EP1276677A1 - Sachet, en particulier pour produits cosmetiques liquides - Google Patents

Sachet, en particulier pour produits cosmetiques liquides

Info

Publication number
EP1276677A1
EP1276677A1 EP01933826A EP01933826A EP1276677A1 EP 1276677 A1 EP1276677 A1 EP 1276677A1 EP 01933826 A EP01933826 A EP 01933826A EP 01933826 A EP01933826 A EP 01933826A EP 1276677 A1 EP1276677 A1 EP 1276677A1
Authority
EP
European Patent Office
Prior art keywords
frame ring
bag according
receiving bag
ring
outlet device
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
EP01933826A
Other languages
German (de)
English (en)
Other versions
EP1276677B1 (fr
Inventor
Eva Paster
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.)
Corpack GmbH
Original Assignee
Corpack GmbH
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 Corpack GmbH filed Critical Corpack GmbH
Publication of EP1276677A1 publication Critical patent/EP1276677A1/fr
Application granted granted Critical
Publication of EP1276677B1 publication Critical patent/EP1276677B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers

Definitions

  • the present invention relates to a receiving bag for liquid cosmetic products with at least one elastic membrane wall surrounding the receiving space, a frame ring surrounding the membrane wall and an annular protective shell which fixes the frame ring and through which a circumferential annular channel is provided which protects at least the edge regions of the membrane walls, the Protective shell is composed of an upper and a lower shell element and the frame ring is fixed in the region of the separating surfaces of the two shell elements.
  • Such a pouch is e.g. known from WO 97/46465 A1.
  • This deals with a flexible packaging bag, which consists of two foils welded together at their edge areas. A mouthpiece is inserted at one point of the bag.
  • This bag can be inserted into a frame which consists of an upper and a lower frame part which are connected to one another by a hinge. The edge of the bag has a few openings that can be snapped onto pins on the frame.
  • the pouch is fixed in its position relative to the frame. By folding the two frame parts together and using the lock, the bag should be held securely and stably in the frame.
  • the frame ring has a profiling with at least one elevation and / or depression and the separating surfaces of the shell elements have a counter-profiling adapted to them and the shell elements and the frame ring interlock positively with the profiling or counter-profiling.
  • This configuration offers the possibility that the receiving bag is fixed within the protective shell over the entire frame ring. This distributes the force necessary for the fixation evenly over the entire circumference. The additional weakening of the bag material by punching holes and other openings is not necessary.
  • a special aspect of this configuration is also to be seen in the fact that the bag does not stretch excessively, as in the case of previously used tubular bags (which would result in relatively thick structures), but also a relatively flat one, depending on the stability of the frame ring and the elasticity of the membrane walls Recording bag can be designed. Due to the shape of the frame ring, an adapted shape of the membrane walls can be easily created countless different shapes on the receiving bags (eg polygon shapes of any kind).
  • An outlet device communicating with the receiving space can advantageously be provided.
  • An outlet device makes it unnecessary that the receiving bag has to be torn open. This can be designed in a variety of ways to meet the most varied of dosage requirements. In most cases, however, a sealed closing and reopening of the outlet device will suffice.
  • a structurally simple embodiment provides that the frame has a circular groove, at least in sections, as the profiling.
  • a suitable counter-profiling of the separating surface of at least one of the shell elements then ensures secure engagement in this annular groove and anchoring of the frame ring over a large area.
  • very intimate locking of these components can be achieved.
  • an upper side of the frame ring has an annular groove encircling at least sections and a lower side of the frame ring has an elevation encircling at least sections in an annular manner.
  • the counter-profiles on the parting surfaces of the two shell elements are each designed differently, thus ensuring an asymmetrical fixation.
  • the annular groove and the elevation can advantageously be produced jointly by an embossing process carried out on the frame ring.
  • the frame ring can be provided with a corresponding profile by a single deformation process. Material is pressed in on one side, which forms on the other side of the elevation.
  • the frame ring is formed by the interconnected edge regions of two membrane walls surrounding the receiving space.
  • plastic materials e.g. ultrasonic welding of the edge areas of the membrane walls to produce the frame ring.
  • an upper side and a lower side of the frame ring are each formed with an annular groove that runs at least in sections.
  • the corresponding elevations as counter profiles are then configured on the shell elements and engage in these ring grooves.
  • the outlet device can be integrated in the frame ring.
  • the outlet device is arranged at a stable point, as a result of which any opening and closing operations can also be carried out very easily.
  • the outlet device can advantageously comprise a closure element for opening and closing an outlet channel formed by the outlet device.
  • Containers for liquid cosmetic products in particular can also be carried out here, in particular when they are attached to the frame ring.
  • the frame ring and the outlet device can be arranged between the two membrane walls. At least one membrane wall then has a recess adapted to the outer contour of the outlet device, the edge regions of the recess being attached to the outlet device.
  • the frame ring also ensures that the two membrane walls at the edge region of the receiving space are already at a certain distance from one another, so that these regions are also sufficiently filled with the mostly viscous liquids.
  • An advantageous embodiment for attaching the frame ring to the ring-shaped protective shell consists in that an annular groove is formed at the foot of the ring channel, in which the frame ring is received with a substantially precise fit.
  • the frame ring is virtually inserted into the base of the protective shell and held securely by it.
  • additional connection methods such as gluing etc. can also be used.
