EP0252345A2 - Procédé et dispositif pour ouvrir ou soulever les capuchons de fermeture d'ajustage ou tuyaux de sacs flexibles - Google Patents

Procédé et dispositif pour ouvrir ou soulever les capuchons de fermeture d'ajustage ou tuyaux de sacs flexibles Download PDF

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Publication number
EP0252345A2
EP0252345A2 EP87108727A EP87108727A EP0252345A2 EP 0252345 A2 EP0252345 A2 EP 0252345A2 EP 87108727 A EP87108727 A EP 87108727A EP 87108727 A EP87108727 A EP 87108727A EP 0252345 A2 EP0252345 A2 EP 0252345A2
Authority
EP
European Patent Office
Prior art keywords
cap
nozzle
filling
guide rails
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.)
Withdrawn
Application number
EP87108727A
Other languages
German (de)
English (en)
Other versions
EP0252345A3 (fr
Inventor
Wilfried Dinslage
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.)
Paul Kunz GmbH
Sieger Plastic GmbH
Original Assignee
Paul Kunz GmbH
Sieger Plastic GmbH
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 Paul Kunz GmbH, Sieger Plastic GmbH filed Critical Paul Kunz GmbH
Publication of EP0252345A2 publication Critical patent/EP0252345A2/fr
Publication of EP0252345A3 publication Critical patent/EP0252345A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/045—Methods of, or means for, filling the material into the containers or receptacles for filling flexible containers having a filling and dispensing spout, e.g. containers of the "bag-in-box"-type

