EP2133277A1 - Behälter, insbesondere Flasche, aus thermoplastischem Material mit verstärktem Boden - Google Patents

Behälter, insbesondere Flasche, aus thermoplastischem Material mit verstärktem Boden Download PDF

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Publication number
EP2133277A1
EP2133277A1 EP09162293A EP09162293A EP2133277A1 EP 2133277 A1 EP2133277 A1 EP 2133277A1 EP 09162293 A EP09162293 A EP 09162293A EP 09162293 A EP09162293 A EP 09162293A EP 2133277 A1 EP2133277 A1 EP 2133277A1
Authority
EP
European Patent Office
Prior art keywords
container
arch
forming
annular zone
seat
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
EP09162293A
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English (en)
French (fr)
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EP2133277B1 (de
Inventor
Michel Boukobza
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.)
Sidel Participations SAS
Original Assignee
Sidel Participations SAS
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 Sidel Participations SAS filed Critical Sidel Participations SAS
Publication of EP2133277A1 publication Critical patent/EP2133277A1/de
Application granted granted Critical
Publication of EP2133277B1 publication Critical patent/EP2133277B1/de
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
    • B65D1/00—Rigid or semi-rigid 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 or 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

  • Containers intended to contain a flat liquid are, in most cases, provided with a domed bottom generally spherical cap with concavity facing outwards and of relatively low height.
  • Such bottoms are often provided with substantially radially radially extending ribs which are distributed around a central recess, said ribs being able to present various conformations and capable of possibly overflow on the bottom of the body wall to strengthen the seat (peripheral area by which the bottom rests on a support).
  • the height of funds of this kind, including central recess is typically of the order of 10 mm, and can be up to 15 mm.
  • Such bottoms are shaped to support without deformation the column of flat liquid which overcomes them. But they do not have sufficient strength to withstand additional stress, which may for example be due to an internal pressure, even low value.
  • This small quantity of inert substance finishes to vaporize once the capping is complete, so that there remains in the closed container of the inerting gas under a low residual pressure of less than 2 ⁇ 10 5 Pa, typically of the order of 1 ⁇ 10 5 Pa, or of the order of 0.5x10 5 Pa.
  • the slightly curved bottoms traditionally provided for containers for flat liquids are not able to withstand, without deformation, a pressure as low as that caused by the inerting process.
  • FIG. 1A is a side view of the lower part of a container 1 (here a bottle of generally cylindrical shape of revolution) of thermoplastic material such as PET, having a body 2 extending between, above, a neck (not visible ) and, bottom, a bottom 3.
  • the bottom 3 is shown, alone, at the Figure 1B in view from below, at the figure 1C in diametrical section along line IC-IC of the Figure 1B , and at figure 1D in perspective from below.
  • the bottom 3 comprises a vault 4 of generally domed shape with a concavity turned towards the outside of the container 1 and it has an annular zone 5 surrounding the arch 4 and forming a substantially planar base by which said bottom 3 can rest stably on a plane support.
  • the vault 4 opens on a domed dome 6 also concavity facing outwardly, said dome thus being set back towards the inside of the container with respect to the vault.
  • the bottom 3 has a wall 8, in return, also called wall 8 connecting with the wall 9 of the body 2 of the container.
  • main ribs 7 open towards the outside, in the general shape of gutters with substantially parallel edges and of substantially constant depth, extend radially in a star shape from the wall 8 in return from the bottom 3 to the dome 6 in which they end, crossing the annular zone 5 forming a seat and the roof 4; in the illustrated example, the main ribs 7 are odd, here equal to five.
  • secondary ribs 10 are added, which may have substantially the same conformation as the main ribs 7, which are interposed between the main ribs 7, but extend radially in a star shape from the wall 8. back from the bottom 3 only to the middle of the vault 4, crossing the annular zone 5 forming a seat.
  • thermoplastic containers such as PET permanently seek a lighter containers, which results in among other things by lightening the bottoms of the containers.
  • container bottoms having forms that were satisfactory a few years ago can no longer be suitable because of the substantial reduction in the quantity of material used.
  • the distribution of drops of inerting liquid requires, to be precise, a dosing equipment which is relatively expensive and which producers avoid using.
  • the drops of inerting liquid are formed more or less empirically and their volume can vary very significantly, in practice between half and twice the theoretical value desirable.
  • the overpressure generated inside the container can substantially exceed the value of about 1x10 5 Pa desired and can reach up to 2x10 5 Pa.
  • the abovementioned funds, in their lightened version, are therefore not able to to support such an overpressure without collapsing.
