EP0561344A1 - Procédé et dispositif de fermeture de bouteilles - Google Patents

Procédé et dispositif de fermeture de bouteilles Download PDF

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Publication number
EP0561344A1
EP0561344A1 EP93104266A EP93104266A EP0561344A1 EP 0561344 A1 EP0561344 A1 EP 0561344A1 EP 93104266 A EP93104266 A EP 93104266A EP 93104266 A EP93104266 A EP 93104266A EP 0561344 A1 EP0561344 A1 EP 0561344A1
Authority
EP
European Patent Office
Prior art keywords
phase
ejection
holding
capper
bottle
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
EP93104266A
Other languages
German (de)
English (en)
Other versions
EP0561344B1 (fr
Inventor
Gerhard Heudecker
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.)
Krones AG
Original Assignee
Krones AG
Krones AG Hermann Kronseder Maschinenfabrik
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 Krones AG, Krones AG Hermann Kronseder Maschinenfabrik filed Critical Krones AG
Publication of EP0561344A1 publication Critical patent/EP0561344A1/fr
Application granted granted Critical
Publication of EP0561344B1 publication Critical patent/EP0561344B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/02—Closing bottles, jars or similar containers by applying caps by applying flanged caps, e.g. crown caps, and securing by deformation of flanges
    • B67B3/10—Capping heads for securing caps
    • B67B3/12—Capping heads for securing caps characterised by being movable axially relative to cap to deform flanges thereof, e.g. to press projecting flange rims inwardly

