EP0882650B1 - Method of connecting a packaging container body with a cover member - Google Patents
Method of connecting a packaging container body with a cover member Download PDFInfo
- Publication number
- EP0882650B1 EP0882650B1 EP98202364A EP98202364A EP0882650B1 EP 0882650 B1 EP0882650 B1 EP 0882650B1 EP 98202364 A EP98202364 A EP 98202364A EP 98202364 A EP98202364 A EP 98202364A EP 0882650 B1 EP0882650 B1 EP 0882650B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- free end
- region
- edge region
- edge
- closure
- 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 - Lifetime
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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
- 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
- B21D51/2653—Methods or machines for closing cans by applying caps or bottoms
- B21D51/2661—Sealing or closing means therefor
-
- 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
- B21D51/30—Folding the circumferential seam
- B21D51/34—Folding the circumferential seam by pressing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
- B65B7/2842—Securing closures on containers
- B65B7/285—Securing closures on containers by deformation of the closure
- B65B7/2857—Securing closures on containers by deformation of the closure and the container rim
-
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0225—Removable lids or covers without integral tamper element secured by rotation
- B65D43/0229—Removable lids or covers without integral tamper element secured by rotation only on the inside, or a part turned to the inside, of the mouth of the container
-
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0235—Removable lids or covers with integral tamper element
- B65D43/0285—Removable lids or covers with integral tamper element secured by rolling or other plastic deformation before removal of the tamper element
- B65D43/0287—Removable lids or covers with integral tamper element secured by rolling or other plastic deformation before removal of the tamper element only on the outside, or a part turned to the outside, of the mouth of the container
- B65D43/0295—Removable lids or covers with integral tamper element secured by rolling or other plastic deformation before removal of the tamper element only on the outside, or a part turned to the outside, of the mouth of the container leaving only an inside friction after removal of the tamper element
-
- 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
- B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
- B65D45/32—Clamping or other pressure-applying devices for securing or retaining closure members for applying radial or radial and axial pressure, e.g. contractible bands encircling closure member
-
- 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
- B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
- B65D7/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls
- B65D7/34—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls with permanent connections between walls
- B65D7/36—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls with permanent connections between walls formed by rolling, or by rolling and pressing
-
- 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
- B65D2401/00—Tamper-indicating means
- B65D2401/15—Tearable part of the closure
- B65D2401/25—Non-metallic tear-off strips
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00064—Shape of the outer periphery
- B65D2543/00074—Shape of the outer periphery curved
- B65D2543/00092—Shape of the outer periphery curved circular
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00259—Materials used
- B65D2543/00277—Metal
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00342—Central part of the lid
- B65D2543/00398—Reinforcing ribs in the central part of the closure
- B65D2543/00416—Reinforcing ribs in the central part of the closure circular
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
- B65D2543/00509—Cup
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
- B65D2543/00546—NO contact
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00953—Sealing means
- B65D2543/00962—Sealing means inserted
- B65D2543/00972—Collars or rings
Definitions
- the invention relates to a method according to the preamble of the claim 1.
- CH patent 642 316 A5 the applicant results in a very secure closure of the packaging container.
- a circlip is used.
- the known packaging container is not yet for use for the hazardous goods area according to the UN. This applies in particular to low-viscosity dangerous goods.
- a closing tool is known per se from CH 391 570 A. which the upper edge areas of an opening in the lid of a steel drum on the one hand and a closing member on the other hand without using a Circlips should be tightly connected. To these edge areas are initially hooked together parallel to the axis (Fig. 4). The edge areas are then driven by radially Cheek segments above and below an axially middle one, not too expanding ring zone expanded at an angle to the outside (Fig. 5). Once the closure member is open, the Do not close the opening again.
- the invention has for its object the security of the closure Increase packaging containers so that they also pass the type examination with UN approval marking.
- This object is characterized by the features of claim 1 solved. This has the particular advantage that an additional Circlip is unnecessary and still a positive lock is achieved.
- the closure element can easily from the lower part be removed.
- the packaging container resealable.
- the closure element is in again depressed the receiving opening of the lower part.
- the closure element can be removed particularly easily.
- the tongue can e.g. with pliers or a special one Keys are easily gripped and the end section is torn off.
- This support effect is achieved according to claim 8 especially when Loads to be expected preferably from the radially outer side are.
- Fig. 1 shows a part of a packaging container 1 with a lower part 2, whose upper opening 3 is sealed by a closure element 4 shall be.
