EP0681970A1 - Standbeutel und Mehrfach-Anordnung solcher Beutel - Google Patents

Standbeutel und Mehrfach-Anordnung solcher Beutel Download PDF

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Publication number
EP0681970A1
EP0681970A1 EP94870079A EP94870079A EP0681970A1 EP 0681970 A1 EP0681970 A1 EP 0681970A1 EP 94870079 A EP94870079 A EP 94870079A EP 94870079 A EP94870079 A EP 94870079A EP 0681970 A1 EP0681970 A1 EP 0681970A1
Authority
EP
European Patent Office
Prior art keywords
pouch
pouches
base wall
top portion
flat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP94870079A
Other languages
English (en)
French (fr)
Inventor
Werner Libens
Patrick Jean-Françcois Etesse
Joseph Fernand Deflander
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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 Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to EP94870079A priority Critical patent/EP0681970A1/de
Priority to PCT/US1995/005136 priority patent/WO1995031370A1/en
Priority to JP7529667A priority patent/JPH10500089A/ja
Publication of EP0681970A1 publication Critical patent/EP0681970A1/de
Withdrawn legal-status Critical Current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
    • 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
    • B65D75/008—Standing pouches, i.e. "Standbeutel"

Definitions

  • the present invention relates to self-standing flexible pouches for containing liquids or granules, particularly liquid detergents.
  • the present invention relates to a stackable pouch comprising at least a back, front and a base wall, said walls are sealed together along their peripheral edges.
  • Said pouch is self-standing supported by the base wall, i.e. said base wall is at least partially in contact with the surface upon which said pouch stands.
  • Said pouch comprises a substance free top portion. Said substance free top portion is brought into a flat surface nearly parallel to the surface upon which said pouch stands.
  • Figure 1 shows an embodiment of a pouch for the present invention.
  • Figure 2a shows a cross sectional view of the bottom portion of the unfilled pouch of Figure 1
  • Figure 2b is a front or back view of the filled pouch of Figure 1.
  • Figures 3 an 4 show possible folding steps of a pouch to get a flat top surface.
  • Figure 5 illustrates a folded pouch, the folding of which is held by a maintaining means.
  • Figure 6 shows a folded pouch, the folding of which is held by another maintaining means comprising also a carrying handle.
  • Figure 7 shows a possible assembly with the pouches of the present invention.
  • the present invention relates to a flexible pouch (Fig. 1, 1) for containing liquid or granular substances.
  • the pouch is self-standing without the need for additional supporting means.
  • the pouches of the present invention have a top portion (Fig. 1, 2) and a base portion (Fig. 1, 3) comprising a front wall (Fig. 1, 4), a back wall (Fig. 1, 5) and a base wall (Fig. 1, 6).
  • the base wall is generally perpendicular to the front and back walls when the pouch is in its filled upright position.
  • the top portion (Fig. 1, 2) of the pouches according to the present invention comprises said front (Fig. 1, 4) and back walls (Fig. 1, 5) which are superimposed upon one another.
  • the front and back walls are sealed together along their top edges (Fig. 1, 7, 8) and their peripheral edges (Fig. 1, 9, 10 and 11, 12) only in said top portion.
  • Said top portion can also comprise a top wall, sealed between the front (Fig. 1, 4) and back wall (Fig. 1, 5). For material savings, only the front, back and bottom walls are necessary for the present invention.
  • the seals in the pouches according to the present invention are preferably heat seals.
  • the base wall (Fig. 2, 21) can be folded into a pleated inverted V shape and is situated in between said front (Fig.2, 22) and back walls (Fig. 2, 23) in said base portion.
  • the inverted V shape maybe continuous with the front and back walls, such that all the walls of the pouch are formed from one single foil of pouch material.
  • said base wall may be an additional piece, separate from the front and back walls, which is further sealed at one bottom edge of said base wall with the bottom edge of the front wall (Fig. 2, 24) and sealed at the other bottom edge of said base wall with the back wall (Fig. 2, 24b) in the base portion of the pouch.
  • Each half of the pleated inverted V shape forms a corresponding leg with the front (Fig. 2, 22) and back walls (Fig. 2, 23) in the base portion when the pouch is unfilled.
  • the peripheral edges of said base wall are sealed to the peripheral edges of the corresponding front (Fig. 2, 27) or back wall (Fig. 2, 28) in the base portion.
  • the section of the base wall not sealed to the front and back walls, is such that the midsection of the base wall (Fig. 2, 29) is free and may extend up into the interior of the pouch when the pouch is unfilled.
  • the pouch is not only self-standing, but said pouch is also able to withstand the load of at least another stacked pouch in a stable manner.
  • a possible way to get a pouch with a substantial part of the base wall in contact with the surface upon which the pouch stands, as can be seen by the Figure 2b representing a filled pouch, is given by sealing the base wall to the front wall peripheral edge (Fig. 2b, 27) and said back peripheral edge (Fig. 2b, 28) in said base portion with oblique seals. All of the peripheral edges of said front and back walls and said base wall in said base portion are substantially along oblique seals. Said oblique edges are substantially parallel with said oblique seals.
