EP1571099A2 - Couvercle en plastique - Google Patents

Couvercle en plastique Download PDF

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Publication number
EP1571099A2
EP1571099A2 EP05003178A EP05003178A EP1571099A2 EP 1571099 A2 EP1571099 A2 EP 1571099A2 EP 05003178 A EP05003178 A EP 05003178A EP 05003178 A EP05003178 A EP 05003178A EP 1571099 A2 EP1571099 A2 EP 1571099A2
Authority
EP
European Patent Office
Prior art keywords
region
interface
plastic cover
cover according
lid
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
EP05003178A
Other languages
German (de)
English (en)
Other versions
EP1571099B1 (fr
EP1571099A3 (fr
Inventor
Christian Thoma
Nicole Schütz
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.)
Rotho Kunststoff AG
Original Assignee
Rotho Kunststoff AG
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
Priority claimed from DE202004002742U external-priority patent/DE202004002742U1/de
Application filed by Rotho Kunststoff AG filed Critical Rotho Kunststoff AG
Publication of EP1571099A2 publication Critical patent/EP1571099A2/fr
Publication of EP1571099A3 publication Critical patent/EP1571099A3/fr
Application granted granted Critical
Publication of EP1571099B1 publication Critical patent/EP1571099B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B65D43/0218—Removable lids or covers without integral tamper element secured only by friction or gravity on both the inside and the outside of the mouth of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00101—Shape of the outer periphery curved square-like or rectangular-like
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00314—Combination, e.g. laminates, several different materials
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509—Cup
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00842—Integral tabs, tongues, handles or similar outside of the lid

