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EP1789326B1 - Ameliorations apportees a un emballage - Google Patents

Ameliorations apportees a un emballage Download PDF

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Publication number
EP1789326B1
EP1789326B1 EP05768015A EP05768015A EP1789326B1 EP 1789326 B1 EP1789326 B1 EP 1789326B1 EP 05768015 A EP05768015 A EP 05768015A EP 05768015 A EP05768015 A EP 05768015A EP 1789326 B1 EP1789326 B1 EP 1789326B1
Authority
EP
European Patent Office
Prior art keywords
sachets
process according
edge
edges
linear
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
EP05768015A
Other languages
German (de)
English (en)
Other versions
EP1789326B8 (fr
EP1789326A1 (fr
Inventor
Gagan Hindustan Lever Research Centre DEEP
Amit Hindustan Lever Limited KUMAR
Siddharth Hindustan Lever Limited RAMASWAMY
Pratap c/o Akash Packaging SINGH
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.)
Unilever NV
Original Assignee
Unilever NV
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 Unilever NV filed Critical Unilever NV
Publication of EP1789326A1 publication Critical patent/EP1789326A1/fr
Application granted granted Critical
Publication of EP1789326B1 publication Critical patent/EP1789326B1/fr
Publication of EP1789326B8 publication Critical patent/EP1789326B8/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
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • 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
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B65B61/065—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting by punching out

