EP3560852B1 - Aus harz hergestellter behälter - Google Patents

Aus harz hergestellter behälter Download PDF

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Publication number
EP3560852B1
EP3560852B1 EP17886228.0A EP17886228A EP3560852B1 EP 3560852 B1 EP3560852 B1 EP 3560852B1 EP 17886228 A EP17886228 A EP 17886228A EP 3560852 B1 EP3560852 B1 EP 3560852B1
Authority
EP
European Patent Office
Prior art keywords
resin made
made container
rib
body portion
receded
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.)
Active
Application number
EP17886228.0A
Other languages
English (en)
French (fr)
Other versions
EP3560852A1 (de
EP3560852A4 (de
Inventor
Go Kira
Toshiya Kobayashi
Kenji Tsumori
Dai SAWADA
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.)
Suntory Holdings Ltd
Original Assignee
Suntory Holdings Ltd
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
Priority claimed from JP2016251684A external-priority patent/JP2018104026A/ja
Priority claimed from JP2016251683A external-priority patent/JP2018104025A/ja
Application filed by Suntory Holdings Ltd filed Critical Suntory Holdings Ltd
Publication of EP3560852A1 publication Critical patent/EP3560852A1/de
Publication of EP3560852A4 publication Critical patent/EP3560852A4/de
Application granted granted Critical
Publication of EP3560852B1 publication Critical patent/EP3560852B1/de
Active 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—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
    • 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
    • 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
    • B65D1/0207—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
    • 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
    • B65D1/44—Corrugations
    • 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
    • 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
    • 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
    • B65D2501/0027—Hollow longitudinal ribs
    • 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
    • B65D2501/0036—Hollow circonferential ribs