Definitions

  • the invention relates to a plastic lid for a container, in particular for the transport and storage of food according to the generic term of claim 1.
  • a plastic lid is in two-component injection molding manufactured and includes a peripheral edge area soft elastic material for placement on the edge of the container, as well at least one inner region of contrast harder material that the Cover area within the edge area fills.
  • Containers with separate plastic lids are used as storage boxes, refrigerator boxes, Food containers, freezer containers and microwave dishes, in particular although the container or the shell is made of plastic, spread used.
  • the container or the shell is made of plastic, spread used.
  • this usually made of a soft elastic plastic, in particular polyethylene lower Density is produced.
  • Such a soft-elastic lid will over the edge slipped over the container, wherein a circumferentially circumferential groove in the lid edge frictionally receives the edge of the container.
  • a plastic lid made of soft elastic material is not very stable; He also tends to warp in the dishwasher.
  • US 3,397,814 is such a proposal for a lid with a stable inner area and a peripheral, softer edge area too remove.
  • the present invention is therefore the object of a plastic lid of the type mentioned in terms of its quality or in terms to improve its ease of manufacture.
  • a plastic lid of the type mentioned is thereby improved that in addition to the inner area of harder material and the edge region of soft elastic material, a connection area available is injection molded together with the edge area and off consists of the same soft elastic material.
  • This connection area connects According to the invention two opposite sides and / or corners of Edge area with each other, thereby overstretching the inner area or divided into two or more areas.
  • connection area in the form of a straight, curved or diagonal existing transverse web present; but he can also be in the form of a cross or Sterns be formed.
  • connection area is designed to be relatively large-area and / or profiled can be so that the edge area along with the connection area takes over a substantial part of the inherent stability of the plastic lid.
  • the relatively hard inner area can thereby thinner than previously in the State of the art be made possible, resulting in greater suppleness and flexibility of the entire plastic lid is guaranteed.
  • the invention also offers particular advantages under a further aspect: to achieve the best possible sealing effect of a plastic lid can in Prior art does not use a highly transparent plastic material, even if it is for example polypropylene. Because this does not have the required suppleness for handling, and it does also does not lead to satisfactory results in terms of tightness of the Cover.
  • the plastic cover according to the invention with the known core retraction technique in two-component injection molding.
  • the first component is then in an injection mold of the circumferential edge region of soft elastic material via a central Injected injection molded injection point in the connection area.
  • the connection area is made together with the edge area, distributes the plastic melt from a more or less central point relatively evenly in the outer marginal zones of the lid, wherein after almost equally long flow paths Tensions in the subsequently solidified melt are avoided.
  • the core of the injection mold is the desired thickness of the inner Retracted area and then this inner area, in particular a highly transparent window, injection-molded with the second component.
  • the two-component injection molding technique it is known to first inject the first component and, during the solidification process of the first component, the second component into the mold, with the second abutting and joining the first component.
  • the second component is usually injected at high pressure (up to 4000 N / cm 2 ) and the first component is generally not fully hardened, it can cause distortions in the first component. These distortions have the effect of causing bumps in the first component, such as ripples.
  • deformations of the interface between the first and second components may occur, which may affect the connection between the two components.
  • At least one groove formed is substantially parallel to the interface between the two components of the lid according to the invention and serves to accommodate a retaining edge of the tool used in injection molding.
  • the second component is injected into the casting tool, so pushes these along the interface to the first injected component and causes a force on this.
  • the first injected Component extending groove which formed in the tool Holding edge comprises, this force on the retaining edge and thus on the tool will be transferred. Because the groove is formed near the interface is, is thus a material shift of the first injected component or virtually impossible to deform the interface.
  • the Plastic lid is designed such that the interface between the first and second component in projection parallel to the cover plane in predominant Area shares falls on the boundary surface facing side of the groove. Thereby ensures that the vast majority of parallel to the ceiling level acting force transmitted to the retaining edge of the mold and thus does not lead to a material shift.
  • the plastic lid is such stated that the interface between the two components of the according to the invention in projection parallel to the lid plane entirely on the the boundary-facing side of the groove falls, so in a first approximation all forces acting parallel to the cover plane on the retaining edge of the Form tool be transferred and thus almost all forces within the First injected component are eliminated, leading to a material shift could lead.
  • the groove be formed asymmetrically, such that their facing the interface Side is larger, that is, has a greater height than that of the interface opposite side. Due to the asymmetrical embodiment of the groove greater freedom in the design of the lid in the area of the interface.
  • Both components have a cuboid in the area of the interface Cross - sectional shape (in a section perpendicular to the lid plane and parallel to the Interface), so that the interface is rectangular.
  • Embodiment encounter the two components so to each other that the interface is greater than the cross-sectional area perpendicular to the cover plane in the area of the interface.
  • At least one step of the interface is a bevelled or rounded Edge, so that the flow of the second injected Component along the step-shaped interface is facilitated.
  • the plastic lid around the apex of the groove having a predetermined bending point.
  • This predetermined bending point can be characterized, for example be generated that the material thickness in the area of the vertex the groove is small compared to the average thickness of the lid is. This will cause the lid to bend when placed and removed reduced by the container, since the groove due to the low material thickness at the apex of the groove similar to a hinge acts and thus a Pivoting movement of the outer lid portion to the groove relative to the inner Cover area instead of bending takes place. This reduces the Tensile and shear forces at the interface between the first and second components and thus increases the durability of the connection between the two Components.
  • the groove is on the inside formed of the lid. This is at one with the inventive Cover closed container a smooth, haptic pleasant outer surface possible.
  • the plastic lid may preferably be circumferential Edge area and / or in the inner lid area near the interface one Kink or have a bend, wherein the kink or the bend substantially runs parallel to the interface. This can additionally Forces, which act parallel to the cover plane, already in the area of the interface be transferred to the mold.
