WO2019171799A1 - Bouteille en plastique - Google Patents

Bouteille en plastique Download PDF

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Publication number
WO2019171799A1
WO2019171799A1 PCT/JP2019/001892 JP2019001892W WO2019171799A1 WO 2019171799 A1 WO2019171799 A1 WO 2019171799A1 JP 2019001892 W JP2019001892 W JP 2019001892W WO 2019171799 A1 WO2019171799 A1 WO 2019171799A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic bottle
recess
reduced pressure
concave portion
panel
Prior art date
Application number
PCT/JP2019/001892
Other languages
English (en)
Japanese (ja)
Inventor
吉良剛
小林俊也
松竹直斗
バゲットアリーシャ
Original Assignee
サントリーホールディングス株式会社
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 サントリーホールディングス株式会社 filed Critical サントリーホールディングス株式会社
Priority to CN201980011596.6A priority Critical patent/CN111886183A/zh
Priority to EP19764384.4A priority patent/EP3763627B1/fr
Priority to ES19764384T priority patent/ES2948262T3/es
Publication of WO2019171799A1 publication Critical patent/WO2019171799A1/fr

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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—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
    • B65D1/0276—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
    • 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
    • B65D1/40—Details of walls
    • B65D1/42—Reinforcing or strengthening parts or members
    • 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
    • B65D79/0084—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 sidewall or shoulder part thereof
    • 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/0009—Bottles or similar containers with necks or like restricted apertures designed for pouring contents
    • B65D2501/0018—Ribs