Definitions

  • This invention relates to a resin made container including a spout portion acting as an outlet for contents, a shoulder portion continuous with the spout portion, a body portion continuous with the shoulder portion and a bottom portion continuous with the body portion and closing a lower end of the body portion.
  • Resin made containers made of thermoplastic resin such as polyethylene, polypropylene, polyethylene terephthalate, etc., as its principal material, are light-weighted and easy to handle and have good storage stability for its contents and they are also cost effective. Thus, they are being used in variety of applications, such as for beverages, food products, cosmetics, etc.
  • a resin made container disclosed in Patent Document 2 includes a neck portion, a tubular lower body portion connected with the neck portion via an upper body portion having a frustum shape or a rotary body-like shape, and a bottom portion connected to the lower end of the lower body portion. Between the lower body portion and the upper body portion, there are formed recessed ribs for providing buffering action at the time of heating and cooling.
  • Patent Document 3 discloses a resin container in which a plurality of inclined panels for pressure reduction absorption are provided in a circumferential direction on a body portion.
  • the container is designed to enhance the longitudinal compressive strength without impairing the reduced pressure absorbing function.
  • an object of the present invention is to provide a resin made container with improved buckling resistance.
  • a further object of the present invention is to provide a resin made container with improved flexibility that can suppress occurrence of dent or warping even when an excessive stress is applied to the resin made container.
  • a resin made container according to claim 1 is provided.
  • the body portion includes a plurality of approximately quadrangular shaped panel portions each having an upper side and a lower side thereof displaced. So, the panel portion can be square-shaped.
  • a portion where local stress concentration would occur will be less likely to be present.
  • the resin made container of the present invention is a resin made container with improved buckling resistance.
  • the body portion is provided with a twisted shape with the lower side of the panel portion being twisted with its rotation about a center axis of the resin made container relative to the upper side of the same, significant deformation of the resin made container can be avoided even when depressurization occurs within the resin made container.
  • the respective panel portion has a parallelogram shape and widths of the respective panel portions are made equal.
  • the chevron-shaped rib has an angle ranging from 90 to 160 degrees.
  • the strength of the chevron-shaped rib can be set appropriately. Accordingly, deformation of the resin made container will occur less likely even when an excessive stress is applied to the resin made container, as described above.
  • the chevron-shaped rib has a sloped face which extends with a uniform width from the upper side to the lower side of the resin made container.
  • the panel portion includes, in at least one of its upper and lower parts, an annular receded rib which is receded to the inner side of the resin made container and which extends in a circumferential direction of the resin made container.
  • the strength of the circumferential edge of the body portion having the panel portions can be improved. Accordingly, buckling of the resin made container will occur less likely even when an excessive stress is applied to the resin made container, as described above.
  • a resin made container including: a spout portion acting as an outlet for contents; a shoulder portion continuous with the spout portion; a body portion continuous with the shoulder portion; and a bottom portion continuous with the body portion and closing a lower end of the body portion.
  • the receded rib includes a plurality of protruding ribs protruding in a direction intersecting the extending direction of the receded rib, the flexibility of the resin made container around those portions where the plurality of protruding ribs are provided can be improved. Namely, if an excessive stress is applied to the resin made container at its upper portion (the portion where the plurality of protruding ribs are provided) e.g. during its conveyance via a conveyor or the like or when a plurality of such resin made containers are stacked as being laid sideways, thus leading to occurrence of a dent or warp at the portion of the stress concentration, with improved property to return to its original shape, such occurred dent or warp will be resolved easily.
  • the container includes from eight to twelve of the protruding ribs.
  • the protruding ribs can be disposed over the circumferential face of the receded rib with an appropriate spacing that can maintain the flexibility of the resin made container.
  • the occupancy of the protruding ribs in the receded rib ranges from 30 to 60%.
  • the protruding ribs can be disposed over the circumferential face of the receded rib with an appropriate spacing that can maintain the flexibility of the resin made container.
  • the bottom of the receded rib has a width of less than or equal to 15 mm.
  • the bottom of the receded rib can be provided with an appropriate width that can maintain the flexibility of the resin made container.
  • the amount of recession of the protruding ribs from the surface of the resin made container ranges from 0.3 to 3 mm.
  • the amount of recession of the protruding ribs from the surface of the resin made container can be such an amount of recession that can maintain the flexibility of the resin made container.
  • the receded rib and the protruding ribs are provided in either upper half of the resin made container.
  • annular bottom face side receded ribs that are receded to the inner side of the resin made container and that extend in the circumferential direction of the resin made container.
  • an inventive resin made container X includes a spout portion 10 acting as an outlet for contents, a shoulder portion 20 continuous with the spout portion 10, a body portion 30 continuous with the shoulder portion 20 and a bottom portion 40 continuous with the body portion 30 and closing a lower end of the body portion 30.
  • the body portion 30 includes a plurality of approximately quadrangular shaped panel portions 31 each having an upper side 31a and a lower side 31b thereof displaced; and between adjacent panel portions 31, a chevron-shaped rib 32 is provided.
  • the resin made container X can be made of thermoplastic resin such as polyethylene, polypropylene, polyethylene terephthalate, etc. as its principal material, via a conventional molding method such as the biaxial stretching blow molding technique.
  • the content (liquid) to be filled in the resin made container X is not particularly limited.
  • drinks such as beverage, tea, juice, coffee, cocoa, soft drink, alcoholic drink, milk-based drink, soup, liquid seasoning such as sauce, soy sauce, etc. can be cited.
