EP0494132B1 - Emballage distributeur pour produit pâteux et procédé de fabrication d'un tel emballage - Google Patents

Emballage distributeur pour produit pâteux et procédé de fabrication d'un tel emballage Download PDF

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Publication number
EP0494132B1
EP0494132B1 EP92870002A EP92870002A EP0494132B1 EP 0494132 B1 EP0494132 B1 EP 0494132B1 EP 92870002 A EP92870002 A EP 92870002A EP 92870002 A EP92870002 A EP 92870002A EP 0494132 B1 EP0494132 B1 EP 0494132B1
Authority
EP
European Patent Office
Prior art keywords
envelope
orifice
exterior
extremity
flange
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
EP92870002A
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German (de)
English (en)
French (fr)
Other versions
EP0494132A1 (fr
Inventor
Jeffrey Piarrat
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.)
PIARRAT, JEFFREY
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP95115413A priority Critical patent/EP0693433A2/fr
Publication of EP0494132A1 publication Critical patent/EP0494132A1/fr
Application granted granted Critical
Publication of EP0494132B1 publication Critical patent/EP0494132B1/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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/771—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a flexible bag or a deformable membrane or diaphragm
    • 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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/14—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with linings or inserts
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/36—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for bakery products, e.g. biscuits

Definitions

  • the invention relates to dispenser packaging for viscous, creamy or paste products, as well as a manufacturing method for such containers.
  • the packaging according to the invention is particularly suitable for the distribution of hygiene products or cosmetics in pasty form.
  • the cosmetic and sanitary industry has long sought relatively inexpensive packaging capable of delivering its content, without requiring the use of excessive force by the user, and which retains a pleasant external appearance until the end of their existence. .
  • Containers made of kneadable materials quickly have an unattractive appearance. Rigid containers easily regain their shape by sucking in air which replaces the paste which has just been extracted therefrom, which constitutes a drawback from the point of view of the degradation of the content and its asepsis. New forms of packaging have been developed to avoid these drawbacks.
  • US Pat. No. 4,842,165 describes a bottle with an elastic wall in which is hung a pocket intended to contain the product to be dispensed according to the preamble of Claims 1 and 2. This pocket is held at mid-height at the elastic wall. A non-return valve prevents the product from going back into the pocket after compression. A second non-return device placed in the base of the bottle allows air to enter between the bottle and the pocket when compression has ceased.
  • US-4,909,416 describes a container viscous product dispenser with an external container that can be pressed or deformed locally (accordion structure) and an internal deformable pocket connected to a spout.
  • This spout has a one-way valve preventing backflow of the contents to the pocket.
  • a second valve allows the introduction of air between the pocket and the outer container.
  • One of the aims of the invention is precisely the production and the placing on the market of a packaging distributor of viscous and pasty products which retains its shape, which is easy to produce and of low cost price.
  • Another object of the invention is that this packaging, which would only be used once, remains perfectly reliable throughout its use. Another aim is that the consumer can use it to the end without excessive grinding.
  • the subject of the invention is a dispenser packaging for a pasty or viscous product
  • a dispenser packaging for a pasty or viscous product comprising a dispensing head and a body, said dispensing head comprising a spout traversed by a discharge opening, closable at one end by a removable closure and connected by its other end to a collar;
  • the body essentially tubular, develops along an axis and has an inner envelope and a outer envelope surrounding said inner envelope, these two envelopes being closed at one end of the body and being, at the other end, interconnected and at the periphery of the flange of the dispensing head, the internal envelope being more flexible than the outer envelope, devoid of elastic memory and capable of containing a pasty or viscous product;
  • the outer casing being more elastic and more rigid than the inner casing, nevertheless make it deformable under the effect of a manual compressive force and capable of returning to its original shape when the compressive force ceases to be applied.
  • a non-return device prevents the passage of air from the volume between the outer envelope and the inner envelope to the outside when the outer envelope is compressed, but allows the passage of ambient air to this volume when the compression ceases to be applied.
  • the body of this packaging comprises two joined envelopes, these envelopes being joined and merged with the flange of the dispensing head and thus maintained at the level of said flange and at at least two points at the end of the body opposite to said dispensing head.