- the lower part 2 and the closure element 4 are made made of tinplate from e.g. 0.31mm thickness.
- a first edge area 5 of the lower part 2 should have a second edge area 6 of the closure element 4 are tightly connected.
- an angle 9 of e.g. 3 to 5 ° In the initial state exists between a first wall 7 of the first edge region 5 and a second wall 8 of the second edge region 6 an angle 9 of e.g. 3 to 5 °.
- the angle 9 facilitates the insertion of the one hand Closure element 4 in the opening 3, as shown in Fig. 1, and on the other hand enables the closure elements 4 to be stacked one inside the other during storage and transportation.
- a first free end region 10 of the first edge region 5 is as one External rolling trained.
- a free end 11 of the outside curl lies opposite a radially outer section 12 of the outer curl.
- a second free end region adjoins the second wall 8 at the top 13 of the second edge region 6.
- the second free end region 13 ends in a curl 14 and carries an annular seal 15 which with the first free end portion 10 cooperates sealingly.
- the closure element 4 is either manually or automatically in the opening 3 placed, as shown in Fig. 1. Then with an annular Press tool 18 an axial pressure force 19 to the sufficient Sealing compression of the ring seal 15 on an upper edge of the second free end region 13. As a result, the second Wall 8 is pushed a little deeper into opening 3 than this can be seen in Fig. 1. The first free end area is pressed 10 correspondingly deeper into the ring seal 15.
- the positive locking has come about according to FIG. that the first free end region 10 has moved in full over the free end 40.
- 1 is also an effective axial length 38 of the expanding tool 22 shown.
- the second becomes free End region 13 by a radially arranged, annular Bracket 39 supported.
- the counterholder 39 is in this case as lower extension of the pressing tool 18 is formed and remains stationary, as long as the expanding tool 22 is used for expansion. While this expanding, the free end 40 of the second free roll End region 13 increasingly until it is the first free end region 10 for axially positive locking.
- the positive locking shown in Fig. 2 can be canceled by the free end 40 in that at least one the first free end region 10 axially aligned under portion 41 of the second free end portion 13 from the rest of the second free end portion 13 is separated.
- This is free in the second End area 13 is provided with a scoring line 42 running around the entire circumference.
- the end section 41 is provided with a tongue 43, the gripped with pliers or a key and to the starting point of tearing off the end portion 41 can be made.
- FIGS. 3 and 4 The exemplary embodiment according to FIGS. 3 and 4 is similar to that of FIG. 1 and 2.
- the free end 40 has a circumferential provided lower extension 44.
- the lower extension 44 will expand supported by a longitudinally divided annular counter-holder 45 and shaped so that at the end of the expansion it is bandaged on the radially outer side 23 of the first wall 7 abuts. This final state is shown in Fig. 4.
- the longitudinally divided annular counter-holder 45 preferably closes 3 at the bottom of the counter-holder 39 and is in the directions a double arrow 46 movable transversely to the longitudinal axis of the packaging container 1.
- Fig. 7 illustrates how the individual segments of the expanding tool 22 with a radial groove 28 on a radial guide ring 29 of the Pressing tool 18 are guided. So the segments of the expanding tool 22 in the directions of a double arrow 30 in the radial Direction to expand and move back to its rest position. This movement takes place through a central cone 31, the outer surface of which with a complementary sloping surface 32 of each segment of the Expanding tool 22 cooperates.
- the cone 31 is parallel to Longitudinal axis of the packaging container 1 in the directions a double arrow 34 driven in a manner not shown in detail.
- the tools 18 and 22 and the cone 31 can be parallel to the longitudinal axis of the packaging container 1 in the directions of a double arrow 35 as a unit be moved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Cartons (AREA)
- Package Closures (AREA)
- Closing Of Containers (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren nach dem Oberbegriff des Anspruchs 1.The invention relates to a method according to the preamble of the claim 1.
Bei einem bekannten Verfahren dieser Art (CH-Patentschrift 642 316 A5 der Anmelderin) ergibt sich grundsätzlich ein sehr sicherer Verschluß des Verpackungsbehälters. Es wird ein Sicherungsring verwendet. Der bekannte Verpackungsbehälter ist jedoch noch nicht zur Verwendung für den Gefahrgutbereich gemäß UN geeignet. Dies gilt insbesondere für dünnflüssige Gefahrgüter.In a known method of this type (CH patent 642 316 A5 the applicant) results in a very secure closure of the packaging container. A circlip is used. The known packaging container is not yet for use for the hazardous goods area according to the UN. This applies in particular to low-viscosity dangerous goods.
