WO2012069759A1 - Fond de récipient pétaloïde combiné - Google Patents
Fond de récipient pétaloïde combiné Download PDFInfo
- Publication number
- WO2012069759A1 WO2012069759A1 PCT/FR2011/052729 FR2011052729W WO2012069759A1 WO 2012069759 A1 WO2012069759 A1 WO 2012069759A1 FR 2011052729 W FR2011052729 W FR 2011052729W WO 2012069759 A1 WO2012069759 A1 WO 2012069759A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- periphery
- radius
- valley
- curvature
- 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
- B65D23/00—Details of bottles or jars not otherwise provided for
- B65D23/001—Supporting means fixed to 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
- 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
- B65D1/0261—Bottom construction
- B65D1/0284—Bottom construction having a discontinuous contact surface, e.g. discrete feet
Definitions
- the invention relates to the manufacture of containers, in particular bottles, obtained by blow molding or stretch blow molding from preforms or intermediate containers of thermoplastic material.
- a container generally comprises an open neck, through which the contents (usually a liquid), a body, which gives the container its volume, and a bottom, which closes the body opposite the neck and forms a base for maintain and hold the container when it is resting on a surface.
- contents usually a liquid
- body which gives the container its volume
- bottom which closes the body opposite the neck and forms a base for maintain and hold the container when it is resting on a surface.
- the containers for carbonated beverages in which the pressure of the gas dissolved in the liquid induces significant mechanical stresses, are mainly provided with petaloid-shaped bottoms: the bottom comprises projecting feet, in the form of petals, separated by portions of convex wall, called hollows or valleys, which extend radially from a central zone of the bottom.
- the feet are intended to maintain the container placed on a surface; the valleys are intended to absorb the efforts (thermal, mechanical) exerted by the contents.
- the performance of a petaloid bottom is measured by its mechanical strength - that is to say its ability to deform in a limited or controlled manner - not only during filling, but also during storage of the container.
- the storage can be prolonged, and carried out under conditions of temperature and hygrometry severe which one meets exceptionally in the temperate countries but usually in the countries with continental climate, tropical or desert.
- a plastic container comprising a body and a petaloid bottom extending the body, the bottom comprising a bottom wall of generally convex outward shape, which project feet formed by excrescences, the feet being separated in pairs by portions of the bottom wall forming recessed valleys which extend radially from a central zone of the bottom to a periphery of the bottom, a vessel in which each valley widens from the central zone to the periphery, and has a concave portion located near the periphery.
- Such a container has the advantage of having increased resistance to deformation.
- there is a good maintenance of the central zone of the bottom under the hydrostatic pressure possibly combined with the pressure of the dissolved gas in the case of a carbonated beverage.
- Each valley preferably has an angular aperture of between 22 ° and 30 °, for example about 25 °.
- the concave portion preferably has a radius of curvature between 0.20-A and 0.70-A (where A is the overall diameter of the bottom), and for example about 0.40-A.
- the bottom may include a radial extension groove dug at the bottom of each valley.
- each foot is preferably provided with an outer face which, in radial section, has a convex profile whose radius of curvature is greater than the overall diameter of the bottom, and for example equal to three times the overall diameter of the bottom. .
- Figure 1 is a perspective view from below of a petaloid bottom container
- Figure 2 is an enlarged view of the bottom of the container of Figure 1;
- Figure 3 is a bottom plan view of the bottom of Figure 2;
- Figure 4 is a partial section of a detail of the bottom of Figure 3, according to the sectional plane IV-IV;
- FIG. 5 is a sectional view of the bottom of Figure 3, according to the V-V section plane.
- a container 1 - in this case a bottle - obtained by blow molding or stretch blow molding from a thermoplastic preform, for example polyethylene terephthalate (PET), previously heated .
- a thermoplastic preform for example polyethylene terephthalate (PET), previously heated .
- the container 1 extends along a main axis X and comprises a lateral wall 2 called body, and a bottom 3 which extends and closes the body 2 at a lower end thereof.
- the bottom 3 is petaloid, and comprises a bottom wall 4 generally shaped convex outwardly of the container 1 (that is to say down when the container is laid flat).
- the bottom 3 also comprises a series of feet 5 formed by outwardly protruding protrusions of the container 1, and which extend from a central zone 6 of the bottom 3 in the form of a pellet, where the material has remained substantially amorphous , towards a periphery 7 of the bottom 3 where it connects to the body 2.
