WO1999043555A1 - Procede permettant d'envelopper des paquets etanches en matiere souple pour divers produits, en particulier alimentaires, et chemise ainsi obtenue - Google Patents

Procede permettant d'envelopper des paquets etanches en matiere souple pour divers produits, en particulier alimentaires, et chemise ainsi obtenue Download PDF

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Publication number
WO1999043555A1
WO1999043555A1 PCT/IB1999/000327 IB9900327W WO9943555A1 WO 1999043555 A1 WO1999043555 A1 WO 1999043555A1 IB 9900327 W IB9900327 W IB 9900327W WO 9943555 A1 WO9943555 A1 WO 9943555A1
Authority
WO
WIPO (PCT)
Prior art keywords
jacket
pack
die
substance
flexible material
Prior art date
Application number
PCT/IB1999/000327
Other languages
English (en)
Inventor
Ferruccio Patelli
Original Assignee
Ferruccio Patelli
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 Ferruccio Patelli filed Critical Ferruccio Patelli
Priority to AU22963/99A priority Critical patent/AU2296399A/en
Publication of WO1999043555A1 publication Critical patent/WO1999043555A1/fr

Links

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
    • B65D75/52—Details
    • B65D75/525—External rigid or semi-rigid supports
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages
    • 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
    • B65D75/52—Details
    • B65D75/54—Cards, coupons, or other inserts or accessories
    • B65D75/56—Handles or other suspension means

