EP0328876A2 - Dispositif pour ouvrir des douilles plates - Google Patents

Dispositif pour ouvrir des douilles plates Download PDF

Info

Publication number
EP0328876A2
EP0328876A2 EP19890100564 EP89100564A EP0328876A2 EP 0328876 A2 EP0328876 A2 EP 0328876A2 EP 19890100564 EP19890100564 EP 19890100564 EP 89100564 A EP89100564 A EP 89100564A EP 0328876 A2 EP0328876 A2 EP 0328876A2
Authority
EP
European Patent Office
Prior art keywords
sleeve
mandrel
ejector
folding
shaped
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
EP19890100564
Other languages
German (de)
English (en)
Other versions
EP0328876B1 (fr
EP0328876A3 (en
Inventor
Wilhelm Reil
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.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
Tetra Alfa Holdings SA
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 Tetra Laval Holdings and Finance SA, Tetra Alfa Holdings SA filed Critical Tetra Laval Holdings and Finance SA
Priority to AT89100564T priority Critical patent/ATE95757T1/de
Publication of EP0328876A2 publication Critical patent/EP0328876A2/fr
Publication of EP0328876A3 publication Critical patent/EP0328876A3/de
Application granted granted Critical
Publication of EP0328876B1 publication Critical patent/EP0328876B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/32—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by external pressure diagonally applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/005—Making rigid or semi-rigid containers, e.g. boxes or cartons involving a particular layout of the machinery or relative arrangement of its subunits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/30—Construction of rigid or semi-rigid containers collapsible; temporarily collapsed during manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/76—Opening and distending flattened articles
    • B31B50/78—Mechanically