- A is noted the overall diameter of the bottom 3, measured at its periphery 7 ( Figure 5).
- the most protruding parts or vertices 8 of the feet 4 are coplanar and together form a seat 9 through which the container can rest on a flat surface (for example a table).
- a flat surface for example a table.
- the seat 9 materialized in FIG. 3 by a dashed circle
- B 9 the total height of the bottom 3, measured axially from the seat plane 9 to the periphery 7 of the bottom 3, where it connects to the body 2.
- Each foot 5 has an end face 10 which slopes gently to the central zone 6 of the bottom 3 towards the apex 8, so that the foot 5 has a substantially triangular profile in radial section (FIG. 5). More specifically, as illustrated in FIG. 5, the end face has a double slope, and comprises:
- the feet 5 are separated in pairs by portions 13 of the bottom wall 4 called valleys, which extend radially in a star from the central zone 6 to the periphery 7.
- the valleys 13 are concave outwards in cross section (that is to say in a plane perpendicular to the radial direction, see Figure 4).
- U is the radius of curvature of the valleys 13, measured in cross section. This radius U can be variable. More specifically, it is preferably low near the central zone 6, and relatively greater near the periphery 7 (see the numerical values in the table below).
- FIGS. 2 and 3 show that the feet 5 are equal in number to the valleys 13.
- the bottom 3 comprises five feet 5 and five valleys 13, regularly alternating and distributed in a star. This number is a good compromise; it could however be less (but greater than or equal to three), or greater (but preferably less than or equal to seven).
- Each foot 5 has two substantially planar flanks 17 each bordering a valley 13.
- the flanks 17 are not vertical (since the bottom 3 would then be difficult, if not impossible to blow), but inclined. opening from valley 13 to the outside.
- F is the average angular aperture between the flanks 17, which designates the average transverse angular aperture of the valley 13.
- the flanks 17 are connected to the end face by a fillet 18 whose I denote the radius.
- Each foot 5 is further delimited radially by an outer face 19 which extends in the extension of the body 3 to the vicinity of the vertex 8, to which the outer face 19 is connected by a fillet 20, the measured radius D of which is noted in FIG. a radial plane ( Figure 5).
- the outer face 19 is not cylindrical but substantially conical with revolution about the X axis. Moreover, in radial section this face is not straight but convex with a large radius of curvature, noted R (on the left in the figure 5).
- the face 19 is connected to the body 3 by a leave of which we note Q the radius, measured in a radial plane.
- the bottom 3 is furthermore provided with radial grooves 22 which extend recess towards the inside of the container 1, at the bottom and along the valleys 8. More specifically, each groove 22 extends along a median line of a valley 13, from a neighborhood of the central zone 6 to the vicinity of the periphery 7.
- Each groove 22 has in plan ( Figure 3) an oblong shape, whose edges are parallel over most of the length, and whose ends are both tapered.
- each groove 22 has a flared U-profile. We note V the depth of the grooves 22.
- the grooves 22 have the function of stiffening the bottom 3. Under the effect of the mechanical stresses exerted on the container 1 (in particular under the effect of the pressure prevailing in the container filled with a carbonated liquid), the grooves 22 tend flowing by expanding and flattening, which causes an enlargement of the valleys 13 and, consequently, a verticalization of the feet 5 which opposes the overall subsidence of the bottom 3.
- FIG. 3 shows that each valley 13 widens from the central zone 6 towards the periphery 7. This widening is preferably continuous, that is to say that the edges of the valleys 13 form between them an angle in any non-zero point.
- the valleys 13 have a tulip-shaped (or bell-shaped) outline in plan, but this shape is not limiting, and the edges of the valleys 13 could be straight (the valleys 13 then having a contour in V).
- the average angular aperture of the valleys 13, measured in a plane perpendicular to the X axis between two virtual lines (in phantom in FIG. 3) joining the X axis and the radial ends of the lateral edges of the valleys 13, is denoted G. .
- each valley 13 is devoid of branching (in particular on the periphery side 7), and thus forms a unitary hollow reserve.
- M the average axial depth of each valley 13, that is to say the distance, measured parallel to the X axis, between the apex 8 of the feet 5 and the point of the valley 13 situated at the diameter B, at the vertical of the summit 8 (see Figure 5).