  • the separating surfaces of the two shell elements can be placed in such a way that the ring channel also extends into an upper and lower circumferential ring channel section is divided. It is important that the ring channel section of a shell element is open laterally in such a way that the frame ring can be inserted into it. For manufacturing reasons, the separating surfaces therefore preferably divide the protective shell and the ring channel symmetrically. The same manufacturing forms can therefore be used for the shell elements.
  • the ring groove has a cross-sectional shape with an undercut as a counter-profile and the frame ring has a cross-sectional shape as a profile that engages in the undercut at least in regions.
  • the most diverse cross-sectional shapes e.g. Dovetail or similar, applicable.
  • a further firm connection by gluing or welding between the frame ring and the shell elements is no longer necessary, since this can no longer be removed from the ring groove after the shell elements have been joined.
  • the ring groove comprises at least one convex side wall and the ring frame comprises at least one concave end section adapted to it.
  • the end face section can both engage in a form-fitting manner in the undercut and also enable secure attachment of the edge regions of the membrane wall or walls without sharp edges.
  • the protective shell can be adapted in a form-fitting manner to the outlet device so that it is also additionally fixed.
  • the protective shell comprises a recess which essentially surrounds the outlet device in a form-fitting manner, the outlet channel penetrating the protective shell.
  • the liquid cosmetic product thus flows out of the protective shell.
  • a particularly favorable shape results from the fact that the membrane walls are circular and the frame ring is annular, the membrane walls stretching out in a lenticular manner when the receiving space is filled. If favorable proportions are selected and there is a suitable liquid in the receiving space, an additional function can be achieved when using a favorable membrane wall material, which makes the receiving bag extremely attractive, particularly for cosmetic products. In such circumstances, the receiving bag is capable of being used as a magnifying lens. Magnifying lenses of this type are extremely advantageous, particularly in the cosmetics sector, especially since there has never before been a pouch with such a function in this field.
  • a further advantage can be achieved in that the opening delimited by the protective shell has an elliptical cross section, a longest line of symmetry of the elliptical cross section intersecting the outlet device.
  • the membrane walls can be squeezed closer to the wall regions, in particular in the direction of the outlet device, than offset by 90 °. This supports the fact that the entire content can be pushed out of the receiving space, even if a relatively rigid protective shell is used.
  • the annular channel of the protective shell has a U or V shape in cross section.
  • the frame ring is made of a plastic material and the edge areas of the membrane walls, which are also made of a plastic material, with the End faces of the frame ring are ultrasonically welded.
  • the edge areas are simply placed on the frame ring and then welded to it.
  • the edge areas take the same shape as the end faces of the frame ring, which is why a later inclusion in a profiled ring groove is not a problem.
  • the optical properties and a visual fill level assessment can be improved in that the membrane walls consist of a transparent plastic film. This can be colored as well as, in combination with the color and permeability of the cosmetic product, create a wide variety of effects in the recording room.
  • the invention makes it possible for the shell to fix the frame ring at a protected location, if necessary, and also to encompass the edge areas of the membrane walls in a protective manner at least in some areas.
  • the design of the protective shell can be selected such that, on the one hand, a fall of the receiving bag onto the edge of the rim is intercepted and that a fall on the broad side of the bag does not lead to bursting either.
  • the edge of the bowl can also catch a fall on the broad side. This means that pressures building up in the interior of the receiving space due to an impact load cannot lead to the bag bursting, in particular on the attachment to the frame ring.
  • the outlet device can comprise a penetration device for piercing a membrane wall.
  • the outlet opening is then only created by perforating a membrane wall at a selected point.
  • the outlet channel extends through the penetration device so that it can remain in the inserted state.
  • FIG. 1 shows a receiving bag according to the present invention in a front view
  • FIG. 2 shows the inner part of the receiving bag from FIG. 1, consisting of membrane walls, frame ring and closure element, in a perspective view,
  • FIG. 3 the receptacle bag from FIG. 1 in an exploded view
  • FIG. 4 shows a cross-sectional illustration of the receiving bag from FIG. 1 in the unfilled state
  • FIG. 5 shows a cross-sectional representation of the receiving bag from FIG. 1 in the filled state
  • Fig. 6 is an enlarged view of the edge region of the bag from Fig. 5 before assembly
  • FIG. 7 shows the edge region of the inner part from FIG. 2 in an enlarged cross-sectional view
  • FIG. 8 shows a second embodiment of a receiving bag in a plan view
  • FIG. 10 is an enlarged detail view of the edge region of the receiving bag from FIG. 9.
  • the receiving bag 1 shown in FIG. 1 has a circular shape in the front view and is used primarily to hold liquid cosmetic products. It can be seen from FIG. 3 that the receiving bag 1 consists of six components, two of which, however, are designed as an integral unit. This is an essentially circular lower membrane wall 2 made of a soft, elastic plastic, an upper membrane wall 3 which is configured identically to the lower membrane wall 2, an annular lower shell element 4, an upper shell element 5 which is designed identically to this and a frame ring 6, on which the outlet device 7 is integrally attached.
  • the centerpiece of the receiving bag 1 is the annular frame ring 6, which is interrupted at one point, the outlet device 7 defining the outlet channel 8 being arranged in this gap.
  • the frame ring 6 and the outlet device 7 are produced by a single injection molding process.
  • the outer diameters of the membrane walls 2 and 3 essentially correspond to the outer diameter of the frame ring 6.
  • the edge region 9 of the lower membrane wall 1 is firmly connected to the lower end face 10 of the frame ring 6 and the edge regions 11 to the upper end face 12 of the frame ring 6.