Aus der DE 36 24 769 A1 ist es an sich bekannt, einen im Querschnitt im wesentlichen rechteckigen, schalenförmigen Behälter mit einem sich nach außen erstreckenden Umfangsflansch durch einen blattförmigen, ebenen Deckelzuschnitt aus einer Metallfolie zu verschließen. Dies geschieht mit einem in mehrere bewegliche Sektionen unterteilten Bördelrahmen. Mit den Sektionen wird der Rand des Deckelzuschnitts um den Umfangsflansch gebördelt. Dabei liegt ein Werkzeugoberteil auf dem Deckel abschnitt auf. Jede Sektion ist mit einem Gelenkviereck an einem stationären Halteteil angelenkt. Eine untere, hakenartige Bördelkante jeder Sektion wird bei einer axialen Verschließbewegung des Werkzeugs im Bogen von außen nach innen geführt und vollendet dabei die Randbördelung.From DE 36 24 769 A1 it is known per se, one in cross section essentially rectangular, bowl-shaped container with a outwardly extending circumferential flange through a leaf-shaped, to seal the flat lid blank from a metal foil. this happens with a crimp frame divided into several movable sections. With the sections, the edge of the lid blank is around the Flanged peripheral flange. There is an upper tool part on the Cover section open. Each section is with a quadrilateral at one stationary holding part articulated. A lower, hook-like flange each section is in an axial closing movement of the tool guided in a curve from the outside inwards and thereby completes the edging.
Aus der CH 391 570 A ist ein Verschließwerkzeug an sich bekannt, mit dem die oberen Randbereiche einer Öffnung im Deckel einer Stahltrommel einerseits und eines Verschließorgans andererseits ohne Verwendung eines Sicherungsrings dicht miteinander verbunden werden sollen. Dazu verlaufen diese Randbereiche ineinandergehakt zunächst achsparallel (Fig. 4). Die Randbereiche werden sodann durch radial antreibbare Backensegmente oberhalb und unterhalb einer axial mittleren, nicht zu expandierenden Ringzone unter einem Winkel nach außen expandiert (Fig. 5). Wenn das Verschließorgan einmal geöffnet ist, kann die Öffnung damit nicht wieder verschlossen werden.A closing tool is known per se from CH 391 570 A. which the upper edge areas of an opening in the lid of a steel drum on the one hand and a closing member on the other hand without using a Circlips should be tightly connected. To these edge areas are initially hooked together parallel to the axis (Fig. 4). The edge areas are then driven by radially Cheek segments above and below an axially middle one, not too expanding ring zone expanded at an angle to the outside (Fig. 5). Once the closure member is open, the Do not close the opening again.
Aus der US 4 820 100 A ist es an sich bekannt, einen kreiszylindrischen Rumpf durch eine Verschließeinheit einer Verschließmaschine (Fig. 1) mit einem Boden über einen Doppelfalz lose zu verschließen. Der Boden wird mit einer ersten Innenanrollung angeliefert und in eine Formausnehmung eines glockenförmigen Formwerkzeugs eingebracht. Sodann werden Formsegmente in der Formausnehmung radial nach außen bis in eine Betriebsendstellung gegenüber der ersten Innenanrollung bewegt (Fig. 4). Danach wird der Rumpf axial über den Boden gepreßt und durch das stationäre Formwerkzeug mit einer sich in die erste Innenanrollung des Bodens lose einrollenden zweiten Innenanrollung versehen (Fig. 5). Schließlich werden die Formsegmente radial nach innen zurückbewegt, damit die Dose aus der Maschine entnommen werden kann (Fig. 6). Der lose Doppelfalz wird erst in einer der Maschine nachgeschalteten Station (Fig.7) mit einem Rollenpaar dichtgepreßt.From US 4,820,100 A it is known per se to have a circular cylindrical shape Fuselage through a capping unit of a capping machine (Fig. 1) to loosely close with a bottom over a double fold. The floor is delivered with a first internal roll and in one Form recess of a bell-shaped mold introduced. Then are shaped segments in the mold recess radially outwards into an operating end position moves relative to the first internal roll (Fig. 4). Then the fuselage is pressed axially over the floor and through the stationary mold with one in the first internal curl of the floor with the second inner curl loosely rolling in (Fig. 5). Finally, the mold segments are moved radially inwards, so that the can can be removed from the machine (Fig. 6). The loose double fold is only connected in a machine Station (Fig. 7) tightly pressed with a pair of rollers.