  • the content volume of the resin made container X is also not particularly limited. Depending on the kind of content to be filled therein, it can be appropriately set from a relatively small volume in the order of a few hundreds of milliliters, to a relatively large volume in the order to a few liters.
  • the resin made container X When the resin made container X is used as a beverage bottle, its content volume should preferably range from 320 to 550 mL, but it is not limited to such range. In the instant embodiment, there will be explained an example in which the content volume is set to 455 mL. In this case, a height from the spout portion 10 to the bottom portion 40 is set to about 211 mm and the maximum diameter of the body portion 30 is set to about 64 mm. However, the sizes are not limited thereto.
  • the spout portion 10 is a part which is formed of a cylinder having an opened upper end and serves as an outlet for the content.
  • male threads are formed in the outer circumferential face of the spout portion 10. So that, an unillustrated cap may be adapted to be detachably fixedly threaded thereto, thus allowing repeated sealing and opening.
  • the shoulder portion 20 is a part which is provided with an approximately conical shape whose diameter progressively increases from its upper end to the lower side thereof.
  • the vertical cross sectional shape of the shoulder portion 20 may be a gentle arc which is formed convex to the outer side of the container.
  • the shape is not limited thereto.
  • the body portion 30 is a part having an approximately cylindrical shape connected to the lower end of the shoulder portion 20.
  • the body portion 30 includes a connecting portion 30A between the shoulder portion 20 and the body portion 30, as an upper portion of the body portion 30, an intermediate portion 30B as the intermediate portion of the body portion 30, and a connecting portion 30C between the body portion 30 the bottom portion 40, as an lower portion of the body portion 30.
  • annular two groove portions 51, 52 which are receded to the inner side of the resin made container X and which extend in the circumferential direction of the resin made container X.
  • the number of such groove portions is not limited to two, but can be one or three or more.
  • annular protruding rib 61 which protrudes to the outer side of the resin made container X and which extends in the circumferential direction of the resin made container X.
  • this connecting portion 30A there is also provided an annular receded rib 53 receded to the inner side of the resin made container X and extending in the circumferential direction of the resin made container X.
  • this receded rib 53 there are provided a plurality of protruding ribs 54 which protrude in the direction intersecting the extending direction of the receded rib 53, with the protruding ribs 54 being receded from a surface 1 of the resin made container X ( Figs. 3-5 ).
  • annular protruding rib 62 which protrudes to the outer side of the resin made container X and which extends in the circumferential direction of the resin made container X.
  • the receded rib 53 is configured such that the rib is receded by an amount of from 2 to 5 mm to the inner side of the resin made container X and the width of the rib progressively increases toward the outer side of the resin made container X ( Fig. 5 ).
  • the receded rib 53 has an opening angle of 90 degrees.
  • the protruding rib 54 has an angular shape having a rib outer face 54a as a face facing the outer side of the resin made container X.
  • the rib is not limited thereto, but the rib can have a roundish shape not having such rib outer face 54a.
  • the width of the portion of the protruding rib 54 which portion comes into contact with the receded rib 53 can be set to 9 mm approximately. However, the width is not limited thereto.
  • the receded rib 53 is provided with the plurality of protruding ribs 54 protruding in the direction intersecting the extending direction of the receded rib 53, the flexibility of the resin made container X around its portion where the protruding ribs 54 are provided is improved. More particularly, in the course of conveyance via a conveyer or the like or when the resin made containers X are stacked sideways, if an excessive stress occurs to the upper portion of the resin made container X (the portion where the plurality of protruding ribs 54 are provided), thus leading to occurrence of a dent or warp at such portion exposed to excessive stress application, thanks to improved property of returning to its original shape, such occurred dent or warp can be resolved easily.
  • the protruding rib 54 is configured to be receded from the surface of the resin made container X, even if the resin made containers come into contact with each other during e.g. conveyance via a conveyer or the like, since no contact will occur between the protruding ribs 54 and the protruding ribs 54 of other resin made container X, damage to the protruding ribs 54 or damage to other resin made container X can be avoided.
  • the number of the protruding ribs 54 is not particularly limited. Advantageously, however, from 8 to 12 of them can be provided preferably equidistantly. There will be explained a case not forming part of the invention, in which ten such protruding ribs 54 are provided.
  • the protruding ribs 54 can be disposed over the circumferential face of the receded rib 53 at an appropriate spacing that allows to maintain the flexibility of the resin made container X.
  • an arrangement can be made such that the occupancy of the protruding ribs 54 in the receded rib 53 will range from 30 to 60%. For instance, if there are provided ten protruding ribs 54, their occupancy amounts to 36 %.
  • the protruding ribs 54 can be disposed over the circumferential face of the receded rib 53 with an appropriate ratio that allows maintaining of the flexibility of the resin made container X.
  • the width W of the bottom of the receded rib 53 should range equal to or smaller than 15 mm, preferably equal to or smaller than 10 mm, more preferably equal to or smaller than 5 mm.
  • This width W of the bottom is the width in the same direction as the axis (center axis A) direction of the resin made container X. There be explained a case not forming part of the invention, in which the bottom width W is set to 3.5 mm.
  • the bottom width W of the receded rib 53 can be set as a width appropriate for allowing maintaining the flexibility of the resin made container X.
  • the protruding rib 54 can be configured such that the amount of its recession from the surface of the resin made container X will range from 0.3 to 3 mm.
  • the amount of recession of the protruding rib 54 can be set to be appropriate for maintaining the flexibility of the resin made container X.
  • the receded rib 53 and the protruding rib 54 are provided in either upper half of the resin made container X (the connecting portion 30A between the shoulder portion 20 and the body portion 30, which is upwardly of the body portion 30).
  • the intermediate portion 30B intermediately of the body portion 30 there are provided a plurality of approximately quadrangular shaped panel portions 31 each having an upper side 31a and a lower side 31b thereof displaced.
  • the arrangement is not limited thereto.
