EP0432344B1 - Packung für fliessfähiges Füllgut mit umlaufender Naht - Google Patents

Packung für fliessfähiges Füllgut mit umlaufender Naht Download PDF

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Publication number
EP0432344B1
EP0432344B1 EP90106965A EP90106965A EP0432344B1 EP 0432344 B1 EP0432344 B1 EP 0432344B1 EP 90106965 A EP90106965 A EP 90106965A EP 90106965 A EP90106965 A EP 90106965A EP 0432344 B1 EP0432344 B1 EP 0432344B1
Authority
EP
European Patent Office
Prior art keywords
top wall
hole
pack
seam
edge
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
Application number
EP90106965A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0432344A1 (de
Inventor
Wilhelm Reil
Ulrich Deutschbein
Gerd Knobloch
Udo Liebram
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
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 filed Critical Tetra Laval Holdings and Finance SA
Priority to CA 2031277 priority Critical patent/CA2031277A1/en
Priority to JP2402860A priority patent/JPH0769347A/ja
Publication of EP0432344A1 publication Critical patent/EP0432344A1/de
Application granted granted Critical
Publication of EP0432344B1 publication Critical patent/EP0432344B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/10—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures
    • 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
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material of curved cross-section
    • B65D11/04—Bottles or similar containers with necks or like restricted apertures designed for pouring contents
    • 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
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/10—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material of polygonal cross-section and all parts being permanently connected to each other
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/50—Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
    • B65D17/506—Rigid or semi-rigid members, e.g. plugs
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/36—Closures with frangible parts adapted to be pierced, torn, or removed, to provide discharge openings
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/727—Dispensing openings provided in the upper end-walls of tubular containers, the openings being closed by means of separate stopper or other closure elements
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/321—Both sheets being recessed
    • B65D75/322—Both sheets being recessed and forming one compartment

