WO2014032878A1 - Tête de tube améliorée pour la protection d'un insert formant barrière - Google Patents
Tête de tube améliorée pour la protection d'un insert formant barrière Download PDFInfo
- Publication number
- WO2014032878A1 WO2014032878A1 PCT/EP2013/065856 EP2013065856W WO2014032878A1 WO 2014032878 A1 WO2014032878 A1 WO 2014032878A1 EP 2013065856 W EP2013065856 W EP 2013065856W WO 2014032878 A1 WO2014032878 A1 WO 2014032878A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insert
- tube
- tube head
- length
- thickness
- Prior art date
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
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
-
- 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
- B65D35/02—Body construction
- B65D35/10—Body construction made by uniting or interconnecting two or more components
-
- 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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
- B65D1/023—Neck construction
-
- 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
- B65D35/02—Body construction
- B65D35/12—Connections between body and closure-receiving bush
Definitions
- the present invention relates to tubes for the storage and dispensing of products, typically pasty, liquid or gel form. It finds a particular application for cosmetic products.
- plastic tubes do not prevent the penetration of certain gases and liquids in the tube, which alters the contents of the tube, or on the contrary the evacuation of certain components of a product contained in the tube, which leads to the degradation of the product itself.
- an insert also known as a washer, is conventionally incorporated in the tube head to form a protective barrier, the tube head being formed by plastic injection.
- This insert typically comprises a metal layer to achieve this barrier effect.
- the insert is deformed, in particular at its ends, which impacts the overlap and can thus lead to inserts having exposed ends, and therefore reduces the problem of corrosion of the metal layer of the insert.
- the present invention aims at providing a tube head structure not having such drawbacks as well as a method of manufacturing such a tube head.
- the invention proposes a tube head for fluid product to pasty consistency, said tube head being made of plastic material and adapted to be associated with a skirt to form a tube having an internal volume, and comprising
- a barrier insert disposed on the inner surface of the shoulder, said insert comprising at least one metal layer and having an outer rim defining a periphery of the insert and continuously covered by the plastic material forming the tube head; in which the outer edge of the insert and a portion of the face of the insert facing the inner volume of the tube and adjacent to said outer edge are covered over all or part of the periphery of the insert by a support external plastic material forming the tube head,
- said outer support has a thickness H and covers a length L of the face of the insert oriented towards the internal volume of the tube, said thickness H and length L being such that H> L.
- said insert has a truncated cone shape, converging from its outer edge to its center.
- the thickness H and the length L are such that H> L + 0, 1 mm, or for example such as H> L.
- the insert has an internal orifice in the alignment of the neck defining an internal rim.
- the inner edge of the insert and a portion of the face of the insert oriented towards the internal volume of the tube and adjacent to said inner edge may be covered by an internal support, said internal support having a thickness Hi and covering a length Li of the face of the insert oriented towards the internal volume of the tube, said thickness Hi and length Li being such that Hi> Li.
- the thickness Hi and the length Li are then typically such that Hi> Li + 0.1mm.
- said insert comprises at least three superimposed layers, respectively a top layer of plastic material, a metal inner layer, and a lower layer of plastic material.
- the invention also relates to a product tube of fluid consistency pasty comprising a tube head as defined above.
- FIG. 1 shows a partial sectional view of a tube according to one aspect of the invention
- FIG. 2 shows a sectional view of the tube head shown in FIG. 1;
- FIGS. 3 and 4 show detailed views of portions of FIG.
- FIG. 5 shows a partial sectional view of the tube head shown in FIG. 2,
- FIGS. 6, 7, 8 and 9 illustrate the effect of the dimensioning of the inner and outer supports of a tube head according to one aspect of the invention
- FIG. 10 shows a detailed view of an example of the structure of the insert.
- Figures 1 to 5 show several views of a tube 10 and a tube head 12 according to one aspect of the invention.
- the tube 10 comprises a tube head 12 connected to a skirt 14 forming a tubular body 16, connected to the head 12 at a first end 20 and closed at a second end 18 opposite the first end 20.
- the tube head 12 comprises a plastic body 22 having a neck 26 having an internal conduit 28 and opening at a free end 30.
- the neck 26 has an external thread 32, so as to cooperate with a plug 34 comprising a complementary internal thread to close the tube 10, and defines a longitudinal direction X-X of the tube 10.
- a shoulder 36 extends from one end 38 of the neck 26 opposite its free end 30, the neck 26 and the shoulder 36 being formed of a single piece of material.
- the shoulder 36 defines an internal surface 40 directed towards the internal volume 42 of the tube 10.