Definitions

  • the present invention relates to a plastic bottle having at least one reduced pressure absorption panel portion on the body portion and a body reference surface formed around the reduced pressure absorption panel portion.
  • so-called high-temperature filling in which a beverage in a heated state is filled may be performed.
  • the mouth portion is closed with a cap or the like, and the internal pressure is lowered as the beverage is cooled, which may cause a problem that the plastic bottle is depressed.
  • Patent Document 1 discloses a plastic bottle including a reduced pressure absorption wall formed by an inclined panel having an inclination with respect to the axis of the plastic bottle, and column walls alternately arranged with the reduced pressure absorption wall.
  • the plastic bottle has been successfully imparted with a vacuum absorbing function and at the same time imparted formability in blow molding and resistance to external impact force.
  • the decompression absorption part provided in the plastic bottle like patent document 1 is easy to raise
  • the plastic bottle according to the present invention is a plastic bottle provided with a reduced pressure absorption panel portion on the body portion, and a body reference surface formed around the reduced pressure absorption panel portion. It extends in the vertical direction of the body portion, and is provided in a shape twisted in the circumferential direction around the central axis of the plastic bottle, the reduced pressure absorption panel portion, the first recess, the second recess, And the first recess is recessed from the trunk reference surface toward the inside of the plastic bottle, and the second recess is in the center in the circumferential direction of the first recess.
  • the first concave portion is provided so as to be further depressed toward the inside of the plastic bottle, and the convex portions are formed at both ends in the vertical direction of the first concave portion over the entire circumferential width of the first concave portion. From the recess A curved surface that is convex toward the outside of the stick bottle is formed, and the vertical width of the convex portion is the smallest at both ends in the circumferential direction of the convex portion, and the circumferential direction of the convex portion is It is the largest in the central part.
  • the first concave portion and the second concave portion work together to exhibit a good vacuum absorption function, and the vacuum panel portion is provided with a twisted shape, thereby realizing high strength in the vertical direction. can do.
  • the reduced pressure absorption panel portion has a convex portion, the deformation of the first concave portion and the second concave portion can be suppressed, and it is difficult to cause sink marks at the time of molding. Can also be made difficult to deform.
  • the plastic bottle according to the present invention forms a ridge in a portion where two trunk reference surfaces extending from two adjacent vacuum absorption panel parts meet,
  • the distance from the central axis is preferably the maximum at the peak portion.
  • the first recess is preferably flat.
  • the reduced pressure absorption action by the first recess can be further enhanced.
  • FIG. 1 The front view of a plastic bottle.
  • III-III sectional view in FIG. IV-IV sectional drawing in FIG. The front enlarged view of the trunk
  • VI-VI sectional drawing in FIG. VII-VII sectional view in FIG. The bottom view of the bottom part of a plastic bottle.
  • the plastic bottle 100 includes a mouth portion 1 as a liquid spout, a shoulder portion 2 that is continuous with the mouth portion 1 and gradually increases in diameter toward the bottom surface, and a shoulder.
  • the cylindrical body part 3 is continuous with the part 2, and the bottom part 4 is the bottom of the plastic bottle 100.
  • the “depth” of each structure provided on the surface of the plastic bottle 100 is defined as a depth that penetrates from the surface of the plastic bottle 100 to the inside.
  • the plastic bottle 100 can be integrally molded by a stretch molding method such as biaxial stretch blow molding using a thermoplastic resin such as polyethylene, polypropylene, polyethylene terephthalate as a main material.
  • the capacity of the plastic bottle 100 is not particularly limited, and can be about 200 mL to 2 L, such as 280 mL, 350 mL, and 500 mL that are generally distributed.
  • the liquid with which the plastic bottle 100 is filled is not particularly limited.
  • beverages such as drinking water, tea, fruit juice, coffee, cocoa, soft drinks, alcoholic beverages, milk beverages, soups, and liquids such as sauces and soy sauces. Seasonings and the like.
  • a concave main circumferential rib 31 is provided in the upper region 3 a of the body portion 3.
  • concave sub-circular ribs 32 are provided in the upper region 3 a and the lower region 3 c of the trunk portion 3.
  • the main peripheral rib 31 is formed so that the depth and the width in the vertical direction are larger than the sub peripheral rib 32.
  • the main circumferential rib 31 has a wavy horizontal cross-sectional shape whose depth continuously changes along the circumferential direction of the plastic bottle 100, and the depth has a maximum value of 4.5 mm.
  • the minimum value is 3.5 mm.
  • the main circumferential rib 31 has seven points 31a at which the depth takes the maximum value and seven points 31b at which the depth takes the minimum value.
