EP0254968A2 - Emballage pour liquide avec couvercle embouti - Google Patents

Emballage pour liquide avec couvercle embouti Download PDF

Info

Publication number
EP0254968A2
EP0254968A2 EP87110248A EP87110248A EP0254968A2 EP 0254968 A2 EP0254968 A2 EP 0254968A2 EP 87110248 A EP87110248 A EP 87110248A EP 87110248 A EP87110248 A EP 87110248A EP 0254968 A2 EP0254968 A2 EP 0254968A2
Authority
EP
European Patent Office
Prior art keywords
tube
edge
lid
pouring device
pouring
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
EP87110248A
Other languages
German (de)
English (en)
Other versions
EP0254968A3 (en
EP0254968B1 (fr
Inventor
Hans Dr. Rausing
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 Pak Finance and Trading 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 Pak Finance and Trading SA, Tetra Alfa Holdings SA filed Critical Tetra Pak Finance and Trading SA
Priority to AT87110248T priority Critical patent/ATE73081T1/de
Publication of EP0254968A2 publication Critical patent/EP0254968A2/fr
Publication of EP0254968A3 publication Critical patent/EP0254968A3/de
Application granted granted Critical
Publication of EP0254968B1 publication Critical patent/EP0254968B1/fr
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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/28—Handles
    • B65D25/2882—Integral handles
    • B65D25/2888—Integral handles provided near to or at the upper edge or rim
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D15/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials
    • B65D15/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums
    • B65D15/04—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper
    • B65D15/08—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper with end walls made of plastics material