- the tube head 12 is connected to the skirt 14, typically by overmolding the tube head 12 on the skirt 14, or for example by welding or gluing by assembling the skirt 14 on the previously formed tube head 12, in particular by molding by injection or injection compression, or by any other technique.
- the skirt 14 is typically formed of plastic and / or laminated metal; for example a multilayer assembly comprising one or more layers of metallic material such as aluminum, and one or more plastic layers, such compositions being well known to those skilled in the art.
- the tube head 12 further comprises an insert 44, which covers a portion 45 of an inner surface 40 of the shoulder 36.
- the insert 44 comprises a metal layer 100, for example an aluminum layer, advantageously disposed between two protective layers 101 of plastic material which cover the two opposite surfaces of the aluminum layer.
- the insert 44 as illustrated is a disc comprising a central opening 50 and shaped truncated cone. Upper and lower surfaces are thus defined, as well as an inner edge 54 and an outer edge 56 of the insert 44 between which the insert 44 is substantially linear, with the exception of the internal rim 54 at which insert 44 is curved, so as to conform to the geometry of the tube head and thus follow the curve of the section making the junction between the neck 26 and the shoulder 36 of the tube head 12.
- these inner and outer edges 54 and 56 are typically points of weakness of the insert, in that the metal layer 100 forming the insert 44 can be accessible thereby exposing it to corrosion by the contained product. in the tube 10 as illustrated in FIG.
- the curvature of the insert 44 at its internal edge 54 makes it possible to align the edge of the metal intermediate layer 100 of the insert 44 with the neck 26 of the tube head 12, thereby preventing this metal intermediate layer 100 is directly accessible and therefore susceptible to corrosion by the product contained in the tube 10.
- the present invention can also be applied to a flat insert 44 (and thus not shaped so as to form a truncated cone), integrated in a tube head having a substantially flat shoulder, in particular a surface internal 40 substantially perpendicular to the longitudinal direction XX of the tube 10.
- the outer edge 56 of the insert 44 is surrounded by a plastic material forming the tube head, in particular via a support 60 covering the outer rim 56 of the insert 44 and a portion 62 of the outer periphery of the face of the insert 44 facing the internal volume 42 of the tube 10.
- the support 60 thus forms a shoulder at the outer edge 56 of the insert 44, so that the insert is sandwiched between the shoulder 36 of the tube head 12 and the support 60 over part of its adjacent length. at its outer edge 56.
- a thickness H of the support 60 and a non-zero length L of the face of the insert oriented towards the internal volume 42 of the tube 10 covered by the support 60 are thus defined.
- the length L corresponds to the length of the portion 62 of the outer periphery of the face of the insert oriented towards the internal volume 42 of the tube 10 covered by the support 60 as visible in FIG.
- the thickness H of the support 60 is defined as the average thickness of the support 60 measured from the face of the insert 44 oriented towards the internal volume 42 of the tube 10 in a direction parallel to the longitudinal direction XX of the tube 10. along the length L of the portion 62 of the outer periphery of the face of the insert facing the internal volume 42 of the tube 10 covered by the support 60, prior to a possible deformation of the insert 44.
- This average thickness of the support 60 is thus calculated over the entire length L of the portion 62 of the outer periphery of the face of the insert facing the internal volume 42 of the tube 10 covered by the support 60, prior to a possible deformation of
- an average of the thickness H and the length L on the entire periphery of the insert can be taken.
- H> L typically such that H> L + 0, 1 mm, or for example H> L, it being understood that these values are given to the cutting tolerances by and variations in position of the insert 44 relative to the mold, typically with respect to a mold punch during the injection process.
- This dimensioning of the support 60 makes it possible to ensure the protection of the external rim 56 of the insert 44 via its covering by the plastic material forming the tube head 12, avoiding or at least compensating for the deformation of the insert 44 during the injection of plastic material for the formation of the tube head 12.
- the support 60 is further dimensioned so that the relation H> L is verified even in the event of imperfections during the cutting or centering of the insert 44.
- the thickness H is thus dimensioned so as to take into account important tolerances during the cutting of the insert 44.
- the thickness H is also dimensioned so as to take into account a possible centering defect of the insert 44, for example when the central opening 50 formed in the insert 44 is eccentric with respect to its external cutout forming its outer edge 56.
- the insert 44 is typically centered on a mold according to its inner edge 54, the recovery of the outer edge 56 by the support 60 will then be typically partial and non-uniform, the length L covered by the support 60 varying according to the considered point of the periphery of the insert 44, some points may be such that the length L covered by the support 60 is zero.