  • This is a wave-like shape in which the points 31a taking the maximum value and the points 31b taking the minimum value are alternately and smoothly connected. That is, the horizontal cross-sectional shape is convex toward the outside of the plastic bottle around the point 31a where the depth takes the maximum value, and toward the inside of the plastic bottle around the point 31b where the depth takes the minimum value. It is a closed curve that is convex and has an inflection point between a point 31a having a maximum depth and a point 31b having a minimum depth.
  • the vertical width of the main circumferential rib 31 is 8.0 mm at a point 31a where the depth takes a maximum value, and 7.2 mm at a point 31b where the depth takes a minimum value.
  • a plurality of sub-circular ribs 32 may be provided.
  • three sub-circular ribs 32 are provided in the upper region 3a and two in the lower region 3c.
  • the secondary circumferential rib 32 has a circular horizontal cross-sectional shape, a depth of 1.5 mm, and a vertical width of 4.9 mm.
  • the horizontal cross-sectional shape of the plastic bottle 100 may be deformed into an ellipse.
  • the plastic bottle 100 according to the present embodiment realizes a structure in which the load is less likely to be concentrated due to the main circumferential rib 31 having a wavy horizontal cross-sectional shape, so that the plastic bottle 100 is not easily deformed.
  • the plastic bottle 100 when a vertical load is applied to the plastic bottle 100, the plastic bottle can be deformed in the vertical direction.
  • the plastic bottle 100 according to the present embodiment includes the main peripheral rib 31 and the sub peripheral rib 32 having different depths and widths, so that these ribs work together in a spring shape, and load in the vertical direction. Since the mitigating action is expressed, the plastic bottle 100 is hardly deformed.
  • a plurality of (six in this embodiment) panels 33 are formed in the middle region 3b of the body portion 3 along the circumferential direction of the middle region 3b. ing. As shown in FIG. 5, the panel 33 has a shape extending in the vertical direction of the middle region 3 b and is twisted in the circumferential direction around the central axis of the plastic bottle 100. In addition, a trunk reference surface 34 is formed around the panel 33.
  • the panel 33 includes a panel first recess 33a (an example of the first recess), a panel second recess 33b (an example of the second recess), and a panel protrusion 33c (an example of the protrusion). ).
  • the panel first concave portion 33 a has a planar shape and is provided so as to be recessed from the trunk reference surface 34 toward the inside of the plastic bottle 100.
  • the panel 2nd recessed part 33b is provided in the center of the circumferential direction of the panel 1st recessed part 33a so that it may sink further toward the inner side of the plastic bottle 100 from the panel 1st recessed part 33a.
  • the panel convex portion 33c is a curved surface in which both ends in the vertical direction of the panel first concave portion 33a are convex from the panel first concave portion 33a toward the outside of the plastic bottle 100 over the entire circumferential width of the panel first concave portion 33a. It is formed as.
  • the vertical width of the panel convex portion 33c is the smallest at both ends in the circumferential direction of the panel convex portion 33c, and is the largest at the central portion in the circumferential direction of the panel convex portion 33c.
  • a ridge 34a is formed at a portion where two trunk reference surfaces 34 extending from the two panel first recesses 33a meet. The distance from the central axis of the plastic bottle 100 to the trunk reference surface 34 is maximum at the ridge portion 34a.
  • the plastic bottle 100 realizes reinforcement of the panel 33 by having the panel convex portion 33c. Therefore, problems due to deformation such as deformation to the outside in the radial direction that occurs when pressurizing to fill a bottle with a beverage, and depressions (so-called sink marks) that occur due to shrinkage when the bottle is molded are less likely to occur.
  • the bottom portion 4 includes a grounding portion 41 that is grounded to an installation surface such as a desk, and an inner side of the plastic bottle 100 (in FIG. And a dome portion 42 that protrudes upward).
  • a dome center portion 421 that protrudes further into the plastic bottle 100 than the dome portion 42 is provided at the center portion of the dome portion 42, and a plurality of bottom recesses 422 are provided around the dome center portion 421.
  • the bottom recess 422 has a concave hexagonal shape (so-called bow tie) having four convex vertices 422a having an inner angle of 70 ° and two concave vertices 422b having an inner angle of 220 ° in plan view. Shape).
  • the two vertices adjacent to the convex vertex 422a are the convex vertex 422a and the concave vertex 422b
  • the two vertices adjacent to the concave vertex 422b are the two convex vertices 422a.
  • Each side of the concave hexagon is 3 mm
  • the length of the diagonal line having the maximum length among the diagonal lines of the concave hexagon is 6 mm.
  • the depth of the bottom recess 422 is 1.2 mm.
  • the bottom recess 422 forms a bottom recess row 423 in which a plurality of bottom recesses 422 are arranged in a row.
  • a plurality of bottom recesses 422 along an extension of the center line C L connecting the center point to each other of the two sides to be sandwiched between two convex vertices 422a central axis C A, the center axis C A Are arranged adjacent to each other so as to match.
