EP4153495A1 - Récipient en plastique - Google Patents

Récipient en plastique

Info

Publication number
EP4153495A1
EP4153495A1 EP21727813.4A EP21727813A EP4153495A1 EP 4153495 A1 EP4153495 A1 EP 4153495A1 EP 21727813 A EP21727813 A EP 21727813A EP 4153495 A1 EP4153495 A1 EP 4153495A1
Authority
EP
European Patent Office
Prior art keywords
plastic container
closure
container according
section
retaining strap
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
EP21727813.4A
Other languages
German (de)
English (en)
Inventor
Thomas BOHLE
Christian ZMÖLNIG
Daniel SCHNETZER
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.)
Alpla Werke Alwin Lehner GmbH and Co KG
Original Assignee
Alpla Werke Alwin Lehner GmbH and Co KG
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 Alpla Werke Alwin Lehner GmbH and Co KG filed Critical Alpla Werke Alwin Lehner GmbH and Co KG
Publication of EP4153495A1 publication Critical patent/EP4153495A1/fr
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—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
    • B65D1/023—Neck construction
    • B65D1/0238—Integral frangible closures
    • 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
    • B65D1/09—Ampoules
    • B65D1/095—Ampoules made of flexible material
    • 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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
    • B65D35/42—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices for preventing loss of removable closure 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
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/08—Threaded or like closure members secured by rotation; Bushes therefor
    • 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
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/16—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers with handles or other special means facilitating manual actuation
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/10—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures
    • 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/16—Devices preventing loss of removable closure members
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/06—Ampoules or carpules
    • 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
    • B65D2205/00—Venting means
    • 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