Definitions

  • the invention relates to a device for unfolding flat-lying sleeves made of paper, cardboard or the like with longitudinal sealing seam, in particular for the production of liquid packs, with a transport device for gripping the flat-lying sleeve and introducing it into a position axially aligned between a mandrel and an ejector.
  • the invention is directed to all types of sleeves, which are used in particular for the production of superplasticizers, and is described for the purposes of illustration and better understanding with the aid of liquid packs.
  • Packaging for milk, juices and the like which has a sleeve made of paper with a plastic coating, one end of the sleeve being closed by folds with a square bottom and the other, opposite end of the sleeve having a molded-on cover without a carrier material, i.e. is made of pure plastic.
  • Sleeves in the form of a tube with an essentially circular cross section are known here.
  • Machines constructed for the production of such packs have at least one mandrel wheel with a plurality of mandrels, the sleeve first being formed from a paper web (with a plastic coating) to form a longitudinal sealing seam and then being pushed onto the mandrel so that at one end the later cover, on which the pouring device is included, is injected.
  • the mandrel on which the sleeve is pushed practically represents the inner shape, around which a two-part outer shape is placed in order to connect the end of the sleeve to the injected plastic in such a way that the package has been sprayed liquid-tight on its cover.
  • Liquid packs of this type and also other designs of liquid packs are known as disposable packs in increasingly used by the end consumer and therefore put on the market.
  • the corresponding filling machines and also pack-making machines have to have a higher output, ie more packs have to be produced per unit of time and thus more sleeves have to be pushed onto mandrels and provided with end walls.
  • the production is carried out in a machine in which the sleeve is first made flat and then passed between the mandrel and an ejector via a transport device, the sleeve coming from the flat in the round cross section is opened.
  • the round cross section it does not matter at which point on the circumference the longitudinal sealing seam, through which the flat web is formed to form the sleeve, is arranged.
  • the base is made of the paper material itself by folding, while the cover is also molded on the opposite side and has the pouring device.
  • the latter is arranged so that it shows with its pouring tip when looking at the top of the package from the lid to a corner thereof and is arranged in the vicinity thereof.
  • the longitudinal sealing seam is arranged on the adjacent side folding edge relative to the pouring opening. It can be easily imagined that the packing becomes stiffer due to the double-layered edge strips in the area of the longitudinal sealing seam.
  • the pack bends the least at this point, or dents or damage when gripping and pinching the pack between the thumb and the other four fingers of the hand are least to be feared here. Since the greatest pressure (greater than the four fingers) is applied to the package via the thumb, it is expedient if the side edge of the package sleeve comes to lie with the longitudinal sealing seam in such a way that the pouring device is arranged transversely to the top of the lid in such a way that that when pouring out the plane of the pouring jet runs through those two side folding edges, in one vicinity of which the tip of the pouring opening is arranged and in the other vicinity the four fingers of the user attack during pouring out, while the thumb sticks to the crosswise and stiffened by the longitudinal sealing seam Side folding edge of the sleeve attacks.
  • the inventor has therefore set itself the task of improving the device for folding flat-lying sleeves of the type mentioned in such a way that it is possible with the new device to reliably clamp the flat-lying sleeve in a high cycle to a shape with a square cross-section, the The longitudinal seal seam always comes to a certain point.
  • the transport device has a pivoting rocker arm which can be pivoted about an axis parallel to the linear movement direction of the ejector and has a centering web which can be pivoted about the axis by at least a quarter arc, the pivoted end position of which fixedly fastens a folding stop with V-shaped receiving surfaces is that in addition to the folding stop on both sides swivel levers with vacuum openings are pivotally provided such that two contact planes each delimiting a swivel lever span a V-shaped roof corresponding to two adjacent side faces of the unfolded sleeve, and that the ejector is provided on the front with a square plate and has a stroke , which is greater than the length of the pivoting lever, and which can be moved back and forth along the V-shaped contact planes, controlled synchronously with the pivoting movement of the distributor rocker.
  • the transport device as a pivotable distributor rocker which can be pivoted about an axis which runs parallel to the longitudinal direction of the mandrel on which the sleeve is to be pushed.