Aus der GB-Patentschrift 357 558 ist es an sich bekannt, die Ränder
einer Behälteröffnung und eines in die Behälteröffnung eingesetzten,
tassenförmigen Deckels durch gemeinsame Expansion formschlüssig miteinander
zu verbinden. Radial außerhalb der Ränder befindet sich ein
längsgeteilter, aus Sektoren zusammengesetzter Gegenhaltering mit radial
innen eingeformten Umfangsrillen. Innerhalb der Ränder ist ein
Gummiring angeordnet. Der Gummiring sitzt auf einer Stange, die unterhalb
des Gummirings einen Teller trägt. Auf der Oberseite des Gummirings
liegt ein Drückring, der mit einer oberen Buchse auf der Stange
geführt ist. Eine axiale Annäherung des Tellers und des Drückrings hat
zur Folge, daß der Gummiring radial nach außen expandiert und dabei
die Ränder in die Rillen des Gegenhalterings preßt. Wenn die Verbindung
dicht werden soll, wird zwischen die Ränder Wachs eingebracht.From GB
Der Erfindung liegt die Aufgabe zugrunde, die Verschlußsicherheit der Verpackungsbehälter so zu erhöhen, daß diese auch die Baumusterprüfung mit UN-Zulassungskennzeichnung bestehen. The invention has for its object the security of the closure Increase packaging containers so that they also pass the type examination with UN approval marking.
Diese Aufgabe ist durch die Merkmale des Anspruchs 1 gelöst. Hier ergibt sich der besondere Vorteil, daß ein zusätzlicher Sicherungsring entbehrlich ist und dennoch eine formschlüssige Verriegelung erreicht wird.This object is characterized by the features of claim 1 solved. This has the particular advantage that an additional Circlip is unnecessary and still a positive lock is achieved.
Gemäß Anspruch 2 ergibt sich eine besonders weitgehende formschlüssige
Verriegelung.According to
Die Merkmale des Anspruchs 3 führen zu einer zusätzlichen Versteifung
des Verschlußbereichs, wenn dies erforderlich ist.The features of
Gemäß Anspruch 4 kann das Verschlußelement auf einfache Weise vom Unterteil
abgenommen werden. Auch in diesem Fall ist der Verpackungsbehälter
wiederverschließbar. Dazu wird das Verschlußelement wieder in
die Aufnahmeöffnung des Unterteils eingedrückt.According to
Gemäß Anspruch 5 läßt sich das Verschlußelement besonders leicht entfernen.
Die Zunge kann z.B. mit einer Zange oder einem speziellen
Schlüssel ohne weiteres ergriffen und der Endabschnitt abgerissen werden. According to
Gemäß Anspruch 6 erhält man eine erhebliche zusätzliche Versteifung
des Verschlußbereichs. Außerdem kann sich der freie Rand des zweiten
Randbereichs des Verschlußelements während des Expandierens besonders
zwängungsfrei ausformen.According to
Gemäß Anspruch 7 ergibt sich in der Außenanrollung ein erheblicher
Stützeffekt mit entsprechender Formstabilität unter Last.According to
Dieser Stützeffekt wird gemäß Anspruch 8 besonders dann erzielt, wenn
Belastungen vorzugsweise von der radial äußeren Seite zu erwarten
sind. This support effect is achieved according to
Die Merkmale jedes der Ansprüche 9 und 10 führen zu einer erheblichen
zusätzlichen Versteifung des Verschlußbereichs und wirken unzulässigen
Verformungen des Verschlußbereichs im Test- oder Betriebsfall
entgegen.The features of each of
Diese und weitere Merkmale und Vorteile der Erfindung werden nachfolgend
anhand der in den Zeichnungen dargestellten Ausführungsbeispiele
näher erläutert. Es zeigt:
Fig. 1 zeigt einen Teil eines Verpackungsbehälters 1 mit einem Unterteil
2, dessen obere Öffnung 3 durch ein Verschlußelement 4 dicht verschlossen
werden soll. Das Unterteil 2 und das Verschlußelement 4 bestehen
aus Weißblech von z.B. 0,31 mm Dicke. Fig. 1 shows a part of a packaging container 1 with a
Ein erster Randbereich 5 des Unterteils 2 soll mit einem zweiten Randbereich
6 des Verschlußelements 4 dicht verbunden werden. Im Ausgangszustand
besteht zwischen einer ersten Wand 7 des ersten Randbereichs 5
und einer zweiten Wand 8 des zweiten Randbereichs 6 ein Winkel 9 von
z.B. 3 bis 5°. Der Winkel 9 erleichtert einerseits das Einsetzen des
Verschlußelements 4 in die Öffnung 3, wie in Fig. 1 dargestellt, und
ermöglicht andererseits das Ineinanderstapeln der Verschlußelemente 4
während Lagerung und Transport.A
Ein erster freier Endbereich 10 des ersten Randbereichs 5 ist als eine
Außenanrollung ausgebildet. Ein freies Ende 11 der Außenanrollung
liegt einem radial äußeren Abschnitt 12 der Außenanrollung gegenüber.A first
An die zweite Wand 8 schließt sich oben ein zweiter freier Endbereich
13 des zweiten Randbereichs 6 an. Der zweite freie Endbereich 13 endet
in einer Anrollung 14 und trägt eine Ringdichtung 15, die mit dem ersten
freien Endbereich 10 abdichtend zusammenwirkt.A second free end region adjoins the
Das Verschlußelement 4 wird
entweder von Hand oder automatisch so in der Öffnung 3
plaziert, wie dies Fig. 1 zeigt. Sodann wird mit einem ringförmigen
Drückwerkzeug 18 eine axiale Druckkraft 19 bis zur ausreichenden
Dichtkompression der Ringdichtung 15 auf einen oberen Rand
des zweiten freien Endbereichs 13 ausgeübt. Dies hat zur Folge, daß die zweite
Wand 8 noch etwas tiefer in die Öffnung 3 hineingedrückt wird, als
dies in Fig. 1 zu sehen ist. Dabei drückt sich der erste freie Endbereich
10 entsprechend tiefer in die Ringdichtung 15 ein. The
Sodann wird mit einer radial inneren Seite 21 des zweiten Randbereichs
6 ein Expandierwerkzeug 22 (s.auch Fig. 3) in Berührung gebracht. Dies geschieht
dadurch, daß über den Umfang verteilte, im einzelnen nicht gezeichnete
Segmente des Expandierwerkzeugs 22 radial nach außen bewegt
werden. Dadurch werden der erste 5 und der zweite Randbereich 6 gemeinsam
expandiert, bis eine formschlüssige Verriegelung erreicht ist. Während
dieses Expandierens wird die axiale Druckkraft 19 aufrechterhalten, so
daß sich der zweite freie Endbereich 13 in der in Fig. 2 ersichtlichen
Weise zunehmend um den ersten freien Endbereich 10 herumlegt und damit
die Abdichtung vervollständigt. In dem Endzustand gemäß Fig. 2 hat
sich eine radial äußere Seite 23 der ersten Wand 7 gegen einen als Anschlag
wirkenden, radial inneren Rand 24 eines freien Endes 40 der zweiten freien Endbereichs
13 gelegt.Then with a radially
Die formschlüssige Verriegelung ist gemäß Fig. 2 dadurch zustande gekommen,
daß sich während der Expansion der erste freie Endbereich 10
in vollem Umfang über das Freie Ende 40 bewegt hat. The positive locking has come about according to FIG.
that the first
In Fig. 1 ist auch eine wirksame axiale Länge 38 des Expandierwerkzeugs
22 eingezeichnet.1 is also an effective
In allen Zeichnungsfiguren sind gleiche Teile mit gleichen Bezugszahlen versehen.In all drawing figures there are the same parts with the same reference numbers Mistake.