Definitions

  • the invention relates to a plastic container which is inflated in a blow mold, according to the preamble of claim 1.
  • closures are undesirable for environmental reasons, since it is not ensured that the closure and the empty container are disposed of together.
  • Such containers including closures, are inexpensive to manufacture, but reclosing the container after the closure has been unscrewed is not possible due to the design.
  • a plastic container which is inflated in a blow mold has a body on which an opening is provided, and a disposable closure which closes the opening and has been formed together with the body in the blow mold.
  • a tether with a first and a second one End has been formed, wherein the first end is inextricably connected to the body and the second end is inextricably connected to the one-way closure.
  • the body, the one way fastener and the tether are in one piece.
  • the one-way closure By forming the retaining strap, the one-way closure, which is twisted off with either a left or a right turn, remains connected to the container in the twisted off state.
  • the disposable closure is held captive on the body and, since it consists of the same material as the body, is particularly easy to feed into a material cycle together with it and to recycle it.
  • the opening for removing the product from the container can also be arranged in a tubular section or neck which is formed from the body.
  • the tubular section or neck is preferably connected in one piece to the remaining container body, as a rule by a container shoulder.
  • the retaining strap can be permanently connected to the tubular section or the neck and / or to the container shoulder.
  • the one-way lock is a twist toggle lock.
  • a rotary toggle lock is to be understood as a one-way lock that can be rotated clockwise or counterclockwise, completely breaking the plastic that borders the opening, thereby releasing the opening for removing the product from the body.
  • a one-way closure which is broken off by the body by kinking, would also be conceivable.
  • the retaining strap consists of the same material as the one-way closure and the body.
  • the single-origin material of the entire container enables particularly easy recycling.
  • the rotary toggle fastener has a cap section which is integrally connected to the section bordering the opening and has a weakened area at the connection which is designed as the first predetermined breaking point.
  • a gripping section protrudes from the cap section. The cap section thus tears away from the opening at a predefined point and releases it for removal of the product.
  • the gripping section has an upper edge, a lower edge and a first and second lateral edge, the lateral edges spacing the upper and lower edges apart. stood. This forms an essentially square gripping section with two rotating blades. The user can grip this rotary wing well and apply a torque to the cap portion via this, which causes it to rotate away from the body.
  • the gripping section is rectangular.
  • the first end of the retaining strap is connected to the body directly below the lower edge.
  • a retaining strap is created with a sufficient length so that it does not interfere with the twisting off of the closure.
  • the retaining strap is sufficiently long so that the closure can be rotated so that the upper edge is oriented in the direction of the opening.
  • the retaining strap expediently extends along one of the lateral edges. As a result, it is formed in one plane with the gripping section and can be spaced apart from the gripping section when it is turned off without hindering the opening process.
  • the retaining strap is connected to a second predetermined breaking point on one of the lateral edges.
  • a closure element protrudes from one of the edges, which is free of the retaining strap, which is formed in one piece with the rotary toggle closure, consists of the same material as the other container elements and is designed in such a way that the opening with this Ver closing element is lockable.
  • This closure element which in one embodiment can be opposite the cap section, has the result that the one-way closure becomes a closure with which the opening can be re-closed several times.
  • the closure element is molded in one piece together with the other elements in the blow mold.
  • This reclosing function by the closure element is particularly useful due to the provision of the retaining strap, since the one-way closure and thus the closure element are not lost can go when the opening is open, and is always at hand when the opening is to be closed.
  • the retaining strap and the closure element consequently interact directly.
  • the closure element is expediently a plug which can be held in a force-fitting, frictional and / or form-fitting manner on the section bordering the opening. As a result, the plug is held securely in the opening and can be pulled out of it at any time.
  • the sealing area of the stopper can have a slightly larger outer diameter than the inner diameter of the opening for a frictional or force-locking mounting. Since the plastic of the plug and of the section bordering the opening can be flexible, a force or frictional connection occurs when the plug is pressed into the opening.
  • a form fit can be implemented, for example, in that a groove oriented in the circumferential direction of the plug engages on the edge of the opening.
  • a tubular section which is formed within the gripping section, extends between the cap section and the closure element.
  • the tubular section increases the area of application of the fingers when opening, in order to be able to apply sufficient torque to shear off or break the first predetermined breaking point.
  • the section serves as an actuator when the plug is inserted into the opening.
  • the plug is held firmly by the tubular section on the top of the gripping section and cannot break off when the gripping section is loaded.
  • the outside diameter of the tubular section is advantageously greater than the thickness of the gripping section.
  • the plug is the extension of the tubular section and is therefore held securely on the upper side of the gripping section. When the plug is pressed into the opening, the plug cannot break off from the gripping section.
  • the plug is hollow.
  • the tubular section can be used to guide blown air into the plug in order to inflate it so that its outer wall lies completely against the inside of the blow mold during manufacture and has no sink marks after removal from the blow mold. This ensures that the plug can seal the opening of the container after the container has been opened.
  • the plastic container is expediently made from polyolefins suitable for blow molding, such as polypropylene and polyethylene, and their derivatives and recycling materials, PET, recycled PET and bio-based plastics, for example bio-based polybutylene succinates.
  • the container is manufactured in an extrusion blow molding process.
  • the one-way closure and the retaining strap are formed from the slug that is created in the blow mold during extrusion blow molding.