  • This pushing on takes place via the linear movement of the ejector, which is why the pivot axis of the distributor rocker is arranged parallel to this linear direction of movement.
  • the transport device transports a lower sleeve, which is moved out, for example, next to a magazine with a stack of flat-lying sleeves, along a quarter-circle arc into the position between the mandrel and ejector fer.
  • the ejector is switched on and pushes the sleeve onto the mandrel.
  • the quarter-round arc ie the movement of the distributor rocker and the transport of the sleeve, bring the longitudinal sealing seam from the initially "upper" position to the "left""Position because the center of the quarter-circle arc, ie also the pivot axis of the distributor arm z. B. above the lowest flat-lying sleeve and - in this embodiment shown - to the left of the ready-to-use, considered mandrel.
  • the quarter-circle arc is therefore practically a path that is comparable to the position of six to three in the clock. In the three o'clock position it is already slightly open cracked sleeve thus moved against the folding stop, so that its front of the two "first" longitudinal folding edges moved into the "downward" open V of the receiving surfaces of the folding stop and came to a stop.
  • swivel levers are provided on both sides next to the folding stop, which can pivot about axes that are also parallel to the pivot axis of the Distribution rocker, parallel to the elongated folding stop and, for example, at its height next to it.
  • Each pivoting lever has a bearing plane that points towards the space where the sleeve is to be unfolded, in which vacuum openings open in order to engage and possibly engage with the two side walls of the sleeve that lie next to the front "first" side folding edge To support unfolding by the respective plant level pulling up the adjacent side wall of the sleeve while spreading open.
  • the two pivot levers with their contact levels are arranged next to the folding stop so that the contact levels, like the V-shaped receiving surfaces of the folding stop, also span a roof in a V-shape.
  • this roof shape again seen in a direction parallel to the pivot axis of the distributor rocker, is designed like a very pointed roof, and by pivoting open, e.g.
  • the full stroke is traversed after the sleeve has been pushed onto the square plate, the sleeve passing under the V-shaped contact planes of the swivel levers, parallel to the longitudinal direction of the swivel levers and to the folding stop from the space under the folding stop and next to the swivel levers, is pushed onto the mandrel.
  • the pivoting movement of the distributor rocker is controlled synchronously with this movement of the ejector.
  • the distributor rocker supports the unfolding process by first delaying its movement in a controlled manner in synchronization with the movement of the pivoting levers (when the pivoting levers Have taken the clock or seven o'clock position and after opening the roof, ie moving the swivel lever to the four o'clock or eight o'clock position) and then moving a little further towards the folding stop, until the lower rear of the two "first" side fold edges of the sleeve is in its unfolded end position.
  • the sleeve When the ejector begins its pushing motion, the sleeve is held in the swivel levers by the vacuum, and the distributor arm can move the quarter-circle arc back to the starting position in order to take up the next isolated, flat-lying sleeve.
  • the parallelepiped mandrel is arranged diagonally, so to speak, that is, the planes through its longitudinal outer edges lie horizontally and vertically (in contrast to the "straight" arrangement of a cuboid, in which the diagonals running through the cross-sections spanning the cross-section are not horizontal and vertical but lie diagonally to it.)
  • the distributor rocker arm has an arm and at the radially outer end thereof a part-cylindrical holding plate, that a centering web with a V-shaped upwardly projecting receiving surface is attached to at least one straight end edge of the holding plate, and that a part-cylinder-shaped one Basket is attached stationary next to the path of movement of the holding plate.
  • the arm of the distributor rocker is to be thought of as a connecting element between its pivot axis on the one hand and at arm's length spaced therefrom, on the other hand the holding plate.
  • the retaining plate is curved in the direction of the pivot axis of the distributor rocker, with one straight end edge at one end of the curve and the other edge at the other end of the curve.
  • An elongated centering bar with the mentioned receiving surfaces is arranged on at least one end channel, because in the sense of the above-mentioned exemplary embodiment, the rear of the two "first" longitudinal folding edges of the still-lying sleeve is received by this centering bar in one position, for example, when it is an eight o'clock Has taken position and then runs through its quarter-circle arc to the four o'clock or three o'clock position in order to move the flat-lying sleeve from the position under the magazine into the position against the folding stop in an arc. This movement slides the more or less flat sleeve on the part-cylinder-shaped basket, which is arranged close to the path of movement of the centering bar.