- a preferred range i.e., a minimum value and a maximum value
- a preferred example of indicative value for each of the parameters E to N and Q to V are summarized in the table below. which can be variable and are for the most part (with the exception of the parameters F, G, H, T and V) calculated according to one of the parameters A, B and D, which correspond to fixed dimensions imposed by the type (including capacity) of the container produced.
- the height C of the bottom 3 is also a fixed parameter; it is the only independent parameter, that is to say that it does not depend on any other parameter and that none of the other parameters is calculated according to it.
- this combination makes it possible to minimize the axial movements of the central zone 6. Indeed, under the internal pressure of the container 1, on the one hand a swelling of the section
- the value of the radius N of curvature of the concave outer section of the valleys 13 is related to the value of the overall diameter A of the bottom 13. According to the tests, it seems important that the radius N be less than to the diameter A, and even less than about 2/3-A (we have retained as upper bound 0.70-A, and as preferred value 0.40-A), without this radius N being too weak (the lower bound retained is 0.20-A).
- the value of the radius R obviously contributes (but in a secondary manner with respect to them) to maintain the central zone 6 at a substantially constant height after filling. More precisely, it seems important that the value of the radius R be high: we have chosen it greater than the overall diameter A of the container, and equal to triple of A in the preferred example.
- This lever effect exerts on the central zone 6 an axial force directed towards the interior of the container 1, which opposes the force resulting from the hydrostatic thrust to which is added the additional pressure due to the dissolved gas, thus limiting the collapse of the central zone 6.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11799768.4A EP2643225B3 (fr) | 2010-11-25 | 2011-11-22 | Fond de récipient pétaloïde combiné |
MX2013005655A MX359514B (es) | 2010-11-25 | 2011-11-22 | Fondo de recipiente petaloide combinado. |
BR112013013046A BR112013013046A2 (pt) | 2010-11-25 | 2011-11-22 | base petaloide combinada de um recipiente |
CN201180062952.0A CN103269953B (zh) | 2010-11-25 | 2011-11-22 | 组合花瓣形容器基底 |
US13/988,198 US10202221B2 (en) | 2010-11-25 | 2011-11-22 | Combined petaloid base of a container |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1004588A FR2967975B1 (fr) | 2010-11-25 | 2010-11-25 | Fond de recipient petaloide combine |
FR1004588 | 2010-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012069759A1 true WO2012069759A1 (fr) | 2012-05-31 |
Family
ID=44232650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2011/052729 WO2012069759A1 (fr) | 2010-11-25 | 2011-11-22 | Fond de récipient pétaloïde combiné |
Country Status (7)
Country | Link |
---|---|
US (1) | US10202221B2 (fr) |
EP (1) | EP2643225B3 (fr) |
CN (1) | CN103269953B (fr) |
BR (1) | BR112013013046A2 (fr) |
FR (1) | FR2967975B1 (fr) |
MX (1) | MX359514B (fr) |
WO (1) | WO2012069759A1 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103950605A (zh) * | 2012-11-27 | 2014-07-30 | 克朗斯公司 | 具有加强底部的塑料容器 |
WO2014174210A1 (fr) * | 2013-04-24 | 2014-10-30 | Sidel Participations | Récipient muni d'un fond déformable à double arche |
WO2015189515A1 (fr) * | 2014-06-13 | 2015-12-17 | Sidel Participations | Recipient muni d'un fond a poutres bourrelees |
EP3059175A1 (fr) | 2015-02-23 | 2016-08-24 | Sidel Participations | Recipient muni d'un fond mini petaloide a cannelures transversales |