  • the one-way closure and the tether can be formed in a simplified manner by closing the blow mold, on the one hand, and the production of the one-way closure and the tether is associated with particularly little material expenditure on the other hand. This in particular because the slug inevitably arises in the blow mold.
  • extrusion blow molding is a process for the production of plastic containers, this process forms structural features that are visible on a hollow blow molded body produced by means of this process.
  • the hollow blow molded body is manufactured from a predetermined section of a tube which is clamped at its open ends when the blow mold halves are closed, the tube is welded together at these two ends by being pressed together.
  • the halves of the closed blow mold compressed hose sections, called slugs, are mechanically removed from the blow mold after the blow mold has been removed from the mold.
  • This weld seam can be seen on the hollow blown body.
  • the weld seam forms a ridge which, because it is rough on its upper side, differs from a mold separation of, for example, injection-molded objects.
  • weld seams in the bottom area and shoulder / neck area of hollow blown objects can be seen.
  • the weld seams are in the area of the shoulder / neck area.
  • the weld seam extends circumferentially around the closure or around the gripping section and lies in the parting plane of the blow mold.
  • the plastic container is produced by means of injection blow molding.
  • the closure can be designed as an injection-molded part and the later product receiving body can be made by blow molding.
  • FIG. 1 a first embodiment of a plastic container in the form of a semi-finished product in a side view;
  • FIG. 2 the embodiment from FIG. 1 in an axonometric view
  • FIG. 3 a second embodiment of the plastic container in the form of a tube in a side view
  • FIG. 4 a detailed view of a one-way closure, in which from
  • Figure 5 axonometric view of a third embodiment of the plastic container in the form of a bag
  • Figure 6 a fourth embodiment of a plastic container in the form of a canister
  • Figure 7 a side view of a fifth embodiment which one
  • FIGS. 1, 2, 3, 4 and 6 various embodiments of a plastic container are shown, which are designated as a whole by the reference number 11.
  • the plastic container 11 is inflated in a blow mold.
  • the container 11 has a body 13 on which an opening 15 is provided.
  • the rotary toggle lock was formed together with the body 13.
  • a retaining strap 19 was also formed in one piece in the blow mold.
  • the retaining strap 19 has a first end 21 and a second end 23. The retaining strap 19 is fastened to the body 13 by the first end 21.
  • the retaining strap 19 is fastened to the rotary toggle closure 17 with the second end 23.
  • the rotary toggle lock 17 is held captive on the body, even if the rotary toggle lock 17 has been unscrewed from the body 13 in order to open the container 11.
  • the body 13 the rotary knuckle fastener 17 and the retaining strap 19 are formed together in the blow mold, they are preferably made of the same material.
  • the plastic container 11 is manufactured by extrusion blow molding, so that when the blow mold is closed, the closure 17 and the retaining strap 19 are formed from the slug that is created.
  • the rotary toggle fastener 17 has a cap section 25 which is integrally connected to the section 29 bordering the opening 15, as can be seen better in FIG.
  • a Greifab section 31 protrudes from the cap section 25.
  • the gripping section 31 has an upper edge 33, a lower edge 35 and a first and second lateral edge 37, 39.
  • the lateral edges 37, 39 space the upper and lower edges 33, 35 from one another. This gives the gripping section 31 a substantially rectangular shape.
  • the first end 21 is preferably connected to the body directly below the lower edge 35.
  • the second end 23 is preferably connected to the rotary toggle fastener 17 at the upper edge 33.
  • the retaining strap 19 extends along one of the lateral edges 37, 39.
  • the retaining strap 19 has a sufficient length after opening so that the closure 17 is not in the way when emptying the product filled in the Benzol ter 11. Since the gripping portion 31 and the holding band 19 is gebil det from the slug that is inevitably produced during blow molding, it is advantageous for simplified production if a second predetermined breaking point 41 is present between the holding band 19 and the gripping portion 31. This can be implemented in the form of a plastic film which tears when the rotary toggle fastener 17 is rotated.
  • wel cher is formed in one piece with the rotary toggle closure 17 and consists of the same material as the other container elements.
  • the gripping section 31 can be turned so that the plug 43 can be inserted into the opening 15 to close it again.
  • the plug 43 can be rounded at its open end.
  • the plug 43 is held in a non-positive, frictional and / or form-fitting manner on the section 29 bordering the opening 15.
  • the opening 15 can be closed at least in a dust-tight manner.
  • a groove 44 can also be formed on the plug 43, which groove can be latched on the section 29.
  • the retaining strap 19 is therefore sufficiently long that the reclosing process is possible.
  • a tubular section 45 which is formed within the gripping section 31, extends between the cap section 25 and the plug 43.
  • the outer diameter of the tubular section 45 is preferably greater than the thickness of the gripping section 31.
  • the tubular section 45 enlarges the contact surface of the fingers when opening, in order to be able to apply a sufficient torque to shear off or break the first predetermined breaking point 27.
  • the tubular section 45 serves as an actuator when the plug 43 is inserted into the opening 29.
  • the tubular section 45 also enables blown air to pass into the plug 43 during the production of the plastic container 11 in order to make it hollow.
  • FIGS. 1 and 2 an embodiment variant is shown in which the opening 29 is provided at the end of a tapering extension 47.
  • FIGS. 1 and 2 show that the container 11 can be a semi-finished product. This is filled with a product on the open side and the container is converted into a tube by welding on the open side.
  • FIG. 7 a tube 11 with a disposable closure is shown, which is free of a closure element 43.
  • the second end 23 of the retaining strap 19 can extend to the middle of the upper edge 33 in this embodiment.
  • a maximum length of the retaining strap 19 can be achieved in that the retaining strap extends along all free edges 33, 35, 37, 39.
  • the length of the retaining strap 19 can be realized by the design of the blow mold, which one Particularly simple operation of the one-way closure and all additional functions, such as reclosing, are made possible.
  • the plastic container 11 can be a tube, a tube in the form of a bag or a canister. This list is exemplary and therefore not exhaustive.
  • the rotary toggle fastener 17 serves to close a ventilation opening 15.