Definitions

  • the invention relates to a method and a device for closing a bottle by deforming a crown cap placed on a bottle mouth, wherein in a positioning phase a holding element positions the crown cap on the bottle mouth, in a closing phase the crown cap is inserted through a conical entrance area into a closure end of a capper , deformed and fixed on the bottle, and an ejection element after the deformation of the crown cap pushes it out in an ejection phase from the closure end.
  • Such a method and devices for implementation are known from DE-OS 4115285 or DE-OS 2147770.
  • a plunger-type hold-down device and a spring-loaded closing element part are arranged in a closer housing.
  • the hold-down device holds the crown cap and a bottle on a carrier is positioned relative to the crown cap and a centering element.
  • the closing element part is pressed onto the hold-down device and exerts a high pressure, the so-called head pressure, on the crown cap and thus the bottle.
  • the bottle is finally pushed out of the capper.
  • a hold-down is movably mounted in a depressed part and acted upon by a spring.
  • the Hold down the bottle cap on the bottle mouth Before the closing phase, the hold-down device is fixed relative to the depressing part and both are pressed into the closer by the relative movement of the closer and the bottle.
  • a high head pressure is exerted on the crown cap by applying force to the depressed part by means of a spring.
  • the closure phase the bottle is pushed out of the capper.
  • a disadvantage of these two publications is that the pressure exerted by the closing element part or depressing part during the closing phase is generally relatively large (150 kp). To this force is added the approximately equal deformation force during the closure phase, so that during this phase the total force acting on the bottle is approximately 300 kp.
  • the holding devices for the bottles must be dimensioned accordingly to absorb this great force. Furthermore, the likelihood of bottle breakage is significantly increased. Because of the high forces that occur, the signs of wear in the holding device for the bottles and in the capper are relatively large. A sealing material inserted into the bottle cap can easily be damaged or even completely destroyed by the high pressure that occurs between the bottle mouth and bottle cap. Because of this, a tight closure of the bottle is not always guaranteed, so that the liquid in the bottle can degas or air enters the bottle, which leads to an impairment of the shelf life of the filled liquid.
  • the invention is therefore based on the object of improving a method and a device for closing a bottle of the type mentioned at the outset, so that with considerably lower pressure and during the closing phase, a secure closure of the bottle is achieved in a simple manner and with avoiding bottle breakage, with almost no head pressure becomes.
  • the bottle cap is used both in the positioning phase, in which the bottle cap is placed on a bottle and the bottle is optionally inserted in the conical entrance area, and in the closure phase, ie during the deformation of the bottle cap to fix it on the bottle the holding element is kept essentially depressurized on the bottle mouth. Only after completion or shortly before the closing phase is completed is the ejection element biased. This pushes the bottle cap almost completely out of the capper during the ejection phase. Since the pretensioning of the ejection element and the forces occurring during the closing phase are exerted essentially one after the other on the crown cap, the greatest force occurring is not given by the sum of these two forces, but rather only corresponds to the maximum closing or ejection force.
  • the holding device carrying the bottles during the closure can be designed more simply and cost-effectively. Since the force exerted on the bottles according to the invention is significantly reduced, bottle breakage occurs far less frequently. The forces occurring in the capper are also significantly reduced, so that signs of wear occur to a much lesser extent.
  • the sealing material inserted in the crown cap is exposed to lower loads due to the essentially pressure-free holding of the crown cap on the bottle mouth, so that the bottles are sealed securely and tightly. Problems with degassing the filled liquid, air entry or shortened shelf life are almost completely eliminated.
  • the holding and ejection element are movably mounted in the capper and subjected to force in the direction of the capper end.
  • the holding element is only subjected to a slight force in comparison with the ejection element. Since the holding element with the ejection element is in contact with the ejector element only essentially after the crown cap has been deformed, the two elements can only be moved together in the pretensioning phase, counter to their application of force.
  • the ejection element can also be preloaded, for example, by means of a cam roller connected to it and a corresponding guide cam, as is known for bottle fillers, bottle closers or the like.
  • the bottle and the capper move relative to one another and pretension the ejection element in the pretensioning phase.
  • the ejection element is biased directly by the relative movement of the bottle and by the bottle mouth resting on the holding element.
  • the maximum pretensioning of the ejection element is less than a maximum closing force that occurs during the closing phase.
  • the edge of the crown cap is simply flanged in the sealing end, only the friction and flaring forces occurring during this phase occurring.
