Verfahren zur herstellung eines deckelringes und eines deckels.
EP0090957A2 (fr) * 1982-04-05 1983-10-12 Sandherr Packungen AG Couvercle pour boîtes stérilisables
EP0408268A2 (fr) * 1989-07-10 1991-01-16 CarnaudMetalbox plc Procédé et appareil pour la fabrication d'un anneau d'une fermeture pour un récipient

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1375025A1 (fr) * 2002-06-27 2004-01-02 Alcan Technology & Management AG Procédé de réalisation d' un corps de boíte et d' un bord annulaire de couvercle
WO2004002649A1 (fr) * 2002-06-27 2004-01-08 Alcan Technology & Management Ltd. Procede de production d'un corps de boite et d'une bague de couvercle
WO2005063587A1 (fr) 2003-12-29 2005-07-14 Crown Packaging Technology, Inc Contenant
US7526938B2 (en) 2003-12-29 2009-05-05 Crown Packaging Technology, Inc. Can manufacture
WO2021176112A1 (fr) * 2020-03-04 2021-09-10 Auxiliar Conservera S.A. Procédé de fabrication conjointe de boîte métallique et son couvercle avec membrane central détachable

Also Published As

Publication number Publication date
EP1029613B1 (fr) 2009-08-26
HUP9903163A2 (hu) 2000-02-28
DK1029613T3 (da) 2009-12-21
PT921878E (pt) 2001-08-30
CZ426398A3 (cs) 1999-08-11
DE19625174A1 (de) 1998-01-08
ATE440687T1 (de) 2009-09-15
WO1997049510A1 (fr) 1997-12-31
PT1029613E (pt) 2009-11-23
EE03811B1 (et) 2002-08-15
HU223260B1 (hu) 2004-04-28
ATE199335T1 (de) 2001-03-15
ES2332700T3 (es) 2010-02-11
NO986029D0 (no) 1998-12-21
PL330919A1 (en) 1999-06-07
NO986029L (no) 1999-02-24
AU3335397A (en) 1998-01-14
PL186886B1 (pl) 2004-03-31
DE19625174B4 (de) 2008-05-15
DE59713015D1 (de) 2009-10-08
HUP9903163A3 (en) 2000-06-28
ES2157076T3 (es) 2001-08-01
EP0921878B1 (fr) 2001-02-28
CZ293371B6 (cs) 2004-04-14
EP0921878A1 (fr) 1999-06-16
EE9800440A (et) 1999-06-15
NO311412B1 (no) 2001-11-26
DK0921878T3 (da) 2001-06-11
DE59703067D1 (de) 2001-04-05

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