Definitions

  • the invention relates to an improved process for the manufacture of sachets in a plurality of lanes in a form fill and seal (FFS) machine.
  • FFS form fill and seal
  • Sachets have been used for packing various types of products like creams, powders, liquids, tablets, noodles, granules, and pastes in various fields of technology. Sachets enable packing and selling of these products in small quantities compared to conventional packaging like bottles and jars. The sachets also enable convenient use during travel when smaller quantities in so-called 'unit-dose' amounts can be carried without spillage. The products are dispensed by tearing the sachets and using the product for a single use after which the sachet packing is discarded.
  • the sachets are also very convenient for sale to new consumers who do not want to spend a lot of money trying out new products since the cost of the product in a sachet is much lower as compared to those sold in conventional units like a bottle or a jar. Thus a consumer who wants to try a new product need not spend a lot of money buying a large quantity of the product in the conventional bottle or jar.
  • the sachet packaging has also enabled consumers in the developing countries who do not have a lot of spare money, to purchase these products in small quantities in the sachet packaging.
  • Sachets are manufactured in machines where several sachets are formed and filled, each sachet connected to the next in a long string. This string of sachets can then be hung at the point of sale for high visibility. Each sachet in the lane is separated by perforations which enable easy tearing of the desired number of sachets from the string based on the customers demand. Recently, multiple lanes of sachets are also available which is displayed at the point of sale in the so called curtain format. The sachets in the curtain format are separated by perforations along the two longitudinal edges as well as the top and bottom of the sachet.
  • Sachets have been manufactured in a variety of materials based on the product to be packaged. Products like tea and coffee have been packaged in porous paper which enable infusion of the tea/coffee when the sachet is dipped in hot water. For most other products in the detergent and cosmetic industry, the sachets have been prepared from synthetic polymers.
  • the development of automatic machines like the form fill and seal (FFS) machine has enabled very high production rates of sachets. These machines form the sachets from two films which define the front surface and the rear surface, usually by heat sealing three edges to form a three edged pocket, followed by filling of the product in the said pocket, after which the fourth edge is sealed.
  • the sachets may be cut into single lanes or may be sold in the curtain format. Perforations are provided where required along the seals to enable easy separation by tearing one or more sachets from the rest of the strip or curtain.
  • EP 0378027 (Modern Packaging, 1990 ) describes a process for the manufacture of individual sachets each containing a product which process comprises the operations of (a) preprinting two films, which form the opposite sides of the sachets and are heat-sealable on the inner sides, with the desired inscriptions on the outer side (b) bringing the two films substantially close together for depositing a product (c) partially heat-sealing the sachet around the deposited area to form the sachet in a first sealing station (d) the sachet thus profiled is displaced towards a second sealing station (e) completing the sealing in a second sealing station (f) stamping out the sachet from the web in a cut-out station using a die and a mould corresponding to the profile desired for the sachet (g) the sachets thus cut out are collected while the web cut is evacuated (h) the sachet being cut out along the heat-sealed cheek of the web characterized
  • W00123271 (Cryovac, 2001 ) describes a pouch, and a process and an apparatus for the preparation of said pouch, the pouch comprising a first lateral edge and a second lateral edge, each of the first and second lateral edges comprising a concave surface and a convex surface, wherein the concave surface of the first lateral edge is substantially opposite the convex surface of the second lateral edge and the convex surface of the first lateral edge is substantially opposite the concave surface of the second lateral edge.
  • WO01/23271 also describes pouches and process to prepare them which essentially requires the pouches to be cut into single strips thereby not providing for the curtain format.
  • the pouches of this prior art further suffers from the disadvantage that the curved shape of one lateral edge has to be complementary to the shape on the other lateral edge thereby restricting the flexibility of providing various shapes which may be desired to be given to the packaging.
  • non-linear profile on the edge of the sachet is a curved profile.
  • non-linear profiles are on the longitudinal edges of the sachets.
  • the invention provides for a process for the manufacture of sachets in a plurality of lanes in the form fill and seal (FFS) machine.
  • FFS form fill and seal
  • the sachets of the invention can be manufactured in either the horizontal or the vertical FFS machine, it is preferred that it is manufactured in the vertical FFS machine.
  • the invention concerns process for the manufacture of sachets having at least one edge which comprises a non-linear portion.
  • 'non-linear' for the purpose of this invention, is meant profiles which are not definable by a single straight line.
  • the term 'non-linear' includes angled bends formed when two or more lines are joined to each other, curves of any shape and combinations thereof. It is preferred that the non-linear profiles are curved profiles.
  • the non-linear edges could be on either the longitudinal edges or the transverse edges of the sachets, although the non-linear edges are preferably on the longitudinal edges.
  • edges By the term 'longitudinal edges' is meant the edges defined by sealing the films in the longitudinal direction of the films i.e the film in the lengthwise direction.
  • the longitudinal edges are sometimes referred to as the lateral edges of the sachets e.g the left lateral edge and the right lateral edge.
  • the transverse edges of the sachets are edges in the direction perpendicular to the longitudinal edges i.e as it is sealed breadthwise on the film.
  • the transverse edges usually define the top and the bottom of the sachet.
  • the edges of the sachets comprise non-linear profiles extending over atleast 10% percent of the length of the edge, more preferably at least 30%, further more preferably at least 60% and most preferably at least 90%of the length of the edge.
  • the profiled edges appear as cut out portion when the sachets are manufactured in a plurality of lanes in the FFS machines.
  • the profiles of the edges could be formed from one or more cut out portions.
  • the number of lanes of sachets which can be produced in an FFS machine is dictated by the width of the sachet, it is preferred that the number of lanes are between two and sixteen, more preferably between 4 and 12 and most preferably between six and twelve. It is also possible to have a profile on one edge of the sachet and a different profile on another edge.
  • polymer materials may be used in the process of the invention.
  • the preferred materials include high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), or laminates comprising of poly ethylene terephthalate (PET), biaxially oriented polypropylene (BOPP), metallised PET, foil or polyethylenes.
  • PET poly ethylene terephthalate
  • BOPP biaxially oriented polypropylene
  • metallised PET foil or polyethylenes.
  • laminates of more than one material are used for improved physical, thermal, mechanical and printiability properties. It is particularly preferred that the two surfaces which are brought in contact for forming the inside surface of the sachet are heat-sealable.
  • the view of Figure -1 depicts an embodiment of the FFS machine for forming the sachets as per the invention.
  • the sachets in the FFS machine are prepared from two films or webs which form the front (9) and the rear (10) surface of the sachet.
  • the two films are preferably prepared from a single web which is unwound from an unwind station comprising a feed roll (not depicted in the figure).
  • the feed web is then preferably slit into two halves in the longitudinal direction to form the front and the rear surface of the sachet.
  • the two films may be fed from two separate feed rollers.
  • the tension on the films is maintained by any means which maintains the films in a taut position.
  • Conventional roller based pulling system may be used, more preferably a mechanically driven pull assembly (11) may be utilized.
  • FIG. 2 depicts an embodiment of the sachets manufactured in the curtain format as per the invention.
  • the films forming the front and the rear surface of the sachet are fed to the FFS machine through appropriate feeder assembly (12).
  • the films are sealed along the longitudinal direction (41, 51, 61) to form the plurality of tubes (A1, A2, A3) using a system of vertical sealing jaws (15).
  • the vertical sealing jaws are preferably designed to include the desired dimensions especially the width of the portion (8) desired to be cut-out to define the profile of the sachet.
  • the longitudinal sealed portions may then preferably be perforated (6) using a perforation means (not shown in figure).
  • the bottom edge (2) of one row of sachets (e.g. A1, A2, A3) which is the top end of the sachets just below it (not shown in figure) is sealed using the same sealing system (15,13) which seals the longitudinal edges of the next row of sachets (B1, B2, B3).
  • this sealing system does not limit the invention and it can be envisaged that alternate systems of sealing may be used e.g. where the sealing of the longitudinal edges and the transverse edges are separately configured.
  • the bottom edge (2) of the tubes (A1, A2, A3) is formed by sealing the two films using the sealing means (13, 15) which simultaneously forms the tubes (B1, B2, B3) by sealing along the line (42, 52, 62).
  • the sealing is preferably carried out using a heat sealing machine.
  • the sealing jaws are driven intermittently preferably using a mechanical drive.
  • the heating elements are preferably PID controlled.
  • the product is then filled into the sachets formed (A1, A2, A3) from the open as yet unsealed edge (22).
  • the unsealed edge (22) which is the top edge of the sachets (A1, A2, A3) and the bottom edge of the sachets (B1, B2, B3) is then sealed using sealing means (13, 15) which simultaneously forms the tubes (C1, C2, C3) by sealing along the lines (43, 53, 63).
  • the profiles (7) are formed by punching out the cut-out portions (8). This operation is preferably carried out in a punching station.
  • the punching station preferably comprises of a punch plate (16) having the punches on one side of the film and a die plate (17) on the other side of the film which are correspondingly aligned.
  • the punch plate (16) could be mechanically or pneumatically activated.
  • the punch plate (16) and the die plate (17) are preferably guided by a punch guide.
  • the cut-out portions (8) from the punching stations are preferably removed using an air-blow/ suction means (18).
  • an air blow means followed by a suction means is used to remove the cut-out portions.
  • the sachets (A1, A2, A3) having the desired shaped profiles are thereby manufactured by way of the invention.
  • the sachets (B1, B2, B3) are then filled with the desired material. Thereafter the top edge 32 of sachets (B1, B2, B3) which is also the bottom edge of the sachets (C1, C2, C3) is then sealed. The sachets (B1, B2, B3) are then shaped as described in the case of the sachets (A1, A2, A3).
  • the seals in the transverse direction may preferably be perforated (3) using a perforation means (14). It is preferred that the perforation means is pneumatically activated.
  • the manufacturing operation is then continued as described in the case of the sachets (A1, A2, A3) and (B1, B2, B3) till the entire film is used up after which the next roll of film is loaded on to the system.
  • Figure 3 depicts an embodiment of the sachets manufactured by the process of the invention where there are two cut out portions. These cut-out portions together separate adjacent sachets by about 85% of the length of the longitudinal edge.
  • sachets having non-linear edge profiles, in the curtain format.
  • These sachets provide for distinctive character of the package and thereby the products being sold in them while enabling high visibility of the sachets when displayed at the point of sale.
  • the sachets are prepared in a sturdy manner and ensure no leakage when any number of sachets are removed from the curtain by tearing.
  • the invention provides for all of the above features while keeping the cost of production low by minimizing the amount of wastage of the web in the form of cut outs.