  • the capper with the holding element and ejection element moves in the direction of the bottle mouth to close the bottle.
  • the bottles are set up, for example, on a bottle plate, which is arranged opposite the capper.
  • the capper is moved up and down in a known manner by cam rollers and corresponding guide curves, by pneumatic or hydraulic actuation or the like.
  • the holding element holds the bottle cap in the ready position.
  • a permanent magnet can be arranged in the holding end of the holding element.
  • the holding element and the ejection element are arranged essentially one behind the other in the closer.
  • the positioning and closing phase essentially only the holding element is displaced in the closer, while both the holding element and the extending element are displaced in the pretensioning phase.
  • a small force is applied to the holding element in the direction of the bottle mouth by a holding spring element.
  • This can be arranged, for example, between the holding and ejection element, so that the holding spring element is compressed at least during the closing phase by the movement of the holding element, as a result of which the ejection element is acted upon by force.
  • an ejection spring element is arranged in the closer, which acts upon the ejection element in the direction of the holding element.
  • the retaining spring element is compressed until it comes into contact with the ejection element in the pretensioning phase and pretensions it against the force of the ejection spring element.
  • the spring constant of the retaining spring element is considerably lower than the spring constant of the ejection spring element.
  • the force required to eject the closed bottle from the capper is simple determined by the fact that after the end of the pretension phase Ejection element rests on a rear wall of a capper housing opposite the bottle mouth.
  • the holding and ejecting element can only be inserted into the closer so far that the ejecting element lies against the rear wall. This results in a very low overall height of the capper.
  • a large number of corresponding cappers can be arranged in a circle and rotatable about the center of the circle, the bottles 1 being transferred to a bottle plate or similar holding devices for bottles by means of an inlet star.
  • the capper 7 has an essentially cylindrical capper housing 15. This is closed opposite the bottle 1 by a rear wall 14.
  • the housing has a first section 20 and a second section 21 in the longitudinal direction 19 of the housing.
  • a holding element 4 is arranged in the first section and an ejection element 8 is arranged in the second section.
  • the transition region 22 between the first and second sections is designed as a peripheral shoulder 23, the first section 20 having a smaller inner diameter than the second section 21.
  • the holding element 4 is essentially cylindrical, its outer diameter being somewhat smaller than the inner diameter of the first section 20. With its lower holding end 25, the holding element 4 bears against an upper side 18 of a crown cap 3. This has an outwardly projecting edge 11, which loosely rests against a conical input region 5 of a capper end 6 of the capper 7 assigned to the bottle 1 and is thus positioned.
  • the capping end 6 On one side of the bottle 1, the capping end 6 has a stop 33, which adjoins the conical entrance area 5 in the direction of the longitudinal axis 19.
  • a holding spring 12 is arranged in receptacles 27 and 28, respectively.
  • the receptacle 27 is arranged concentrically in the holding element 4 and the receptacle 28 concentrically in the ejection element 8 each symmetrically to the longitudinal axis 19.
  • the open end of the receptacle 27 is surrounded by a radially extending flange 24. This lies on the peripheral shoulder 23 in the positioning phase shown in FIG.
  • the receptacle 28 of the extension element 8 likewise has at its open end a radially extending flange 30 to which a sleeve 31 arranged concentrically to the longitudinal axis 19 is connected. With its free end, this stands on the circumferential shoulder 23.
  • the outer diameter of the radial flange 24 of the holding element 4 is slightly smaller than the inner diameter of the sleeve 31, the outer diameter of which is somewhat smaller than the inner diameter of the second section 21 of the closer housing 15.
  • the radial flanges of the ejection element 8 and the holding element 4 lie at a distance of 16 from one another.
  • the outer diameter of the cylindrical ejection element body 29 is approximately equal to the outer diameter of the holding element 4 mounted in the first section of the capper 7.
  • the receptacles 27 and 28 each have a conically widening extension at their open end.
  • a preloaded spring 13 is arranged between the radial flange 30 and the rear wall 14 concentrically with the ejection element body 29. This acts on the ejection element 8 in the direction of the holding element 4.
  • the ejection element 8 is arranged at a distance 35 from the rear wall 14, so that a free space 34 is formed.
  • a permanent magnet 26 arranged to hold the crown cap 3 in the positioning phase.
  • FIG. 2 shows the capper 7 before the start of the pretensioning phase.
  • the same reference numerals as in Fig.1 denote the same components, so that they are only partially mentioned.
  • the crown cap 3 By moving the capper 7 in the direction 36, the crown cap 3 is pushed into the entrance area 5 along the conical surface 32.
  • the conical surface 32 can also be rounded. It forms the closing cone and merges into a cylindrical surface 52.