  • the invention aims to provide an improved convex bottom conformation for clean containers to be filled with flat and closed liquids in the presence of a relatively low pressure in principle of the order of 1x10 5 Pa and in practice not exceeding approximately 2 ⁇ 10 5 Pa, requiring only a minimum of thermoplastic material, easy to conform correctly under the usual conditions of blow molding or stretch-blow molding of containers intended for flat liquids, and having a height substantially of the same order of magnitude as that of traditional container bottoms for flat liquids.
  • the radial ends of said claw-shaped areas are spaced from the edge of said dome, so that there remains an integral annular area of the vault around the dome.
  • a three-level structure is created, namely the central dome, which represents the deepest level (seen from the outside), the vault that surrounds the dome, and extends in a star to form the bottoms of the gorge. which forms an intermediate level, and finally the claw-shaped areas which form an outermost higher level.
  • the dome can be bulged.
  • the vault can also be curved, for example in a spherical zone, or else be shaped as a truncated cone.
  • said annular zone forming a seat has a diameter that is between about 70% and 90% of the diameter of the body, and that said arch has a height that is between about 10% and 25% of the diameter of the body. diameter of the annular zone forming a seat.
  • the bottom has a height that is greater than about 15% of the diameter of the annular zone forming a seat.
  • the height of the dome is between about 10% and 50% of the height of the vault.
  • thermoplastic container such as PET which is capable of to withstand, without deformation, inerting pressures which may incidentally reach up to about 2 x 10 5 Pa, while being produced with a lesser amount of material.
  • a container of 1.51 PET arranged according to the invention can be made with a weight of thermoplastic material of the order of 22 gr, while the weight of containers of equivalent volume PET conventional type and according to the document FR 2,883,550 mentioned above was, only three years ago, of the order of 26 to 27 gr (ie a reduction of about 15% of the weight of PET used per container).
  • the bottom 3 has zones 11 in the form of claws, separated from each other, which extend the bottom of the body radially toward the center of the bottom and which are offset projecting from said outer arch 4
  • the zones 11 in the form of claws are presented as curvilinear plates surmounting the level of the vault 4 while accompanying the radial shape of it, as seen better in the Figure 2B and especially at the 2D figure .
  • the zones 11 in the form of claws delimit between them radial grooves 12, grooves whose bottom 13 is formed by radial sections 4a of said arch 4.
  • the grooves 12 of the bottom arranged according to the invention are formed above the roof 4, in elevation with respect thereto.
  • the grooves 12 have a depth which is variable in the radial direction.
  • the inversion of the curvature at 16 of the bottom 13 of the grooves 12 is located approximately vertically above the annular zone forming a seat, as visible in FIG. Figure 2C . It is at this point that the depth p of the grooves 12 is maximum, so that the reinforcement effect is maximum at the level of the seat, which ensures the maintenance of the shape, and therefore of the flatness of the seat. this.
  • the depth of the grooves 12 decreases progressively on both sides until it vanishes at the outer and inner ends of the grooves, as can be seen more clearly on the Figures 2A , 2C and 2D .
  • the arch 4 is curved, and here is more specifically curved approximately in the shape of a spherical zone, although other convex conformations are perfectly conceivable.
  • the annular area forming a seat has a diameter B which is between about 70% and 90% of the diameter A of the body 2 of the container 1, and that the roof 4 has a height C which is between about 10% and 25% of the diameter B of the annular zone 5 forming a seat.
  • the bottom 3 may also be desirable for the bottom 3 to have a height E which is greater than about 15% of the diameter B of the annular zone forming a base.
  • the height F of the dome may be between about 10% and 50% of the height C of the vault, i.e. the total height D of the cavity formed by the dome 6 and the vault 4 (in other words cumulative heights F of the dome 6 and C of the vault 4) is between 1.10% and 1.50% of the height C of the vault 4.
  • the geometry of the bottom 3 can advantageously respond to the following relationships: 0 , 70 AT ⁇ B ⁇ 0 , 90 AT 0 , 10 B ⁇ VS ⁇ 0 , 25 B 1 , 10 VS ⁇ D ⁇ 1 , 50 VS 0 , 15 B ⁇ E
  • the arch 4 is curved and the zones 11 in the form of claws constitute curvilinear plates.
  • the roof 4 is always concave concavity turned towards the outside of the container; however this vault is no longer convex but frustoconical surrounding the dome 6.
  • the bottoms 13 of the grooves 12 are substantially flat and inclined while the zones 11 in the form of claws constitute substantially flat plates and inclined.
  • the bottom 3 illustrated in Figures 3A and 3B remains identical to what has been described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Laminated Bodies (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
EP09162293A 2008-06-13 2009-06-09 Behälter, insbesondere Flasche, aus thermoplastischem Material mit verstärktem Boden Not-in-force EP2133277B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0853921A FR2932458B1 (fr) 2008-06-13 2008-06-13 Recipient, notamment bouteille, en matiere thermoplastique equipe d'un fond renforce

