EP4294732A1 - Bottle with a light weighted base - Google Patents

Bottle with a light weighted base

Info

Publication number
EP4294732A1
EP4294732A1 EP22756727.8A EP22756727A EP4294732A1 EP 4294732 A1 EP4294732 A1 EP 4294732A1 EP 22756727 A EP22756727 A EP 22756727A EP 4294732 A1 EP4294732 A1 EP 4294732A1
Authority
EP
European Patent Office
Prior art keywords
bottle
sidewall
ribs
extending ribs
section
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.)
Pending
Application number
EP22756727.8A
Other languages
German (de)
French (fr)
Other versions
EP4294732A4 (en
Inventor
Rohit Joshi
Jeffrey KLOK
Feng Simon Shi
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.)
Coca Cola Co
Original Assignee
Coca Cola Co
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 Coca Cola Co filed Critical Coca Cola Co
Publication of EP4294732A1 publication Critical patent/EP4294732A1/en
Publication of EP4294732A4 publication Critical patent/EP4294732A4/en
Pending 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
    • B65D1/0284—Bottom construction having a discontinuous contact surface, e.g. discrete feet
    • 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
    • B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
    • 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 application and the resultant patent relate generally to plastic bottles for beverages and the like and more particularly relate to plastic bottles with a light weighted base for increased flexibility so as to reduce sidewall paneling while under a vacuum.
  • thermoplastic PET (polyethylene terephthalate) bottles are ubiquitous in the beverage industry and the like. Particularly in PET bottles that are used for non-carbonated beverages, there is a continuing effort to use less and less plastic therein. Reducing the amount of plastic, however, generally means reducing the wall thickness. A reduction in wall thickness may result in an overall reduction in bottle strength such that the bottle may not be reliable during distribution and may become uncomfortable for the consumer to hold. Moreover, beverages such as water, tea, and other types of non-carbonated beverages may develop a negative internal bottle pressure therein after filing and during cold storage. Such a negative internal bottle pressure may further weaken overall bottle strength and may result in distorted bottle shapes.
  • certain plastic bottles filled with water and the like may use a substantially rigid, uninterrupted base.
  • a rigid base may not be able to flex when a negative internal pressure develops within the bottle.
  • Such a negative pressure may cause the sidewalls of the bottle to develop flat spots, dents, or other types of deformations therein.
  • Such deformation may give the overall bottle a distorted appearance to the consumer.
  • an improved non-carbonated beverage bottle design may resist deformation and the like while providing a unique visual aesthetic.
  • the present application and the resultant patent thus may provide a bottle.
  • the bottle may include a sidewall and a base section.
  • the base section includes a number of ribs extending from a center dome to a flex surface about the sidewall to resist deformation in the sidewall.
  • the present application and the resultant patent further may provide a polyethylene terephthalate bottle.
  • the polyethylene terephthalate bottle may include a sidewall and a flexible base structure.
  • the flexible base structure may include a number of ribs extending from a center dome, through a support ring, and into a flex surface about the sidewall to resist deformation in the sidewall.
  • Fig. 1 is a perspective view of a bottle with a light weighted base as may be described herein.
  • Fig. 2 is a front plan view of the bottle of Fig. 1.
  • Fig. 3 is a top plan view of the bottle of Fig. 1.
  • Fig. 4 is a bottom plan view of the bottle of Fig. 1.
  • Fig. 5 is a sectional view of the bottle taken along lines A-A of Fig. 4.
  • Figs. 1-5 show an example of a bottle 100 as may be described herein.
  • the bottle 100 may be made from an injection molded preform (not shown).
  • the preform may be made from various types of polymer resins. Specifically, biaxially oriented polyethylene terephthalate (“PET”) may be used.
  • PET biaxially oriented polyethylene terephthalate
  • the polymer resins also may include polylactide acid, polypropylene, polyesters, polyolefins, polycarbonates, nitrates, and copolymers thereof. Other types of thermoplastic materials may be used herein.
  • the bottle 100 may be created by the use of blow molding techniques.
  • the bottle 100 may include a mouth section 110, a shoulder section 120, a body section 130, and a base section 140 in any desired size, shape, or configuration.