  • Oblique as used herein is determined with reference to the perpendicular axes (Fig. 1, 13a, 13b) which extend from the top portion of the pouch along the inner edge of the seals of the peripheral edges of the front and back walls when the pouch is filled in its upright position into the base portion.
  • An oblique seal or oblique peripheral edge according to the present invention is a seal or peripheral edge which does not lie along said perpendicular axes, but is inclined away from said perpendicular axes towards the bottom edge (Fig. 1, 14) of the base portion (Fig. 1, 3), so as to form an obtuse angle (Fig. 1, ⁇ ) between the inner edge of the seal of the peripheral edge of the top portion and the corresponding inner edge of the peripheral edge of the base portion.
  • the obtuse angle is preferably from 90° deg to 180° deg, more preferably from 120° deg to 150° deg.
  • the dimensions of the pouch or the total amount of contained substance may be chosen by any person skilled in the art for the appropriate use of the present invention. As said before, it is sufficient that the pouch is stable and self- standing without any need for additional support means. Preferably, a substantial part of the base wall is in contact with the surface upon which the pouch stands.
  • the pouches may have at least one, preferably 1 to 4 vertical ridges on the front and back walls of said pouch, (Fig. 1, 15) when the pouch is in its filled upright position.
  • the ridges preferably extend from the bottom edge of the base portion corners (Fig.1 16, 16b) vertically up at least into the top portion of the pouch. Said ridges are preferably parallel with the perpendicular axes (Fig. 1, 13, 13b).
  • the ridges according to the present invention preferably extend at least 50% of the length of the front and back walls, when the pouch is in its upright position, preferably from 50% to 90%, more preferably from 70% to 90%.
  • the ridges give the pouches the desired configuration in at least the base portion and help retain said configuration.
  • the ridges also help the base wall to remain in contact with the surface upon which the pouch stands and helps to stiffen the pouches.
  • the pouches of the present invention have a substantially rectangular footprint in at least the base portion of said pouches.
  • one of the corners of the top portion of the pouches may be removed to provide an opening so that the consumer can pour out the contents of the pouch. Therefore, in another preferred embodiment of the present invention, the ridges of the front and the back walls near the corner, which can be opened, run towards the apex of said corner so as to create a pour spout shape that pops open when said corner is opened.
  • the pouches of the present invention may comprise a handle (Fig.1, 17) in the top portion of said pouch.
  • the handle is a sealed corner of the front and back walls in the top portion of said pouch.
  • Said sealed corner is the corner between the top edges (Fig.1 ,7, 8) of the front and back walls and one of the peripheral edges of said front (Fig. 1, 11) and back (Fig.1,12) walls in the top portion such that the front (Fig.1,4) and back walls (Fig.1, 5) are sealed together beyond their edges.
  • a piece of the sealed portion is removed from the center of said sealed portion so that an opening (Fig. 1, 18) is formed to enable a consumer to place the fingers through said opening.
  • Said opening is preferably oblong and substantially parallel with the bottom edge of the seal (Fig.1, 19).
  • the top edge of the seal of the handle (Fig.1, 20) is preferably parallel with the edge of said opening and said bottom edge of the opening seal.
  • Said pouches may be used as sample pouches and refill pouches for reusable containers.
  • Suitable materials for use as the front, back and base walls according to the present invention are preferably thin, to reduce the amount of material used and the associated cost, whilst being sufficiently thick, and tough enough to resist punctures and leaks caused by abrasion and rough handling.
  • the pouch material is from 50 ⁇ m to 500 ⁇ m, more preferably from 100 ⁇ m to 300 ⁇ m.
  • the front, back and base walls are also selected from materials that can be easily handled and sealed together, preferably by heat sealing in a high-speed form, fill and seal apparatus.
  • Suitable flexible materials for use herein may be selected from thermoplastics, preferably polyethylene, most preferably linear low density polyethylene (LLDPE).
  • the front, back and base walls are preferably made of the same material. It may be preferred to have a stiffer material in the base wall, than in the front or back walls. For example, using LLDPE for the front and back walls, whereas a middle density polyethylene (MDPE) coextrude can be used for said base wall.
  • LLDPE linear low density polyethylene
  • MDPE middle density polyethylene
  • the plastic material may also be a composite material constituted by at least two layers of different plastic materials such that one of said material is thermally weldable while the other is not.
  • LLDPE polyethylene terephthalate
  • OPP oriented polypropylen
  • the base wall is made thicker preferably between 5 and 100%, more preferably between 10 and 50%, and most preferably between 25 and 30% than the front or back walls.
  • the pouches according to the present invention may be filled with solids or fluids such as food products, laundry detergents, softeners, automatic dishwasher detergents and hard surface cleaners.
  • the pouches according to the present invention are filled with liquid detergents.
  • the pouches according to the present invention have an air-free portion, i.e. said pouches are not restlessly filled with the contained substance and the remaining rest of the volume is under partial or complete vacuum. This vacuum is mainly maintained starting from an unfilled, flat pouch during the filling and sealing operation.