  • This packaging is characterized in that said envelopes are formed in one operation, the body being formed of at least two superimposed layers made from at least one sheet of material, folded in two along an axis perpendicular to that of said body. , welded overlapping on their sides extending along the axis of the body, their free end being connected to the periphery of the collar of the dispensing head.
  • this packaging is characterized in that the two envelopes are formed in one operation, the body consisting of at least two superimposed layers formed from at least one sheet of material, wound on themselves around the axis along which said body develops, said body comprising at least one weld substantially parallel to this axis.
  • the end of the tubular body opposite the dispensing head is formed by a weld; in an alternative form, the end of the tubular body opposite the dispensing head is secured to the periphery of the collar of a base.
  • the outer envelope is formed of at least two sub-layers.
  • the inner envelope and the sub-layers of the outer envelope are identical to each other.
  • the inner envelope and the sub-layers of the outer envelope can moreover constitute the successive folds of the same sheet of material.
  • a central sub-layer and the inner envelope are made of the same material and preferably constitute two plies of the same sheet of material.
  • the middle sub-layer and the inner envelope are formed from a single sheet in the form of a sleeve flattened in substance along a plane.
  • the non-return device preferably comprises at least one orifice in the external envelope, a valve disposed on the internal face of the external envelope opposite said at least one orifice, an area where the external envelope and the internal envelope are not secured surrounding said at least one orifice and said valve.
  • the non-return device comprises at least one orifice formed in the outer envelope, the inner envelope being formed of a sheet whose edges are overlapped welded, the overlap of the edges of this sheet and the position of the weld being such that there remains, outside the internal envelope, a free end, the external envelope and the internal envelope being joined to one another in such a way that the free end is disposed opposite the orifice and forms a valve for said orifice, this arrangement forming a non-return device.
  • the non-return device comprises at least one orifice drilled in the outer casing, at least one orifice drilled in the middle layer, the material covering surface flexible between these two orifices forming a non-return valve, an area in which the outer casing and the middle sub-layer are not secured surrounding said valve.
  • the non-return device comprises at least one orifice drilled along a overlap weld of two sheets, the edge of the covered sheet extending at least as far as this at least one orifice , so as to form a non-return valve for this at least one orifice.
  • the subject of the invention is also a method of manufacturing dispenser packaging which comprises the following operations: superposition of at least two layers of materials, made from at least one sheet of material, one of these layers being more rigid and more elastic than the second, the second being, conversely, more flexible and devoid of elastic memory than the first; arrangement of a non-return device; transverse folding or winding of these layers superimposed on themselves so as to form substantially tubular bodies; hermetic junction of the sides of the layers extending along the axis of these bodies; closing one of the ends of these tubular bodies by hermetically sealing the layers of the external envelope together and by securing the layers of the internal envelope between them; joining together the sides of the layers forming the open end of the tubular wall; securing the open end of each of the tubular bodies with the flange of a head, so that the inner casing, the outer casing and the flange form an inseparable whole.
  • This process preferably includes a surface joining of the two layers, a surface representing at least 50% of the total surface in contact remaining free to move.
  • this method further comprises the following preliminary operation: folding of a sheet of flexible material so as to produce at least two superposed layers.
  • the arrangement of a non-return device advantageously comprises the following operations: drilling at least one orifice in the outer envelope of the tubular body, and placement of a non-return valve between the outer casing and the inner casing.
  • this insertion of a non-return device comprises the following operations: drilling at least one orifice in the outer envelope of the tubular body; drilling at least one second orifice in a middle layer of the tubular body, the second orifices not coming opposite the first, and provide a covering surface which is not glued between the axis of these first and second orifices, this covering surface forming a non-return valve.
  • Another advantage is the low volume of raw materials required for manufacturing.
  • Another advantage lies in the ease of changing the manufacturing parameters, given the simplicity of the manufacturing process.
  • Another advantage is the possibility of variations in possible shapes.
  • Another advantage is that the design of the packaging ensures good maintenance of the inner envelope which empties without the formation of residual pockets.
  • Fig. 1 schematically shows two parts of the packaging according to the invention.
  • the head 1 essentially comprises a dispensing spout 2 axially crossed by an orifice 3.
  • One end of the spout 2 is normally closed by a removable closure (not shown).