Definitions

  • the present invention concerns packaging of various products, in particular food, e.g. mixtures or liquid solutions.
  • liquid substances e.g. water, milk, fruit or vegetable juices are packaged m packs obtained from flexible or semi-rigid material, suitably folded and welded.
  • the above mentioned Patent proposes a pack for liquid substances, in particular food, obtained by joining longitudinal edges of an element made of a sheet of flexible material, folded in such a way as to assume a sleeve shape with the longitudinal edges turned outwards.
  • Suitable welding lines are made on the joined longitudinal edges, so as to define a channel, which is closed on one end and communicates with the pack inside on the other end.
  • the joined longitudinal edges feature also a longitudinal breaking line made thereon, so as to allow a partial detaching of the obtained portion.
  • a transversal tearing cut is made on the joined longitudinal edges, so as to allow the detachable portion tc open at the end opposite to the one communicating with the pack inside.
  • This pack has a well defined spatial configuration, allows a comfortable use of the product contained therein and maintains this configuration independently from the quantity of product remained therein.
  • the object of the present invention is to propose a method according to which a jacket is obtained for tightly enveloping a pack of flexible material for various products; the task of the jacket is to support and protect this pack.
  • Another object of the present invention is to propose a method by which a cheap group jacket - pack can be obtained, m particular cheaper than containers of semi-rigid material.
  • a further object of the present invention is to propose a method for obtaining a jacket of any spatial configuration, and, if needed, leaving a part of the pack visible.
  • Yet another object of the present invention is to obtain a group jacket - pack, in which the pack is easily accessible from outside of the jacket.
  • Still further object of the present invention is to propose a jacket tightly enveloping a pack of flexible material, which supports and protects this pack and makes it accessible from outside .
  • the die is maintained closed until the hardened substance contained therein defines a jacket, that tightly envelops the relative pack, and then the die is opened and the jacket - pack group is removed therefrom.
  • an oblong core is previously inserted in the die, that is filled with one substance, or a mixture of substances or substance solutions which become hard in a predetermined time. After that the substance has become hard, two half-shells are formed separated by said core.
  • the die is opened and the core removed therefrom. Then a pack of flexible material is introduced into the mold of the die formed by said half-shells, that is closed by fixing said half-shells to each other, so as to form a jacket tightly enveloping said pack. Lastly, the die is opened and the jacket - pack group is removed therefrom.
  • a package is obtained for sealed packs made of flexible material for various products, in particular food, that includes a jacket tightly adhering to a relative sealed pack made of flexible material.
  • FIG. 1 is a schematic view of a possible packaging line carrying out the proposed method
  • FIG. 2 is a schematic front view of a jacket obtained by this method;
  • FIG. 3 and 4 are the section views taken along III-III, IV-IV of Figure 2;
  • - Figure 5 is a perspective view of an enlarged particular of the upper part of the above mentioned jacket
  • - Figure 6 is a schematic view of a technical-practical aspect, which allows to use the contents of the enveloped pack;
  • FIG. 7 schematically shows how the contents of the pack can be extracted therefrom;
  • FIGS 8 and 9 are front and lateral views of one of many possible embodiments of the jacket obtained according to the present invention;
  • FIGS 10, 11 are front and plan views of another embodiment of the jacket obtained according to the present invention.
  • FIG. 12 is a schematic view of a stack of jackets being subject of the present invention.
  • - Figure 13 is a schematic plan view of an apparatus carrying out another embodiment of the method; - Figures 14, 15 are schematic sectional views taken along XIV-XIV, XV-XV of Figure 13.
  • reference numeral 1 indicates schematically an apparatus, which produces sealed packs 2 according to known and not shown means and according to techniques known to those skilled in the field.
  • the packs 2 contain a product which can be of any kind, e.g. food.
  • These packs are usually made of only one material, e.g. transparent synthetic resin and can be easily re-cycled.
  • All kinds of products can be packed this way e.g. water, milk, fruit and vegetable juices, mixtures of liquids, mixtures of liquids and solids, solid or doughy food products, and so on; in case of food products, the packs are made of material suitable for food, e.g. polypropylene.
  • the packs 2 leaving the apparatus are still joined one to another along a strips 3; each strip joins two subsequent packs.
  • Known conveying means 4 transport packs 2, preferably stepwise, to a molding station 5.
  • This station 5 includes a die 6 formed by e.g. two shells 6a, 6b, which are opened to receive a pack 2a and then closed.
  • this strip 3 is cut by suitable means, not shown, connected to the die.
  • a suitable substance e.g. foaming (in particular, polyurethane foam)
  • foaming is injected inside the closed die 6 through relative ducts 11, m order to fill the free space of the die 6, and presses the sides of the pack 2 making it assume a predetermined spatial configuration ( Figures 3, 4). While becoming hard, this foaming substance polymerizes in a predetermined period of time.
  • the foaming substance can be replaced with a substance, or a mixture of substances or solutions, which hardens m a predetermined period of time, with or without exchange of heat with outside (i.e. heat application or elimination) .
  • the die 6 While the foaming substance becomes hard, the die 6 is moved away from the station 5 by a conveying line which is straight or of a carrousel type, or by any other means.
  • the apparatus 1 productivity can be increased by providing two or more stations 5 with joined thereto relative injection means performing the operation explained above, and corresponding lines for feeding soft packs 2.
  • This jacket supports and protects the relative pack, and it can be of any shape, e.g. parallelepiped, thus allowing its storing in stack 10, which results in advantages for transport, storing and arrangement on the shop shelves.
  • a part 3a of the strip 3 protrudes from one head of the wrapping, e.g. from the upper head 6a.
  • the jacket forms a kind of niche 7, which makes the pack accessible from outside of the jacket .
  • the product contained m the pack can be used by removing an edge 3b of the portion 3a in the region of the niche 7 ( Figure 7) .
  • the group 50, formed by the jacket 6 and the pack 2 can be equipped with any kind of a cap, e.g. a cap with guarantee seal .
  • the jacket obtained according to the proposed method can have any shape or configuration, e.g. it can have one or more lateral windows 8a, 8b ( Figures 8, 9) which make it possible to see the contents of the pack 2, obviously if these windows are made from a transparent material. It is also possible to provide a handle 9 for the jacket 6 ( Figures 10, 11) .
  • the jacket 6 can be produced using material, whose specific weight is lower than the specific weight of the cardboard used for producin ⁇ known packs
  • This jacket is efficiently resistant to impacts and protects its pack from tearing, puncturing and other damages.
  • the jacket 6 is obtained with cheap apparatus, and from cheap material, i.e. substance defining this jacket due to its solidification.
  • the jacket obtained by the proposed method supports and protects the relative pack.
  • the spatial configuration of the jacket can be of any kind, e.g. parallelepiped.
  • Windows can be made in the jacket to see the pack inside, and if needed, a handle can be formed on the jacket for easy handling of the group jacket - pack.
  • This apparatus includes a wheel 60, which carries four angularly equidistant dies 70.
  • Each die 70 is formed by two shells 71a, 71b ( Figures 14, 15) , which open and close according to known techniques, and which feature, joined thereto, an oblong core 71c, whose dimensions are complementary to the pack 2.
  • the wheel 60 is moved stepwise by 90° rotation, thus positioning each die in subsequent stations SI, S2, S3, S4. -9-
  • a substance of the same type as described in the first embodiment is injected to the die, so as to wrap the core 71c.
  • the die is opened and the core 71c is withdrawn therefrom, two half-shells 80a, 80b fixed to the relative shells, are formed.
  • the pack 2 is introduced between the half-shells 80a, 80b. Afterwards, the die is closed and the half-shells are heat- welded, either because the half-shells are still hot, or by local application of heat by known means.
  • a suitable adhesive agent can be applied to these surfaces of the half-shells which must match with each other, so as to allow their mutual fixing.
  • the two half-shells define a jacket 160 tightly enveloping the pack 2.
  • the die is opened, so as to allow withdrawal of the group jacket 160 - pack 2, which has the same advantages and technical-functional features as the group jacket 6 - pack 2 obtained according to the first embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packages (AREA)

