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WO2006060365A1 - Base de panneau à ventouses - Google Patents

Base de panneau à ventouses Download PDF

Info

Publication number
WO2006060365A1
WO2006060365A1 PCT/US2005/043077 US2005043077W WO2006060365A1 WO 2006060365 A1 WO2006060365 A1 WO 2006060365A1 US 2005043077 W US2005043077 W US 2005043077W WO 2006060365 A1 WO2006060365 A1 WO 2006060365A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic container
inner portion
sidewall
container according
base
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.)
Ceased
Application number
PCT/US2005/043077
Other languages
English (en)
Inventor
Gilles Keller
Michel Romand
Gilles Rapet
Gilles Perez
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.)
Graham Packaging Co LP
Original Assignee
Graham Packaging Co LP
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 Graham Packaging Co LP filed Critical Graham Packaging Co LP
Priority to AU2005312012A priority Critical patent/AU2005312012A1/en
Priority to MX2007006579A priority patent/MX2007006579A/es
Priority to BRPI0518731-1A priority patent/BRPI0518731A2/pt
Publication of WO2006060365A1 publication Critical patent/WO2006060365A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D1/0276—Bottom construction having a continuous contact surface, e.g. Champagne-type bottom
    • 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
    • B65D79/00—Kinds or details of packages, not otherwise provided for
    • B65D79/005—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting
    • B65D79/008—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a rigid or semi-rigid container, e.g. in bottles or jars
    • B65D79/0081—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a rigid or semi-rigid container, e.g. in bottles or jars in the bottom part thereof