  • the holding element 4 is correspondingly inserted in the direction of the ejection element 8.
  • the radial flange 24 of the holding element 4 is lifted off the peripheral shoulder 23 and bears against the radial flange 30 of the ejection element 8.
  • the distance 16 shown in Fig.1 between the radial flange 24 and the radial flange 30 corresponds essentially to the height 17 of the conical surface 32, so that the edge 11 of the crown cap 3 is largely flanged through the conical entrance area towards the bottle 1, but not yet completely has penetrated into the cylindrical surface 52.
  • the spring 12 in the receptacles 27 and 28 is partially compressed, while the spring 13 is in its initial position corresponding to the representation in FIG. 1, so that the distance 35 between the extension element 8 and the rear wall 14 in FIG. 1 and FIG. 2 is the same .
  • the held bottle 1 pushes the holding element 4 together with the extension element 8 into contact with the rear wall 14.
  • the sleeve 31 is arranged at a distance 37 from the peripheral shoulder 23. Both spring 12 and spring 13 are compressed compared to the illustration in FIG. 1.
  • the crown cap 3 sits completely within the cylindrical surface 52 and is finally deformed.
  • Ejection element 8 is arranged at a distance from the rear wall 14, the sleeve 31 not yet standing on the peripheral shoulder 23. Radial flange 24 of the holding element 4 and radial flange 30 of the ejection element 8 are in contact.
  • the edge 11 of the crown cap 3 stands in the transition area between the cylindrical surface 52 and the conical surface 32.
  • FIG. 5 shows the capper 7 in a position corresponding to FIG. 1 after the closing process has been completed.
  • the crown cap 3 is fixed on the bottle 1 by deformation.
  • Both the holding element 4 and the ejection element 8 are in contact with the peripheral shoulder 23 with their radial flange 24 or sleeve 31.
  • the radial flanges of the holding element 4 and the ejection element 8 are arranged at a distance of 16.
  • Ejection element 8 is arranged at a distance 35 from the rear wall 14.
  • the springs 12 and 13 are in the state shown in Fig.1.
  • the crown cap 3 is arranged in the region of the conical surface 32, the edge 11 no longer being in contact with the conical surface, and is therefore completely expelled.
  • a force-displacement diagram is shown in FIG.
  • the path of the capper 7 is shown on the x-axis and the force acting on the bottle 1 is shown on the y-axis.
  • Curve 39 represents the sum of the forces occurring on the basis of curves 40, 41 and 42.
  • Curve 40 corresponds to the force applied by spring 12 assigned to holding element 4.
  • the curve 41 corresponds to the force applied by the spring 13 assigned to the ejection element 8.
  • the curve 42 corresponds to the frictional force or deformation force occurring in the capper 7 during the movement of the crown cap.
  • the frictional force increases to its maximum value 43.
  • the edge 11 of the crown cap 3 is flanged to such an extent that the frictional force decreases at point 46 until the crown cap is finally deformed.
  • the maximum 43 of the friction force 42 corresponds to the maximum 10 of the total force 39.
  • the capper moves further in the direction 36 the restoring force 41 of the spring 13 is generated from the starting point 44. This restoring force is added below with the restoring force 40 and the friction force 42 to the total force 39.
  • the direction of movement 36 of the capper 7 is reversed in the direction of movement 38. This corresponds to the point of reversal 45 or the maximum 9 in FIG. the maximum preload.
  • the maximum preload 9 is less than the maximum closing force 10.
  • the restoring force 41 decreases, the state shown in FIG. 4 corresponding to the end 48 of the friction force 42. In this case, the edge 11 of the crown cap 3 is no longer in contact with the entrance area of the capper 7, so that no more frictional forces occur.
  • the spring 13 of the ejection element 8 is further relieved until the sleeve 31 is again in contact with the peripheral shoulder 23, which in FIG. 6 corresponds to the end 49 of the restoring force 41 acting on the crown cap.
  • the rest of the diagram between points 49 and 50 essentially corresponds to the lowering of the holding element 4 until its edge flange 24 abuts the peripheral shoulder 23.
  • the force-path diagram clearly shows that the maximum force 10 acting on the crown cap essentially corresponds to the maximum friction force 43.
  • the maximum preload 9 is significantly less than the maximum closing force 10.
  • the sum 39 of the forces is also less than or at most equal to the maximum closing force 10.
  • the distance between the starting point 51 and the reversal point 45 is approximately 9 mm in the exemplary embodiment shown.
  • the maximum closing force 10 is approximately 150 kp.
  • the maximum preload 9 and the maximum closing force 10 are not added by the successive execution of the closure phase and the preload phase, so that a considerably smaller force acts on the bottle during the closure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Jars (AREA)
  • Closing Of Containers (AREA)
  • Closures For Containers (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
EP93104266A 1992-03-17 1993-03-16 Procédé et dispositif de fermeture de bouteilles Expired - Lifetime EP0561344B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4208440A DE4208440A1 (de) 1992-03-17 1992-03-17 Verfahren und vorrichtung zum verschliessen einer flasche
DE4208440 1992-03-17