Definitions

  • the invention relates to a package for flowable filling material with a tube-forming side walls, with a bottom and an upper wall having a hole suitable for pouring and / or for receiving a closing device, all parts of the package being made of deformable plastic, preferably a thermoplastic, one from the side walls of the pack protruding seam is formed from two welded webs that lie around the pack lying in a plane that is parallel to the longitudinal central axis of the tube, and that is arranged in a depression in the area of the bottom, the pack in Area of the bottom and the top wall is delimited by planes, the seam in the area of the top wall runs in such a way that it is interrupted by the hole, and the hole in the top floor is surrounded by a substantially vertically upstanding, part-cylinder-shaped edge.
  • deformable plastic preferably a thermoplastic
  • a pack of the type described in the opening paragraph is known from GB-A-928448. Due to the bottle shape of this known package, an upper part which narrows conically upwards extends from the main body of the package to the edge leaving a hole free. This edge closes outwards and upwards by an edge through which one can lay a plane that is perpendicular to the plane in which the welded webs of the seam are arranged. Such a bottle-shaped pack is difficult to stack.
  • the shell halves should be able to be plugged into one another prior to their connection to form the pack, in order to improve the manufacturing process, the final pack as a product has disadvantages, such as poor stackability, especially of the finished and filled ones Packing, and overloading of the load-bearing edges in the floor area.
  • the object of the present invention is to redesign the known package in such a way that it can be stacked on top of one another and yet does not miss the other advantages of other types of package, such as tightness, easy opening and environmental friendliness.
  • this object is achieved in that the height of the edge surrounding the hole is equal to the height of the horizontally adjacent seam, that the seam and the edge are arranged in a recess and that the hole occupies the smaller part of the top wall.
  • the possibilities of using a hole in the top wall are greater in that the hole is surrounded by the edge mentioned. If, according to the invention, its height is now designed to be the same height as the height of the adjacent seam, these upper edges lie in a plane parallel to the boundary plane of the floor. These surfaces can be used as support and standing surfaces so that a package according to the invention can be stacked essentially vertically on top of the other directly or via intermediate pieces.
  • the hole occupies less than half the area of the top wall, so that parts of the top wall at the level of the boundary plane mentioned contribute to further support and stacking of packs arranged one above the other. Due to the recess in which the circumferential seam and the edge are arranged on the hole, no device parts required for the opening and casting function protrude beyond the delimitation plane mentioned. This is a perfect stackability of the guaranteed new pack.
  • the pack is stiffened and at the same time liquid-tight and therefore easy to manufacture as a mass product.
  • the parts of the pack are preferably made of plastic material, which allows environmentally friendly waste disposal after using and emptying the pack according to the invention.
  • the tube of the pack which represents the side walls can be round or oval in cross section, but the pack is preferably cuboid.
  • the side walls form a tube with a square cross section, which preferably has rounded edges, and if the seam runs along the diagonals of the top wall.
  • the hole is also located in a recess in the top wall, in the vicinity of the outer edge of the top wall.
  • the seam runs diagonally through this packing in such a way that the top wall is preferably divided into two halves, and the seam also runs across the hole.
  • the package is designed so that the seam does not continue across the hole, but only runs outside of it on the top wall, in the area of the So Loches is interrupted.
  • the seam is a short distance of e.g. each 1 mm to 10 mm and preferably 3 to 7 mm from the respective outer edge of the hole to the outside with a lower height, e.g. shortened or compressed by 1% to 30%, preferably 10% to 20% of the height of the remaining seam, so that the manufacturer has enough space to take suitable measures for a practical closure of the hole and attachment of a pouring device.
  • An opening piece is described below, which is sealed to form the pouring device at the edge of the hole in the top wall, and for this the seam is interrupted in the area of the entire pouring device.
  • the edge around the hole in the top wall stiffens the package where the seam is interrupted - i.e. not present.
  • the seam practically starts at this edge of the hole in the top wall, preferably on both sides of the hole in the top wall, so that the top wall also has excellent rigidity in the region of the pouring device.
  • the plastic material of the package according to the invention should be thermoformable, in particular a thermoplastic, such as e.g. Polypropene.
  • a thermoplastic such as e.g. Polypropene.
  • PVC can also serve as the thermoplastic, for example, and polypropene is largely known in the art as polypropylene.
  • the package according to the invention then consists of perfectly reprocessable parts and materials (in contrast to composite materials).
  • the plastic material e.g. the polypropene, also fill, the fillers here being chalk, mica, talc, gypsum or the like. In practice, filling levels of around 70% have proven to be favorable.
  • At least two side walls each have a depression as a recessed grip that projects into the volume.
  • a trough can be produced relatively easily with a thermoplastic, either by cold working or by the usual deep-drawing process.
  • the recessed grips replace a handle attached to the outside of the pack.
  • the outer contour of the pack can be made stack-friendly.
  • the trough can be shaped such that the volume of the container itself is not significantly impaired or reduced. If the recessed grips are intended for a pack with a rectangular tube, it is best to arrange them on both sides of a longitudinal edge between two side walls, which is parallel to the longitudinal center line of the pack and runs through the plane with the seam.