Definitions

  • the present invention relates generally to a container having a base structure for enhancing the structural integrity of the container.
  • the hot-fill process is the procedure by which containers are filled with a beverage at a high temperature and capped soon thereafter. As the beverage cools within the container, stresses and strains develop in the container due to changes in the volume of the contents. In some instances, the hot-fill process can create a vacuum inside the container.
  • a polyolefin container prepared by a continuous extrusion blow-molding process can be used in the hot-fill process.
  • Polyolefin continuous extrusion blow-molded containers include multi-layer containers that provide the requisite structure and barriers to oxygen and oils, for example. These multi-layered containers typically include a layer of polyolefin, such as polypropylene or polyethylene, as the main structure providing layer. Other layers can include oxygen barrier layers, moisture barrier layers, and regrind layers to provide the necessary barrier structures, as well as adhesives between the layers.
  • a parison can be heated in an extruder, captured by a mold, and blown in the mold.
  • a parison can be extruded up into the mold and as the mold comes together, a pneumatic blow pin, for example, can pierce the parison and blow the parison up against the walls of the mold.
  • the mold typically contains flash pockets above and below the mold cavity to capture the excess parison above and below the cavity.
  • Exemplary embodiments of the invention provide a plastic container having a tubular sidewall and a base merging with the sidewall.
  • the base includes an annular bearing surface having a weak point, and an inner portion for accommodating inner forces tending to collapse the sidewall.
  • the inner portion has a hinge for facilitating the inward collapse of the inner portion, a vacuum panel, and a support ring interposed between the hinge and the vacuum panel to maintain the shape of the vacuum panel as the inner portion collapses.
  • the base includes an annular bearing surface having a weak point, and an inner portion having an annular hinge, a support ring, and a vacuum panel surrounded by the annular hinge and the support ring.
  • the inner portion extends outward under a first state and flexes inward when a vacuum is created inside the plastic container.
  • Still further embodiments of the invention provide a plastic container including a substantially smooth, cylindrical sidewall and a base merging with the sidewall.
  • the base includes an annular bearing surface having a weak point, and an inner portion having an annular hinge, a support ring, and a vacuum panel surrounded by the annular hinge and the support ring.
  • the inner portion extends outward under a first state and ilexes inward when a vacuum is created inside the plastic container without deforming the at least one of the sidewall and the base.
  • FIG. 1 depicts a perspective view of an exemplary embodiment of a container base according to the present invention
  • FIG. 2 depicts a cross-sectional view of an exemplary embodiment of a base according to the present invention.
  • FIG. 3 depicts a cross-sectional view of an exemplary embodiment of a base according to the present invention.
  • Figure 1 is a bottom perspective view of an exemplary embodiment of a container 10 according to the present invention.
  • Container 10 can be made from a plastic such as a nylon, polyester, such as PET, a polyolefin, such as polyethylene, polypropylene, or the like.
  • the plastic can be in one or more layers of a multi-layered container, or can be the only component of the container.
  • Container 10 can have a tubular sidewall 11 that can merge with base 12.
  • sidewall 11 can be a substantially smooth, substantially cylindrical sidewall.
  • Sidewall 11 can be flexible, yet resistant to deformation when a vacuum is created inside container 10.
  • FIG. 2 illustrates a cross-sectional view of an exemplary embodiment of a base 12 according to the present invention.
  • base 12 can have an annular bearing surface 13 for contact with a horizontal surface (not shown).
  • Annular bearing surface 13 can have a weak point 18 for enabling inward flexure of base 12.
  • Base 12 can also have an inner portion 17 surrounded by annular bearing surface 13.
  • Inner portion 17 can include annular hinge 14, support ring 15 and vacuum panel 16.
  • annular hinge 14 can have a curved cross-section so that it is concave in a direction inwardly of the container 10.
  • Support ring 15 can be interposed between annular hinge 14 and vacuum panel 16.
  • Support ring 15 can have a curved cross-section that is concave in a direction outwardly of the container 10.
  • annular hinge 14 can provide a flexing point for inner portion 17 to flex inwardly enabling vacuum panel 16 to flex into the position shown in the broken lines in Figure 3.
  • the support ring 15 provides structural integrity to both the vacuum panel 16 and bearing surface 13. That is, the support ring 15 assists in maintaining the shape of the inner portion 17 as inner portion 17 collapses inwardly due to pressure or volumetric changes within the container 10. In the illustrated embodiment, the support ring 15 is maintaining the circular shape of the inner portion 17.
  • the support ring 15 also cooperates with hinge 14 to isolate the movement of the inner portion 17 from the bearing surface 13.
  • weak point 18 may enable the annular bearing surface 13 to curl into the base of the container to preserve the integrity of annular bearing surface 13, as is shown by the directional arrow A in Figure 3.
  • the vacuum panel 16 flexes inwardly and maintains its convex shape or becomes more flattened in cross-section. Such a flexure occurs about hinge 14.
  • the support ring 15 functions to maintain the circular shape of the inner portion 17. Also, either alone or through cooperation with the hinge 14, the shape and integrity of the bearing surface is maintained.
  • the shape of the inner portion 17 does not change as the base flexes. Rather, vacuum panel 16 together with support ring 15 move as a unit in an inward direction into the container 10. The flexure occurs about hinge 14. Flexure of the hinge 14 is sufficient to prevent a distortion of the bearing surface 13 as the inner surface 17 moves inward, as is shown by the broken lines in Figure 3.
  • weak point 18 may enable the annular bearing surface 13 to curl into the base of the container to preserve the integrity of annular bearing surface 13, as is shown by the directional arrow A in Figure 3.
  • a container with a base as in exemplary embodiments of the present invention can be formed with smooth sidewalls. Structural features in the sidewall, which can be unappealing to consumers, can be minimized or avoided.
  • the base compensates for a significant portion of the vacuum created during processing, the amount of material in the sidewall can be reduced. That is, the sidewall need not be reinforced with plastic material in order to prevent distortion, hi an exemplary embodiment of a container, this can result in a weight reduction from an initial 45 grams, for example, to a final weight of 35 grams, for example.
  • the container weight can be reduced by 5 percent or more, greater than 10 percent, or even more than 20 percent, for example.
  • the actual weight reduction obtained can depend on the size of the container, the material used to make the container, and whether additional structural features are used to accommodate a vacuum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

Conteneur plastique ayant une paroi et une base fusionnant avec la paroi. La base comprend une surface portante annulaire et une partie interne pour tenir compte de forces internes tendant à faire plier la paroi. La partie interne a une charnière pour faciliter le pliage vers l’intérieur de la partie interne, un panneau à ventouses et un anneau de maintien interposé entre la charnière et le panneau à ventouses pour faciliter une flexion du panneau à ventouses.
PCT/US2005/043077 2004-12-01 2005-12-01 Base de panneau à ventouses Ceased WO2006060365A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2005312012A AU2005312012A1 (en) 2004-12-01 2005-12-01 Vacuum panel base
MX2007006579A MX2007006579A (es) 2004-12-01 2005-12-01 Base de panel al vacio.
BRPI0518731-1A BRPI0518731A2 (pt) 2004-12-01 2005-12-01 recipiente plÁstico

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/000,422 2004-12-01
US11/000,422 US20060113274A1 (en) 2004-12-01 2004-12-01 Vacuum panel base

Publications (1)

Publication Number Publication Date
WO2006060365A1 true WO2006060365A1 (fr) 2006-06-08