  • the mouth section 110 may be of conventional design.
  • the mouth section 110 may have one or more threads 150 and a support ring 160 thereon.
  • the threads 150 may be sized to accommodate a closure (not shown) thereon.
  • the closure may be of conventional design.
  • Other components and other configurations may be used herein.
  • the shoulder section 120 may extend outwardly and downwardly from the from the mouth section 110 to the body section 130.
  • the shoulder section 120 may extend in a substantially smooth, curved shape.
  • the body section 130 may extend from the shoulder section 120 to the base section 140.
  • the body section 130 may have a substantially smooth cylindrical sidewall 170.
  • any number of ribs or similar structures may be formed within the sidewall 170 so as to aid in displacing top load forces and increasing overall rigidity.
  • the sidewall 170 may have a partially curved or hourglass like shape. Other components and other configuration may be used herein.
  • the base section 140 may have a light weighted, flexible base structure 175.
  • the flexible base structure 175 may have a center substantially dome-like shape 180 with the top of the dome 180 extend upward within the sidewall 170 of the body section 130.
  • the center dome 180 curves downward from the top to a substantially flat support ring 190.
  • the support ring 190 allows the bottle 100 as a whole to stand upright.
  • An upward flex surface 200 extends from the support ring back upward towards the sidewall 170 of the body section 130.
  • the lower part of the dome 180, the support ring 190, and the flex surface 200 form a substantially flat “U” like shape 210 about the perimeter of the bottle 100 when viewed in cross-section as in Fig. 5.
  • the flexible base structure 175 of the base section 140 also may have a number of radially extending ribs 220 formed therein.
  • the ribs 220 may include a number of fully extending ribs 230 and a number of partially extending ribs 240.
  • the fully extending ribs 230 may extend from adjacent to a center boss 250 in the dome 180, across the support ring 190, and up through the flex surface 210 to the sidewall 170.
  • the center boss 250 may be formed as a trimming point in the blow molding process.
  • the partially extending ribs 230 may extend from a mid-section 260 in the dome 180 (downward and spaced apart from the center boss 250), across the support ring 190, and up through the flex surface 210 to the sidewall 170.
  • the fully extending ribs 240 and the partially extending ribs 250 may alternate in a clockwise direction as is shown in Fig. 4.
  • the size, shape, and configuration of the ribs 220 may vary. Although five fully extending ribs 230 and five partially extending ribs 240 are used herein, any number of the ribs 220 may be used. Other components and other configurations may be used herein.
  • a negative internal bottle pressure may develop after the bottle 100 is filled and capped as the bottle 100 is kept in cold storage.
  • the flexible base structure 175 of the base section 140 may flex in response to the negative pressure so as to prevent or delay flat spots or other types of deformation in the sidewalls 170.
  • the lightweight nature of the flexible base structure in combination with the ribs 220 extending through the flex surface 210 provides additional flexibility so as to accommodate the vacuum with the bottle 100.
  • any deformation that does develop would tend to be lower along the sidewall 170 and closer to the base section 140 where such deformation may be less visible and less likely to have an impact on a consumer’s grip on the bottle 100.
  • the bottle 100 described herein may contain about twenty ounces of a fluid such as water. Other types of fluids may be used herein.
  • the bottle 100 may be made from about 20.5 grams of a PET material.
  • the bottle 100 described herein is for the purpose of example only.
  • the bottle 100 and the dimensions thereof may be sized up or down as appropriate for the desired volume. Other components and other configurations may be used herein.
  • the bottle 100 described herein thus provides a package that is lightweight while maintaining stability and technical performance.
  • the flexible base structure 175 of the base section 140 flexes to maintain the overall shape of the bottle 100 under a vacuum.
  • the bottle 100 thus may be maintained in cold storage for an extended period of time while avoiding deformation.
  • the overall bottle design makes the flexible base structure 175 as lightweight as possible.
  • the flexible base structure 175 uses less material thus allowing more material in the body section 130 and elsewhere.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