Definitions

  • the invention relates to a package for flowable fillings with a tube formed by at least one longitudinal sealing seam, at the ends of which bottom and lid are attached, of which the lid consists of thermoplastic material without a support material, is welded to the tube and has a pouring device, the tube from at least one side with thermoplastic plastic-coated carrier material, e.g. B. cardboard.
  • Packs of this type are widely known.
  • the cover is round in plan view and molded onto the tube wall, which is round in cross section, in order to ensure secure and liquid-tight attachment of the cover to the upper edge of the tube.
  • complex machines with precisely adjusted tool parts are required, so that packs of the known type can be produced in large quantities per unit of time only with considerable effort.
  • Another liquid pack is known in which the bottom is formed from a separate, flat wall piece having at least one surface of thermoplastic and is welded to the edge of the tube, which is round in cross-section, the level of the bottom lying inside the tube and transverse to the tube is arranged by the tube side walls of the pack, the edges of the bottom overlap the upper tube edge in a U-shape.
  • This design of the base was chosen because it is inexpensive and prefabricated in high-performance machines, kept in stock and can be removed from it in a favorable manner and sealed onto the edge of the tube. Due to the U-shaped gripping of the lid edge over the lower tube edge (because of the bottom), the welding jaws can grip the tube edge on both sides and compressive forces exercise, but through which the cheapest seal and thus liquid seal can be created.
  • the object of the invention is to provide a pack of the type mentioned, in which a simple to produce lid with good pouring properties can be attached in a liquid-tight manner without the stackability of such a pack being significantly impaired.
  • the lid is placed as a prefabricated, separate part by means of a flange encompassing the upper edge of the tube and welded to the edge and has a partial surface which is lower than the outer contour and which is partially brought up to the edge of the tube in such a way that the lid engages around the tube edge in the area of the partial surface in a U-shape.
  • the inventor proposed a prefabricated lid for a liquid pack of the type mentioned at the outset, which has a flange on the outside at the edge with a diameter such that this flange can grip around the top of the tube on the outside.
  • a partial surface is sunk towards the inside of the pack or is drawn lower, wherever this partial surface touches the tube edge, a U-shaped encirclement of the tube edge can be achieved by the lid material brought close to the edge of the tube, so that it overlaps the tube edge U-shaped at the edge as in the known bottom. Only the area of the pouring device is omitted according to the invention, so that the disadvantages mentioned above no longer occur during pouring. Otherwise, the favorable shape of the lid edge is used to apply pressure and counterpressure when welding the lid onto the tube edge.
  • the teaching according to the invention provides a way here proposed how a good welding and sealing between the lid and tube at the tube edge is still possible: one uses the tensile stress in the paper when welding the lid to the paper tube. This exploitation is particularly favorable for the counter forces of the welding jaw if the pouring opening is in a lid edge area which has a high curvature.
  • the top view is preferably of quadrangular design, and the pouring device lies in a corner of this quadrangle.
  • the angle here is about 90 ° and thus creates a not inconsiderable tensile stress in the paper. This is sufficient to support a strong counterforce when welding jaws are pressed onto the lid from the outside in the direction of the outer tube surface.
  • the plane surrounding the pouring opening of the pouring device lies approximately at the height of the upper edge of the tube.
  • the above-mentioned pouring properties of the pouring device according to the invention can be optimally designed. After the liquid has left the pouring opening during pouring, it only needs to continue flowing over the plane surrounding this opening in order to reach a pouring edge located at the outermost edge, from which the stream can break off and form a liquid jet in the desired, ideal manner.
  • the tube of the pack forms the side faces and consists of paper coated on both sides with thermoplastic.
  • a bottom (not shown) is attached, which can be, for example, square and is formed from the folded tube of the pack as a folding closure and has a transverse sealing seam with triangular flaps folded over onto an adjacent wall.
  • the cover 2 is triangular in plan view, with two edges running along the upper edges of the two flat side surfaces and the third line of the triangle connecting these two sides running across the diagonal, if one looks at the package, which is square in cross-section below and above, from above . In the other half of the square, as seen from above, there is a recess in area 3 of the pack (FIGS. 1 and 4) such that the volume of the pack is tapered towards the top. A lid 4 is attached in the cut-off volume area.
  • the cover 2 is of particular importance for the invention. It is a prefabricated, separate part made of thermoplastic material without carrier material. On the outer circumference, the cover 2 has a flange 5 which projects on one side and engages around the upper edge or the upper edge 6 of the tube 1.
  • the lid 2 also has a lower-lying partial surface 21, which is drawn or countersunk in relation to that plane 22 in the direction of the interior of the package, which surrounds the pouring opening 7 of the pouring device, generally designated 8.
  • the lower-lying partial surface 21 is designed to be as large as possible and surrounds the pouring device 8 on all sides as far as possible except for the front pouring tip 9, so that the U-shaped encompassing of the thermoplastic lid material around the tube edge 6 largely even around the pouring device 8 has moved around.
  • the other embodiment according to FIG. 4 is also conceivable, in which the lower-lying partial surface 21 has an approximately trapezoidal shape without reaching closer to the pouring opening 7 or even encompassing it on three sides. It has been shown in tests that the tensile stress in the paper material of the tube 1 is sufficient to support the pressure of the welding jaw from outside to inside in the region of the pouring device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cartons (AREA)
  • Coating Apparatus (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Air Bags (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP19870110248 1986-07-28 1987-07-16 Emballage pour liquide avec couvercle embouti Expired - Lifetime EP0254968B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87110248T ATE73081T1 (de) 1986-07-28 1987-07-16 Fluessigkeitspackung mit tiefgezogenem deckel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8618380 1986-07-28
GB8618380A GB2193189B (en) 1986-07-28 1986-07-28 A pack for flowable material

Publications (3)

Publication Number Publication Date
EP0254968A2 true EP0254968A2 (fr) 1988-02-03
EP0254968A3 EP0254968A3 (en) 1988-07-20
EP0254968B1 EP0254968B1 (fr) 1992-03-04

Family

ID=10601812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870110248 Expired - Lifetime EP0254968B1 (fr) 1986-07-28 1987-07-16 Emballage pour liquide avec couvercle embouti

Country Status (8)