Bei dem Ausführungsbeispiel nach Fig. 1 und 2 wird der zweite freie
Endbereich 13 durch einen radial außerhalb angeordneten, ringförmigen
Gegenhalter 39 abgestützt. Der Gegenhalter 39 ist in diesem Fall als
unterer Fortsatz des Drückwerkzeugs 18 ausgebildet und bleibt stationär,
solange mit dem Expandierwerkzeug 22 expandiert wird. Während
dieses Expandierens rollt sich das freie Ende 40 des zweiten freien
Endbereichs 13 zunehmend ein, bis es den ersten freien Endbereich 10
zur formschlüssigen Verriegelung axial fluchtend untergriffen hat. 1 and 2, the second becomes free
Dieser Zustand ist in Fig. 2 gezeigt. Dabei ist das Einrollen des
freien Endes 40 so weit getrieben, daß das freie Ende 40 einerseits unten
an dem freien Endbereich 10 und andererseits an der radial äußeren
Seite 23 der ersten Wand 7 anliegt.This state is shown in Fig. 2. The curling up of the
Wenn das Verschlußelement 4 von dem Unterteil 2 wieder abgenommen werden
soll, kann die aus Fig. 2 ersichtliche formschlüssige Verriegelung
durch das freie Ende 40 dadurch aufgehoben werden, daß zumindest ein
den ersten freien Endbereich 10 axial fluchtend untergreifender Endabschnitt
41 des zweiten freien Endbereichs 13 von dem Rest des zweiten
freien Endbereichs 13 abgetrennt wird. Dazu ist in dem zweiten freien
Endbereich 13 eine um den gesamten Umfang umlaufende Ritzlinie 42 vorgesehen.
Außerdem ist der Endabschnitt 41 mit einer Zunge 43 versehen,
die mit einer Zange oder einem Schlüssel ergriffen und zum Ausgangspunkt
des Abreißens des Endabschnitts 41 gemacht werden kann.When the
Das Ausführungsbeispiel gemäß den Fig. 3 und 4 ähnelt dem der Fig. 1
und 2. In den Fig. 3 und 4 ist das freie Ende 40 mit einem umlaufenden
unteren Fortsatz 44 versehen. Der untere Fortsatz 44 wird beim Expandieren
durch einen längsgeteilten ringförmigen Gegenhalter 45 so abgestützt
und geformt, daß er am Ende der Expansion bandagenartig an der
radial äußeren Seite 23 der ersten Wand 7 anliegt. Dieser Endzustand
ist in Fig. 4 dargestellt.The exemplary embodiment according to FIGS. 3 and 4 is similar to that of FIG. 1
and 2. In FIGS. 3 and 4, the
Der längsgeteilte ringförmige Gegenhalter 45 schließt sich vorzugsweise
gemäß Fig. 3 unten an den Gegenhalter 39 an und ist in den Richtungen
eines Doppelpfeils 46 quer zu der Längsachse des Verpackungsbehälters 1 bewegbar.The longitudinally divided annular counter-holder 45 preferably closes
3 at the bottom of the counter-holder 39 and is in the directions
a
Die Ausführungsform nach Fig. 5 und 6 entspricht derjenigen
nach Fig. 1 und 2. Allerdings ist
während der Expansion gemäß Fig.6 an ein axial äußeres Ende 26
der zweiten Wand 8 eine sich über das äußere Ende 26 hinaus radial
nach innen erstreckende Sicke 27 angeformt worden. Die Sicke 27 versteift
den zweiten Randbereich 6 und gestattet dem zweiten freien Endbereich
13 eine optimale Formgestaltung innerhalb des
durch das Drückwerkzeug 18 und den Gegenhalter 39
definierten Ringraums.5 and 6 corresponds to that
1 and 2. However
during the expansion according to FIG. 6 to an axially
Fig. 7 verdeutlicht, wie die einzelnen Segmente des Expandierwerkzeugs
22 mit einer radiaTen Nut 28 auf einem radialen Führungsring 29 des
Drückwerkzeugs 18 geführt sind. So können sich die Segmente des Expandierwerkzeugs
22 in den Richtungen eines Doppelpfeils 30 in radialer
Richtung zum Expandieren und wieder zurück in ihre Ruhestellung bewegen.
Diese Bewegung erfolgt durch einen mittigen Konus 31, dessen Außenfläche
mit einer komplementären Schrägfläche 32 jedes Segments des
Expandierwerkzeugs 22 zusammenwirkt. Der Konus 31 wird parallel zur
Längsachse des Verackungsbehälters 1 in den Richtungen
eines Doppelpfeils 34 in im einzelnen nicht dargestellter Weise angetrieben.