The present application provides a bottle. The bottle may include a sidewall and a base section. The base section includes a number of ribs extending from a center dome to a flex surface about the sidewall to resist deformation in the sidewall.

Description

BOTTLE WITH A LIGHT WEIGHTED BASE
TECHNICAL FIELD
[0101] The present application and the resultant patent relate generally to plastic bottles for beverages and the like and more particularly relate to plastic bottles with a light weighted base for increased flexibility so as to reduce sidewall paneling while under a vacuum.
BACKGROUND OF THE INVENTION
[0102] Generally described, thermoplastic PET (polyethylene terephthalate) bottles are ubiquitous in the beverage industry and the like. Particularly in PET bottles that are used for non-carbonated beverages, there is a continuing effort to use less and less plastic therein. Reducing the amount of plastic, however, generally means reducing the wall thickness. A reduction in wall thickness may result in an overall reduction in bottle strength such that the bottle may not be reliable during distribution and may become uncomfortable for the consumer to hold. Moreover, beverages such as water, tea, and other types of non-carbonated beverages may develop a negative internal bottle pressure therein after filing and during cold storage. Such a negative internal bottle pressure may further weaken overall bottle strength and may result in distorted bottle shapes.
[0103] Similarly, certain plastic bottles filled with water and the like may use a substantially rigid, uninterrupted base. Such a rigid base may not be able to flex when a negative internal pressure develops within the bottle. Such a negative pressure may cause the sidewalls of the bottle to develop flat spots, dents, or other types of deformations therein. Such deformation may give the overall bottle a distorted appearance to the consumer.
[0104] There is thus a desire for an improved non-carbonated beverage bottle design. Preferably, such an improved bottle design may resist deformation and the like while providing a unique visual aesthetic.
SUMMARY OF THE INVENTION
[0105] The present application and the resultant patent thus may provide a bottle. The bottle may include a sidewall and a base section. The base section includes a number of ribs extending from a center dome to a flex surface about the sidewall to resist deformation in the sidewall.
[0106] The present application and the resultant patent further may provide a polyethylene terephthalate bottle. The polyethylene terephthalate bottle may include a sidewall and a flexible base structure. The flexible base structure may include a number of ribs extending from a center dome, through a support ring, and into a flex surface about the sidewall to resist deformation in the sidewall.
[0107] These and other features and advantages of the present application and the resultant patent will become apparent to one of ordinary skill in the art upon review of the following detailed description when taken in conjunction with the several drawings and the appended claims.
BRIEF DESCRIPTION OF THE DRAWINGS
[0108] Fig. 1 is a perspective view of a bottle with a light weighted base as may be described herein.
[0109] Fig. 2 is a front plan view of the bottle of Fig. 1.
[0110] Fig. 3 is a top plan view of the bottle of Fig. 1.
[0111] Fig. 4 is a bottom plan view of the bottle of Fig. 1.
[0112] Fig. 5 is a sectional view of the bottle taken along lines A-A of Fig. 4.
DETAILED DESCRIPTION
[0113] Referring now to the drawings, in which like numerals refer to like elements through the several views, Figs. 1-5 show an example of a bottle 100 as may be described herein. The bottle 100 may be made from an injection molded preform (not shown). The preform may be made from various types of polymer resins. Specifically, biaxially oriented polyethylene terephthalate (“PET”) may be used. The polymer resins also may include polylactide acid, polypropylene, polyesters, polyolefins, polycarbonates, nitrates, and copolymers thereof. Other types of thermoplastic materials may be used herein. The bottle 100 may be created by the use of blow molding techniques. Such techniques may include injection stretch blow molding (one or two steps or otherwise), extrusion blow molding, and similar types of forming techniques. The resultant bottle 100 may be clear or opaque. The material of the bottle 100 may be recyclable. [0114] Generally described, the bottle 100 may include a mouth section 110, a shoulder section 120, a body section 130, and a base section 140 in any desired size, shape, or configuration. The mouth section 110 may be of conventional design. The mouth section 110 may have one or more threads 150 and a support ring 160 thereon. The threads 150 may be sized to accommodate a closure (not shown) thereon. The closure may be of conventional design. Other components and other configurations may be used herein.