Definitions

  • the invention relates to a method for opening or lifting the caps on the sockets or spouts of flexible bags, which are preferably fed to filling machines as a bag belt, the individual bag sections of which successively come under a filling device and have a filling and dispensing nozzle which is normally closed by a cap, the The neck and the cap have annular circumferential edges engaging behind one another under tension and sealing lips ensuring a tight closure, and the neck with the cap attached is guided in the direction of displacement of the bag band between parallel lateral guide rails which engage in a circumferential groove on the neck from opposite sides.
  • the invention also relates to an apparatus for performing such a method.
  • the slip caps that are clawed in their sealing position on the nozzle are pulled axially from the nozzle with an excessive mechanical force and pivoted to the side.
  • the sealing lips on the socket and on the hood are moved against each other against their claw direction and overstressed. Capillary grooves are formed and the sealing lips tear off.
  • the damaged sections of the nozzle and cap or bung and lid face each other unchanged and form fine channels through which the more or less liquid filling material can escape and air can enter the container from the outside.
  • Containers filled in this way therefore pose a potential danger to the contents of the container in the closure area under dynamic loading.
  • the invention has for its object to improve the opening or lifting of the caps during the automatic filling of flexible bags according to the preamble of claim 1 and to design so that the forces required to pull the cap from the container neck are considerably reduced to in this way to avoid damage to the interacting edges and sealing lips and edges of the closure cap and container neck.
  • closure cap is raised on one side at its edge transversely to the direction of advance of the bag band and tilted relative to the neck on the opposite side and is lifted from the neck in such an inclined position that it is transverse to the direction of advance of the band of bags
  • the nozzle is led away to the side and can be placed on the nozzle again after the filling process has been completed and sealed.
  • the invention has the advantage that the cap is not moved axially to the container neck when opening or lifting, but first tilted to the side by an angle of about 35 ° from the sealing position and then straight to the direction of advance of the flexible bag to be filled Side is led away.
  • the pull-off forces which occur here are only a small part of the loads which occur in the conventional method with an axial pull-off movement and generally move at about a fifth of these forces.
  • the forces that occur occur on a side of the closure cap opposite the tilting direction and then run in a line along the sealing strips or sealing lips to the opposite edge region between the closure cap and the connecting piece.
  • the power flow corresponds to the sequence when the cap is opened, but in the opposite direction.
  • the method according to the invention is used to open and close the closure caps 1 on nozzles or spouts 2 of flexible bags 3, which have a filling and dispensing nozzle 2 normally closed by a cap 1, the nozzle 2 and the cap 1 engaging annular circumferential edges which engage behind one another under tension 2a, 1a and sealing lips 4 which ensure a tight seal (FIG. 6).
  • the closure cap 1 is lifted on one side at its edge 1b when the container neck 2 is opened and opposite the neck 2 in the direction of arrow 5 of FIG. 2 to the opposite side so tilted and lifted from the nozzle 2 that they are then guided in this inclined position in the direction of arrow 6 transversely to the direction of advance 3a of the flexible bag 3 to be filled from the nozzle 2 to the side and after completion of the filling process in reverse order from the side to the nozzle 2 again brought up, laterally placed obliquely on the edge 7 of the nozzle 2 and then tilted down again into a full, flat surface on the upper edge 7 of the nozzle 2 and can be pressed on in an absolutely tight manner.
  • a short edge region of the socket 2 serves as a rolling edge for a raised edge, at least in the initial or final phases of the movement 1b of the closure cap 1 diametrically opposite edge region 1c.
  • the closure cap 1 is tilted when lifting up to an inclination 8 of approximately 25 to a maximum of 45 °, an inclination of preferably approximately 35 ° relative to the horizontal closure position on the socket 2 (FIG. 6) having proven to be particularly advantageous.
  • the device according to the invention is used in particular for opening and closing the closure caps 1 on the connecting piece 2 of flexible bags 3 made of plastic, which, as shown in FIG. 1, as a bag band are supplied and have at each detachable bag section a filling and dispensing nozzle 2 normally closed by a cap 1.
  • the socket 2 and the cap 1 have one another under tension behind one another annular peripheral edges 2a, 1a, and there are also provided on the sealing cap 1 sealing lips 3, which ensure an absolutely tight seal between the cap 1 and the nozzle 2.
  • the connecting piece 2 is guided below the filling tube 10 (FIG. 5) between parallel lateral guide rails 11, 12 during the supply to the filling device 9, which are also indicated by dash-dotted lines in FIGS. 2 and 3 and in engage a circumferential groove 13 on the connecting piece 2 from opposite sides transversely to the withdrawal direction (arrows 5, 6 in FIG. 3).
  • the device for opening and closing the caps 1 has a cap lifter 15 which can be moved transversely to the longitudinal extension of the guide rails 11, 12 and which can be folded about an axis 14 which is adjacent to the connecting piece 2 at approximately the height of the closure cap 1 and parallel to the guide rails 11, 12 Closure cap 1 with detachable cap clamps 16, 17 engaging behind the guide rails 11, 12 only on part of the peripheral edge of the closure cap 1.
  • the cap lifter 15 also has a lever arm 18 which projects vertically in the region of its pivot axis 14 for the attack of a pull rod drive 19 which acts in both directions.
  • This pull rod drive 19 for the cap lifter 15 consists of a three-point control with a pull rod 20 actuated by a pressure medium cylinder and two thus driven without being driven , but counter to the pulling direction 20a of the pull rod 20, spring-loaded follower rods 21, 22.
  • the pivot axis 14 for the cap lifter 15 is attached to a fork 23 connected to the two follower rods 21, 22 arranges, while the pull rod 20 is connected to the lever arm 18 projecting from the cap lifter 15 by an intermediate joint rod 24.
  • a stop block 25 for the lever arm 18 projecting from the cap lifter 15 is arranged on the fork 23 with the pivot axis 14.
  • the cap lifter 15 has a free passage cross section 15a running in the direction of the guide rails 11, 12 for the filler and drain nozzle 2 with the cap 1 in it, in which two cap clamps 16, 17 which are laterally displaceable against spring pressure are arranged, the clamping edges 16a, 17a of which extend around the circumference of the nozzle 2 are adapted and which are otherwise shaped so that they are pushed to the side by the incoming nozzle 2 with the cap 1 and close after reaching the filling position of the nozzle under spring pressure around the nozzle 2 below the cap 1.
  • the cap clamps therefore have inclined inlet edges 16b, 17b for the filler neck 2 which are directed towards one another in a funnel shape.
  • a transversely to the guide rails 11, 12 adjustable adjusting device 26 is provided with an adjusting fork 27, which bridges the space between the two guide rails 11, 12 on both sides of the filler neck 2 and the filler neck 2 after reaching the filling position of Fig. 4 detected between their fork legs and positioned exactly under the filling device 9.
  • the cap clamps 16, 17 on the cap lifter 15 are thus arranged transversely to the longitudinal center plane of the cap lifter 15 and parallel above the guide rails 11, 12 for the nozzle 2 such that the nozzle 2 both at the moment of lifting and in The moment when the closure cap 1 is replaced by the guide rails 11, 12 is held on the closure cap 1 below the engagement area of the cap clamps 16, 17.
  • the closure cap 1 which consists of a flexible plastic, is arched downward by lifting the one outer edge region through the cap clamp 17 in the longitudinal center plane of the cap lifter 15 and at the same time is stretched in an elliptical manner on its downward peripheral edges in such a way that the outer edge region 1b the closure cap 1 is moved slightly radially outward from its engagement with the socket 2 by the cap clamp 17, so that at this point it is released from its clipping with the socket 2 and can slide upwards over the outer socket edge.
  • This one-sided lifting of the closure cap 1 from the socket 2 has the result that the edge regions of the closure cap 1 and socket 2 adjoining in the direction of the pivot axis 14 of the cap lifter 15 also gradually loosen gradually from their mutual clamping without damage to the sealing lips 4 or enter the interlocking edge areas of the closure cap 1 and nozzle 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Bag Frames (AREA)
  • Sealing Of Jars (AREA)
EP87108727A 1986-07-08 1987-06-17 Procédé et dispositif pour ouvrir ou soulever les capuchons de fermeture d'ajustage ou tuyaux de sacs flexibles Withdrawn EP0252345A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3622868 1986-07-08
DE19863622868 DE3622868A1 (de) 1986-07-08 1986-07-08 Verfahren und vorrichtung zum oeffnen bzw. abheben der verschlusskappen an stutzen oder tuellen von flexiblen beuteln