  • the other end widens to form a collar 4.
  • This collar 4 is provided, over its entire periphery, with a contact surface 5.
  • the packaging also includes a body 6 composed of two envelopes 7, 8 made of materials of different stiffness, the stiffest and most elastic material being arranged towards outside.
  • weld 9 could be replaced by a line of adhesive (or any other means known to those skilled in the art) without departing from the scope of the invention.
  • Fig. 2 shows the same packaging in its completed form.
  • the collar 4 is connected to the tubular body 6 and thus hermetically closes the volume determined by each of the envelopes 7, 8 making up the body 6; we note that at the terminal stage, the flange 4 is completely merged with the two outer 7 and inner 8 casings.
  • the other end of the tubular body 6 is closed by a weld 10 which secures all of the layers together, both layers forming the inner envelope 8 than the layers forming the outer envelope 7.
  • FIG. 3 shows the packaging 1 in section at the height of the valve 12. The thicknesses of the walls have been deliberately accentuated.
  • the ends of the envelopes 7, 8 are sealed together, hermetically with respect to one another by the longitudinal weld 9.
  • the internal envelope 8 determines with the flange 4, on the one hand, and with the transverse weld 10, of the other, a volume ("the internal volume") which will be occupied by the pasty product for which the packaging is intended.
  • the external volume also delimited on either side by the flange 4 and the transverse weld 10.
  • This second volume initially reduced, when the packaging is full, contains air and communicates with the atmosphere through the opening 11.
  • a valve 13 closes this opening 11 - unidirectionally - so that the air presses on the valve 13 and cannot escape towards the outside when compressed packaging, but can easily enter when this pressure stops.
  • this device is simple: when the contours of the external envelope 7 are pressed, the air trapped in the external envelope 7 compresses the internal envelope 8 and causes the expulsion of a determined quantity of product pasty.
  • valve 12 can be replaced, according to the desired performance, by any other non-return device, preferably inexpensive.
  • any other non-return device preferably inexpensive.
  • the pocket formed by the internal envelope 8 is reduced accordingly. However, it is held in place throughout by the longitudinal weld 9 and by gluing zones which do not, however, retain more than half of its surface, so as to allow a gradual withdrawal and as complete an ejection as possible of the pasty product which it contains and avoid obstruction of the spout 2 by the formation of a pocket in the internal wall.
  • Fig. 4 shows another embodiment of a packaging according to the invention.
  • the body 6 is formed by folding in the direction of the length two sheets forming envelopes 7, 8 of different superimposed rigidities, the sheet forming the most rigid envelope 7 always being turned outwards.
  • the body 6 is sealed along its axis by two junctions 15 securing (by welding or by gluing) the longitudinal edges of these folded sheets.
  • a dispensing spout 2 is fixed, by a flange 4 of suitable shape, to the free edge of the body 6 thus formed.
  • the external volume communicates through the orifice 11 with the atmosphere.
  • the method of manufacturing a package according to the invention is quick and inexpensive and its elements are found in the figures described.
  • a first form of process one starts from sheets of materials having two different rigidities 16, 17 (by their nature or by their thickness). For continuous production, these sheets are generally removed mechanically from rolls with continuous unwinding. After superposition, the sheets 16, 17 are wound on themselves and welded to form a tubular sleeve 18. It is also possible to glue the two sheets 16, 17 over at least part of their perimeter.
  • the sections are cut to length and a non-return device 12 is inserted or formed in the body 6. A weld or a sizing at the end allows the insertion of the collar 4, supporting the spout 2, on the body 6.
  • the packaging is finished by pinching the other end 10 of the body or inserting it on a base.
  • a single sheet 19 of plastic material for example which, for manufacturing, is first folded back on itself and glued between two plies, so as to form an outer layer. thicker and more rigid composite.
  • This folded sheet 19 is used as a superposition of sheets, wound on itself and welded to form a sleeve as described above.
  • a glued sheet reacts better than an identical sheet with double thickness would react.
  • the adhesive layer 20 in fact also participates, by its intrinsic mechanical properties and by its thickness, in the properties of the envelope.
  • Figs. 6 and 10 to 13 show different ways of arranging the sheets to produce the body of a package according to the invention.
  • Fig. 6 shows, in perspective, a stack comprising a flexible sheet 16 and a more rigid sheet 17, in this case of substantially rectangular shape.
  • These sheets 16, 17 have two longitudinal sides 21, 22 and two transverse sides 23.
  • a securing means 20 glue, in this case
  • the non-return device 12, as it appears in section in FIG. 9, here comprises a valve 13 closing the orifice 11 drilled in the most rigid layer 17.
  • the longitudinal sides 21, 22 or the transverse sides 23, 23 are brought together so as to obtain the successive configurations shown in FIGS. 7 and 8, and finally a tubular shape 18.