  • a plurality of bottom recesses columns 423, respective central axes C A are arranged side by side in parallel with each other.
  • two of the bottom concave portion rows 423a adjacent to each other, 423b is the central axis C A are arranged offset from one another along the length of the width of the offset center line C L of (5.2 mm) half Is 2.6 mm.
  • offset refers to the two concave portions of the bottom concave portion 422 belonging to the other bottom concave portion row 423b adjacent to each other.
  • the term "width of the offset" is the distance of the straight line with each other Represent.
  • the three bottom concave portions 422 adjacent to each other are arranged in a manner in which two convex vertices 422a and one concave vertex 422b are brought close to each other.
  • the adjacent convex vertices 422a of the two adjacent bottom concave portions 422 belonging to the bottom concave portion row 423a are arranged on the outside in a plan view of the concave vertex 422b of the bottom concave portion 422 belonging to the bottom concave portion row 423b. It arrange
  • Such a fitting structure is formed in all places where the three bottom recesses 422 are adjacent.
  • the plastic bottle 100 When a conventional plastic bottle is pressurized to fill a bottle with a beverage, the bottle may be deformed in such a manner that its bottom is pushed downward by internal pressure.
  • the plastic bottle 100 according to the present embodiment has a structure in which the bottom recesses 422 are fitted into each other as described above, so that the movement in the direction along the bottom surface of the bottom recess 422 is restricted, and as a result, deformation of the bottom 4 is prevented. .
  • the plastic bottle 100 obtains a resistance to a load that can cause deformation, and the entire plastic bottle 100 is hardly deformed.
  • the plastic bottle according to the present invention may include a plurality of peripheral ribs.
  • one main peripheral rib as in the above embodiment, and at least one sub peripheral rib in addition to the main peripheral rib. It is preferable to have at least five auxiliary peripheral ribs in addition to the main peripheral rib.
  • the configuration in which the main circumferential rib 31 has seven points 31a at which the depth takes the maximum value and seven points 31b at which the depth takes the minimum value has been described as an example.
  • the number of points where the depth of the main circumferential rib takes the maximum value and the point where the depth of the main circumferential rib takes the minimum value may be any number as long as they are the same number and a plurality.
  • the configuration in which the maximum value of the depth of the main peripheral rib 31 is 4.5 mm and the minimum value is 3.5 mm has been described as an example.
  • the maximum value of the depth of the peripheral rib may be 4.0 to 5.5 mm, and the minimum value may be 0.5 to 1.5 mm smaller than the maximum value.
  • the maximum depth of the circumferential rib is preferably 4.1 to 5.2 mm, and more preferably 4.2 to 5.0 mm.
  • the minimum value of the depth of the peripheral rib is preferably 0.6 to 1.4 mm smaller than the maximum value, and more preferably 0.7 to 1.3 mm smaller.
  • the width of the main circumferential rib 31 in the vertical direction is 8.0 mm at the point 31a where the depth takes the maximum value, and 7.2 mm at the point 31b where the depth takes the minimum value. Described as an example.
  • the width of the peripheral rib in the vertical direction may be 6 to 9 mm without being limited to such a configuration.
  • the vertical width of the circumferential rib is preferably 6.2 to 8.8 mm, and more preferably 6.5 to 8.5 mm.
  • the configuration in which the ridge-shaped portion 34a is formed at the portion where the two trunk reference surfaces 34 extending from the two panel first concave portions 33a meet is described as an example.
  • a planar connection portion may be provided in a region where two trunk reference surfaces meet.
  • the configuration in which the panel first concave portion 33a has a planar shape has been described as an example.
  • the first recess may have a rib for absorbing reduced pressure.
  • the configuration in which the inner angle of the convex vertex 422a is 70 ° and the inner angle of the concave vertex 422b is 220 ° has been described as an example.
  • the internal angle of the convex vertex may be more than 60 ° and 80 ° or less.
  • the internal angle of the convex vertex is preferably 63 ° or more and 87 ° or less, and more preferably 65 ° or more and 75 ° or less.
  • the length of the diagonal line having the maximum length among the concave hexagonal diagonal lines is 6 mm
  • the length of the diagonal line may be 3 to 8 mm.
  • the length of the diagonal is preferably 4 to 7 mm, and more preferably 5 to 7 mm.
  • the depth of the bottom recess 422 is 1.2 mm has been described as an example.
  • the depth of the bottom concave portion may be 0.6 to 2.4 mm without being limited to such a configuration.
  • the depth of the bottom recess is preferably 0.5 to 2.5 mm, and more preferably 0.7 to 2.3 mm.
  • the two bottom concave portion rows 423a adjacent to each other, a 2.6mm offset width 423b, which is a half of the length (5.2 mm) configuration of the center line C L has been described as an example.
  • the width of the offset may be 40 to 60% of the length of the center line without being limited to such a configuration.
  • the offset width is preferably 45 to 55% of the length of the center line, more preferably 48 to 52%, and particularly preferably 50%.
  • the present invention can be used, for example, in a soft drink container.