  • plastic lid according to the invention polypropylene used in different composition for both components.
  • polypropylene used in different composition for both components.
  • polypropylene in Combination with a thermoplastic elastomer possible.
  • the plastic lid 1 shown in Figure 1 consists of a circumferential Edge region 2 of soft elastic material, namely an elastic TPR (thermoplastic rubber), two inner areas 3, 3 'made of transparent polypropylene, which is hatched only for the purpose of a clearer representation, and a connecting region 4, which has the two longitudinal sides of the edge region 2 joins, along with this injection molded and as a result consists of the same soft elastic material.
  • an injection point 5 can be seen in the middle of the connection area 4 . This marks the place where the plastic nozzle during injection molding of the edge region 2 with the connection area 4 opens into the mold formed in the injection mold.
  • connection region 4 divides two inner ones Areas 3 and 3 '. However, this only looks like this: After injection molding of the edge region 3 with its connection region 4 was the injection point 5 opposite core of the injection mold to a small piece opened, so that an inner region 3, bounded by the edge region 2 is and has a substantially rectangular shape, was released. There it is second component, the harder polypropylene, injected over the entire surface, such that the connection region 4 actually spans the inner region 3, 3 ', because the material of the inner region 3, 3 'below the connection area 4 is continuously formed. The connection of the bottom of the connection area 4 increases with the inner region 3 by spraying the same the stability not only of the entire lid, but in particular of the inner area 3, so that this relatively thin, flexible and crystal clear can be.
  • connection region 4 can also be a true separation of the inner Regions 3 and 3 'are present through the connection region 4.
  • curved crosspiece can also be a straight crosspiece, the can run quite diagonally from corner to corner, as well as a cross or a Be provided star.
  • a profiling 6 on the sides of the connection area 4 additionally increases its stability, so that in the present embodiment the soft elastic material of the edge region 2 and the connection area 4 to ensure the inherent stability of the lid 1 substantially. The thinner and more flexible the inner region 3, 3 'can be formed.
  • edge region 2 is profiled and shaped, like the edge area of a proven, full-surface lid soft elastic material. Accordingly, its properties are remained unchanged in terms of handling and sealing effect.
  • a outer roof-shaped projection 7 forms a groove 8 accessible from below, in FIG an edge 9 of a container 10 is sealingly received.
  • FIG. 2 shows a top view of the plastic lid 1 from FIG. 1, so that can be referred to the above description. Especially clear Here are the injection point 5 in the middle of the connecting portion 4 and the Profiles 6 to see. In the inner region 3 'is a second injection point 11 1 for the second lid component, that is the harder material of the inner area 3, 3 ', to recognize.
  • FIG 3 is next to one of Figure 1 corresponding perspective view the plastic lid 1, an associated container 10 as well in perspective shown.
  • the plastic lid 1 is on the edge 9 of the container 10th put on, so that results from Figure 4 to be seen image.
  • the container 10 has circumferentially over a projection 12, which at the two end faces pulled down and tilted to a finger room to release the To create Kunststoffdecke 1 from the container edge 9.
  • This web 12 is used for Stiffening of the container 10 and at the same time protects the projection 7 of the Plastic cover 1 against accidental release of the edge 9 of the container 10th
  • the bottom 13 of the container 10 is corrugated, so that when cooling the Container contents possibly resulting condensation or the like Liquids run into the wells of the corrugations and the contents of the container not in the wet "is.
  • FIG. 5 is a sectional view in a plane A - A from FIG. 4.
  • the connection area 4 shares the inner area 3, 3 'in reality not, but spans this. This is by the used two-component injection molding technology quite a material connection between the soft elastic material of the connection area 4 and the harder, clear transparent material of the inner Region 3, 3 'present, which is not only the stability of the plastic lid. 1 in general, but also the stability of the inner region 3, 3 'in particular elevated.
  • Figure 6 shows a first embodiment of an interface 15 between the Edge region 2 of soft elastic material and the inner region 3 of Polypropylene in a schematic sectional view, the section along the line "L" is placed in Figure 1.
  • both areas 2, 3 near one Interface 15 has a rectangular cross section, so that the interface 15 is rectangular.
  • a groove 14 is in this embodiment in the circumferential Formed edge region 2, since this is typically the first in the Mold is injected. Injecting the second component for production of the inner lid portion 3 thus abuts along the interface 15 to the peripheral edge region 2, whereby a force parallel to the cover plane, that is, in Figure 6 according to the marked "K" Direction results.
  • This force is applied to the lying in the groove 14 Transfer retaining edge of the (not shown) mold, so that the Likelihood of a material shift towards "K" significantly reduced is.
  • the projection of the interface 15 falls parallel to the cover plane in predominant areas (in this case, approx 65% of the total area) on the side of the groove facing the interface.
  • FIG 7 another embodiment is shown, in which the circumferential Edge region 2 and the inner lid portion 3 in a stepped Interfere with each other.
  • one level indicates the interface a chamfered edge 16, so that the flow of the second component in the manufacture of the inner lid portion 3 along the step-shaped Interface is facilitated, i. the resistance to the flow is reduced.
  • FIG. 14 an asymmetrical embodiment of the groove 14 is shown in FIG. wherein the peripheral edge region 2 and the groove 14 carried out in such a way are that the interface in projection parallel to the cover plane entirely on the the interface facing side of the groove falls.
  • the groove 14 Due to the asymmetrical embodiment of the groove 14 is here on the one hand the interface of the side facing the groove a large area for power transmission given to the retaining edge of the mold, on the other hand on the side facing away from the interface of the groove chosen a smaller depth be, for example, a lower material thickness of the circulating To allow edge area.
  • FIG. 8 shows an exemplary embodiment of the connection of the edge region 2 and the inner portion 3, in which the circumferential Edge region 2 in addition to the groove 14 and a kink 17 near the interface is formed, in addition to a transmission of parallel to the lid plane acting forces on the mold allows.
  • FIGS. 6 to 8 have only a groove in the peripheral edge region, since typically the edge region as first and subsequently the second component for production of the middle lid portion is injected.
  • a groove for receiving a retaining edge of the Forming tool used in injection molding in the inner lid area or in both areas a groove for receiving a retaining edge of the Forming tool used in injection molding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
EP20050003178 2004-02-19 2005-02-15 Couvercle en plastique Not-in-force EP1571099B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE202004002742U 2004-02-19
DE202004002742U DE202004002742U1 (de) 2004-02-19 2004-02-19 Kunststoffdeckel
DE202004007378U 2004-05-08
DE202004007378U DE202004007378U1 (de) 2004-02-19 2004-05-08 Kunststoffdeckel