  • the stationary folding stop is in the form of a strip which is longer than the sleeve to be unfolded and approximately as long as the pivot lever in the axial direction.
  • the V-shaped receiving surfaces of the folding stop can thus accommodate the entire front of the "first" longitudinal folding edges of the sleeve, which makes the guidance particularly reliable both before and during the receiving of the sleeve and during the unfolding process.
  • the contact plane of the respective pivot lever has recesses in which stationary rollers can be received.
  • the rollers serve to guide the unfolded sleeve when the ejector moves outward.
  • the rollers are rotatable about their longitudinal axes, but are otherwise immovably stationary on both sides under the folding stop in such a way that they each form a tangentially arranged guide plane.
  • Both management levels then in turn span the desired V-shaped roof corresponding to the two side faces of the unfolded sleeve lying next to one another.
  • the swivel levers are movable in relation to the stationary rollers, i.e. the recesses move like gates over the rollers when the swivel levers move.
  • the contact levels of the swivel levers can span a much more pointed V in the starting position and a blunt or flatter V in their end position than the V that the rollers span. The latter is generally rectangular.
  • a guide spanning a square corresponding to the cross-section of the sleeve is stationary on the side of the folding stop facing the mandrel of the machine.
  • This guide can be formed, for example, by four elongated rollers or alternatively also stationary sliding bodies on which the unfolded sleeve is pushed by the ejector out of the room under the folding stop onto the mandrel.
  • the particular advantage of this leadership is its leadership function, as the name says.
  • the ejector has received and held the rear end of the unfolded sleeve with its square plate, the front end of the square unfolded sleeve already comes into the guide after a short time during the movement of the ejector and is held by it.
  • the sleeve is held at the beginning and the back of the ejector movement on its square edges, namely on the one hand by the guide just mentioned and on the other hand the square plate of the ejector.
  • the pivot levers can then be opened to form the very open or blunt V, so that the sleeve is only guided by the rollers as it continues to advance under the stationary folding stop. Rolling friction prevents damage to the outer surface of the sleeve when it is pushed out.
  • the invention is further advantageously configured in that the ejector has a cup-shaped housing in which the square plate is resiliently biased against the cup base and is arranged such that it can be moved linearly and at a distance from it, and that the edge of the square plate corresponding to the circumferential contour of the unfolded sleeve is slanted inside.
  • the latter feature like a cone, promotes the attachment of the rear edge of the sleeve to the square plate when the ejector begins its outward movement.
  • the resilient mounting of the square plate has the advantage that the ejector can move up to the face of the mandrel without damage and, moreover, can even push the sleeve far enough onto the mandrel.
  • the square plate which can be made of plastic, for example, preferably moves within the cup-shaped housing, which is preferably made of steel, so that in one position the square plate protrudes the most from the ejector to the front and therefore first with the End face of the mandrel comes into contact; after belching on the end face of the mandrel, however remains relative to the cup-shaped housing.
  • This housing and in particular its cylindrical side walls (of the cup) then move relative to the square plate seated on the end face of the mandrel and, during this relative movement, push the sleeve which has already been partially pushed onto the mandrel even further onto the mandrel, so that the trailing edge of the sleeve is practical comes to lie at a distance from the end edge of the mandrel. This is desirable and serves for the correct positioning of this rear sleeve edge, on which the plastic cover on the mandrel is then to be injection molded later.
  • a raised ring made of elastomeric material is embedded in the front end plane of the square plate.
  • the opening of the ejector and in particular its square plate on the end face of the mandrel is raised by such.
  • Damped ring which can preferably be made of rubber. Its ring surface can form a substantial part of the cross-sectional area of the sleeve and therefore form good storage and shock absorption for the ejector.
  • This rotation by 180 ° is necessary because the packing of the packs from the second or left mandrel takes place in an arc-shaped movement, in which the sleeve or sleeve with the lid is rotated by 180 °, so that after the packing actually all sleeves both of the first and that of the second mandrel all have the longitudinal sealing seam on the same side.
  • the distributor rocker arm has two opposing centering webs and is arranged to be pivotable approximately semicircularly approximately centrally between two folding stops with pivoting levers.