Publications (2)

Publication Number Publication Date
EP2133277A1 true EP2133277A1 (de) 2009-12-16
EP2133277B1 EP2133277B1 (de) 2010-11-10

Family

ID=40262128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09162293A Not-in-force EP2133277B1 (de) 2008-06-13 2009-06-09 Behälter, insbesondere Flasche, aus thermoplastischem Material mit verstärktem Boden

Country Status (9)

Country Link
US (1) US8469214B2 (de)
EP (1) EP2133277B1 (de)
JP (1) JP4860724B2 (de)
CN (1) CN101633417B (de)
AT (1) ATE487664T1 (de)
DE (1) DE602009000335D1 (de)
ES (1) ES2355932T3 (de)
FR (1) FR2932458B1 (de)
MX (1) MX2009006478A (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913447A (zh) * 2010-08-10 2010-12-15 广东星联精密机械有限公司 一种耐内压的pet热灌装瓶瓶底结构
WO2013178905A1 (fr) * 2012-05-31 2013-12-05 Sidel Participations Recipient ayant un fond muni d'une voute a decrochement
WO2014083255A1 (fr) 2012-11-30 2014-06-05 Sidel Participations Recipient ayant un fond muni d'une voute a double decrochement
WO2015189515A1 (fr) * 2014-06-13 2015-12-17 Sidel Participations Recipient muni d'un fond a poutres bourrelees
US10358250B2 (en) 2013-02-11 2019-07-23 Krones Ag Plastics material container
JP2019533616A (ja) * 2016-11-04 2019-11-21 ペプシコ・インク シャンパン用基部（ｃｈａｍｐａｇｎｅ ｂａｓｅ）を有するプラスチックボトル、及びその製造方法
US11548678B2 (en) * 2017-06-12 2023-01-10 Societe Des Produits Nestle S.A. Container bottom base provided with a bi-concave arch