Publications (2)

Publication Number Publication Date
EP0561344A1 true EP0561344A1 (fr) 1993-09-22
EP0561344B1 EP0561344B1 (fr) 1995-06-07

Family

ID=6454228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93104266A Expired - Lifetime EP0561344B1 (fr) 1992-03-17 1993-03-16 Procédé et dispositif de fermeture de bouteilles

Country Status (10)

Country Link
US (1) US5375394A (fr)
EP (1) EP0561344B1 (fr)
JP (1) JP2799123B2 (fr)
KR (1) KR950013559B1 (fr)
CN (1) CN1103741C (fr)
AT (1) ATE123473T1 (fr)
BR (1) BR9301206A (fr)
CA (1) CA2091721A1 (fr)
DE (2) DE4208440A1 (fr)
ES (1) ES2073942T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998055389A1 (fr) * 1997-06-06 1998-12-10 Sasib S.P.A. Procede servant a traiter des gaz de combustion
WO2010072283A1 (fr) * 2008-12-15 2010-07-01 Khs Ag Dispositif et procédé de fermeture de récipients au moyen d'un élément de fermeture

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5897137A (en) * 1997-10-07 1999-04-27 Trw Inc. Technique for detecting a leak of air bag inflation gas from a storage chamber
CN104444982A (zh) * 2013-09-17 2015-03-25 山东穆拉德生物医药科技有限公司 一种石榴汁灌装机抓瓶盖装置
CA3188750A1 (fr) * 2020-09-21 2022-03-24 Ferrum Packaging Ag Ensemble arbre de pliage pour un appareil de fermeture

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9108960U1 (de) * 1991-07-20 1991-09-19 Krones Ag Hermann Kronseder Maschinenfabrik, 8402 Neutraubling Verschließer für Gefäßabfüllanlagen
DE4115285A1 (de) * 1990-07-10 1992-01-16 Seitz Enzinger Noll Masch Verschliesselement fuer eine verschliessmaschine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2017411A (en) * 1932-12-29 1935-10-15 Liquid Carbonic Corp Bottle crowner
US2108932A (en) * 1933-11-04 1938-02-22 Gerh Arehns Mek Verkst Ab Method of and apparatus for applying closure caps to receptacles
US2498443A (en) * 1948-11-29 1950-02-21 Antonio C Naccarato Bottle capping machine
US3075331A (en) * 1960-08-19 1963-01-29 Kartridg Pak Co Crimping apparatus for sealing caps to containers
US3308604A (en) * 1965-03-10 1967-03-14 Crown Cork & Seal Co Crowning head
NL155515C (fr) * 1966-12-15 American Flange & Mfg
US3461649A (en) * 1967-05-31 1969-08-19 Crown Cork & Seal Co Capping apparatus for accommodating bottles with and without bumper rolls
NL162347C (nl) * 1970-09-24 1980-05-16 Simonazzi Spa A & L Machine voor het aanbrengen van sluitingen op houders, zoals flessen.
US3889451A (en) * 1974-06-05 1975-06-17 Aluminum Co Of America Capping spindle for securing closures on containers
DE2722254C3 (de) * 1977-05-17 1980-08-07 Seitz-Werke Gmbh, 6550 Bad Kreuznach Flaschenverschließmaschine umlaufender Bauart
JPH0311754U (fr) * 1989-06-20 1991-02-06

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115285A1 (de) * 1990-07-10 1992-01-16 Seitz Enzinger Noll Masch Verschliesselement fuer eine verschliessmaschine
EP0470360A2 (fr) * 1990-07-10 1992-02-12 KHS Maschinen- und Anlagenbau Aktiengesellschaft Organe de bouchage pour machine à capsuler
DE9108960U1 (de) * 1991-07-20 1991-09-19 Krones Ag Hermann Kronseder Maschinenfabrik, 8402 Neutraubling Verschließer für Gefäßabfüllanlagen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998055389A1 (fr) * 1997-06-06 1998-12-10 Sasib S.P.A. Procede servant a traiter des gaz de combustion
US6374576B1 (en) 1997-06-06 2002-04-23 Sasib S.P.A. Capping method and capping apparatus, in particular for capping containers with crown caps
WO2010072283A1 (fr) * 2008-12-15 2010-07-01 Khs Ag Dispositif et procédé de fermeture de récipients au moyen d'un élément de fermeture
US8869497B2 (en) 2008-12-15 2014-10-28 Khs Gmbh Device and method for closing containers having a closure

Also Published As

Publication number Publication date
CN1079941A (zh) 1993-12-29
ES2073942T3 (es) 1995-08-16
KR950013559B1 (ko) 1995-11-09
KR930019546A (ko) 1993-10-18
ATE123473T1 (de) 1995-06-15
DE4208440A1 (de) 1993-09-23
JPH0664686A (ja) 1994-03-08
JP2799123B2 (ja) 1998-09-17
BR9301206A (pt) 1993-09-21
CN1103741C (zh) 2003-03-26
DE59300242D1 (de) 1995-07-13
US5375394A (en) 1994-12-27
EP0561344B1 (fr) 1995-06-07
CA2091721A1 (fr) 1993-09-18

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