WO2018065691A1 (fr) | 2016-10-06 | 2018-04-12 | Sidel Participations | Fond pétaloïde à vallée brisée |
US10202221B2 (en) | 2010-11-25 | 2019-02-12 | Sidel Participations | Combined petaloid base of a container |
US10246210B2 (en) | 2013-06-25 | 2019-04-02 | Sidel Participations | Container having a petaloid base and groove |
EP3770073A1 (fr) * | 2019-07-24 | 2021-01-27 | Krones AG | Récipient en matière plastique à géométrie à bande de traction dans la zone de fond |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11845581B2 (en) | 2011-12-05 | 2023-12-19 | Niagara Bottling, Llc | Swirl bell bottle with wavy ribs |
DE102012003219A1 (de) * | 2012-02-20 | 2013-08-22 | Krones Ag | Kunststoffbehältnis |
CH707262A2 (de) * | 2012-11-30 | 2014-05-30 | Alpla Werke | Kunststoffbehälter. |
PE20151678A1 (es) | 2012-12-27 | 2015-12-17 | Niagara Bottling Llc | Envase plastico con una base de tiras |
FR3013335B1 (fr) * | 2013-11-15 | 2016-01-15 | Sidel Participations | Recipient en matiere thermoplastique a fond de type petaloide a soufflabilite augmentee |
EP3233645A4 (fr) * | 2014-12-19 | 2018-09-26 | The Coca-Cola Company | Bases pour bouteille de boisson gazeuse et leurs procédés de fabrication |
WO2019041205A1 (fr) * | 2017-08-31 | 2019-03-07 | The Procter & Gamble Company | Articles rigides comprenant un coin bien défini |
FR3074482B1 (fr) * | 2017-12-04 | 2019-10-18 | Sidel Participations | Recipient a fond petaloide |
CN108528899B (zh) * | 2018-04-12 | 2020-01-07 | 广东星联精密机械有限公司 | 一种轻量化塑料瓶的瓶底结构 |
FR3144602A1 (fr) | 2022-12-30 | 2024-07-05 | Sidel Participations | Récipient à fond pétaloïde amélioré et fond de moule pour la fabrication d’un tel récipient |
FR3144603A1 (fr) | 2022-12-30 | 2024-07-05 | Sidel Participations | Récipient à fond pétaloïde amélioré et fond de moule pour la fabrication d’un tel récipient |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1986005462A1 (fr) * | 1985-03-21 | 1986-09-25 | Meri-Mate Limited | Ameliorations apportees a des recipients en plastique |
EP0350782A2 (fr) * | 1988-07-15 | 1990-01-17 | Hoover Universal, Inc. | Récipient soufflé avec fond autoportant |
FR2717443A1 (fr) * | 1994-03-16 | 1995-09-22 | Evian Eaux Min | Bouteille moulée en matière plastique. |
EP0703152A1 (fr) * | 1994-09-09 | 1996-03-27 | Hoover Universal,Inc. | Conteneur en une seule pièce pour des boissons gazeuses |
WO1998028193A1 (fr) * | 1996-12-20 | 1998-07-02 | Ball Corporation | Conteneur en plastique pour boissons gazeuses |
FR2772720A1 (fr) * | 1997-12-23 | 1999-06-25 | Sidel Sa | Recipient en matiere thermoplastique a fond petaloide |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US5287978A (en) * | 1990-11-15 | 1994-02-22 | Plastipak Packaging, Inc. | Plastic blow molded freestanding container |
US5615790A (en) * | 1990-11-15 | 1997-04-01 | Plastipak Packaging, Inc. | Plastic blow molded freestanding container |
US20040173565A1 (en) * | 1999-12-01 | 2004-09-09 | Frank Semersky | Pasteurizable wide-mouth container |
ITPD20040323A1 (it) * | 2004-12-24 | 2005-03-24 | Acqua Minerale S Benedetto Spa | Base di bottiglia in materia plastica particolarmente per bevande |
FR2892048B1 (fr) * | 2005-10-17 | 2008-01-04 | Sidel Sas | Fond de moule pour moule de fabrication de recipients thermoplastiques, et dispositif de moulage equipe d'au moins un moule equipe d'un tel fond. |
FR2897292B1 (fr) | 2006-02-16 | 2010-06-04 | Sidel Participations | Fond de moule pour moule de fabrication de recipients thermoplastiques, et dispositif de moulage equipe d'au moins un moule equipe d'un tel fond |
US8439214B2 (en) * | 2007-03-16 | 2013-05-14 | Plastipak Packaging, Inc. | Plastic container with elongated vertical formation |