  • the intermediate portion 30B of the body portion 30 can be formed approximately tubular (having an approximately hexagonal cross section) ( Fig. 6 ). In this, between the adjacent panel portions 31, a chevron-shaped rib 32 is formed.
  • the intermediate portion 30B of this approximately tubular body portion 30 presents a twisted shape with the lower side 31b of the panel portion 31 being rotated about the center axis A of the resin made container X relative to the upper side 31a of the same. Therefore, this body portion 30 has its diameter progressively decreased from the upper side 31a of the panel portion 31 to the lower side, with the diameter being smallest at the midway of the panel portion 31 and then progressively increased from the intermediate portion of the panel portion 31 toward the lower side 31b of the panel portion 31.
  • the angle is not limited thereto.
  • Such intermediate portion 30B of the body portion 30 can function as a "vacuum absorbing portion". Namely, after filling of contents at a high temperature, the spout portion 10 will be closed by a cap. Then, in association with subsequent gradual cooling of the content, pressure drop will be caused inside the resin made container X, which then will invite risk of significant deformation of the resin made container X.
  • pressure drop by providing the plurality of panel portions 31 in the intermediate portion 30B of the body portion 30, such pressure drop (depressurization) inside the resin made container X will be absorbed through deformation of the plurality of panel portions 31, thus preventing occurrence of significant deformation of the resin made container X as a whole.
  • each one of the plurality of panel portions 31 will be deformed to the radial inner side and in addition, the chevron-shaped rib 32 will be twistedly deformed with increasing of its slope angle, whereby relative to the upper side 31a of the panel portion 31, the lower side 31b of the same can be twisted in the form of relative rotation about the center axis A of the resin made container X. Then, with such twisting of the intermediate portion 30B (vacuum absorbing portion) of the body portion 30, there will occur corresponding reduction in the content volume of the resin made container X.
  • the body portion 30 is provided with the plurality of approximately quadrangular shaped panel portions 31 with the upper sides 31a and the lower sides 31b thereof being displaced.
  • the panel portions 31 can be provided with square shape. Therefore, compared with the conventional resin made container with the upper side and the lower side thereof having different shapes, a portion exposed to stress concentration will be formed less likely.
  • buckling of the resin made container X will occur less likely. Therefore, this resin made container X will be provided as a resin made container with improved buckling resistance.
  • the amount of thermoplastic resin used in one container is reduced (e.g. from 20g to 18g) in order to realize weight reduction of the resin made container X, with the above-described arrangement, thanks to the improvement of the buckling resistance, the possibility of buckling will be smaller.
  • the body portion 30 can be configured to present a twisted shape twisted with the relative rotation of a lower side 31b of the panel portion 31 relative to its upper side 31a about the center axis A of the resin made container X, even if depressurization occurs inside the resin made container X, significant deformation of the resin made container X can be avoided.
  • the respective panel portion 31 has a parallelogram shape and widths of the respective panel portions 31 are made equal.
  • each chevron-shaped rib 32 formed between the respective adjacent panel portions 31 can be disposed equidistantly, a part where stress concentration would occur in each chevron-shaped rib 32 will be less likely provided. Accordingly, buckling of the resin made container X will occur less likely even when an excessive stress is applied to the resin made container, as described above.
  • the strength of the chevron-shaped rib 32 can be set appropriately. Accordingly, buckling of the resin made container X will occur less likely even when an excessive stress is applied to the resin made container, as described above.
  • the chevron-shaped rib 32 has a sloped face 32a which extends with a uniform width from the upper side to the lower side of the resin made container X.
  • the widths of two sloped faces 32a included in the chevron-shaped rib 32 are set equal to each other.
  • the section of the chevron-shaped rib 32 has a shape of isosceles triangle.
  • the panel portion 31 can include, in at least one of its upper and lower parts, an annular receded rib 55 which is receded to the inner side of the resin made container X and which extends in a circumferential direction of the resin made container X.
  • annular receded rib 55 which is receded to the inner side of the resin made container X and which extends in a circumferential direction of the resin made container X.
  • the strength of the circumferential edge of the body portion having the panel portions 31 can be improved. Accordingly, buckling of the resin made container X will occur less likely even when an excessive stress is applied to the resin made container, as described above.
  • the top load is improved if the resin made container X is configured such that a plurality of approximately quadrangular shaped panel portions 31 each having an upper side 31a and the lower side 31b thereof displaced and between adjacent panel portions 31, a chevron-shaped rib 32 is provided, as provide in the instant embodiment.
  • annular bottom face side receded ribs 56, 57 that are receded to the inner side of the resin made container X and that extend in the circumferential direction of the resin made container X.
  • the two bottom face side receded ribs 56, 57 are configured such that the rib width thereof increases progressively to the outer side of the resin made container X ( Fig. 7 ).
  • the bottom face side receded rib 56 has an opening angle of 60 degrees
  • the bottom face side receded rib 57 has an opening angle of 80 degrees.
  • the arrangement is not limited thereto.
  • annular protruding rib 63 which protrudes to the outer side of the resin made container X and which extends in the circumferential direction of the resin made container X.
  • an appropriate depth of the ribs thereof is about 2.8 mm. In this case, the side load is improved.
  • the depth of the rib is not limited to such value.
  • the bottom portion 40 continuous with the body portion 30 and closing the lower end of the body portion 30 is provided with a receded portion 41 which is receded to the inner side of the resin made container X and a bottom face 42 which will come into contact with a flat face or the like when the resin made container X is placed erect on such flat face.
  • the bottom face 42 presents a ring shape as seen in a plan view and will be disposed in the outer circumference of the receded portion 41.
  • This invention is applicable to a resin made container including a spout portion acting as an outlet for contents, a shoulder portion continuous with the spout portion, a body portion continuous with the shoulder portion and a bottom portion continuous with the body portion and closing a lower end of the body portion.