- the support 60 is thus dimensioned so that for each point of the periphery of the insert 44 defined by its outer edge 56, for which the length L covered by the support 60 is non-zero, the relation H> L is verified by
- the invention covers all configurations in which the relation H> L, for example H> L, is verified at any point of the periphery of the insert.
- this H> L relationship for example H> L, is verified over the entire periphery of the insert, whether locally or on average.
- the invention can also be applied to the inner edge 54 of the insert 44 when the latter is straight, and not curved as in Figures 1, 2, 3 and 5.
- the tube head then advantageously comprises an internal support 132 similar to the external support 60 presented above, covering with plastic material the inner edge 54 and a portion of the face of the insert oriented towards the internal volume 42 of the tube 10 and adjacent at the inner edge 54.
- a thickness Hi and a length Li of the face of the insert oriented towards the internal volume 42 of the tube 10 covered by said external support are defined.
- the thickness Hi and the length Li being such that Hi> Li, typically such that Hi> Li + 0, lmm or else for example Hi> Li, it being understood that these values are given to the cutting tolerances.
- the inner edge 54 of the insert 44 is thus surrounded by a plastic material forming the tube head via the internal support 132 covering the inner edge 54 of the insert 44 as well as a portion 64 of the inner periphery of the face of the insert 44 oriented towards the internal volume 42 of the tube 10.
- the thickness H i is defined similarly to the thickness H defined above, as the average thickness of the internal support measured from the face of the insert 44 oriented towards the internal volume 42 of the tube 10 in a direction parallel to the longitudinal direction X-X of the tube 10, along the length Li of the face of the insert 44 facing the internal volume 42 of the tube 10 covered by the internal support, prior to a possible deformation of the insert 44.
- This average thickness of the internal support 132 is thus calculated over the entire length Li of the portion 64 of the inner periphery of the face of the insert facing the internal volume 42 of the tube 10 covered by the internal support 132, prior to any deformation of the insert 44.
- the invention covers all configurations in which the relation Hi> Li, for example Hi> Li, is verified at any point on the periphery of the inner edge of the insert.
- this relationship Hi> Li, for example Hi> Li is verified over the entire periphery of the inner edge of the insert, whether locally or on average.
- this dimensioning of the internal support makes it possible to compensate the deformation of the insert at its ends during the injection of the plastic material forming the tube head 12, and thus to ensure the good protection of the inner edge 54 of the insert 44 relative to the product contained in the tube 10.
- the dimensioning of the internal support 132 ensures that the inner edge 56 is covered and protected by the injected plastic material that is the degree of sagging of the length Li during the injection of the tube head 12.
- Figures 6, 7, 8 and 9 illustrate the effect of sizing the inner and outer supports of a tube head according to one aspect of the invention.
- FIG. 6 shows a sectional view of a tube head according to one aspect of the invention, comprising an external support 60 as presented above, as well as an internal support 132 covering the inner edge 54 with plastic material, and a portion of the face of the insert oriented towards the internal volume 42 of the tube 10 and adjacent to the internal edge 54, this internal support 132 also being dimensioned so that its thickness Hi and its length Li of the face of the insert oriented towards the internal volume 42 of the tube 10 covered by said external support are such that Hi> Li.
- Figure 7 shows a detailed view of these two internal supports 132 and external 60, and the values H, Hi, L and Li associated.
- FIGS. 8 and 9 illustrate the effect of these supports 132 and 60 in the case of a deformation of the insert, for example during the injection of the material forming the tube head, in this case a deflection at its inner edge 54 and its outer edge 56.
- FIG. 8 illustrates a moderate deflection of the two edges 54 and 56 of the insert 44; it is clearly seen in the figure that the relationship H> L and H i> Li ensures that these edges remain covered with plastic.
- FIG. 9 illustrates the maximum possible deflection of the two edges 54 and 56 of the insert 44 allowing them to remain covered with plastics material because of the supports 60 and 136.