Landscapes

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

Claims (12)

  1. Procédé de fabrication de sachets dans une pluralité de voies dans une formeuse-remplisseuse-scelleuse, une ou plusieurs arêtes desdits sachets comprenant des profilés non linéaires sur au moins 10 % de la longueur de l'arête, lesdits sachets fabriqués par un procédé comprenant :
    (i) le scellage de deux films dans le sens longitudinal pour former une pluralité de tubes parallèles l'un par rapport à l'autre ;
    (ii) le scellage des tubes le long d'une extrémité ;
    (iii) le remplissage des tubes avec le matériau désiré ;
    (iv) le scellage des tubes au niveau de la seconde extrémité pour former une pluralité de sachets, et
    (v) le découpage à la matrice de parties des arêtes scellées des sachets pour définir les arêtes non linéaires.
  2. Procédé selon la revendication 1, dans lequel lesdits profilés non linéaires sont des profilés courbés.
  3. Procédé selon la revendication 1 ou 2, dans lequel ledit profilé non linéaire se trouve le long de l'arête longitudinale desdits sachets.
  4. Procédé selon l'une quelconque des revendications précédentes, dans lequel ledit profilé non linéaire comprend au moins 30 % de la longueur de ladite arête.
  5. Procédé selon la revendication 4, dans lequel ledit profilé non linéaire comprend au moins 60 % de la longueur de ladite arête.
  6. Procédé selon la revendication 5, dans lequel ledit profilé non linéaire comprend au moins 90 % de la longueur de ladite arête.
  7. Procédé selon l'une quelconque des revendications précédentes, dans lequel la tension est maintenue sur lesdits films en utilisant un ensemble de traction entraîné mécaniquement.
  8. Procédé selon l'une quelconque des revendications précédentes, dans lequel lesdits sachets dans une pluralité de voies sont perforés le long des arêtes longitudinales.
  9. Procédé selon l'une quelconque des revendications précédentes, dans lequel lesdits sachets dans une pluralité de voies sont perforés le long des arêtes transversales.
  10. Procédé selon l'une quelconque des revendications précédentes, dans lequel lesdits films sont thermoscellés.
  11. Procédé selon l'une quelconque des revendications précédentes, dans lequel le découpage est effectué dans une station de découpage qui comprend un porte-poinçon ayant des perforateurs sur un côté du film et une matrice de découpage sur l'autre côté du film qui sont également alignés.
  12. Procédé selon l'une quelconque des revendications précédentes, dans lequel lesdites parties sont retirées en utilisant un moyen de soufflage et/ou un moyen d'aspiration.
EP05768015A 2004-08-19 2005-08-03 Ameliorations apportees a un emballage Expired - Lifetime EP1789326B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN900MU2004 2004-08-19
PCT/EP2005/008437 WO2006018140A1 (fr) 2004-08-19 2005-08-03 Ameliorations apportees a un emballage