  • the recessed grips then end gently tapering in the described longitudinal edge and are located approximately in the upper half of a pack; for packages with a smaller volume of, for example, 1/2 liter or 1/4 liter approximately in the middle of the side wall in terms of its height.
  • the respective recessed grip ends (of course at a considerable distance from the pouring device) approximately in the area of a longitudinal side edge of the tube, which could be called the “middle longitudinal side edge” because it is not the is the front longitudinal side edge, which lies below the pouring edge next to the pouring device, and is also not the rear longitudinal side edge, which was described above.
  • the invention is furthermore expediently designed in such a way that the hole in the top wall can be closed by a pouring device which has a separate opening piece made of deformable plastic which is inserted into the hole in the top wall and welded in the top wall.
  • a pouring device which has a separate opening piece made of deformable plastic which is inserted into the hole in the top wall and welded in the top wall.
  • the opening piece of the pouring device has a lower part and a closure part connected to it by a hinge.
  • a hinge Such a configuration simplifies the opening piece in a special way. Functional parts connected via a hinge can be easily manufactured and assembled. This is even possible with a wide variety of materials, plastic which is preferably deformable according to the invention as the material for the opening piece.
  • the lower part is then welded into the hole in the top wall of the package in the manner described, and the closure part is connected on the one hand via the hinge to the lower part and on the other hand via a welding line to the latter.
  • the lower part is sealed to the closure part along a weld line which defines the pouring opening and that the opening piece has a cup-shaped depression which receives the pouring opening.
  • the lower part is thus connected to the closure part in such a way that when the pack is finished, filled and not yet opened, both parts of the opening piece, namely the lower part and the closure part, close the hole in the top wall of the pack like a piece and, if necessary, liquid-tight keep closed.
  • Both the lower part and the closure part have the cup-shaped depression mentioned, so that in addition to the Adhesive or sealing force between the edge of the hole in the upper wall of the pack and the lower part also gives a certain positive connection between the upper wall and the opening piece.
  • the tear force is introduced into the welding line in such a way that the tear piece lying within the welding line adheres to the closure part and is torn out of the lower part in such a way that - determined by the course of the welding line - the Pour opening results. This creates a clearly defined opening that is easy to manufacture and can even be closed by the end user after the first opening.
  • the opening piece is welded along the edge of the hole in the top wall. This is the measure already indicated above for the practical fastening of the prefabricated opening piece after it has been inserted into the hole in the upper wall.
  • the closure part has a plate with gripping tip covering the casting surface of the lower part.
  • the opening piece is designed such that its lower part has a pouring surface which surrounds the pouring opening and which advantageously functions as a pouring edge at the foremost tip or edge.
  • This pouring surface which is generally flat, should - not least also for hygienic reasons - be covered after reclosing until the second or third pouring process.
  • This cover is provided by the plate of the closure part, which, like the casting surface, engages around the cup-shaped depression of the opening piece.
  • the plate has a tip in the direction of the pouring jet, that is to say toward the front longitudinal side edge of the pack, which the end user can use to grip the closure part and tear it up. This tip can also be understood as a gripping aid.
  • the package used in the preferred embodiments described here is for milk, juices, or the like.
  • the respective package consists of a tube 1 with a quadrangular cross section and four side walls 2, 3, 4, because the fourth side wall is not shown in any drawing. But you can imagine the side wall 3 diametrically opposite.
  • the four side walls 2 to 4 are separated from one another by longitudinal side edges, all of which lie parallel to the longitudinal center line 5 of the pack. These are the front longitudinal side edge 6, the rear longitudinal side edge 7 and the two central longitudinal side edges 8, which are diametrically opposite one another between the front 6 and the rear longitudinal side edge 7.
  • the middle longitudinal side edges are indicated by a line, but in reality all the longitudinal side edges are rounded, which is why no sharp line 8 can be seen, particularly in the perspective representations.
  • the level of the top wall 9 can be clearly seen, simply because the hole 13 according to FIGS. 1 and 3 and also the pouring device 10 occupies only a small part, preferably less than half, of the top wall 9, for example an area of 5 to 30%, preferably 10 to 20%.
  • All parts 1 to 10 of the pack are made of thermoformed plastic.
  • 5 shows the outer contour, which is essentially cuboid with a flat top wall 9. So that no parts protrude significantly from the outer contour and thus good stackability and repackaging is possible, groove-shaped depressions 11 are provided in both the bottom and the top wall 9, in which a seam 12 runs, which extends essentially perpendicularly from the plane of the top wall 9 or the floor protrudes.
  • This seam 12 surrounds the entire cuboid or tube 1 of the pack, that is, it continues along the front 6 and rear longitudinal side edge 7 in such a way that the double-walled seam 12, as can be seen particularly clearly from FIG.
  • FIGS. 1 and 2 shows (two seam parts 12 'and 12 '') - a level can be laid, which in the embodiments shown here exactly halves the cuboid of the pack.
  • the seam 12 is arranged like a frame which also stiffens the pack, while in FIG. 5 in the direction of this plane and thus also looks at the edge of the seam 12.