Die Werkzeuge 18 und 22 sowie der Konus 31 können parallel
zur Längsachse des Verpackungsbehälters 1 in den Richtungen eines Doppelpfeils 35 als Einheit
bewegt werden.Fig. 7 illustrates how the individual segments of the expanding
Claims (10)
- Method of sealingly connecting a first edge region (5) of a lower part (2) of a packaging container (1) consisting of sheet metal to a second edge region (6) of a closure element (4) consisting of sheet metal,wherein the second edge region (6) supports an annular seal (15) which cooperates with the first edge region (5),and wherein, within the annular seal (15), a first wall (7) of the first edge region (5) and a second wall (8) of the second edge region (6) lie opposite each other,(a) placing the closure element (4) with the annular seal (15) on the first edge region (5),(b) exerting on the second edge region (6) an axial pressure force (19) by means of a pressure tool (18) until the annular seal (15) is compressed in a sufficiently sealed manner,(c) contacting an expanding tool (22) with a radially inner side (21) of the second edge region (6), and(d) expanding the first (5) and the second edge regions (6) as one by means of the expanding tool (22) until a positively locking closure arrangement is achieved, with the first and second walls (7,8) being held substantially parallel to a longitudinal axis of the packaging container (1),(A) In step (d) a second free and region (13) of the second edge region (6) is supported and deformed, and(B) the deformation according to step (A) is continued, until a free end (40) of the second free end region (13) has moved in axial alignment under a first free end region (10) of the first edge region (5) in order to achieve a positive locking closure.
- Method according to claim 1,
characterised in that the deformation according to step (B) is continued, until the free end (40) abuts on the one hand against a lower part of the first free end region (10) and on the other hand against a radially outer side (23) of the first wall (7). - Method according to claim 1 or 2,
characterised in that a lower extension (44) of the free end (40) is so supported and deformed by a longitudinally divided, annular counterholding member (45) that, at the end of the expansion, the lower extension abuts binding-like against a radially outer side (23) of the first wall (7). - Method according to one of claims 1 to 3,
characterised in that, for removing the closure element (4) from the lower part (2), the positive locking closure is released by severing at least an end section (41) of the second free end region (13), which is axially alignedly reaching under the first free end region (10). - Method according to claim 4,
characterised in that the end section (41) is severed along a weakening line (42) in the second free end region (13) via a tongue (43). - Method according to one of claims 1 to 5,
characterised in that in step (d) there is formed on an axially outer end (26) of the second wall (8) a bead (27) which extends radially inwardly beyond the outer end (26). - Method according to one of claims 1 to 6,
characterised in that prior to step (a) the first free end region (10) is formed as an outwardly rolled region of at least 360°. - Method according to claim 7,
characterised in that a free end (11) of the outwardly rolled region (10) is opposite a radially outer section (12) of the outwardly rolled region (10). - Method according to one of claims 1 to 8,
characterised in that the ratio V = (nominal diameter of the packaging container (1)) : (effective axial length (38) of the expanding tool 22)) is made 15 to 25. - Method according to claim 9,
characterised in that the ratio V is made 18 to 22.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19618310 | 1996-05-08 | ||
DE19618310A DE19618310A1 (en) | 1996-05-08 | 1996-05-08 | Method for connecting a lower part of a packaging container to a closure element |
EP97106215A EP0806345B1 (en) | 1996-05-08 | 1997-04-16 | Method of connecting a packaging container body with a cover member |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97106215A Division EP0806345B1 (en) | 1996-05-08 | 1997-04-16 | Method of connecting a packaging container body with a cover member |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0882650A1 EP0882650A1 (en) | 1998-12-09 |
EP0882650B1 true EP0882650B1 (en) | 2000-11-29 |
Family
ID=7793596
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98202364A Expired - Lifetime EP0882650B1 (en) | 1996-05-08 | 1997-04-16 | Method of connecting a packaging container body with a cover member |