[0115] The shoulder section 120 may extend outwardly and downwardly from the from the mouth section 110 to the body section 130. The shoulder section 120 may extend in a substantially smooth, curved shape. The body section 130 may extend from the shoulder section 120 to the base section 140. In this example, the body section 130 may have a substantially smooth cylindrical sidewall 170. In other embodiments, any number of ribs or similar structures may be formed within the sidewall 170 so as to aid in displacing top load forces and increasing overall rigidity. Similarly, the sidewall 170 may have a partially curved or hourglass like shape. Other components and other configuration may be used herein.
[0116] The base section 140 may have a light weighted, flexible base structure 175. The flexible base structure 175 may have a center substantially dome-like shape 180 with the top of the dome 180 extend upward within the sidewall 170 of the body section 130. The center dome 180 curves downward from the top to a substantially flat support ring 190. The support ring 190 allows the bottle 100 as a whole to stand upright. An upward flex surface 200 extends from the support ring back upward towards the sidewall 170 of the body section 130. The lower part of the dome 180, the support ring 190, and the flex surface 200 form a substantially flat “U” like shape 210 about the perimeter of the bottle 100 when viewed in cross-section as in Fig. 5.
[0117] The flexible base structure 175 of the base section 140 also may have a number of radially extending ribs 220 formed therein. In this example, the ribs 220 may include a number of fully extending ribs 230 and a number of partially extending ribs 240. The fully extending ribs 230 may extend from adjacent to a center boss 250 in the dome 180, across the support ring 190, and up through the flex surface 210 to the sidewall 170. (The center boss 250 may be formed as a trimming point in the blow molding process.) The partially extending ribs 230 may extend from a mid-section 260 in the dome 180 (downward and spaced apart from the center boss 250), across the support ring 190, and up through the flex surface 210 to the sidewall 170. The fully extending ribs 240 and the partially extending ribs 250 may alternate in a clockwise direction as is shown in Fig. 4. The size, shape, and configuration of the ribs 220 may vary. Although five fully extending ribs 230 and five partially extending ribs 240 are used herein, any number of the ribs 220 may be used. Other components and other configurations may be used herein.
[0118] As described above, a negative internal bottle pressure may develop after the bottle 100 is filled and capped as the bottle 100 is kept in cold storage. The flexible base structure 175 of the base section 140 may flex in response to the negative pressure so as to prevent or delay flat spots or other types of deformation in the sidewalls 170. Specifically, the lightweight nature of the flexible base structure in combination with the ribs 220 extending through the flex surface 210 provides additional flexibility so as to accommodate the vacuum with the bottle 100. Moreover, any deformation that does develop would tend to be lower along the sidewall 170 and closer to the base section 140 where such deformation may be less visible and less likely to have an impact on a consumer’s grip on the bottle 100.
[0119] The bottle 100 described herein may contain about twenty ounces of a fluid such as water. Other types of fluids may be used herein. The bottle 100 may be made from about 20.5 grams of a PET material. The bottle 100 described herein is for the purpose of example only. The bottle 100 and the dimensions thereof may be sized up or down as appropriate for the desired volume. Other components and other configurations may be used herein.
[0120] The bottle 100 described herein thus provides a package that is lightweight while maintaining stability and technical performance. Specifically, the flexible base structure 175 of the base section 140 flexes to maintain the overall shape of the bottle 100 under a vacuum. The bottle 100 thus may be maintained in cold storage for an extended period of time while avoiding deformation. Moreover, the overall bottle design makes the flexible base structure 175 as lightweight as possible. Specifically, the flexible base structure 175 uses less material thus allowing more material in the body section 130 and elsewhere.
[0121] It should be apparent that the foregoing relates only to certain embodiments of the present application and the resultant patent. Numerous changes and modifications may be made herein by one of ordinary skill in the art without departing from the general spirit and scope of the invention as defined by the following claims and the equivalents thereof.