  • the connection is usually made by ultrasonic welding.
  • a receiving space 13 (see also FIG. 5) is formed between the lower membrane wall 2 and the upper membrane wall 3 by this connection process.
  • Both the lower membrane wall 2 and the upper membrane wall 3 each have a recess 14 or 15 which is open towards the edge region 9 or 11.
  • the cutout 14, 15 is adapted to the outer contour of the outlet device 7, so that it lies flush against a wall region of the outlet device 7.
  • the edge region of the cutout 14, 15 is then firmly connected to the outside of the outlet device 7 (for example by ultrasonic welding).
  • the inner part 16 shown in FIG. 2 is obtained. This inner part 16 is only open in the region of the outlet channel 8 which is circular in cross section. Otherwise, the receiving space 13 is due to the fixed connection Membrane walls 2 and 3 on the frame ring 6 and the outlet device 7 closed.
  • the lower and the upper shell element 4, 5 are placed on the inner part 16 to form a protective shell 17.
  • the protective shell 17 is designed in a ring shape and has a circular outer contour and an elliptical inner contour.
  • the lower and upper shell element 4, 5 are each provided with a cutout 18, 19, which encompass the outlet device 7 in a form-fitting manner. As a result, the outlet channel 8 also extends outward through the protective shell 17.
  • the front area of the outlet device 7 is also positively adapted to the outer contour of the protective shell 17.
  • the outer contour of the protective shell 17 can be described as a lenticular base body through which an elliptical bore has been driven perpendicular to its longitudinal axis. For this reason, the height of the protective shell 17 also changes depending on the position of the elliptical bore.
  • the longitudinal axis of the elliptical openings 20 in the lower and upper shell element 4, 5 cuts the recess 18, 19, preferably symmetrically.
  • the protective shell 17 defines on its inside a circumferential annular channel 21 which is U or V-shaped in cross section.
  • the annular channel 21 is divided symmetrically so that half is arranged in the lower and upper half shells 4, 5.
  • At the foot of the ring channel 21 there is still an essentially circumferential annular groove 23 at the abutment point 22 (see FIG. 6), which serves to receive the frame ring 6 with a precise fit.
  • the groove base of the annular groove 23 is defined or limited by circumferential webs 24, 25, which come into contact with one another and are connected when the shell elements 4, 5 are joined. As a result, the edge region of the inner part 16 is completely shielded from the outside of the protective shell 17.
  • the end faces 10 and 12 of the frame ring 6 are concave, so that the frame ring 6 is thinner in cross-section in the middle than on the inside or outside edge.
  • the side walls 26, 27 of the annular groove 23 are convexly curved.
  • the shape of this convex curvature is exactly the same as the shape of the concave Curvature of the end faces 10 and 12 of the frame ring 6 adapted so that the frame ring 6 is received in a form-fitting manner in the annular groove 23.
  • the edge regions 9 and 11 of the membrane walls 2 and 3 also come into contact with the side walls 26 and 27, so that these are additionally secured again.
  • the shape of the annular groove 23 forms an undercut 28 which, in interaction with the cross-sectional shape of the frame ring 6, ensures that this component is securely anchored. It can also be seen very well in FIG. 7 that the membrane walls 2, 3 do not lie directly on one another at their edge regions, but are spaced apart from one another by the interposed frame ring 6. This means that there are no bottlenecks that would be difficult to fill with liquid cosmetic products.
  • the shape of the end faces 10 and 12 also supports the clamping of the membrane walls 2, 3 during the filling process, since there is an essentially tangential transition to the connection point. This reduces the load at this point.
  • Fig. 4 shows the receiving bag 1 before filling with a liquid cosmetic product.
  • the membrane walls 2, 3 are only a small distance from one another, which corresponds approximately to the inner width or thickness of the frame ring 6.
  • a liquid cosmetic product is then filled in via the outlet channel 8.
  • the membrane walls 2, 3 bulge or bulge, so that the shape shown in FIG. 5 results.
  • the inner part 16 takes on a lens shape through this process. 5 also clearly shows how the protective shell 17 surrounds the edge region of the inner part 16 in a protective manner.
  • the outlet device 7 can be designed in a wide variety of ways. In this e.g. Valve devices or simple closure devices can be placed.
  • plastic materials are preferably used to produce the receiving bag 1, a wide variety of optical effects can be achieved. If, for example, a stable, transparent plastic film, so there is a magnifying lens depending on the cosmetic product located in the receiving space 13, which will certainly be used in the cosmetics sector.
  • the position of the elliptical opening 20 also has a positive effect, since the cosmetic product can be pressed out as completely as possible in the direction of the outlet channel 8.
  • the receiving bag 1 shown in FIG. 8 does not comprise a separate frame ring, but the frame ring 6 is formed by the edge regions of the lower and upper membrane walls 2 and 3 and is produced by ultrasonically welding these regions. As a result, the frame ring 6 is stiffer than the membrane walls 2 and 3.
  • the top of the frame ring is provided with a V-shaped ring groove 29 which runs completely around the frame ring 6.
  • the upper shell element 5 has a narrow annular groove 23 which has just such a width that the frame ring fits in between.
  • the side surface of the annular groove 23 formed by the upper shell element 5 is provided with a triangular-shaped elevation in cross section, which also runs in a ring shape and engages in a form-fitting manner in the V-shaped annular groove 29 in the frame ring 5.
  • annular groove 29 is formed by an embossing process, there is a V-shaped elevation on the underside of the frame ring 6, which extends in a ring shape corresponding to the annular groove 29.
  • the lower shell element 4 is provided with a V-shaped annular groove 30 into which a triangular, ring-shaped elevation of the frame ring 6 engages.
  • the annular groove 29 on the upper side of the frame ring 6 and the elevation on the opposite side of the frame ring 6 result from a common stamping process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