  • the seam 12 can protrude vertically, without being folded over and tacked onto the outer surface, without protruding beyond the outer contour of the cuboid, because the longitudinal side edges 6 to 8 of the tube 1 are rounded, and in this space created by the rounding, the seam 12 runs through the rounding of the longitudinal side edges 6 to 8 on the one hand and through the groove-shaped depressions 11 in the bottom and in the top wall of the pack, on the other hand, the seam 12 runs within the outer contour of the pack.
  • the seam 12 is interrupted by the hole 13 in the top wall 9.
  • the seam 12, which runs in a straight line over the top wall 9, ends in front of the edge 14 of the hole 13, is omitted in the region of the hole because there is no material here, and continues again on the opposite side behind the hole 13.
  • the height of the seam 12 is reduced by 5 to 30%, preferably by 10 to 15%, of the total height of the seam 12.
  • an opening piece 16 covering the hole 13 can be inserted, attached and arranged so that the pouring device 10 having the opening piece 16 does not protrude beyond the outer contour of the package.
  • an enlarged part 17 of the otherwise groove-like recess 11 is provided in the upper wall 9, in which the pouring device 10 is located, this part 17 of the recess 11 being widened so that it not only the hole 13 but also the one there used and attached pouring device 10 surrounds.
  • the pouring device 10 is arranged with its opening piece 16 such that it is recessed in this part 17 and does not protrude beyond the outer surface of the upper wall 9.
  • FIGS. 13 to 18 clearly show a further recess 18 designed as a recessed grip.
  • a recessed grip is also to be thought of in the second embodiment according to FIGS. 13 to 18, although it is not expressly shown there.
  • the recess 18 defining the recessed grip is arranged in the upper half of the respective rear side wall 3 or 4, as a result of which the end user supports the pack quite close to the center of gravity, so that the pouring out becomes very convenient and light.
  • the surface surrounding the recess 18 (recessed grip) on the side wall 3 and also that on the adjacent side wall 4 connected to it can be provided for printing.
  • the pouring device 10 is a separate opening piece 16 inserted into the hole 10 in the top wall 9 and welded along the edge 14 of the hole 13 in the top wall 9.
  • FIGS. 3 and 7 are best considered first. From these one can see the seam 12 interrupted by the hole 13 in the top wall 9, which (according to a particularly clear illustration in FIG. 8) consists of the two webs 12 ′, 12 ′′ welded together and in the recess 11 or the widened one Well 17 runs.
  • FIGS. 6, 9 and 12 The pouring device thus consists of the opening piece 16 welded into the hole 13 along its annular edge 14.
  • FIG 9 clearly shows the ring-shaped welding region 19, illustrated by a thicker line, between the opening piece 16 and the hole 13.
  • the part-cylinder-shaped ring 14, which is the edge of the hole 13, forms one Part of this welding surface 19, because the latter continues on top wall 9 and recesses 15 on top of seam 12.
  • This opening piece 16 which is welded into the hole 13 of the top wall 9 along the surface 19, in turn consists of a lower part 20 and a closure part 21 connected to it via a hinge 22.
  • a hinge 22 For a clearer representation of the hinge 22, it is best to take a look at FIG. 12.
  • the opening piece 16 i.e. Both the lower part 20 and the closure part 21 have a cup-shaped recess 23, as can be seen clearly in the cross-sectional view of FIGS. 9 and 12. In the "bottom of this cup” there runs a welding line 25 which specifies the ultimately desired pouring opening 24.
  • the welding line 25 which is actually equipped with a tip 26 towards the front tip of the pouring device 10, in order to concentrate the tear-off forces described below on a point on the welding line and thereby bring the initiation of the tear force into the right place.
  • a part of the welding line 25 can be seen in cross-section through the individual view X in FIG. 9, which is more clearly shown in FIGS. 10 and 11. Before tearing, the welding line 25 surrounds the tear-out piece 27, which sticks to the closure part 21 after the tear-open and thereby defines the pouring opening 24 in the lower part 20.
  • a top view of the closed package according to FIG. 6 shows in the region of the enlarged part 17 of the recess 11 in the top wall 9 from the pouring device, generally designated 10, to the outer surface of the closure part 21 with the cup-shaped recess 23, which is the approximately circular cup-shaped recess Recess 23 surrounding field of the closure part 21 is formed as a flat plate 28 which is provided at the front with a gripping tip 29.
  • FIG. 9 clearly shows that this gripping tip 29 of the plate 28 projects over the so-called casting surface 30 with a casting edge 31.
  • the end user finds the package shown in FIGS. 6 and 9 with the pouring device 10 closed. To open it, he grips the gripping tip 29 of the closure part 21 and pulls it up in the direction of the curved arrow 32 (FIGS. 10 and 12).
  • the welding line 25 concentrates the tensile force on the tip 26, which is why the welding line 25 also becomes the tear line which, after the tear, ultimately becomes the pouring opening 24 releases.
  • the tear along this welding line 25 takes place in the manner shown schematically in FIG. 4 in such a way that the tear-out piece 27 is torn off the lower part 20 and is torn up over the remaining part of the welding line 25 on the closure part 21.
  • the closure part folds according to the illustration in FIG.
  • closure part 21 only has to be folded down again in the direction opposite the curved arrow 32 (FIG. 12).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Ceramic Engineering (AREA)
  • Packages (AREA)
  • Cartons (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Stackable Containers (AREA)
  • Bag Frames (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
EP90106965A 1989-12-02 1990-04-11 Packung für fliessfähiges Füllgut mit umlaufender Naht Expired - Lifetime EP0432344B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA 2031277 CA2031277A1 (en) 1989-12-02 1990-11-30 Pack, with peripheral seam, for flowable contents
JP2402860A JPH0769347A (ja) 1990-04-11 1990-12-17 周囲接ぎ目部を有する流動性充填物用パック容器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3939970A DE3939970A1 (de) 1989-12-02 1989-12-02 Packung fuer fliessfaehiges fuellgut mit umlaufender naht
DE3939970 1989-12-02