  • the pouches described above demonstrate a stable self-standing, but not a stable stacking possibility.
  • the difficulty arises from the fact that the front and back wall are directly sealed together forming an edged top, as can be seen in Figures 1 and 3. Said edged top of a first pouch does not give a sufficient supporting surface to the base wall of a stacked second pouch.
  • the way of folding the top of the pouches can be various.
  • the folding has to create a sufficiently flat surface.
  • Said surface is at least nearly parallel to the basis of the pouch in its standing position.
  • Said surface efficiently acts as a stable support for the base wall of another stacked pouch, since said surface has approximately the same dimensions of the base wall of the pouch.
  • the top air-free portion (Fig. 3a, 32) of the pouch (Fig. 3a, 30) is bent till it is approximately horizontal, as illustrated in Figure 3b.
  • approximately a width w of the middle part of said air-free portion is held in the horizontal position, whereas the remaining extremity parts (Fig. 3c, 33 and 34) are upwardly bent again into an approximately vertical position.
  • These vertical parts (Fig. 3c, 33 and 34) are now bent one over another, as schematically illustrated by the arrows (Fig. 3c, 36 and 37), onto the bent middle part (Fig. 3d, 32) of width w.
  • a flat top surface with approximately the same dimensions as the base wall of the pouch and parallel to the supporting basis, is achieved. Said surface efficiently acts as a stable carrying support for the base wall of another stacked pouch, as shown in Figure 3e.
  • the top air-free portion (Fig. 4a, 32) is first flattened forming a flat top portion (Fig. 4a, 38) with approximately the dimensions of the base wall of the pouch, and forming the extremity parts (Fig. 4a, 40 and 42).
  • These extremity parts (Fig. 4a, 40 and 42) can again be bent in two possible directions : onto the flat top portion (Fig. 4b, 38) an extremity part over another, or in the opposite direction (see Figure 4c).
  • Any folding which results in a horizontal, flat surface, and which efficiently acts as a stable load carrying support for another stacked pouch, is part of the present invention.
  • the folding are fastened with appropriate means.
  • This fastening means may be chosen by any person skilled in the art. For example, ligatures or adhesive tapes may be used. But also straps, plastic film bands, shrinkable plastic film bands are possible. These fastening means (Fig. 5, 43) are placed partially or completely around the pouch maintaining the folding, as illustrated in Figure 5, therefore preventing the flat top surface to unfold. Fastening means comprising also a handle (Fig. 6, 44) are possible, as shown in Figure 6. A handle with adhesive extremities only may also be envisaged.
  • the pouches according to the present invention may be manufactured according to the methods well known to the man skilled in the art, and described for example in the above mentioned U.S. Patent No. 3 380 646 or in the European Application No. 93870118.2.
  • the process may be a continuous, a semi-continuous or a multi-step batch process. In any case, before the filling the pouch is left unsealed along the top edges (Fig. 1, 7, 8) in the top portion (Fig. 1, 2) of said pouch.
  • this pouch is placed in the magazine of the filling machine.
  • the pouch is picked up, opened along the unsealed top edges, filled with the desired liquid or granular substance and then sealed along said top edges.
  • the filling operation is nearly air-free, i.e. a certain part of the top portion (Fig. 1, 2) remains substance free after the pouch is filled with the desired amount of liquid or granular substance.
  • the filled pouch is subsequently folded as described above.
  • the filled and sealed pouches having a flat top surface described above are able to be stacked one over another forming an assembly.
  • Several of said pouches can be packed together in a shipping unit (Fig.7, 40).
  • Said shipping unit is formed to a rectangular shape, suitable to be stacked with other similar shipping units for depot and transport. Stacking several of these shipping units a complete assembly or pallet stack (Fig. 7, 50) is obtained.
  • the shipping units of consumer units made of filled and sealed pouches having a flat top surface may be formed in several ways.
  • Said pouches may be packed together in a wrap-around plastic film.
  • Said plastic film can be also shrinkable. It is also not necessary that said pouches forming the shipping unit have fastening means described above. Another possibility is to use simply straps tightening said pouches together.
  • open or closable boxes with rectangular bases, in which several of said pouches are inserted are also possible.
  • Said boxes are made of cardboard, preferably corrugated cardboard's. Nevertheless, other materials, like plastic materials, are possible.
  • Said boxes have to be sufficiently resistant to carry at least the load of a shipping unit consisting of several filled pouches according to the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
EP94870079A 1994-05-11 1994-05-11 Standbeutel und Mehrfach-Anordnung solcher Beutel Withdrawn EP0681970A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP94870079A EP0681970A1 (de) 1994-05-11 1994-05-11 Standbeutel und Mehrfach-Anordnung solcher Beutel
PCT/US1995/005136 WO1995031370A1 (en) 1994-05-11 1995-04-20 Self-standing pouch, and assembly thereof
JP7529667A JPH10500089A (ja) 1994-05-11 1995-04-20 自立パウチ及びその組立体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94870079A EP0681970A1 (de) 1994-05-11 1994-05-11 Standbeutel und Mehrfach-Anordnung solcher Beutel