Family

ID=36070411

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/043077 Ceased WO2006060365A1 (fr) 2004-12-01 2005-12-01 Base de panneau à ventouses

Country Status (5)

Country Link
US (1) US20060113274A1 (fr)
AU (1) AU2005312012A1 (fr)
BR (1) BRPI0518731A2 (fr)
MX (1) MX2007006579A (fr)
WO (1) WO2006060365A1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5501184B2 (ja) * 2010-09-30 2014-05-21 株式会社吉野工業所 ボトル
WO2012054398A2 (fr) * 2010-10-18 2012-04-26 Plastipak Packaging, Inc. Récipient plastique résistant aux températures d'autoclave
US10829260B2 (en) 2010-11-12 2020-11-10 Niagara Bottling, Llc Preform extended finish for processing light weight ecologically beneficial bottles
JP2013543805A (ja) 2010-11-12 2013-12-09 ナイアガラ・ボトリング・エルエルシー 軽量ボトルを加工するための伸長仕上げされたプリフォーム
US10118724B2 (en) 2010-11-12 2018-11-06 Niagara Bottling, Llc Preform extended finish for processing light weight ecologically beneficial bottles
US10647465B2 (en) 2010-11-12 2020-05-12 Niagara Bottling, Llc Perform extended finish for processing light weight ecologically beneficial bottles
US9994378B2 (en) 2011-08-15 2018-06-12 Graham Packaging Company, L.P. Plastic containers, base configurations for plastic containers, and systems, methods, and base molds thereof
US9150320B2 (en) 2011-08-15 2015-10-06 Graham Packaging Company, L.P. Plastic containers having base configurations with up-stand walls having a plurality of rings, and systems, methods, and base molds thereof
EP4378849B1 (fr) 2011-12-05 2025-09-24 Niagara Bottling, LLC Récipient en matière plastique avec nervures de profondeur variables
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
DE102012003219B4 (de) 2012-02-20 2025-06-26 Krones Ag Kunststoffbehältnis
JP6321034B2 (ja) 2012-12-27 2018-05-09 ナイアガラ・ボトリング・リミテツド・ライアビリテイー・カンパニー ストラップ状ベースを有するプラスチック容器
USD699116S1 (en) 2013-05-07 2014-02-11 Niagara Bottling, Llc Plastic container
USD696126S1 (en) 2013-05-07 2013-12-24 Niagara Bottling, Llc Plastic container
USD699115S1 (en) 2013-05-07 2014-02-11 Niagara Bottling, Llc Plastic container
AU2015255903A1 (en) 2014-05-07 2016-12-08 Milacron Llc Plastic container with flexible base portion
JP2017178381A (ja) 2016-03-30 2017-10-05 株式会社吉野工業所 合成樹脂製ボトル
MX2021001286A (es) 2018-07-30 2021-07-15 Niagara Bottling Llc Preforma de recipiente con acabado roscado con evidencia a la manipulación indebida.
US11597556B2 (en) 2018-07-30 2023-03-07 Niagara Bottling, Llc Container preform with tamper evidence finish portion
WO2022192734A1 (fr) 2021-03-12 2022-09-15 Niagara Bottling, Llc Préforme de récipient

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125632A (en) * 1976-11-22 1978-11-14 American Can Company Container
US4685273A (en) * 1981-06-19 1987-08-11 American Can Company Method of forming a long shelf-life food package
US20040232103A1 (en) * 2003-05-23 2004-11-25 Lisch G. David Container base structure responsive to vacuum related forces

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3409167A (en) * 1967-03-24 1968-11-05 American Can Co Container with flexible bottom
US4381061A (en) * 1981-05-26 1983-04-26 Ball Corporation Non-paneling container
US5819507A (en) * 1994-12-05 1998-10-13 Tetra Laval Holdings & Finance S.A. Method of filling a packaging container
US6983858B2 (en) * 2003-01-30 2006-01-10 Plastipak Packaging, Inc. Hot fillable container with flexible base portion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125632A (en) * 1976-11-22 1978-11-14 American Can Company Container
US4685273A (en) * 1981-06-19 1987-08-11 American Can Company Method of forming a long shelf-life food package
US20040232103A1 (en) * 2003-05-23 2004-11-25 Lisch G. David Container base structure responsive to vacuum related forces

Also Published As

Publication number Publication date
BRPI0518731A2 (pt) 2008-12-02
AU2005312012A1 (en) 2006-06-08
US20060113274A1 (en) 2006-06-01
MX2007006579A (es) 2007-11-22

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