EP0532473B1 - Emballage formé par moulage par soufflage, par exemple bouteille en matière plastique, et couvercle pour cet emballage - Google Patents

Emballage formé par moulage par soufflage, par exemple bouteille en matière plastique, et couvercle pour cet emballage Download PDF

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Publication number
EP0532473B1
EP0532473B1 EP92810702A EP92810702A EP0532473B1 EP 0532473 B1 EP0532473 B1 EP 0532473B1 EP 92810702 A EP92810702 A EP 92810702A EP 92810702 A EP92810702 A EP 92810702A EP 0532473 B1 EP0532473 B1 EP 0532473B1
Authority
EP
European Patent Office
Prior art keywords
spout
receptacle
cap
neck
bottle
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.)
Expired - Lifetime
Application number
EP92810702A
Other languages
German (de)
English (en)
Other versions
EP0532473A1 (fr
Inventor
Alwin Lehner
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
Soplar SA
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 Soplar SA filed Critical Soplar SA
Publication of EP0532473A1 publication Critical patent/EP0532473A1/fr
Application granted granted Critical
Publication of EP0532473B1 publication Critical patent/EP0532473B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/06—Integral drip catchers or drip-preventing 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/40—Closures with filling and discharging, or with discharging, devices with drip catchers or drip-preventing 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/09—Reversible caps or lids, e.g. with threads on one side and a plug on the other