  • the distributor rocker with its centering bar which is attached to the other straight end edge of the retaining plate, for example, pushes the next isolated, almost flat-lying sleeve clockwise on a further four-part circular arc into the position between the one on the return stroke from the position of the first right mandrel second left mandrel and a second ejector.
  • the magazine 1 is shown with flat-lying paper sleeves 2, which consist of paper material coated with plastic.
  • FIGS. 1, 2 and 4 one can see the frame 5 drawn out in detail in FIG. To simplify the drawings, only the right-hand work station seen in the push-on direction of the sleeves 2 is shown, the compartment but one also has to think of a left station as a mirror image of the main middle level. Therefore, in the right station shown here, the frame 5 has rails 6 on its left side, which serve to guide the ejector to be described later, which is generally designated 7 and is shown in more detail in connection with FIGS. 10 and 11.
  • the flat-lying sleeve 2 is to be guided by the transport device, generally designated 8, into the position in which the sleeve 2 is arranged in the illustration in FIGS. 1 and 2.
  • a folding stop 10 with V-shaped receiving surfaces 11 is fastened in the form of a strip which is longer than the sleeve 2.
  • a contact plane 14 in which recesses 15 are provided, in order to accommodate rollers 16 arranged in a stationary and rotatable manner.
  • a sectional view of this arrangement is shown in Figures 1 and 2, on the right with a view of the rollers 16 according to section line II and the left on the lever 13 (next to the rollers) according to section line I'-I 'of Figure 3.
  • the pivot lever 13 are driven via an air cylinder 17 and generally designated 18 drive levers pivotable about the axes 12.
  • the air cylinder is only necessary for the separate control in the embodiment according to FIGS. 1 to 3, in the illustration of FIGS. 4 and 5 the air cylinder is omitted, but not the drive levers 18, which are controlled synchronously by the drive of the distributor rocker arm 20 in the second embodiment , which is shown in Figures 6 and 7 (transport device).
  • the pivot levers 13 are in a position in which the contact planes 14 form an acute V. and the sleeve 2 with the longitudinal sealing seam arranged on the left is only shown in a slightly popped-up state.
  • FIG. 3 the larger, approximately left central part of the folding space is shown under the folding stop 10 with the contact plane 14 and the rollers 16, the ejector 7 is indicated in the right third in the frame 5 and the one generally designated 23 on the side of the folding space opposite this Guide, which is shown in Figure 12 in plan view.
  • FIG. 3 One can also see in FIG. 3 the vacuum openings 24 and the vacuum pipe connections 25 in the part cut off at the top right and left as well as in FIGS. 1 and 2 the vacuum connecting pipes 26 between these vacuum lines 25 running parallel to the axes of rotation 12 and the openings 24 4 and 5, the vacuum openings 24 are visible with the only difference that the stationary rollers 16 are not present in FIGS. 4 and 5.
  • the steel housing 30 has the shape of a cup with cylindrical jacket-shaped side walls 31, an axial bearing at 32 and recesses 33 for springs 34 which, compared to the steel housing 30, have a square plate 35 made of plastic at a distance d from the bottom 36 keep the housing biased.
  • the end face 37 of the square plate 35 has a raised ring 38 made of rubber.
  • the edge 39 of the square plate 35 is inclined inwards.
  • the sleeve 2 can also be seen with its rear edge 40, which, in addition to the beveling of the edge 39 of the square plate 35, bears on the annular end face of the cylindrical jacket-shaped side wall 31 of the steel housing 30.
  • This guide 23 is shown in FIG. 12 and attached to the plate 42.
  • the cross section of the unfolded sleeve 2 is a square.
  • the distributor rocker is shown in FIGS. 6 and 7 and designated 20. It has an arm 50 which carries a holding plate 51 via screws 52 and makes it pivotable about the axis 53 via the ball bearing 54 'shown at the top right in FIG. While the arm 50 of the distributor rocker 20 runs rectilinearly along a radius, surrounds the pivot axis 53 and pushes against the holding plate 51 and widens in an L-shape, as shown in FIG. 7, the holding plate 51 has the shape of a partial cylinder jacket surface with two curved ones Edges 54 ′ in FIG. 7 on the right and left or in FIG. 6 in front the curved double line; and two straight end edges 55, the end points on the right and left in FIG. 6 and the straight double line in FIG. 7.
  • Centering webs 56 are provided on both straight end edges 55 of the holding plate 51 and are provided with receiving surfaces 57 which are V-shaped in cross-section to the outside (right and left).
  • the centering webs 56 have the length of the straight end edge 55 and thus also last shape. Their length is approximately equal to the length of the sleeve 2 and thus also approximately equal to the length of the folding stop 10.
  • a partially cylindrical jacket-shaped basket 60 shown in FIGS. 8 and 9 in side view and plan view, which also belongs to the transport device 8, is formed from bent rods 61 and four support bolts 62 [arranged transverse to these parallel rods 60].