Publications (1)

Publication Number Publication Date
EP0681970A1 true EP0681970A1 (de) 1995-11-15

Family

ID=8218640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94870079A Withdrawn EP0681970A1 (de) 1994-05-11 1994-05-11 Standbeutel und Mehrfach-Anordnung solcher Beutel

Country Status (3)

Country Link
EP (1) EP0681970A1 (de)
JP (1) JPH10500089A (de)
WO (1) WO1995031370A1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2835809A1 (fr) * 2002-02-13 2003-08-15 Mars Inc Nouvelle boite en particulier palettisable, palette comprenant cette boite et leurs procedes de fabrication
WO2003068628A1 (en) * 2002-02-13 2003-08-21 Mars, Incorporated A palletizable box
FR2847885A1 (fr) * 2002-11-28 2004-06-04 Mars Inc Nouvel emballage en particulier palettisable, palette comprenant cet emballage et leurs procedes de fabrication
WO2010050880A1 (en) 2008-10-31 2010-05-06 Ecolean Research & Development A/S Packing unit, shipping unit and a method of manufacturing a packing unit
US10549896B2 (en) 2017-05-26 2020-02-04 The Procter & Gamble Plaza Flexible packages with self-folding
US10981708B2 (en) 2017-05-26 2021-04-20 The Procter & Gamble Company Methods of self-folding flexible packages
US11299333B2 (en) 2017-04-04 2022-04-12 The Procter & Gamble Company Flexible packages with flat panels
US11299337B2 (en) 2017-05-24 2022-04-12 The Procter & Gamble Company Flexible packages with flat panels