  • the two edges in contact 21, 22 or 23, 23 are joined to maintain this shape.
  • Fig. 10 shows another starting point for producing, according to the same process, packaging according to the invention.
  • a single sheet 19, of uneven thickness is folded in two along a longitudinal axis.
  • Two superimposed layers 24, 25 of different rigidity are obtained.
  • the winding can be done along a longitudinal axis, parallel to the fold, or along a transverse axis, perpendicular to the latter.
  • the two layers 24, 25 are partially glued (while retaining their relative freedom over at least 50% of their surface).
  • a valve 13 is inserted on the most rigid layer 24, at the level of an orifice 11 so as to produce a non-return device 12.
  • the double fold necessary for the formation of the two envelopes 7, 8 can also be obtained by flattening, roughly along a plane, a section of hose made in the appropriate material or materials. This flattened hose is then folded back on itself, as shown in Figs. 7 and 8 to form a new tubular body 18.
  • Fig. 11 shows another form of a stack of sheets that can be rolled up to form the body of a package according to the invention.
  • it is a sheet of uneven thickness.
  • the thinner part 27 forms the lower layer.
  • the two free ends 28, 28 of the original sheet, which are thicker, form the upper layer. They are joined by a welded connection which will remain visible after winding since it is part of the outer envelope 7.
  • Such an embodiment shows that the sheets forming the inner 8 and outer 7 envelopes can be interrupted without doing any harm to the good packaging operation. Consequently, it is possible to integrate into the manufacturing process of the packaging according to the invention intermediate operations without departing from the basic concept. Furthermore, with reference to FIG.
  • this manufacturing method allows the easy production of a non-return device 12.
  • the end 31 of the covered part is allowed to protrude slightly below; this part 31 is applied just like a valve on the orifice 11 formed near the weld.
  • a valve can also be provided in a middle layer, of lower elasticity, the orifice of the valve being placed opposite an orifice 11 formed in the outer casing 7; the efficiency of the valve thus formed can be improved by a longitudinal notch, which weakens the section, or by two transverse notches which reduce the length.
  • Figs. 12 and 13 illustrate the possibility of producing a packaging body from a sheet 32, 33, 34 folded in two folds on itself, so as to obtain three layers 32, 33, 34 of superimposed material.
  • perforations 11, 35 Prior to folding, perforations 11, 35 are produced on two of the folds, arranged so as not to come opposite one another, as seen in FIG. 15.
  • the tongue 36 of flexible material separating these two perforations 11, 35 performs the function of a non-return valve 12, further improved by the bending which occurs during the manufacture of the body 6 of the packaging.
  • the shape and dimensions of the holes 11 and 35 depend on the rigidity of the plastic used.
  • the fold 32 intended to be turned towards the outside and the median fold 33 are secured, by gluing 20 for example (with the exception of the area surrounding the perforations), so as to obtain a "double" wall, more rigid than the "simple" layer of the inner envelope 34 and which therefore functions perfectly according to the principle of the invention.
  • the folding can be done in a Z as in FIG. 12 or in cross folds as in FIG. 13.
  • Fig. 14 two sheets 37, 38 of different materials are used: a sheet 37 of more rigid material and a sheet 38 of more flexible material, the latter folded in half.
  • the first envelope is obtained by joining the first sheet 37 and one of the folds of the second sheet 38, by making the non-return device 12 according to the method described above.
  • the second envelope 8 is produced by joining the longitudinal edges of the second sheet 38. The whole is wound as described above (Fig. 7, 8) to form the body 6 of the package.
  • Fig. 16 shows the section of a coiled body using a structure as described in FIG. 14. As can be seen, it is possible, during the superimposition, to slightly offset the sheets 37, 38 relative to each other, which makes it possible in particular to save material and improve the technical qualities of packaging.
  • Fig. 18 shows another very advantageous way of producing a non-return device.
  • the outer envelope 7 has an orifice 11.
  • the edges of the sheet forming the inner envelope 8 have a strong overlap and are welded longitudinally by a weld 9, so that a free edge 31 s 'extends in the interval between the inner casing 8 and the outer casing 7 and comes opposite the orifice 11.
  • This free edge 31 assumes the role of a valve vis-à-vis this orifice 11 and forms therewith a non-return device 12. Maintaining the relative positions of the two envelopes 7, 8 is ensured by a bonding 20 disposed near the valve 12.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Tubes (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP92870002A 1991-01-04 1992-01-03 Emballage distributeur pour produit pâteux et procédé de fabrication d'un tel emballage Expired - Lifetime EP0494132B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP95115413A EP0693433A2 (fr) 1991-01-04 1992-01-03 Emballage distributeur pour produit pâteux et procédé de fabrication d'un tel emballage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9100008A BE1004298A3 (fr) 1991-01-04 1991-01-04 Emballage distributeur pour produit pateux.
BE9100008 1991-01-04