Publications (3)

Publication Number Publication Date
EP1789326A1 EP1789326A1 (fr) 2007-05-30
EP1789326B1 true EP1789326B1 (fr) 2007-11-14
EP1789326B8 EP1789326B8 (fr) 2008-01-09

Family

ID=34982561

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05768015A Expired - Lifetime EP1789326B8 (fr) 2004-08-19 2005-08-03 Ameliorations apportees a un emballage

Country Status (13)

Country Link
US (1) US20080172989A1 (fr)
EP (1) EP1789326B8 (fr)
JP (1) JP4727665B2 (fr)
CN (1) CN101044057B (fr)
AR (1) AR050214A1 (fr)
AT (1) ATE378256T1 (fr)
BR (1) BRPI0515229B1 (fr)
CA (1) CA2577456C (fr)
DE (1) DE602005003375D1 (fr)
ES (1) ES2296210T3 (fr)
MX (1) MX2007001970A (fr)
RU (1) RU2368551C2 (fr)
WO (1) WO2006018140A1 (fr)

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KR100867602B1 (ko) * 2007-05-11 2008-11-10 최재환 형상 파우치 제조장치
FR2921645B1 (fr) * 2007-10-02 2011-08-05 Argiletz Lab Produit comprenant un emballage souple et machine pour sa fabrication
CA2766580A1 (fr) * 2009-07-08 2011-01-13 Nestec S.A. Sachet souple et procede de fabrication
DE102009053405A1 (de) * 2009-11-14 2011-05-19 Harro Höfliger Verpackungsmaschinen GmbH Verfahren zur Herstellung von dreieckigen Verpackungsbeuteln und Anordnung dazu
MD367Z (ro) * 2010-09-16 2011-12-31 Михаил ЧЕРЕВАТЫЙ Ambalaj portabil jetabil cu produse cosmetice sau de igienă personală
ES2539374T3 (es) 2011-01-28 2015-06-30 Unilever N.V. Bolsa con perforaciones mediante láser
US10988293B2 (en) * 2011-03-17 2021-04-27 The Jel Sert Company Flexible tubular package for edible product
CN103407598A (zh) * 2012-07-13 2013-11-27 天津市信德福包装技术有限公司 间歇式真空真四封全自动包装机
ES2635351T3 (es) * 2013-04-03 2017-10-03 Jt International S.A. Aparato y procedimiento de empaquetado
RU172483U1 (ru) * 2016-10-24 2017-07-11 Закрытое акционерное общество "ТАУРАС-ФЕНИКС" Устройство формирования четырехшовных пакетов типа "саше"
CN108688854A (zh) * 2018-05-23 2018-10-23 东莞理工学院 一种用于刀片的双面封膜包装机
KR101982745B1 (ko) * 2019-01-10 2019-08-28 제이앤에이치테크(주) 파우치 포장시스템 및 방법
CN110203431A (zh) * 2019-06-12 2019-09-06 嘉兴莫因工业设备有限公司 一种钢管包装设备用套管封口装置
CN110902046B (zh) * 2019-11-05 2022-03-15 广州市广花包装机械有限公司 异形包装袋的冲切装置、制备机以及制备方法
IT202000012166A1 (it) * 2020-05-25 2021-11-25 Perfect Pack S R L Macchina confezionatrice

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Also Published As

Publication number Publication date
BRPI0515229B1 (pt) 2018-02-14
BRPI0515229A (pt) 2008-07-15
RU2007109797A (ru) 2008-09-27
MX2007001970A (es) 2007-05-09
CN101044057A (zh) 2007-09-26
US20080172989A1 (en) 2008-07-24
ATE378256T1 (de) 2007-11-15
EP1789326B8 (fr) 2008-01-09
RU2368551C2 (ru) 2009-09-27
CA2577456C (fr) 2012-12-18
EP1789326A1 (fr) 2007-05-30
ES2296210T3 (es) 2008-04-16
JP4727665B2 (ja) 2011-07-20
DE602005003375D1 (de) 2007-12-27
WO2006018140A1 (fr) 2006-02-23
CA2577456A1 (fr) 2006-02-23
JP2008509859A (ja) 2008-04-03
AR050214A1 (es) 2006-10-04
CN101044057B (zh) 2010-09-01

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