L'invention concerne un sachet pour produits cosmétiques liquides qui comprend au moins une paroi membranaire (2, 3) élastique entourant la zone de réception (13), un cadre annulaire (6) entourant ladite paroi membranaire et une enveloppe de protection (17) de forme annulaire qui fixe ledit cadre annulaire et présente un canal annulaire (21) périphérique entourant au moins les zones d'extrémité (9, 11) des parois membranaires, de façon à protéger lesdites zones. Ladite enveloppe de protection est constituée d'éléments d'enveloppe supérieur et inférieur (4, 5) et ledit cadre annulaire (6) est fixé au niveau des surfaces de séparation des deux éléments d'enveloppe (4, 5). Selon la présente invention, ledit sachet doit offrir une meilleure stabilité. A cet effet, le cadre annulaire (6) présente un profil ayant au moins une partie saillante et/ou une partie profonde ; les surfaces de séparation des éléments d'enveloppe présentent un contre-profil, adapté audit profil, et les éléments d'enveloppe ainsi que le cadre annulaire entrent en contact mutuel par liaison de forme avec le profil ou contre-profil.
EP01933826A 2000-04-13 2001-04-12 Sachet, en particulier pour produits cosmetiques liquides Expired - Lifetime EP1276677B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10018365A DE10018365A1 (de) 2000-04-13 2000-04-13 Aufnahmebeutel, insbesondere für flüssige Kosmetikprodukte
DE10018365 2000-04-13
PCT/EP2001/004242 WO2001079077A1 (fr) 2000-04-13 2001-04-12 Sachet, en particulier pour produits cosmetiques liquides