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP95115413.7 Division-Into 1992-01-03

Publications (2)

Publication Number Publication Date
EP0494132A1 EP0494132A1 (fr) 1992-07-08
EP0494132B1 true EP0494132B1 (fr) 1996-05-22

Family

ID=3885265

Family Applications (2)

Application Number Title Priority Date Filing Date
EP92870002A Expired - Lifetime EP0494132B1 (fr) 1991-01-04 1992-01-03 Emballage distributeur pour produit pâteux et procédé de fabrication d'un tel emballage
EP95115413A Withdrawn EP0693433A2 (fr) 1991-01-04 1992-01-03 Emballage distributeur pour produit pâteux et procédé de fabrication d'un tel emballage

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP95115413A Withdrawn EP0693433A2 (fr) 1991-01-04 1992-01-03 Emballage distributeur pour produit pâteux et procédé de fabrication d'un tel emballage

Country Status (5)

Country Link
US (1) US5275311A (enrdf_load_stackoverflow)
EP (2) EP0494132B1 (enrdf_load_stackoverflow)
AT (1) ATE138338T1 (enrdf_load_stackoverflow)
BE (1) BE1004298A3 (enrdf_load_stackoverflow)
DE (1) DE69210842D1 (enrdf_load_stackoverflow)

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US4020978A (en) * 1975-08-15 1977-05-03 Harry Szczepanski Manually-operated dispenser
CA1088881A (en) * 1977-10-26 1980-11-04 Joseph L. Abbott Laminated tube for collapsible containers and method of making same
US4226337A (en) * 1978-08-11 1980-10-07 Abbott Joseph L Laminated tube for collapsible containers and method of making same
US4469250A (en) * 1982-02-25 1984-09-04 Nick Sekich, Jr. Squeezable dispensing apparatus and method of operation
US4657151A (en) * 1984-04-12 1987-04-14 Baxter Travenol Laboratories, Inc. Container such as a nursing container, with flexible liner
US4760937A (en) * 1986-06-16 1988-08-02 Evezich Paul D Squeezable device for ejecting retained materials
US4909416A (en) * 1986-06-16 1990-03-20 Evezich Paul D Device for containing and dispensing flowable materials
US4842165A (en) * 1987-08-28 1989-06-27 The Procter & Gamble Company Resilient squeeze bottle package for dispensing viscous products without belching
US5108007A (en) * 1990-03-09 1992-04-28 Allergan, Inc. Valve controlled squeezable fluid dispenser

Also Published As

Publication number Publication date
EP0494132A1 (fr) 1992-07-08
EP0693433A2 (fr) 1996-01-24
DE69210842D1 (de) 1996-06-27
EP0693433A3 (enrdf_load_stackoverflow) 1996-02-07
ATE138338T1 (de) 1996-06-15
US5275311A (en) 1994-01-04
BE1004298A3 (fr) 1992-10-27

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