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  • 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)

Claims (3)

  1. Aus Harz hergestellter Behälter (X), mit:
    einem Ausgussabschnitt (10), der als ein Auslass für einen Inhalt dient;
    einem mit dem Ausgussabschnitt zusammenhängend ausgebildeten Schulterabschnitt (20);
    einem mit dem Schulterabschnitt zusammenhängend ausgebildeten Körperabschnitt (30); und
    einem mit dem Körperabschnitt zusammenhängend ausgebildeten Bodenabschnitt (40), der ein unteres Ende des Körperabschnitts verschließt,
    dadurch gekennzeichnet, dass
    der Körperabschnitt in einem Zwischenabschnitt (30B) des Körperabschnitts eine Vielzahl von annähernd viereckig geformten Plattenabschnitten (31) aufweist, die jeweils eine Oberseite (31a) und eine Unterseite (31b) aufweisen, die derart versetzt sind, dass die Unterseite sich in einem Zustand befindet, in dem sie um eine Mittelachse (A) des aus Harz hergestellten Behälters relativ zur Oberseite gedreht ist, wodurch der Zwischenabschnitt eine verdrehte Form erhält, deren Durchmesser von der Oberseite (31a) der Plattenabschnitte (31) zur Unterseite (3 1b) hin allmählich abnimmt, wobei der Durchmesser in der Mitte der Plattenabschnitte (31) am kleinsten ist und dann vom Zwischenabschnitt der Plattenabschnitte (31) in Richtung zur Unterseite (31b) der Plattenabschnitte (31) allmählich zunimmt,
    wobei die jeweiligen Plattenabschnitte (31) eine Parallelogrammform haben und die Breiten der jeweiligen Plattenabschnitte gleich sind, und
    dadurch gekennzeichnet, dass
    zwischen benachbarten Plattenabschnitten eine sparrenförmige Rippe (32) vorgesehen ist, wobei
    die sparrenförmige Rippe einen Winkel (b) im Bereich von 90 bis 160 Grad an einer Innenseite des aus Harz hergestellten Behälters aufweist; und
    dadurch, dass der Zwischenabschnitt einen annähernd sechseckigen Querschnitt entlang einer Ebene orthogonal zur Mittelachse aufweist.
  2. Aus Harz hergestellter Behälter nach Anspruch 1, wobei die sparrenförmige Rippe (32) eine geneigte Fläche aufweist, die sich mit einer gleichmäßigen Breite von der Oberseite zur Unterseite des aus Harz hergestellten Behälters (X) erstreckt.
  3. Aus Harz hergestellter Behälter nach Anspruch 1 oder 2,
    wobei der Plattenabschnitt (31) in seinem oberen und/oder unteren Teil eine ringförmige zurückgesetzte Rippe (53) aufweist, die zur Innenseite des aus Harz hergestellten Behälters (X) zurückgesetzt ist und die sich in einer Umfangsrichtung des aus Harz hergestellten Behälters (X) erstreckt.
EP17886228.0A 2016-12-26 2017-12-25 Aus harz hergestellter behälter Active EP3560852B1 (de)