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1786019A1 (de) * 1968-08-06 1971-11-11 Spiess C F & Sohn Verfahren zur Herstellung eines Beutels,insbesonders Standbeutel aus thermoplastischem Kunststoff
FR2097845A5 (de) * 1970-06-11 1972-03-03 Jentsch Hans
FR2215359A1 (de) * 1973-01-26 1974-08-23 Doyen Leon
FR2294093A1 (fr) * 1974-12-13 1976-07-09 Doyen Leon Recipient en matiere plastique thermosoudable
WO1990009933A1 (fr) * 1989-02-22 1990-09-07 Paulze D Ivoy Roland Poche en matiere souple thermo-soudable, et procede de realisation d'une telle poche et de conditionnement simultane d'un produit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2006786A (en) * 1933-04-19 1935-07-02 Beauvisage Johann Adhesive band for closing paper wrappers of packages
DE1511619A1 (de) * 1966-05-17 1969-08-07 Hoefliger & Karg Verfahren zum Herstellen prallvoller Beutelpackungen
US4119268A (en) * 1976-03-25 1978-10-10 Great Plains Bag Corp. Bag having a handle secured thereto
FR2417445A2 (fr) * 1978-02-15 1979-09-14 Vittel Eaux Min Recipient en matiere synthetique, mince et souple
US4358466A (en) * 1980-04-11 1982-11-09 The Dow Chemical Company Freezer to microwave oven bag
FR2482051A1 (fr) * 1980-05-06 1981-11-13 Thimon Emballage de charge sans palette a lit reduit delimitant des espaces lateraux de prehension
US4500001A (en) * 1983-11-25 1985-02-19 Daniels Frank J Palletizing process and a product of that process
US4848931A (en) * 1985-11-20 1989-07-18 Toyo Aluminium Kabushiki Kaisha Packaging sheet and containers and pouches using the sheet
US5178275A (en) * 1991-12-05 1993-01-12 Richard L. Fleury Eight-sided columnar container

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1786019A1 (de) * 1968-08-06 1971-11-11 Spiess C F & Sohn Verfahren zur Herstellung eines Beutels,insbesonders Standbeutel aus thermoplastischem Kunststoff
FR2097845A5 (de) * 1970-06-11 1972-03-03 Jentsch Hans
FR2215359A1 (de) * 1973-01-26 1974-08-23 Doyen Leon
FR2294093A1 (fr) * 1974-12-13 1976-07-09 Doyen Leon Recipient en matiere plastique thermosoudable
WO1990009933A1 (fr) * 1989-02-22 1990-09-07 Paulze D Ivoy Roland Poche en matiere souple thermo-soudable, et procede de realisation d'une telle poche et de conditionnement simultane d'un produit

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2835809A1 (fr) * 2002-02-13 2003-08-15 Mars Inc Nouvelle boite en particulier palettisable, palette comprenant cette boite et leurs procedes de fabrication
WO2003068628A1 (en) * 2002-02-13 2003-08-21 Mars, Incorporated A palletizable box
FR2847885A1 (fr) * 2002-11-28 2004-06-04 Mars Inc Nouvel emballage en particulier palettisable, palette comprenant cet emballage et leurs procedes de fabrication
WO2004048223A1 (en) * 2002-11-28 2004-06-10 Mars, Incorporated Packaging, particularly a palletizable packaging, a pallet carrying it and their methods of manufacture
WO2010050880A1 (en) 2008-10-31 2010-05-06 Ecolean Research & Development A/S Packing unit, shipping unit and a method of manufacturing a packing unit
US11299333B2 (en) 2017-04-04 2022-04-12 The Procter & Gamble Company Flexible packages with flat panels
US11299337B2 (en) 2017-05-24 2022-04-12 The Procter & Gamble Company Flexible packages with flat panels
US10549896B2 (en) 2017-05-26 2020-02-04 The Procter & Gamble Plaza Flexible packages with self-folding
US10926930B2 (en) 2017-05-26 2021-02-23 The Procter & Gamble Company Flexible packages with self-folding
US10981708B2 (en) 2017-05-26 2021-04-20 The Procter & Gamble Company Methods of self-folding flexible packages
US11312550B2 (en) 2017-05-26 2022-04-26 The Procter & Gamble Company Flexible packages with self-folding

Also Published As

Publication number Publication date
JPH10500089A (ja) 1998-01-06
WO1995031370A1 (en) 1995-11-23

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