- the invention therefore makes it possible to ensure that the internal and / or external edges 54 and / or 56 are covered by proposing one or more supports 132 and / or 60 making it possible to compensate for the bending of the edges of the insert 44, and thus of protect the insert 44 from a risk of corrosion.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Ceramic Engineering (AREA)
- Tubes (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112015004553-7A BR112015004553B1 (pt) | 2012-08-28 | 2013-07-26 | cabeça de tubo e tubo |
CN201380055783.7A CN104768855B (zh) | 2012-08-28 | 2013-07-26 | 用于对形成屏障的插件进行保护的改进管头 |
EP13745032.6A EP2890620B1 (fr) | 2012-08-28 | 2013-07-26 | Tête de tube améliorée pour la protection d'un insert formant barrière |
US14/423,806 US9975691B2 (en) | 2012-08-28 | 2013-07-26 | Tube head for protecting an insert forming a barrier |
IN1838DEN2015 IN2015DN01838A (fr) | 2012-08-28 | 2013-07-26 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1258055A FR2994950B1 (fr) | 2012-08-28 | 2012-08-28 | Tete de tube amelioree pour la protection d'un insert formant barriere. |
FR1258055 | 2012-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014032878A1 true WO2014032878A1 (fr) | 2014-03-06 |
Family
ID=47666197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/065856 WO2014032878A1 (fr) | 2012-08-28 | 2013-07-26 | Tête de tube améliorée pour la protection d'un insert formant barrière |
Country Status (8)
Country | Link |
---|---|
US (1) | US9975691B2 (fr) |
EP (1) | EP2890620B1 (fr) |
CN (1) | CN104768855B (fr) |
BR (1) | BR112015004553B1 (fr) |
FR (1) | FR2994950B1 (fr) |
IN (1) | IN2015DN01838A (fr) |
PL (1) | PL2890620T3 (fr) |
WO (1) | WO2014032878A1 (fr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3565293A (en) * | 1968-03-20 | 1971-02-23 | American Can Co | Collapsible tube |
FR2320870A1 (fr) * | 1975-08-15 | 1977-03-11 | American Can Co | Recipient inviolable et procede de fabrication de ce recipient |
GB2098917A (en) * | 1981-05-07 | 1982-12-01 | Maegerle Karl | Tubular container and process for producing same |
JP2010083549A (ja) * | 2008-09-30 | 2010-04-15 | Yoshino Kogyosho Co Ltd | アルミラミネートチューブ容器 |
JP2010083546A (ja) * | 2008-09-30 | 2010-04-15 | Yoshino Kogyosho Co Ltd | アルミラミネートチューブ容器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2460903C3 (de) * | 1974-12-21 | 1981-12-24 | Boehringer Mannheim Gmbh, 6800 Mannheim | Neue 3,3',5,5'-Tetraalkylbenzidine |
CH682480A5 (de) * | 1991-01-21 | 1993-09-30 | Maegerle Karl Lizenz | Verpackungstube. |
-
2012
- 2012-08-28 FR FR1258055A patent/FR2994950B1/fr not_active Expired - Fee Related
-
2013
- 2013-07-26 WO PCT/EP2013/065856 patent/WO2014032878A1/fr active Application Filing
- 2013-07-26 US US14/423,806 patent/US9975691B2/en active Active
- 2013-07-26 IN IN1838DEN2015 patent/IN2015DN01838A/en unknown
- 2013-07-26 PL PL13745032T patent/PL2890620T3/pl unknown
- 2013-07-26 CN CN201380055783.7A patent/CN104768855B/zh not_active Expired - Fee Related
- 2013-07-26 EP EP13745032.6A patent/EP2890620B1/fr not_active Not-in-force
- 2013-07-26 BR BR112015004553-7A patent/BR112015004553B1/pt not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3565293A (en) * | 1968-03-20 | 1971-02-23 | American Can Co | Collapsible tube |
FR2320870A1 (fr) * | 1975-08-15 | 1977-03-11 | American Can Co | Recipient inviolable et procede de fabrication de ce recipient |
GB2098917A (en) * | 1981-05-07 | 1982-12-01 | Maegerle Karl | Tubular container and process for producing same |
JP2010083549A (ja) * | 2008-09-30 | 2010-04-15 | Yoshino Kogyosho Co Ltd | アルミラミネートチューブ容器 |
JP2010083546A (ja) * | 2008-09-30 | 2010-04-15 | Yoshino Kogyosho Co Ltd | アルミラミネートチューブ容器 |
Also Published As
Publication number | Publication date |
---|---|
CN104768855A (zh) | 2015-07-08 |
EP2890620B1 (fr) | 2016-12-07 |
FR2994950A1 (fr) | 2014-03-07 |
US20150321829A1 (en) | 2015-11-12 |
BR112015004553B1 (pt) | 2021-02-02 |
PL2890620T3 (pl) | 2017-06-30 |
BR112015004553A2 (pt) | 2017-07-04 |
FR2994950B1 (fr) | 2015-09-18 |
EP2890620A1 (fr) | 2015-07-08 |
CN104768855B (zh) | 2018-08-31 |
IN2015DN01838A (fr) | 2015-05-29 |
US9975691B2 (en) | 2018-05-22 |
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