Publications (3)

Publication Number Publication Date
EP1571099A2 true EP1571099A2 (fr) 2005-09-07
EP1571099A3 EP1571099A3 (fr) 2006-10-04
EP1571099B1 EP1571099B1 (fr) 2009-10-07

Family

ID=34751422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050003178 Not-in-force EP1571099B1 (fr) 2004-02-19 2005-02-15 Couvercle en plastique

Country Status (1)

Country Link
EP (1) EP1571099B1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20110171A1 (it) * 2011-05-26 2012-11-27 Tecnowerk Srl Struttura di coperchio in materia plastica stampata bicolore, relativi apparato e procedimento di stampaggio, nonche' contenitore per prodotti alimentari incorporante tale coperchio
WO2014147013A1 (fr) * 2013-03-22 2014-09-25 Kautex Textron Gmbh & Co. Kg Réservoir de fluide de travail
EP3693147A1 (fr) 2019-02-08 2020-08-12 Rotho Kunststoff AG Récipient en matière plastique moulée par injection et son procédé de fabrication
CN111605218A (zh) * 2019-02-22 2020-09-01 大众汽车有限公司 用于制造具有弯曲部位的构件的方法和这种构件

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995521A (en) * 1988-03-03 1991-02-26 Pohl Gmbh & Co. Kg Stopper for infusion and transfusion bottles
DE9200670U1 (de) * 1992-01-18 1992-06-17 Spritzgußwerk KG Richard Rassbach GmbH & Co, 1000 Berlin Deckel aus Kunststoff für einen insbesondere Lebensmittel enthaltenden Behälter aus Kunststoff mit ovalem Grundriß, insbesondere für eine Ovalschale aus Polypropylen
WO1993020998A1 (fr) * 1992-04-16 1993-10-28 Ab Åkerlund & Rausing Couvercle de recipient et son procede de fabrication
US5865353A (en) * 1996-08-29 1999-02-02 L'oreal Dispensing cap with gripping means
US6305563B1 (en) * 1999-01-12 2001-10-23 Aptargroup, Inc, One-piece dispensing structure and method and apparatus for making same
EP1466836A2 (fr) * 2003-03-31 2004-10-13 RPC Containers Limited Couvercle de récipient

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995521A (en) * 1988-03-03 1991-02-26 Pohl Gmbh & Co. Kg Stopper for infusion and transfusion bottles
DE9200670U1 (de) * 1992-01-18 1992-06-17 Spritzgußwerk KG Richard Rassbach GmbH & Co, 1000 Berlin Deckel aus Kunststoff für einen insbesondere Lebensmittel enthaltenden Behälter aus Kunststoff mit ovalem Grundriß, insbesondere für eine Ovalschale aus Polypropylen
WO1993020998A1 (fr) * 1992-04-16 1993-10-28 Ab Åkerlund & Rausing Couvercle de recipient et son procede de fabrication
US5865353A (en) * 1996-08-29 1999-02-02 L'oreal Dispensing cap with gripping means
US6305563B1 (en) * 1999-01-12 2001-10-23 Aptargroup, Inc, One-piece dispensing structure and method and apparatus for making same
EP1466836A2 (fr) * 2003-03-31 2004-10-13 RPC Containers Limited Couvercle de récipient

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20110171A1 (it) * 2011-05-26 2012-11-27 Tecnowerk Srl Struttura di coperchio in materia plastica stampata bicolore, relativi apparato e procedimento di stampaggio, nonche' contenitore per prodotti alimentari incorporante tale coperchio
WO2014147013A1 (fr) * 2013-03-22 2014-09-25 Kautex Textron Gmbh & Co. Kg Réservoir de fluide de travail
US10011168B2 (en) 2013-03-22 2018-07-03 Kautex Textron Gmbh & Co. Kg Operating fluid tank
EP3693147A1 (fr) 2019-02-08 2020-08-12 Rotho Kunststoff AG Récipient en matière plastique moulée par injection et son procédé de fabrication
EP3693148A1 (fr) 2019-02-08 2020-08-12 Rotho Kunststoff AG Récipient en plastique moulé par injection et procédé de fabrication d'un tel récipient
CN111605218A (zh) * 2019-02-22 2020-09-01 大众汽车有限公司 用于制造具有弯曲部位的构件的方法和这种构件
CN111605218B (zh) * 2019-02-22 2022-09-27 大众汽车有限公司 用于制造具有弯曲部位的构件的方法和这种构件
US11472075B2 (en) 2019-02-22 2022-10-18 Volkswagen Aktiengesellschaft Method for the production of components with a bending point and such a component

Also Published As

Publication number Publication date
EP1571099B1 (fr) 2009-10-07
EP1571099A3 (fr) 2006-10-04

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