Abstract

L'invention concerne un récipient en matière plastique (11) qui est soufflé dans un moule de soufflage, comportant un corps (13), sur lequel est disposée une ouverture (15), et une fermeture jetable (17), qui ferme l'ouverture (15) et qui est formée dans le moule de soufflage conjointement avec le corps (13). Une bande de maintien (19) dotée d'une première extrémité et d'une seconde extrémité (21, 23) est également formée dans le moule de soufflage conjointement avec le corps (13) et la fermeture jetable (17). La première extrémité (21) est fixée de façon permanente au corps (13), et la seconde extrémité (23) est fixée de façon permanente à la fermeture (17). Le corps (13), la fermeture jetable (17) et la bande de maintien (19) sont formés d'un seul tenant.
EP21727813.4A 2020-05-18 2021-05-18 Récipient en plastique Pending EP4153495A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00598/20A CH717442A1 (de) 2020-05-18 2020-05-18 Kunststoffbehälter.
PCT/EP2021/063123 WO2021233906A1 (fr) 2020-05-18 2021-05-18 Récipient en plastique

Publications (1)

Publication Number Publication Date
EP4153495A1 true EP4153495A1 (fr) 2023-03-29

Family

ID=71096473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21727813.4A Pending EP4153495A1 (fr) 2020-05-18 2021-05-18 Récipient en plastique

Country Status (8)

Country Link
US (1) US20230192373A1 (fr)
EP (1) EP4153495A1 (fr)
CN (1) CN115667077A (fr)
BR (1) BR112022022839A2 (fr)
CH (1) CH717442A1 (fr)
MX (1) MX2022013555A (fr)
WO (1) WO2021233906A1 (fr)
ZA (1) ZA202211895B (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1372433A (fr) * 1963-01-11 1964-09-18 Anstatt Varasy Dispositif de bouchage en matière plastique, débouchable par pression, inviolable,imperdable et rebouchable, pour tous récipients
DE2714917C2 (de) * 1977-04-02 1983-07-07 Keller, Wilhelm, Ing.(grad.), 8995 Sigmarszell Hohlkörper aus thermoplastischem Kunststoff
US5901865A (en) * 1996-04-23 1999-05-11 Automatic Liquid Packaging, Inc. Hermetically sealed container with frangible web and locking lugs and method and apparatus for making same
US8025855B2 (en) * 2008-07-25 2011-09-27 Continental Plastic Corp. Semen container with specialized tip
ITMO20130243A1 (it) * 2013-09-02 2015-03-03 Lameplast Spa Fiala per prodotti fluidi, particolarmente per prodotti medicali, farmaceutici, cosmetici, alimentari o simili

Also Published As

Publication number Publication date
CH717442A1 (de) 2021-11-30
ZA202211895B (en) 2023-05-31
MX2022013555A (es) 2022-11-30
US20230192373A1 (en) 2023-06-22
WO2021233906A1 (fr) 2021-11-25
CN115667077A (zh) 2023-01-31
BR112022022839A2 (pt) 2022-12-13

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