Definitions

  • the invention relates to a one-piece blow molded package, e.g. Bottle, made of plastic, and closure lid for this packaging, the packaging having a neck, a spout connected to the neck via a flexible intermediate piece, and an annular space arranged between the neck and the spout, as a drip catcher.
  • a one-piece blow molded package e.g. Bottle, made of plastic, and closure lid for this packaging, the packaging having a neck, a spout connected to the neck via a flexible intermediate piece, and an annular space arranged between the neck and the spout, as a drip catcher.
  • Blow molded bottles have found a wide range of applications. They usually consist of a plastic, e.g. Polyethylene, which poses no problems with disposal. Polyethylene can be recycled or is a high-energy fuel in waste incineration that does not produce any pollutants, but only water vapor and carbon dioxide.
  • the known plastic bottles are partly produced with an integrated spout and partly with an inserted spout.
  • a pouring spout is usually used when there are special requirements with regard to pouring out the liquid. For example, it may be required that air can continuously enter the bottle during pouring, so that the liquid flows out smoothly without chuckling, so that it can be dosed well. Furthermore, it may be required that there is an annular space around the spout, into which liquid flowing down the spout after the pouring can flow and can flow back into the bottle through an opening without soiling the thread for the bottle cap.
  • a bottle with an inserted spout has the disadvantage that an expensive injection mold is also required to produce the spout. Furthermore, a spout used requires a high degree of accuracy. However, it is not easy to achieve narrow tolerances for the inside diameter of the bottle neck because there may be slight deviations in the wall thickness during blow molding. However, if the inside diameter of the bottle neck is too large, there is a risk that the spout will fall out when using the bottle, which can result in very unpleasant consequences and dangers. Another disadvantage is that after blow molding Bottle an assembly operation to insert the spout is necessary. Errors can still arise here, for example, by inserting the spout with the air hole away from the handle on a handle bottle.
  • DE-A-38 20 428 where a spout with a thread is screwed onto a bottle neck, can be cited as an example of a bottle with a spout inserted.
  • This spout has a spout, which is referred to as a dispensing cylinder. Between this pouring part and the bottle neck there is an annular space into which residual liquid flows after use of the bottle and can flow back into the bottle via a return opening.
  • EP-A-0 378 047 discloses a method for producing a hollow body with a one-piece molded drip catcher, in which a preform is first produced by an injection molding or pressing process, on which a drip catcher is directly molded.
  • the drip catcher consists of a pouring spout and a collecting channel surrounding it.
  • the collecting trough is in turn surrounded by a wall which has an external thread for fitting a closure cap.
  • a return opening is created which connects the collecting channel to the interior of the hollow body.
  • the manufacture of such a preform requires a relatively expensive tool.
  • EP-A-0 417 954 describes a process for producing a one-piece blow molded package, e.g. a bottle, described, with which it is possible to retain the most important advantages of a bottle with a subsequently inserted spout or by integrally molded drip catcher.
  • a one-piece blow molded package e.g. a bottle, described
  • an intermediate piece is formed between the neck and the spout during blow molding and then the spout is pushed into the neck, as a result of which the intermediate piece is turned inside out to form an annular space within the neck.
  • US-A-2 895 654 describes a container in which a flexible spout is inserted which can be sunk into the container when not in use.
  • the spout is provided with a thread on which a cap can be screwed.
  • This cap is provided with a loop-shaped handle. By inserting a finger into the loop-shaped handle, the flexible spout can be pulled out of the lowered position with the closure cap.
  • the container consists of two parts and that a drip catcher is missing.
  • Another disadvantage is that the thread for the cap is provided on the spout itself, so that there is a risk that the thread is contaminated by escaping liquid. This can lead to the cap being stuck after screwing on and can no longer be loosened or only with great effort.
  • the spout has a coupling section and in that a coupling device is arranged on the outside of the closure cover, which can be coupled to the coupling section of the spout in order to pull the spout out of the neck.
  • the sealing lid can be coupled to the spout and the spout pulled out of the neck. This ensures that only minimal amounts of the packaging content are incurred when the packaging is disposed of. This not only saves on the contents of the packaging, but is also important when the used packaging is recycled. When recycling plastic bottles, it is important that the waste material is not mixed with large amounts of foreign substances that adversely affect the quality of the material obtained through such recycling. Since the cover serves as a pull-out tool, you don't get dirty fingers when pulling out.
  • the coupling section of the packaging is formed by a bulge in the inner wall of the spout and the coupling device of the closure cover has a section that fits into the bulge. This allows the pouring part to be pulled out of the packaging in a simple manner.
  • Different configurations of the bulge of the inner wall of the spout are possible.
  • the bulge of the inner wall of the spout is advantageously groove-shaped. This shape can be created with simple means when the package is blow molded.
  • the coupling device of the closure cover can then be designed as a conical pin.
  • the coupling section on the spout of the packaging by means of a thread.
  • the coupling device of the closure cover can consist of a thread that can be screwed to the thread of the spout.
  • the coupling device is expediently arranged on the outside of the closure cover.
  • the arrangement of the coupling device on the top of the sealing cover has proven to be particularly advantageous. This creates a pleasant coaxial arrangement.
  • the closure lid can expediently be placed on the outside of the neck of the packaging. This enables a stable connection between the packaging and the sealing cover.
  • the sealing cover expediently has a sealing cone on the inside in the region of the neck of the packaging. This ensures a good seal.
  • the sealing cap designed in this way can serve as a measuring cup, the thread normally not coming into contact with the liquid content.
  • the closure cover can be designed as a screw cover. The packaging can then have a thread on the neck for screwing on the sealing cover.
  • the plastic bottle 10 shown in the drawing e.g. Polyethylene or polypropylene is made by blow molding. After blow molding, the bottle 10 has a shape as can be seen in FIG. 3. In a further operation, the intermediate piece 13 is then turned inside out to form an annular space 15 (FIG. 1). The method for producing such a bottle is the subject of WO 92/01551.
  • the finished bottle essentially consists of the bottle body 17, the neck 19 and the spout 21. Between the neck 19 and the spout 21 and the inverted intermediate piece 13 there is the annular space 15, which has an opening 23 at the bottom. This opening 23 serves as an air inlet opening during pouring. After the bottle has been used, residual liquid can flow from the annular space 15 through the opening 23 into the interior 25 of the bottle.
  • a thread 27 is provided on the neck 19 for screwing on the closure cover 29 and has a thread 31.
  • the closure cap 29 is advantageously also made of plastic and is provided with a thread 31 which fits on the thread 27 of the bottle.
  • the closure cap 29 has a sealing cone 33 which ensures a good seal.
  • a sealing edge 35 can be provided in addition to or instead of the sealing cone 33.
  • a coupling device 37 is integrally formed on top of the closure cover 19. However, it would also be possible to arrange the coupling device 37 at a different location on the outside of the closure cover 29.
  • the coupling device 37 has in the illustrated embodiment the shape of a cone-shaped pin.
  • a coupling section in the form of a groove-shaped bulge 39 of the inner wall of the spout 21 corresponds to this pin 37.
  • the closure cover 29 can be used as a tool for pulling out the spout 21.
  • it is inserted with little effort with the conical pin 37 into the spout 21, as shown in Fig. 2.
  • the conical pin 37 is held in the groove-shaped bulge 39. If pulling on the closure cap 29 is thus carried out, the spout 21 is pulled out of the neck 13, whereupon the closure cap 29 (FIG. 3) can be uncoupled again by tilting it. With the spout 21 pulled out (FIG. 3), the bottle can then be completely emptied.
  • the coupling section on the spout 21 can thus be formed by a thread, a corresponding thread then also being provided on the closure cover instead of a cone 37.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Closures For Containers (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Claims (9)