  • the basket stands firmly on the floor on the stationary supports 63 indicated in FIG. FIG. 7 also shows the rods 61 which are arranged in an arc and parallel and at a distance from one another and are square in cross section, which form the basket 60, which is also indicated in FIG. 6 on the right.
  • Two small guide plates 63 ensure that the sleeve 2 shown on the right in FIG. 8 is in contact on the upper side in FIG. 9 as a guide for the movement path of the sleeve 2 during the four-part arc movement of the distributor rocker 20 according to FIG. 8 from the six o'clock to the three o'clock position. Clock position.
  • the sleeve 2 in the magazine 1 shown in FIG. 7 initially lies flat on the bottom on the arcuate square rods 61 of the basket 60, the longitudinal sealing seam 4 being arranged at the top.
  • the flat-lying sleeve 2 has cracked slightly, so that its cross section has the shape of a rhombus.
  • the so-called "first" side fold edges are strongly folded, and in FIG. 6 one can see the right front longitudinal fold edge 3, while the other two opposite fold edges, one of which is arranged next to the longitudinal sealing seam 4, are weakly or almost not folded.
  • the V-shaped mounting surface 57 grips the left tip of the sleeve 2 when the arm 50 of the distributor rocker 20 has reached approximately an eight o'clock or seven o'clock position and its oscillating movement begins in the counterclockwise direction. If the distributor rocker 20 has reached its six o'clock position exactly, as shown in FIG. 6, then it has already pushed the sleeve 2, which is still partially flat, a bit in front of itself, and this movement continues until the state of FIG. 1 is reached.
  • the two pivot levers 13 are still quite close together, so that their contact levels 14 span a very pointed roof, the V of which only encloses a small angle.
  • the centering web 56 has now reached the position shown in FIG. 1 because the front side folding edge 3 of the sleeve 2 has just reached the tip of the V of the folding stop 10 between the receiving surfaces 11.
  • the pivot levers 13 can, as is particularly clearly shown in FIG. 4, have funnel-shaped bevels 70 in their lower area, so that the front side folding edge 3 of the sleeve 2 can be pushed well into the V-shaped space as far as under the folding stop 10.
  • FIG. 1 is now left in order to maintain the position and unfolding shape according to FIG.
  • the swivel levers 13 move apart by increasing the angle of the contact planes 14 between them until the centering web of the distributor rocker 20 has reached the position denoted by 56 'in FIG. 2.
  • the sleeve 2 has also reached its square shape (in cross section).
  • the sleeve 2 is now with its side wall 71 on the contact plane 14 of the left pivot lever 13, if you consider the section line I'-I 'of Figure 3 and on the opposite side of the stationary roller 16, if you take the section II of Figure 3 considered.
  • the sleeve has a rear edge 40 which first comes into engagement with and is held by the square 35 of the ejector 7, as shown on the left in FIG.
  • the front edge opposite the rear edge 40 of the sleeve 2 is understandably inserted into the guide 23, so that the sleeve 2 is now held in the front by the sleeve 23 and in the rear by the square plate 35 is. It is therefore no longer necessary to support the edge of the sleeve 2 opposite the side folding edge 3 by means of the centering web 56, which is why this is done when the Distributor arm 20 is moved clockwise in the other direction.
  • the ejector 7 has meanwhile already pushed the sleeve 2 onto the mandrel 9, and now the rubber ring 38 of the ejector 7 comes into engagement with the end face 41 of the mandrel 9, so that the cylindrical side wall 31 of the steel housing 30 pushes the trailing edge 40 of the sleeve 2 forward while squeezing the springs 34, the square plate 35 remains in the housing 30 because it is supported by the front end face 41 of the mandrel 9. This pushing movement takes place along the distance d, as can be seen from FIG. 10 and the broken-off small view below.
  • the ejector 7 has now carried out its forward stroke, which is longer than the length L of the pivot levers 13 in FIG. 3.
  • the operation is the same, except that to simplify the machine the stationary rollers 16 are omitted and the contact planes 14 of the pivot levers 13 are only interrupted by the vacuum openings 24, otherwise they are smooth, flat surfaces.
  • the control of the swivel lever is carried out synchronously via not Darge provided drive means for pivoting the distributor rocker 20, so that the air cylinder 17 in the embodiment according to FIG. 3 is missing here in the embodiment in FIG. 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
EP89100564A 1988-02-16 1989-01-13 Dispositif pour ouvrir des douilles plates Expired - Lifetime EP0328876B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89100564T ATE95757T1 (de) 1988-02-16 1989-01-13 Vorrichtung zum auffalten von flachliegenden huelsen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3804791A DE3804791C2 (de) 1988-02-16 1988-02-16 Vorrichtung zum Auffalten von flachliegenden Hülsen
DE3804791 1988-02-16