US7891513B2 (en) * | 2007-06-08 | 2011-02-22 | Amcor Limited | Container base with feet |
FR2959214B1 (fr) | 2010-04-21 | 2012-06-29 | Sidel Participations | Fond de recipient petaloide renforce |
FR2967975B1 (fr) | 2010-11-25 | 2012-12-28 | Sidel Participations | Fond de recipient petaloide combine |
-
2010
- 2010-11-25 FR FR1004588A patent/FR2967975B1/fr active Active
-
2011
- 2011-11-22 US US13/988,198 patent/US10202221B2/en active Active
- 2011-11-22 EP EP11799768.4A patent/EP2643225B3/fr active Active
- 2011-11-22 CN CN201180062952.0A patent/CN103269953B/zh active Active
- 2011-11-22 WO PCT/FR2011/052729 patent/WO2012069759A1/fr active Application Filing
- 2011-11-22 BR BR112013013046A patent/BR112013013046A2/pt not_active IP Right Cessation
- 2011-11-22 MX MX2013005655A patent/MX359514B/es active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986005462A1 (fr) * | 1985-03-21 | 1986-09-25 | Meri-Mate Limited | Ameliorations apportees a des recipients en plastique |
EP0350782A2 (fr) * | 1988-07-15 | 1990-01-17 | Hoover Universal, Inc. | Récipient soufflé avec fond autoportant |
FR2717443A1 (fr) * | 1994-03-16 | 1995-09-22 | Evian Eaux Min | Bouteille moulée en matière plastique. |
EP0703152A1 (fr) * | 1994-09-09 | 1996-03-27 | Hoover Universal,Inc. | Conteneur en une seule pièce pour des boissons gazeuses |
WO1998028193A1 (fr) * | 1996-12-20 | 1998-07-02 | Ball Corporation | Conteneur en plastique pour boissons gazeuses |
FR2772720A1 (fr) * | 1997-12-23 | 1999-06-25 | Sidel Sa | Recipient en matiere thermoplastique a fond petaloide |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10202221B2 (en) | 2010-11-25 | 2019-02-12 | Sidel Participations | Combined petaloid base of a container |
CN103950605A (zh) * | 2012-11-27 | 2014-07-30 | 克朗斯公司 | 具有加强底部的塑料容器 |
CN105050903A (zh) * | 2013-04-24 | 2015-11-11 | 西德尔合作公司 | 具有双拱式可变形底部的容器 |
FR3005035A1 (fr) * | 2013-04-24 | 2014-10-31 | Sidel Participations | Recipient muni d'un fond deformable a double arche |
WO2014174210A1 (fr) * | 2013-04-24 | 2014-10-30 | Sidel Participations | Récipient muni d'un fond déformable à double arche |
US10246210B2 (en) | 2013-06-25 | 2019-04-02 | Sidel Participations | Container having a petaloid base and groove |
WO2015189515A1 (fr) * | 2014-06-13 | 2015-12-17 | Sidel Participations | Recipient muni d'un fond a poutres bourrelees |
FR3022223A1 (fr) * | 2014-06-13 | 2015-12-18 | Sidel Participations | Recipient muni d'un fond a poutres bourrelees |
EP3059175A1 (fr) | 2015-02-23 | 2016-08-24 | Sidel Participations | Recipient muni d'un fond mini petaloide a cannelures transversales |
US9745095B2 (en) | 2015-02-23 | 2017-08-29 | Sidel Participations | Container having a mini-petal-shaped bottom with transverse grooves |
WO2018065691A1 (fr) | 2016-10-06 | 2018-04-12 | Sidel Participations | Fond pétaloïde à vallée brisée |
US11008129B2 (en) | 2016-10-06 | 2021-05-18 | Sidel Participations | Petaloid base with broken valley |
EP3770073A1 (fr) * | 2019-07-24 | 2021-01-27 | Krones AG | Récipient en matière plastique à géométrie à bande de traction dans la zone de fond |
US11649085B2 (en) | 2019-07-24 | 2023-05-16 | Krones Ag | Plastic container with tension band geometry at base region |
Also Published As
Publication number | Publication date |
---|---|
EP2643225A1 (fr) | 2013-10-02 |
MX2013005655A (es) | 2013-07-22 |
CN103269953B (zh) | 2015-11-25 |
FR2967975A1 (fr) | 2012-06-01 |
EP2643225B3 (fr) | 2018-05-23 |
CN103269953A (zh) | 2013-08-28 |
MX359514B (es) | 2018-10-01 |
FR2967975B1 (fr) | 2012-12-28 |
BR112013013046A2 (pt) | 2016-08-09 |
EP2643225B1 (fr) | 2017-03-08 |
US10202221B2 (en) | 2019-02-12 |
US20130264305A1 (en) | 2013-10-10 |
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