Publications (2)

Publication Number Publication Date
EP1276677A1 true EP1276677A1 (fr) 2003-01-22
EP1276677B1 EP1276677B1 (fr) 2003-10-22

Family

ID=7638628

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01933826A Expired - Lifetime EP1276677B1 (fr) 2000-04-13 2001-04-12 Sachet, en particulier pour produits cosmetiques liquides

Country Status (4)

Country Link
EP (1) EP1276677B1 (fr)
AU (1) AU2001260206A1 (fr)
DE (2) DE10018365A1 (fr)
WO (1) WO2001079077A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2833929B1 (fr) * 2001-12-20 2004-04-23 Valois Sa Distributeur de produit fluide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2605131Y2 (ja) * 1993-08-23 2000-06-26 株式会社細川洋行 柔軟容器の保持器
JP2605130Y2 (ja) * 1993-08-23 2000-06-26 株式会社細川洋行 容器装置
US5789684A (en) * 1996-01-16 1998-08-04 Isco, Inc. Liquid sample storage device
AUPO028596A0 (en) * 1996-06-06 1996-07-04 Blackmores Limited Product packaging system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0179077A1 *

Also Published As

Publication number Publication date
WO2001079077A1 (fr) 2001-10-25
DE50100843D1 (de) 2003-11-27
AU2001260206A1 (en) 2001-10-30
EP1276677B1 (fr) 2003-10-22
DE10018365A1 (de) 2001-10-18

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