Publications (3)

Publication Number Publication Date
EP0328876A2 true EP0328876A2 (fr) 1989-08-23
EP0328876A3 EP0328876A3 (en) 1990-04-25
EP0328876B1 EP0328876B1 (fr) 1993-10-13

Family

ID=6347509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89100564A Expired - Lifetime EP0328876B1 (fr) 1988-02-16 1989-01-13 Dispositif pour ouvrir des douilles plates

Country Status (18)

Country Link
US (1) US4994011A (fr)
EP (1) EP0328876B1 (fr)
JP (1) JPH01254517A (fr)
KR (1) KR890012790A (fr)
CN (1) CN1015880B (fr)
AR (1) AR243115A1 (fr)
AT (1) ATE95757T1 (fr)
AU (1) AU613690B2 (fr)
BR (1) BR8900667A (fr)
CA (1) CA1301518C (fr)
DD (1) DD283361A5 (fr)
DE (2) DE3804791C2 (fr)
DK (1) DK70089A (fr)
ES (1) ES2045198T3 (fr)
FI (1) FI87755C (fr)
NO (1) NO174188C (fr)
RU (1) RU1807947C (fr)
YU (1) YU47300B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4232956C2 (de) * 1992-10-01 2002-02-21 Jagenberg Diana Gmbh Verfahren und Vorrichtung zum Nachbrechen der Längsrillinien bei der Herstellung von quaderförmigen Faltschachteln
GB9502125D0 (en) * 1995-02-03 1995-03-22 Tetra Laval Holdings & Finance Methods and apparatus for erecting tubular carton blanks
GB2314291B (en) * 1995-02-03 1998-12-09 Tetra Laval Holdings & Finance Methods and apparatus for erecting tubular carton blanks
US6073423A (en) * 1996-02-02 2000-06-13 Tetra Laval Holdings & Finance S.A. Methods and apparatus for erecting tubular carton blanks
CN101920584B (zh) * 2009-12-10 2012-01-11 西安航天华阳印刷包装设备有限公司 流体食品饮料软包装盒单片包材盒的成型方法
CN103274094B (zh) * 2013-05-17 2015-07-15 杭州中亚机械股份有限公司 一种纸板成形装配装置
DE102016110008A1 (de) * 2016-04-04 2017-10-05 Sig Technology Ag Vorrichtung zum einseitigen Verschließen von Packungsmänteln für die Herstellung von Verbundpackungen
CN117465742B (zh) * 2023-12-28 2024-04-09 山东省寿光蔬菜产业集团有限公司 一种熊蜂产品全自动货物打包机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2357535A (en) * 1940-06-13 1944-09-05 American Paper Bottle Co Container fabricating machine
DE1022959B (de) * 1954-04-09 1958-01-16 Hesser Ag Maschf Vorrichtung zum Vereinzeln und OEffnen von flach zusammengelegten Faltschachtelhuelsen aus einem Stapel
US2881682A (en) * 1955-12-29 1959-04-14 Redington Co F B Carton conveying and transfer mechanism
DE1124799B (de) * 1960-04-05 1962-03-01 Karlsruhe Augsburg Iweka Vorrichtung zum Vereinzeln, OEffnen und Weiterbefoerdern von Schlauchstuecken
US3783752A (en) * 1972-05-09 1974-01-08 Langen H J & Sons Ltd Carton opening device
DE2743797C3 (de) * 1977-09-29 1981-01-29 Gartemann & Hollmann Gmbh, 4800 Bielefeld Bodenaufziehvorrichtung für quergeförderte Sackschlauchabschnitte
US4340380A (en) * 1980-06-23 1982-07-20 The Mead Corporation Article carrier erecting mechanism
SE436271B (sv) * 1981-03-13 1984-11-26 Tetra Pak Int Anordning for resning och forflyttning av forpackningsbehallaremnen
US4530692A (en) * 1983-08-25 1985-07-23 Consolidated Papers, Inc. Apparatus for opening folded corrugated cartons
US4562692A (en) * 1983-08-31 1986-01-07 R. A. Jones & Co. Inc. Accumulating apparatus between a cartoner and a side seam gluer
DE3429761A1 (de) * 1984-08-13 1986-02-27 Focke & Co (GmbH & Co), 2810 Verden Vorrichtung zum aufrichten von faltkartons
SE457634B (sv) * 1986-04-18 1989-01-16 Tetra Pak Ab Anordning foer resning av foerpackningsbehaallaraemnen

Also Published As

Publication number Publication date
FI87755B (fi) 1992-11-13
ATE95757T1 (de) 1993-10-15
RU1807947C (ru) 1993-04-07
DE3804791C2 (de) 1993-10-07
CN1015880B (zh) 1992-03-18
NO174188C (no) 1994-03-30
DK70089D0 (da) 1989-02-15
DE3804791A1 (de) 1989-08-24
NO174188B (no) 1993-12-20
YU24089A (en) 1991-02-28
FI890095A0 (fi) 1989-01-09
AU2767789A (en) 1989-08-17
FI890095A7 (fi) 1989-08-17
YU47300B (sh) 1995-01-31
AR243115A1 (es) 1993-07-30
DD283361A5 (de) 1990-10-10
AU613690B2 (en) 1991-08-08
ES2045198T3 (es) 1994-01-16
NO890646L (no) 1989-08-17
CA1301518C (fr) 1992-05-26
CN1036529A (zh) 1989-10-25
JPH01254517A (ja) 1989-10-11
FI87755C (fi) 1993-02-25
KR890012790A (ko) 1989-09-19
EP0328876B1 (fr) 1993-10-13
US4994011A (en) 1991-02-19
DE58905862D1 (de) 1993-11-18
DK70089A (da) 1989-08-17
EP0328876A3 (en) 1990-04-25
NO890646D0 (no) 1989-02-15
BR8900667A (pt) 1989-10-10