Country Link
US (1) US4878593A (fr)
EP (1) EP0254968B1 (fr)
JP (1) JPS6333249A (fr)
AT (1) ATE73081T1 (fr)
AU (1) AU596855B2 (fr)
DE (1) DE3777003D1 (fr)
ES (1) ES2030022T3 (fr)
GB (1) GB2193189B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0356578A1 (fr) * 1988-08-30 1990-03-07 MILCHWERKE H. WÖHRMANN & SOHN GMBH & CO. KG Récipient pour produits fluides
DE29804789U1 (de) * 1998-03-17 1998-05-14 Technotron GmbH, 67550 Worms Mehrteilige wiederverschließbare Kunststoffverpackung
EP0999143A3 (fr) * 1998-11-06 2000-09-27 Sonoco Development, Inc. Récipient composite de forme triangulaire

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004051630B4 (de) 2004-10-23 2011-03-03 Anton Jazbinsek Behälter und Verfahren zu dessen Herstellung
US9950838B2 (en) * 2015-02-11 2018-04-24 Antonio Bajuyo Handheld fluid container

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB907436A (en) * 1960-02-11 1962-10-03 Hesser Ag Maschf Packaging container
CH402729A (de) * 1961-03-30 1965-11-15 Hesser Ag Maschf Verschlusseinrichtung an einem steifen Verpackungsbehälter

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH432358A (de) * 1964-10-14 1967-03-15 Hesser Ag Maschf Verpackungsbehälter, insbesondere für Flüssigkeiten
GB1123783A (en) * 1965-10-19 1968-08-14 Metal Box Co Ltd Improvements in or relating to containers
JPS534682A (en) * 1976-06-30 1978-01-17 Toppan Printing Co Ltd Container and method of producing same
SE416285B (sv) * 1977-12-01 1980-12-15 Akerlund & Rausing Ab Staplingsbar topp/botten till forpackningsbehallare
US4184604A (en) * 1978-09-21 1980-01-22 Owens-Illinois, Inc. Drinking lid
US4201306A (en) * 1978-10-27 1980-05-06 Greif Bros. Corporation Variable capacity all-plastic drum
US4190174A (en) * 1979-01-29 1980-02-26 Thermo-Seal, Inc. Drinking receptacle cover with a lip operated valve
US4762249A (en) * 1981-02-13 1988-08-09 Packaging Resources Incorporated Thermoplastic container end for inertial spinwelding of thermoplastic container ends
DE3409425A1 (de) * 1984-03-15 1985-09-26 Michael Hörauf Maschinenfabrik GmbH & Co KG, 7334 Süssen Papierbehaelter mit einem doppelwandig gewickelten mantel und verfahren zu seiner herstellung
US4629088A (en) * 1985-03-11 1986-12-16 Handi-Kup Company Container lid with drink-through opening
US4699290A (en) * 1986-06-18 1987-10-13 Adams Jay J Sanitary tamperproof double closure container end cap

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB907436A (en) * 1960-02-11 1962-10-03 Hesser Ag Maschf Packaging container
CH402729A (de) * 1961-03-30 1965-11-15 Hesser Ag Maschf Verschlusseinrichtung an einem steifen Verpackungsbehälter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0356578A1 (fr) * 1988-08-30 1990-03-07 MILCHWERKE H. WÖHRMANN & SOHN GMBH & CO. KG Récipient pour produits fluides
DE29804789U1 (de) * 1998-03-17 1998-05-14 Technotron GmbH, 67550 Worms Mehrteilige wiederverschließbare Kunststoffverpackung
EP0999143A3 (fr) * 1998-11-06 2000-09-27 Sonoco Development, Inc. Récipient composite de forme triangulaire

Also Published As

Publication number Publication date
GB2193189B (en) 1990-03-07
ATE73081T1 (de) 1992-03-15
DE3777003D1 (de) 1992-04-09
JPS6333249A (ja) 1988-02-12
GB2193189A (en) 1988-02-03
EP0254968A3 (en) 1988-07-20
EP0254968B1 (fr) 1992-03-04
US4878593A (en) 1989-11-07
AU596855B2 (en) 1990-05-17
GB8618380D0 (en) 1986-09-03
AU7599687A (en) 1988-02-04
ES2030022T3 (es) 1992-10-16

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