Abstract

L'invention concerne une bouteille en plastique présentant une section de panneau d'absorption de pression réduite (33) et une surface de référence de partie tronc (34) dans une partie tronc. La bouteille en plastique est caractérisée en ce que la section de panneau d'absorption de pression réduite (33) s'étend dans la direction verticale de la partie tronc et est formée de façon à être torsadée autour de l'axe central de la bouteille dans la direction circonférentielle, qu'une première section évidée (33a) est enfoncée à partir de la surface de référence de partie tronc (34) vers l'intérieur de la bouteille, qu'une seconde section évidée (33b) est disposée sur le centre circonférentiel de la première section évidée (33a) de façon à être davantage enfoncée à partir de la première section évidée (33a), que des sections saillantes (33c) sont formées au niveau des deux parties d'extrémité dans la direction verticale de la première section évidée (33a) et présentent chacune une surface incurvée faisant saillie vers l'extérieur à partir de la première section évidée (33a), et que la largeur dans la direction verticale de chacune des sections saillantes (33c) est la plus petite au niveau des deux parties d'extrémité dans la direction circonférentielle et la plus grande dans la partie centrale.
PCT/JP2019/001892 2018-03-05 2019-01-22 Bouteille en plastique WO2019171799A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201980011596.6A CN111886183A (zh) 2018-03-05 2019-01-22 塑料瓶
EP19764384.4A EP3763627B1 (fr) 2018-03-05 2019-01-22 Bouteille en plastique
ES19764384T ES2948262T3 (es) 2018-03-05 2019-01-22 Botella de plástico

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018038929A JP7296697B2 (ja) 2018-03-05 2018-03-05 プラスチックボトル
JP2018-038929 2018-03-05

Publications (1)

Publication Number Publication Date
WO2019171799A1 true WO2019171799A1 (fr) 2019-09-12

Family

ID=67847067

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/001892 WO2019171799A1 (fr) 2018-03-05 2019-01-22 Bouteille en plastique

Country Status (5)

Country Link
EP (1) EP3763627B1 (fr)
JP (1) JP7296697B2 (fr)
CN (1) CN111886183A (fr)
ES (1) ES2948262T3 (fr)
WO (1) WO2019171799A1 (fr)

Citations (5)

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JP2013095428A (ja) 2011-10-28 2013-05-20 Yoshino Kogyosho Co Ltd 合成樹脂製ブローボトル
JP2016011156A (ja) * 2014-06-30 2016-01-21 株式会社吉野工業所 ボトル
JP2016210436A (ja) * 2015-04-30 2016-12-15 株式会社吉野工業所 合成樹脂製容器
JP2017119543A (ja) * 2015-12-25 2017-07-06 株式会社吉野工業所 合成樹脂製容器

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JP4683278B2 (ja) * 2005-05-31 2011-05-18 株式会社吉野工業所 合成樹脂製壜体
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JP5062548B2 (ja) * 2006-03-31 2012-10-31 株式会社吉野工業所 合成樹脂製丸型ボトル
US7699183B2 (en) * 2007-04-09 2010-04-20 The Coca-Cola Company Square bottle manufactured from synthetic resin
JP5250327B2 (ja) * 2008-07-25 2013-07-31 日精エー・エス・ビー機械株式会社 二軸延伸ブロー成形容器
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JP5472581B2 (ja) * 2009-04-10 2014-04-16 東洋製罐株式会社 減圧吸収パネルを備えた包装用容器
WO2011007734A1 (fr) * 2009-07-13 2011-01-20 大日本印刷株式会社 Bouteille en matière plastique
JP5408501B2 (ja) * 2010-08-31 2014-02-05 株式会社吉野工業所 合成樹脂製壜体
CN103118950B (zh) * 2010-09-01 2015-01-14 大日本印刷株式会社 塑料瓶
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Publication number Priority date Publication date Assignee Title
JP2007314216A (ja) * 2006-05-26 2007-12-06 Yoshino Kogyosho Co Ltd 合成樹脂製丸型ボトル
JP2013095428A (ja) 2011-10-28 2013-05-20 Yoshino Kogyosho Co Ltd 合成樹脂製ブローボトル
JP2016011156A (ja) * 2014-06-30 2016-01-21 株式会社吉野工業所 ボトル
JP2016210436A (ja) * 2015-04-30 2016-12-15 株式会社吉野工業所 合成樹脂製容器
JP2017119543A (ja) * 2015-12-25 2017-07-06 株式会社吉野工業所 合成樹脂製容器

Also Published As

Publication number Publication date
EP3763627A4 (fr) 2021-12-01
EP3763627B1 (fr) 2023-06-14
EP3763627A1 (fr) 2021-01-13
ES2948262T3 (es) 2023-09-07
JP2019151389A (ja) 2019-09-12
CN111886183A (zh) 2020-11-03
JP7296697B2 (ja) 2023-06-23

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