Similar Documents

Publication Publication Date Title
EP2805890B1 (fr) Procédé et dispositif destiné à compléter des sacs (de tabac) dotés de patte de fixation cornière
DE69500340T2 (de) Vorrichtung zum Öffnen und Zuführen von Schachteln
DE69719863T2 (de) Verfahren und Vorrichtung zum Aufrichten von Zigarettenpackungen
DE69803525T2 (de) Verfahren und Vorrichtung zum Formen eines Schlauches und Vorrichtung zur Herstellung von Verpackungsbehältern
EP3538460B1 (fr) Cartouche de courrier par tube
EP1547803A1 (fr) Méthode pour la fabrication d'un produit d'imprimerie
DE2929156B2 (de) Vorrichtung zum Aufbringen von wärmeschrumpfenden Hülsen aus thermoplastischem Kunststoff auf Behälter
EP0413927A1 (fr) Installation pour fabriquer des emballages pour des produits liquides
EP0328876A2 (fr) Dispositif pour ouvrir des douilles plates
DE4122692B4 (de) Vorrichtung zum Umhüllen quaderförmiger Gegenstände
DE2339518C2 (de) Vorrichtung zum Herstellen rohrförmiger Behälter-Grundkörper aus einem Zuschnitt
DE4019031C2 (de) Vorrichtung zum Verdrehen von mittels einer Fördereinrichtung tranportierten Werkstückträgern mit Werkstücken und Verwendung einer solchen Vorrichtung
DE2930191A1 (de) Vorrichtung zum formen und schliessen von faltschachteln
DE9115484U1 (de) Vorrichtung zum Füllen von Faltschachtelbehältern mit Flüssigkeit und Verschließen der Behälter
DE4400943A1 (de) Vorrichtung zum Anordnen, Füllen und Verschweißen von Hülsen für die künstliche Besamung
DE202021003446U1 (de) Vorrichtung zum Öffnen einer Faltschachtel
EP0983949B1 (fr) Méthode et dispositif pour l'alimentation de profilés creux vers une machine à plier dans la fabrication de vitres isolantes
DE3816542C2 (de) Vorrichtung zum Abziehen einer einseitig geschlossenen Hülse von einem Dorn
EP0316889B1 (fr) Installation pour poser automatiquement des capsules élastiques, tronconiques sur des bouteilles ou autres récipients
EP0738229B1 (fr) Recipient avec adaptateur de soupape bloque
EP2998258A1 (fr) Dispositif d'enroulement de feuille pour une machine d'emballage
EP4543764B1 (fr) Procede et dispositif pour former des enveloppes d'emballage ouverts sur un cote a partir d'enveloppes d'emballage ouvertes des deux cotees
DE81606C (fr)
DE2751953A1 (de) Verfahren und vorrichtung zum einbringen gestapelter formteile in einen transportbehaelter
DE1561403A1 (de) Vorrichtung zum Zusammensetzen von Flaschentraegern od.dgl. aus mehreren Teilen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB GR IT LI NL SE

17P Request for examination filed

Effective date: 19891011

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE ES FR GB GR IT LI NL SE

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: TETRA PAK HOLDINGS & FINANCE S.A.

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: TETRA PAK HOLDINGS S.A.

17Q First examination report despatched

Effective date: 19920121

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: TETRA ALFA HOLDINGS S.A.

ITF It: translation for a ep patent filed
GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE ES FR GB GR IT LI NL SE

REF Corresponds to:

Ref document number: 95757

Country of ref document: AT

Date of ref document: 19931015

Kind code of ref document: T

REF Corresponds to:

Ref document number: 58905862

Country of ref document: DE

Date of ref document: 19931118

ET Fr: translation filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Free format text: TETRA LAVAL HOLDINGS & FINANCE S.A.

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19931101

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: TETRA LAVAL HOLDINGS & FINANCE S.A.

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2045198

Country of ref document: ES

Kind code of ref document: T3

NLT2 Nl: modifications (of names), taken from the european patent patent bulletin

Owner name: TETRA LAVAL HOLDINGS & FINANCE S.A. TE PULLY, ZWIT

REG Reference to a national code

Ref country code: GR

Ref legal event code: FG4A

Free format text: 3010277

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
EAL Se: european patent in force in sweden

Ref document number: 89100564.7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19961216

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19961217

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19961218

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19961219

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19961220

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19961223

Year of fee payment: 9

Ref country code: GR

Payment date: 19961223

Year of fee payment: 9

Ref country code: BE

Payment date: 19961223

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19970120

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19971223

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980113

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980114

Ref country code: ES

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 19980114

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980131

Ref country code: GR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980131

Ref country code: FR

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19980131

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980131

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980131

BERE Be: lapsed

Owner name: S.A. TETRA ALFA HOLDINGS

Effective date: 19980131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980801

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 19980801

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981001

EUG Se: european patent has lapsed

Ref document number: 89100564.7

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990113

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19990113

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20000301

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050113