Publications (2)

Publication Number Publication Date
EP0432344A1 EP0432344A1 (de) 1991-06-19
EP0432344B1 true EP0432344B1 (de) 1995-03-01

Family

ID=6394724

Family Applications (3)

Application Number Title Priority Date Filing Date
EP90106965A Expired - Lifetime EP0432344B1 (de) 1989-12-02 1990-04-11 Packung für fliessfähiges Füllgut mit umlaufender Naht
EP90106964A Expired - Lifetime EP0431240B1 (de) 1989-12-02 1990-04-11 Ausgiesseinrichtung für eine Fliessmittelpackung und Verfahren zur Herstellung einer Ausgiesseinrichtung
EP90121072A Expired - Lifetime EP0431317B1 (de) 1989-12-02 1990-11-03 Packung für fliessfähiges Füllgut mit umlaufender Naht

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP90106964A Expired - Lifetime EP0431240B1 (de) 1989-12-02 1990-04-11 Ausgiesseinrichtung für eine Fliessmittelpackung und Verfahren zur Herstellung einer Ausgiesseinrichtung
EP90121072A Expired - Lifetime EP0431317B1 (de) 1989-12-02 1990-11-03 Packung für fliessfähiges Füllgut mit umlaufender Naht

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US (1) US5191988A (es)
EP (3) EP0432344B1 (es)
JP (1) JPH03187842A (es)
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AR (1) AR246481A1 (es)
AT (3) ATE119118T1 (es)
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BR (1) BR9006102A (es)
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GR (1) GR3015296T3 (es)
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Also Published As

Publication number Publication date
US5191988A (en) 1993-03-09
EP0431317B1 (de) 1994-07-13
RU2001850C1 (ru) 1993-10-30
CN1059127A (zh) 1992-03-04
ES2056336T3 (es) 1994-10-01
EP0431240B1 (de) 1993-12-08
DK0431240T3 (da) 1994-04-18
AU646416B2 (en) 1994-02-24
HU908012D0 (en) 1991-06-28
ATE98185T1 (de) 1993-12-15
ATE119118T1 (de) 1995-03-15
EP0431240A1 (de) 1991-06-12
GR3015296T3 (en) 1995-06-30
KR910011591A (ko) 1991-08-07
AU6768990A (en) 1991-06-06
CA2031141A1 (en) 1991-06-03
CN1024773C (zh) 1994-06-01
CS593490A3 (en) 1992-03-18
DE3939970A1 (de) 1991-06-06
ES2068936T3 (es) 1995-05-01
DE59003790D1 (de) 1994-01-20
DE59008585D1 (de) 1995-04-06
AU6764990A (en) 1991-06-06
CZ279502B6 (cs) 1995-05-17
DK0432344T3 (da) 1995-06-26
DK0431317T3 (da) 1994-10-24
EP0431317A1 (de) 1991-06-12
AR246481A1 (es) 1994-08-31
HU206063B (en) 1992-08-28
BR9006102A (pt) 1991-09-24
HUT57664A (en) 1991-12-30
AU641450B2 (en) 1993-09-23
ES2047187T3 (es) 1994-02-16
JPH03187842A (ja) 1991-08-15
ATE108395T1 (de) 1994-07-15
EP0432344A1 (de) 1991-06-19
DE59006425D1 (de) 1994-08-18

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