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FR2904808B1 (fr) * 2006-08-08 2011-03-04 Sidel Participations Fond de corps creux obtenu par soufflage ou etirage soufflage d'une preforme en materiau thermoplastique, corps creux conprenant un tel fond
FR2959214B1 (fr) * 2010-04-21 2012-06-29 Sidel Participations Fond de recipient petaloide renforce
FR2961181B1 (fr) * 2010-06-11 2012-07-27 Sidel Participations Recipient comprenant un fond voute a assise carree
FR2961492B1 (fr) * 2010-06-18 2012-07-13 Sidel Participations Recipient leger a fond renforce
JP5652702B2 (ja) * 2010-09-01 2015-01-14 大日本印刷株式会社 プラスチックボトル
JP5733607B2 (ja) * 2010-12-28 2015-06-10 大日本印刷株式会社 プラスチックボトル
WO2012029665A1 (ja) * 2010-09-01 2012-03-08 大日本印刷株式会社 プラスチックボトル
US8991628B2 (en) * 2010-11-12 2015-03-31 Graham Packaging Company, L.P. Hot-fill jar base
DE102010064125A1 (de) 2010-12-23 2012-06-28 Krones Aktiengesellschaft Behälter aus einem thermoplastischen Material
FR2974069B1 (fr) 2011-04-12 2014-08-08 Sidel Participations Fond de recipient petaloide a double vallee
JP5646414B2 (ja) * 2011-08-24 2014-12-24 株式会社神戸製鋼所 圧力容器
US10532848B2 (en) 2011-08-31 2020-01-14 Amcor Rigid Plastics Usa, Llc Lightweight container base
PE20141925A1 (es) * 2011-08-31 2014-12-05 Amcor Ltd Base de recipiente de peso ligero
US10538357B2 (en) 2011-08-31 2020-01-21 Amcor Rigid Plastics Usa, Llc Lightweight container base
US10023346B2 (en) * 2012-12-27 2018-07-17 Niagara Bottling, Llc Swirl bell bottle with wavy ribs
US11845581B2 (en) 2011-12-05 2023-12-19 Niagara Bottling, Llc Swirl bell bottle with wavy ribs
US9120589B2 (en) * 2012-12-27 2015-09-01 Niagara Bottling, Llc Plastic container with strapped base
US8556098B2 (en) 2011-12-05 2013-10-15 Niagara Bottling, Llc Plastic container having sidewall ribs with varying depth
DE102012003219B4 (de) 2012-02-20 2025-06-26 Krones Ag Kunststoffbehältnis
JP6131629B2 (ja) * 2012-02-28 2017-05-24 大日本印刷株式会社 プラスチックボトル
JP5970905B2 (ja) * 2012-03-27 2016-08-17 大日本印刷株式会社 プラスチックボトル
ITTV20120071A1 (it) 2012-05-04 2013-11-05 Pet Engineering S R L Bottiglia di materiale polimerico
USD744843S1 (en) * 2012-05-04 2015-12-08 Robinsons Soft Drinks Limited Bottle
USD741714S1 (en) * 2012-10-09 2015-10-27 Robinsons Soft Drinks Limited Bottle
USD699113S1 (en) * 2012-11-27 2014-02-11 Krones Ag Bottle
CH707262A2 (de) * 2012-11-30 2014-05-30 Alpla Werke Kunststoffbehälter.
BR112015015458A2 (pt) 2012-12-27 2017-07-11 Niagara Bottling Llc recipiente de plástico com base presa
FR3003848B1 (fr) * 2013-04-02 2015-04-17 Sidel Participations Recipient ayant un fond muni d'une voute a decrochement
FR3004380B1 (fr) * 2013-04-12 2015-08-28 Sidel Participations Moule a plan de joint deporte pour la fabrication de recipients a stabilite accrue
DE102013103777A1 (de) * 2013-04-15 2014-10-16 Krones Ag Kunststoffbehältnis
FR3005035B1 (fr) * 2013-04-24 2016-01-15 Sidel Participations Recipient muni d'un fond deformable a double arche
FR3007392B1 (fr) * 2013-06-25 2016-02-05 Sidel Participations Recipient mini petaloide rainure
USD781712S1 (en) * 2014-03-24 2017-03-21 B. Braun Melsungen Ag Bottle
FR3032946B1 (fr) * 2015-02-23 2017-02-10 Sidel Participations Recipient muni d'un fond mini petaloide a cannelures transversales
JP7012417B2 (ja) * 2015-05-20 2022-01-28 サントリーホールディングス株式会社 アセプティック充填用ボトル
JP6242366B2 (ja) * 2015-05-20 2017-12-06 ザ コカ・コーラ カンパニーＴｈｅ Ｃｏｃａ‐Ｃｏｌａ Ｃｏｍｐａｎｙ プラスチックボトル
CN105460340A (zh) * 2016-01-27 2016-04-06 四川省洛源食品有限公司 一种瓶头加强饮料瓶
FR3057246B1 (fr) * 2016-10-06 2022-12-16 Sidel Participations Fond petaloide a vallee brisee
JP7241456B2 (ja) * 2017-03-07 2023-03-17 サントリーホールディングス株式会社 アセプティック充填用ボトル
US10597213B2 (en) * 2017-03-27 2020-03-24 Yoshino Kogyosho Co., Ltd. Pressure reduction-absorbing bottle
RU2019137481A (ru) 2017-04-21 2021-05-21 КЕН ФОРМИНГ ТЕКНОЛОДЖИС, ЭлЭлСи Профиль свода контейнера облегченной конструкции и способ его изготовления
KR20200099126A (ko) * 2017-12-15 2020-08-21 소시에떼 데 프로듀이 네슬레 소시에떼아노님 병, 그의 제조 방법, 및 그러한 병에서의 fdca 및 다이올 단량체의 용도
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
JP7068910B2 (ja) * 2018-04-24 2022-05-17 株式会社吉野工業所 ボトル
WO2019216905A1 (en) * 2018-05-11 2019-11-14 Amcor Rigid Plastics Usa, Llc Container pressure base
US10926911B2 (en) 2018-10-15 2021-02-23 Pepsico. Inc. Plastic bottle with base
US12017125B2 (en) * 2020-12-25 2024-06-25 Sumitomo Rubber Industries, Ltd. Golf bag
US20240059449A1 (en) * 2021-02-18 2024-02-22 The Coca-Cola Company Bottle with a light weighted base
JP7455081B2 (ja) * 2021-02-22 2024-03-25 サントリーホールディングス株式会社 プラスチックボトル
USD1085878S1 (en) 2021-03-25 2025-07-29 Niagara Bottling, Llc Bottle
US12129072B2 (en) * 2021-11-30 2024-10-29 Pepsico, Inc. Flexible base for aseptic-fill bottles
WO2023143739A1 (fr) 2022-01-28 2023-08-03 Sidel Participations Recipient ayant un fond de type petaloide renforce et fond de moule pour la fabrication d'un tel recipient
FR3163060A1 (fr) 2024-06-06 2025-12-12 Sidel Participations Récipient ayant un fond à ondulations et fond de moule pour la fabrication d’un tel récipient