EP97106215A Expired - Lifetime EP0806345B1 (en) | 1996-05-08 | 1997-04-16 | Method of connecting a packaging container body with a cover member |
EP98202363A Expired - Lifetime EP0882649B1 (en) | 1996-05-08 | 1997-04-16 | Method of connecting a packaging container body with a cover member |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97106215A Expired - Lifetime EP0806345B1 (en) | 1996-05-08 | 1997-04-16 | Method of connecting a packaging container body with a cover member |
EP98202363A Expired - Lifetime EP0882649B1 (en) | 1996-05-08 | 1997-04-16 | Method of connecting a packaging container body with a cover member |
Country Status (5)
Country | Link |
---|---|
EP (3) | EP0882650B1 (en) |
AT (3) | ATE197782T1 (en) |
DE (4) | DE19618310A1 (en) |
DK (2) | DK0882649T3 (en) |
ES (1) | ES2134043T3 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19834365A1 (en) * | 1998-07-30 | 2000-02-10 | Crown Cork & Seal Tech Corp | Connecting process for closing packing container consisting of a lower part and a sheet closing element involves bringing expanding roll into contact with inside of edge and expanding by continuing relative rotation |
DE19981971D2 (en) * | 1998-10-05 | 2001-04-12 | Anne Bodenschatz | Hand-held container |
BRPI0900157A2 (en) * | 2009-01-08 | 2010-10-26 | Brasilata Sa Embalagens Metalicas | process for closing a foil container |
WO2015120286A1 (en) | 2014-02-07 | 2015-08-13 | Ball Corporation | Metallic container with a threaded closure |
AU2019374778B2 (en) | 2018-11-05 | 2022-09-15 | Ball Corporation | Metallic container with a threaded closure |
CN114040822A (en) * | 2019-06-26 | 2022-02-11 | 鲍尔公司 | Method and apparatus for sealing metal containers using metal end closures |
JP2023523996A (en) * | 2020-04-28 | 2023-06-08 | アトキンズ ニュークリア セキュアード ホールディングス コーポレーション | Container closure device and method of operation |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB357558A (en) * | 1930-05-16 | 1931-09-16 | Herbert Maclean Ware | Improvements in and relating to means for securing flexible carton lids and the like purposes |
CH391570A (en) * | 1963-03-12 | 1965-04-30 | American Flange & Mfg | Container having an opening in a wall and a member for closing said opening and method for its manufacture |
FR2248097A1 (en) * | 1973-10-19 | 1975-05-16 | Ferembal Sa | Lid crimping appts. for metal containers - ram and rotary disc operates linkage to radially move pairs of crimping jaws |
CH642316A5 (en) * | 1980-01-17 | 1984-04-13 | Vogel Bmw Ag | Process for closing a filled container by means of a lid |
DE3341962A1 (en) * | 1983-11-21 | 1985-05-30 | Niko 2807 Achim Russopulos | Extra-fine sheet metal container provided with a lid, and method and device for securing the lid on said extra-fine sheet metal container |
DE3624769A1 (en) * | 1985-07-23 | 1987-01-29 | Wagner Wilhelm Wiwa | Device for the closing of containers |
-
1996
- 1996-05-08 DE DE19618310A patent/DE19618310A1/en not_active Withdrawn
-
1997
- 1997-04-16 DK DK98202363T patent/DK0882649T3/en active
- 1997-04-16 ES ES97106215T patent/ES2134043T3/en not_active Expired - Lifetime
- 1997-04-16 EP EP98202364A patent/EP0882650B1/en not_active Expired - Lifetime
- 1997-04-16 AT AT98202364T patent/ATE197782T1/en not_active IP Right Cessation
- 1997-04-16 DE DE59701758T patent/DE59701758D1/en not_active Expired - Lifetime
- 1997-04-16 DE DE59702685T patent/DE59702685D1/en not_active Expired - Lifetime
- 1997-04-16 AT AT98202363T patent/ATE193254T1/en not_active IP Right Cessation
- 1997-04-16 AT AT97106215T patent/ATE182539T1/en not_active IP Right Cessation
- 1997-04-16 DK DK97106215T patent/DK0806345T3/en active
- 1997-04-16 EP EP97106215A patent/EP0806345B1/en not_active Expired - Lifetime
- 1997-04-16 EP EP98202363A patent/EP0882649B1/en not_active Expired - Lifetime
- 1997-04-16 DE DE59700277T patent/DE59700277D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0882649B1 (en) | 2000-05-24 |
DE59702685D1 (en) | 2001-01-04 |
EP0882649A1 (en) | 1998-12-09 |
EP0882650A1 (en) | 1998-12-09 |
DK0882649T3 (en) | 2000-08-28 |
ATE182539T1 (en) | 1999-08-15 |
ES2134043T3 (en) | 1999-09-16 |
ATE193254T1 (en) | 2000-06-15 |
EP0806345B1 (en) | 1999-07-28 |
DE19618310A1 (en) | 1997-11-20 |
ATE197782T1 (en) | 2000-12-15 |
DE59701758D1 (en) | 2000-06-29 |
DK0806345T3 (en) | 1999-11-29 |
EP0806345A1 (en) | 1997-11-12 |
DE59700277D1 (en) | 1999-09-02 |
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