Abstract

Procédé permettant d'envelopper des paquets en matière souple destinés à divers produits, en particulier alimentaires, selon lequel un paquet étanche (2) constitué d'une matière souple est placé dans une matrice ouverte (6) qui est ensuite fermée et remplie d'une substance, ou d'un mélange de substances ou de solutions de substances. La substance durcit en un laps de temps prédéterminé pendant lequel la matrice est maintenue fermée jusqu'à ce que la substance durcie qu'elle contient définisse une chemise (6) qui enveloppe étroitement le paquet. La matrice est alors ouverte et l'emballage formé par la chemise (6) et le paquet (2) en est extrait.
PCT/IB1999/000327 1998-02-25 1999-02-24 Procede permettant d'envelopper des paquets etanches en matiere souple pour divers produits, en particulier alimentaires, et chemise ainsi obtenue WO1999043555A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU22963/99A AU2296399A (en) 1998-02-25 1999-02-24 Method for packaging sealed packs of flexible material for various products, in particular food, and a jacket so obtained

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO98A000111 1998-02-25
IT98BO000111A IT1299866B1 (it) 1998-02-25 1998-02-25 Metodo per l'imballaggio di confezioni sigillate di materiale flessibile per prodotti vari, in particolare alimentari, e imballo

Publications (1)

Publication Number Publication Date
WO1999043555A1 true WO1999043555A1 (fr) 1999-09-02

Family

ID=11342944

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1999/000327 WO1999043555A1 (fr) 1998-02-25 1999-02-24 Procede permettant d'envelopper des paquets etanches en matiere souple pour divers produits, en particulier alimentaires, et chemise ainsi obtenue

Country Status (3)

Country Link
AU (1) AU2296399A (fr)
IT (1) IT1299866B1 (fr)
WO (1) WO1999043555A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4421253A (en) * 1982-02-17 1983-12-20 Willamette Industries, Inc. Disposable container assembly for liquids or semi-liquids in bulk
EP0122864A1 (fr) * 1983-03-08 1984-10-24 Gaston Fagniart Procédé de conditionnement parallélépipédique et conditionnement obtenu selon ce procédé
EP0201914A2 (fr) * 1985-05-17 1986-11-20 Adolph Coors Company Emballage jetable pour fluides

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4421253A (en) * 1982-02-17 1983-12-20 Willamette Industries, Inc. Disposable container assembly for liquids or semi-liquids in bulk
EP0122864A1 (fr) * 1983-03-08 1984-10-24 Gaston Fagniart Procédé de conditionnement parallélépipédique et conditionnement obtenu selon ce procédé
EP0201914A2 (fr) * 1985-05-17 1986-11-20 Adolph Coors Company Emballage jetable pour fluides

Also Published As

Publication number Publication date
ITBO980111A1 (it) 1999-08-25
ITBO980111A0 (it) 1998-02-25
IT1299866B1 (it) 2000-04-04
AU2296399A (en) 1999-09-15

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