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913447B (zh) * 2010-08-10 2012-07-04 广东星联精密机械有限公司 一种耐内压的pet热灌装瓶瓶底结构
CN101913447A (zh) * 2010-08-10 2010-12-15 广东星联精密机械有限公司 一种耐内压的pet热灌装瓶瓶底结构
US9415891B2 (en) 2012-05-31 2016-08-16 Sidel Participations Container having a bottom provided with a stepped arch
WO2013178905A1 (fr) * 2012-05-31 2013-12-05 Sidel Participations Recipient ayant un fond muni d'une voute a decrochement
FR2991302A1 (fr) * 2012-05-31 2013-12-06 Sidel Participations Recipient ayant un fond muni d'une voute a decrochement
US9758271B2 (en) 2012-11-30 2017-09-12 Sidel Participations Container having a bottom provided with a vault with a double indentation
FR2998877A1 (fr) * 2012-11-30 2014-06-06 Sidel Participations Recipient ayant un fond muni d'une voute a double decrochement
WO2014083255A1 (fr) 2012-11-30 2014-06-05 Sidel Participations Recipient ayant un fond muni d'une voute a double decrochement
US10358250B2 (en) 2013-02-11 2019-07-23 Krones Ag Plastics material container
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
JP2019533616A (ja) * 2016-11-04 2019-11-21 ペプシコ・インク シャンパン用基部（ｃｈａｍｐａｇｎｅ ｂａｓｅ）を有するプラスチックボトル、及びその製造方法
EP3535192A4 (de) * 2016-11-04 2020-09-02 Pepsico, Inc. Kunststoffflasche mit champagnerboden und herstellungsverfahren dafür
US11548678B2 (en) * 2017-06-12 2023-01-10 Societe Des Produits Nestle S.A. Container bottom base provided with a bi-concave arch

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MX2009006478A (es) 2010-01-15
ES2355932T3 (es) 2011-04-01
CN101633417B (zh) 2012-01-25
FR2932458B1 (fr) 2010-08-20
JP2009298483A (ja) 2009-12-24
US20090308835A1 (en) 2009-12-17
CN101633417A (zh) 2010-01-27
EP2133277B1 (de) 2010-11-10
JP4860724B2 (ja) 2012-01-25
FR2932458A1 (fr) 2009-12-18
ATE487664T1 (de) 2010-11-15
DE602009000335D1 (de) 2010-12-23
US8469214B2 (en) 2013-06-25

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