  1. Emballage (10) en matière plastique, par exemple bouteille, formé d'une seule pièce par moulage-soufflage, et bouchon obturateur (29) pour cet emballage, l'emballage (10) comportant un col (19), un verseur (21) relié au col (19) par une partie intermédiaire flexible (13) et un espace annulaire (15) situé entre le col (19) et le verseur et servant à recueillir les gouttes, caractérisés en ce que le verseur (21) comporte une partie d'accouplement (39) et en ce qu'il est disposé, extérieurement sur le bouchon obturateur (29), un dispositif d'accouplement (37) qui peut être accouplé avec la partie d'accouplement (39) du verseur (21) pour tirer le verseur (21) hors du col (19).
  2. Emballage et bouchon obturateur selon la revendication 1, caractérisés en ce que la partie d'accouplement (39) de l'emballage est constituée par un renfoncement dans la paroi interne du verseur (21), et en ce que le dispositif d'accouplement (37) du bouchon obturateur (29) comporte une partie (37) qui s'adapte dans le renfoncement (39).
  3. Emballage et bouchon obturateur selon la revendication 2, caractérisés en ce que le renfoncement (39) de la paroi interne du verseur (21) a la forme d'une gorge.
  4. Emballage et bouchon obturateur selon la revendication 2 ou 3, caractérisés en ce que le dispositif d'accouplement (37) du bouchon obturateur (29) est un tenon conique.
  5. Emballage et bouchon obturateur selon la revendication 2 ou 3, caractérisés en ce que la partie d'accouplement (39) sur le verseur (21) de l'emballage est constituée par un filetage et en ce que le dispositif d'accouplement (37) du bouchon obturateur (29) est constitué par un filetage qui peut être vissé sur le filetage du verseur.
  6. Emballage et bouchon obturateur selon l'une quelconque des revendications 1 a 5, caractérisés en ce que le dispositif d'accouplement est situé en haut sur le bouchon obturateur (29).
  7. Emballage et bouchon obturateur selon l'une quelconque des revendications 1 a 6, caractérisés en ce que le bouchon obturateur (29) peut être emboîté sur le col (19) de l'emballage.
  8. Emballage et bouchon obturateur selon l'une quelconque des revendications 1 a 7, caractérisés en ce que le bouchon obturateur (29) comporte intérieurement un cône d'étanchéité (33) au niveau du col (19) de l'emballage.
  9. Emballage et bouchon obturateur selon l'une quelconque des revendications 1 à 8, caractérisés en ce que l'emballage présente un filetage (27) sur le col (19) et en ce que le bouchon obturateur (29) comporte un filetage correspondant (31).
EP92810702A 1991-09-12 1992-09-11 Emballage formé par moulage par soufflage, par exemple bouteille en matière plastique, et couvercle pour cet emballage Expired - Lifetime EP0532473B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2686/91 1991-09-12
CH268691 1991-09-12

Publications (2)

Publication Number Publication Date
EP0532473A1 EP0532473A1 (fr) 1993-03-17
EP0532473B1 true EP0532473B1 (fr) 1995-11-29

Family

ID=4239297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92810702A Expired - Lifetime EP0532473B1 (fr) 1991-09-12 1992-09-11 Emballage formé par moulage par soufflage, par exemple bouteille en matière plastique, et couvercle pour cet emballage

Country Status (4)

Country Link
EP (1) EP0532473B1 (fr)
AT (1) ATE130814T1 (fr)
DE (1) DE59204483D1 (fr)
ES (1) ES2079833T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9407719U1 (de) * 1994-05-10 1994-09-22 Rathor Ag, Appenzell Aufsteckbare Reinigerflasche
US6123231A (en) * 1998-07-13 2000-09-26 Owens-Brockway Plastic Products Inc. Plastic container with drain back spout and method and apparatus for making same
DE202010004849U1 (de) 2010-04-05 2010-07-29 Hidde, Axel R., Dr. Verpackung eines Mittels mit angeformtem Werkzeug
WO2013066156A2 (fr) * 2011-10-28 2013-05-10 Basurto Victor M Récipient destiné à retenir des liquides
JP6526503B2 (ja) * 2015-06-30 2019-06-05 株式会社吉野工業所 液体注出容器及びその製造方法
FR3046782A1 (fr) * 2016-01-14 2017-07-21 Lisa Colin Ensemble comprenant un contenant presentant un filetage separe du col, recevant un bouchon visse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771221A (en) * 1953-01-02 1956-11-20 Lining Components Ltd Liquid container
US2895654A (en) * 1956-11-23 1959-07-21 Rieke Metal Products Corp Bail handled closure cap
US3856187A (en) * 1973-12-03 1974-12-24 W Chlystun Container with collapsible pouring spout and self opening vent hole
US4640855A (en) * 1985-10-25 1987-02-03 Owens-Illinois, Inc. Plastic container with integral spout
US5071037A (en) * 1989-09-14 1991-12-10 Graham Engineering Corporation Blow molded bottle with integral pour spout

Also Published As

Publication number Publication date
ATE130814T1 (de) 1995-12-15
DE59204483D1 (de) 1996-01-11
EP0532473A1 (fr) 1993-03-17
ES2079833T3 (es) 1996-01-16

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