Claims

CLAIMS We claim:
1. A bottle, comprising: a sidewall; and a base section; the base section comprises a plurality of ribs extending from a center dome to a flex surface about the sidewall to resist deformation in the sidewall.
2. The bottle of claim 1, wherein the center dome extends within the sidewall.
3. The bottle of claim 1, wherein the base section comprises a support ring positioned between the center dome and the flex surface.
4. The bottle of claim 3, wherein the center dome, the support ring, and the flex surface comprise a substantially flat “U” shape in cross-section.
5. The bottle of claim 1, wherein the plurality of ribs comprises plurality of fully extending ribs and a plurality of partially extending ribs.
6. The bottle of claim 5, wherein the central dome comprises a boss and wherein the plurality of fully extending ribs extends from adjacent to the boss, through the support ring, and through the flex surface.
7. The bottle of claim 5, wherein the central dome comprises a mid-section and wherein the plurality of partially extending ribs extends from the mid-section, through the support ring, and through the flex surface.
8. The bottle of claim 5, wherein each of the plurality of the fully extending ribs is positioned adjacent to a pair of the plurality of partially extending ribs.
9. The bottle of claim 5, further comprising about a twenty ounce volume, wherein the plurality of fully extending ribs comprises five fully extending ribs, and wherein the plurality of partially extending ribs comprises five partially extending ribs.
10. The bottle of claim 1, wherein the sidewall comprises a cylindrical shape.
11. The bottle of claim 1, further comprising a polyethylene terephthalate material.
12. The bottle of claim 1, further comprising about 20.5 grams of a polyethylene terephthalate material.
13. The bottle of claim 1, wherein the plurality of ribs flex in response to a negative internal bottle pressure to resist deformation in the sidewall.
14. The bottle of claim 1, further comprising a volume of water therein.
15. A polyethylene terephthalate bottle, comprising: a sidewall; and a flexible base structure; the flexible base structure comprises a plurality of ribs extending from a center dome, through a support ring, and into a flex surface about the sidewall to resist deformation in the sidewall.
16. The polyethylene terephthalate bottle of claim 15, wherein the center dome, the support ring, and the flex surface comprise a substantially flat “U” shape in cross- section.
17. The polyethylene terephthalate bottle of claim 15, wherein the plurality of ribs comprises plurality of fully extending ribs and a plurality of partially extending ribs.
18. The polyethylene terephthalate bottle of claim 17, wherein the central dome comprises a boss and wherein the plurality of fully extending ribs extends from adjacent to the boss, through the support ring, and through the flex surface.
19. The polyethylene terephthalate bottle of claim 17, wherein the central dome comprises a mid-section and wherein the plurality of partially extending ribs extends from the mid-section, through the support ring, and through the flex surface.
20. The polyethylene terephthalate bottle of claim 15, wherein the plurality of ribs flex in response to a negative internal bottle pressure to resist deformation in the sidewall.
EP22756727.8A 2021-02-18 2022-02-11 Bottle with a light weighted base Pending EP4294732A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163150674P 2021-02-18 2021-02-18
PCT/US2022/016078 WO2022177809A1 (en) 2021-02-18 2022-02-11 Bottle with a light weighted base

Publications (2)

Publication Number Publication Date
EP4294732A1 true EP4294732A1 (en) 2023-12-27
EP4294732A4 EP4294732A4 (en) 2025-01-08

Family

ID=82930968

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22756727.8A Pending EP4294732A4 (en) 2021-02-18 2022-02-11 Bottle with a light weighted base

Country Status (4)

Country Link
US (1) US20240059449A1 (en)
EP (1) EP4294732A4 (en)
AR (1) AR124920A1 (en)
WO (1) WO2022177809A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2932458B1 (en) * 2008-06-13 2010-08-20 Sidel Participations CONTAINER, IN PARTICULAR BOTTLE, IN THERMOPLASTIC MATERIAL EQUIPPED WITH A REINFORCED BACKGROUND
JP2013079096A (en) * 2011-10-04 2013-05-02 Daiwa Can Co Ltd Container made of synthetic resin
ITTV20120071A1 (en) * 2012-05-04 2013-11-05 Pet Engineering S R L BOTTLE OF POLYMERIC MATERIAL
FR3003848B1 (en) * 2013-04-02 2015-04-17 Sidel Participations CONTAINER HAVING A BACKGROUND PROVIDED WITH A DECOUCHEMENT VOUTE
JP2016199294A (en) * 2015-04-10 2016-12-01 東洋製罐株式会社 Plastic container
EP3538444B1 (en) * 2016-11-14 2024-04-03 Amcor Rigid Plastics USA, LLC Method of providing a filled container
MX2019012478A (en) * 2017-04-28 2019-12-02 Amcor Rigid Plastics Usa Llc Lightweight container base.

Also Published As

Publication number Publication date
US20240059449A1 (en) 2024-02-22
WO2022177809A1 (en) 2022-08-25
AR124920A1 (en) 2023-05-17
EP4294732A4 (en) 2025-01-08

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