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JP2016251684A JP2018104026A (ja) 2016-12-26 2016-12-26 樹脂製容器
JP2016251683A JP2018104025A (ja) 2016-12-26 2016-12-26 樹脂製容器
PCT/JP2017/046378 WO2018123944A1 (ja) 2016-12-26 2017-12-25 樹脂製容器

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EP3560852A1 EP3560852A1 (de) 2019-10-30
EP3560852A4 EP3560852A4 (de) 2020-12-02
EP3560852B1 true EP3560852B1 (de) 2023-11-01

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PH (1) PH12019501368A1 (de)
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US10899493B2 (en) * 2016-12-29 2021-01-26 Graham Packaging Company, L.P. Hot-fillable plastic container
US20200239174A1 (en) * 2017-10-06 2020-07-30 Hokkai Can Co., Ltd. Synthetic resin multilayer bottle
US11628966B2 (en) * 2021-04-12 2023-04-18 Dart Industries Inc. Freezable and reusable bottle and method of making the bottle
JP2023067216A (ja) * 2021-10-29 2023-05-16 株式会社吉野工業所 合成樹脂製容器

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JP2016011156A (ja) * 2014-06-30 2016-01-21 株式会社吉野工業所 ボトル

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JP2998559B2 (ja) 1994-05-13 2000-01-11 東洋製罐株式会社 ワンピース型耐熱ポリエステルボトル及びその製法
US6095360A (en) * 1998-10-21 2000-08-01 Crown Cork & Seal Technologies Corporation Vertical-rib reinforced bottle
JP4201100B2 (ja) * 2000-01-25 2008-12-24 株式会社吉野工業所 プラスチックボトル
JP4552498B2 (ja) * 2004-04-30 2010-09-29 株式会社吉野工業所 合成樹脂製壜体
JP4978907B2 (ja) * 2006-11-29 2012-07-18 株式会社吉野工業所 合成樹脂製丸形ボトル
JP6060497B2 (ja) * 2012-02-28 2017-01-18 大日本印刷株式会社 プラスチックボトル
JP6136172B2 (ja) * 2012-10-02 2017-05-31 東洋製罐株式会社 樹脂製容器
JP6040013B2 (ja) * 2012-11-30 2016-12-07 株式会社吉野工業所 ボトル
JP6671104B2 (ja) 2015-02-27 2020-03-25 株式会社吉野工業所 合成樹脂製容器

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JP2016011156A (ja) * 2014-06-30 2016-01-21 株式会社吉野工業所 ボトル

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EP3560852A1 (de) 2019-10-30
MY202011A (en) 2024-03-28
SG10202106927RA (en) 2021-07-29
US20200095010A1 (en) 2020-03-26
PH12019501368A1 (en) 2019-12-16
WO2018123944A1 (ja) 2018-07-05
ES2966162T3 (es) 2024-04-18
EP3560852A4 (de) 2020-12-02
TW201829255A (zh) 2018-08-16
CN110099853A (zh) 2019-08-06

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