Publications (2)

Publication Number Publication Date
EP0252345A2 true EP0252345A2 (fr) 1988-01-13
EP0252345A3 EP0252345A3 (fr) 1989-01-11

Family

ID=6304628

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87108727A Withdrawn EP0252345A3 (fr) 1986-07-08 1987-06-17 Procédé et dispositif pour ouvrir ou soulever les capuchons de fermeture d'ajustage ou tuyaux de sacs flexibles

Country Status (4)

Country Link
EP (1) EP0252345A3 (fr)
DE (1) DE3622868A1 (fr)
DK (1) DK347687A (fr)
PT (1) PT85265A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2773776A1 (fr) * 1998-01-21 1999-07-23 Flextainer Procede de realisation et de remplissage en continu de recipients souples, en particulier avec des liquides alimentaires, et installation pour la mise en oeuvre de ce procede
US20160145086A1 (en) * 2014-11-25 2016-05-26 The Wine Group, Inc. Cap gripper

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3930829A1 (de) * 1989-09-14 1991-03-28 Indag Gmbh Vorrichtung zum fuellen von gefalteten folienbeuteln

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851895C (de) * 1950-12-16 1952-10-09 Willy Schneiders Verfahren und Vorrichtung zum Aufsetzen der Deckel auf viereckige Kappenschachteln
US3299606A (en) * 1964-05-21 1967-01-24 Gen Films Inc Automatic filling machine
US4120134A (en) * 1977-07-05 1978-10-17 Scholle Corporation Apparatus for and method of filling flexible containers
US4510737A (en) * 1981-11-13 1985-04-16 B-Bar-B, Inc. Machine and method for filling flexible containers
US4574559A (en) * 1985-01-04 1986-03-11 Rutter Christopher C Flexible bag automatic filling and capping apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE443831C (de) * 1927-05-07 Reinhold Firnau Fa Dosenoeffner
US1152270A (en) * 1914-02-12 1915-08-31 Manlio Bianchi Receptacle-lid lifter.
DE589664C (de) * 1932-11-02 1933-12-12 Carl Graf Vorrichtung zum Halten, OEffnen und Aufstellen von Dosen aller Art
US2462387A (en) * 1944-10-31 1949-02-22 Wayne W Guffey Cover lifter
DE3151244A1 (de) * 1981-12-22 1983-06-30 Schering Ag, 1000 Berlin Und 4619 Bergkamen Vorrichtung fuer das automatische oeffnen und schliessen der deckel von transport- und behandlungstrommeln

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851895C (de) * 1950-12-16 1952-10-09 Willy Schneiders Verfahren und Vorrichtung zum Aufsetzen der Deckel auf viereckige Kappenschachteln
US3299606A (en) * 1964-05-21 1967-01-24 Gen Films Inc Automatic filling machine
US4120134A (en) * 1977-07-05 1978-10-17 Scholle Corporation Apparatus for and method of filling flexible containers
US4510737A (en) * 1981-11-13 1985-04-16 B-Bar-B, Inc. Machine and method for filling flexible containers
US4574559A (en) * 1985-01-04 1986-03-11 Rutter Christopher C Flexible bag automatic filling and capping apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2773776A1 (fr) * 1998-01-21 1999-07-23 Flextainer Procede de realisation et de remplissage en continu de recipients souples, en particulier avec des liquides alimentaires, et installation pour la mise en oeuvre de ce procede
WO2000043268A1 (fr) * 1998-01-21 2000-07-27 Flextainer (Societe Anonyme) Procede et installation permettant la realisation et le remplissage en continu de recipients souples
US20160145086A1 (en) * 2014-11-25 2016-05-26 The Wine Group, Inc. Cap gripper
US10017368B2 (en) * 2014-11-25 2018-07-10 The Wine Group, Inc. Cap gripper

Also Published As

Publication number Publication date
DK347687D0 (da) 1987-07-06
EP0252345A3 (fr) 1989-01-11
DE3622868A1 (de) 1988-01-14
DK347687A (da) 1988-01-09
PT85265A (pt) 1988-07-29

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Inventor name: DINSLAGE, WILFRIED