WO1996021597A1 - Easy-to-open lid - Google Patents

Easy-to-open lid Download PDF

Info

Publication number
WO1996021597A1
WO1996021597A1 PCT/ES1996/000005 ES9600005W WO9621597A1 WO 1996021597 A1 WO1996021597 A1 WO 1996021597A1 ES 9600005 W ES9600005 W ES 9600005W WO 9621597 A1 WO9621597 A1 WO 9621597A1
Authority
WO
WIPO (PCT)
Prior art keywords
annular configuration
lid
easy
plastic material
container
Prior art date
Application number
PCT/ES1996/000005
Other languages
Spanish (es)
French (fr)
Inventor
José Mª ROURA IGLESIAS
Original Assignee
Roura Iglesias Jose Ma
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 Roura Iglesias Jose Ma filed Critical Roura Iglesias Jose Ma
Priority to EP96900325A priority Critical patent/EP0752372A1/en
Priority to AU43920/96A priority patent/AU4392096A/en
Publication of WO1996021597A1 publication Critical patent/WO1996021597A1/en

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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4011—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening completely by means of a tearing tab

Definitions

  • This description refers, as its title indicates to an easy-to-open lid, of the type used as a closing element for packaging.
  • quick-opening covers are known, which can be formed of metallic material or plastic material, such as that which is the object of this invention.
  • the easily opened lids made of plastic material, are obtained by molding the material and have a general body whose central area is closed by a laminar portion, provided with a ring, and limited by a thin line of material, which conforms a break line, so that when the ring is pulled, the central laminar portion is released, the central space covered by it being open.
  • This type of covers can be applied to close mouths of reduced dimensions, since if the removable laminar portion had a high surface, with a reduced thickness, obtaining it by molding would be practically impossible and at least excessively expensive.
  • the easy-open lid has been devised, object of this invention that has the particularity of being composed of a body of plastic material, which defines two annular configurations, one outer and one inner, joined by a portion of low thickness, forming a break line, and a laminar body, which is fixed, preferably by ultrasound, on the interior configuration of the original body, closing the central area of it.
  • the exterior configuration of the first body is intended to be immobilized on the mouth of a container, and the interior presents, as usual in this type of lids, a ring, integral to it by means of a returned portion, so that when pulling from the ring the interior configuration and the laminar body integral thereto are separated from the external configuration that remains attached to the container.
  • the lid is composed of an original body to which a laminar body is attached, allows the easily opened lid to have high dimensions, and that when extracting the interior configuration together with the laminar body, that the hole originated in the lid present a surface practically equal to the mouth of the container.
  • the laminar body that originally closes the central area of the container is formed of a transparent plastic material, which allows a visual inspection of the product contained inside the package without opening it, which It is currently impossible, taking into account that the lids to which we refer are applied in metal containers, so this particularity represents an important advantage over the plastic or metallic lids currently known.
  • FIG. 1 shows a plan view of the easy opening lid, which occupies us.
  • FIG. 2 represents an elevational view of the cover, diametrically sectioned by a vertical plane that passes through the area where the ring joins with the inner annular configuration.
  • the easy opening lid, object of this invention is originally composed of an annular body (1) and a laminar body (2).
  • the body (1) defines an outer annular configuration (11), intended to be immobilized on the container, preferably metallic, and internally has a peripheral portion (12), of small thickness, which forms a break line and, by means of which joins with an inner annular configuration (13).
  • This annular configuration (13) inside has one of its sides, and more specifically on the side corresponding to the outer area of the container, a reinforcement (14) from which a ring (15) emerges while on the opposite surface of this annular configuration (13) is fixed, preferably by ultrasound, the periphery of the laminar body (2), responsible for closing the central area of the lid.
  • This sheet body (2) is preferably composed of several layers of transparent plastic material, which allows, after fixing the lid on the container, to visually inspect the product contained inside the container, without opening the opening.

Abstract

Easy-to-open lid presenting a plastic body which defines an external annular configuration extended at the inner side by a low thickness peripheral portion integral with an internal annular configuration presenting at a point of its periphery a reinforcement from which protrudes a ring; the lid has a second body comprised of a transparent sheet of plastic material which is joined, preferably by ultrasounds, to the lower surface of the internal annular configuration, thereby closing the internal empty space of the latter. Said lid is preferably used to be fixed on the mouth of metal containers in order to close them.

Description

Tapa de fácil apertura.Easy opening lid.
La presente memoria descriptiva se refiere, como su título indica a una tapa de fácil apertura, del tipo de las empleadas como elemento de cierre para envases.This description refers, as its title indicates to an easy-to-open lid, of the type used as a closing element for packaging.
En la actualidad se conocen tapas de apertura rápida, que pueden estar conformadas en material metálico o en material plástico, como la que es objeto de esta invención.At present, quick-opening covers are known, which can be formed of metallic material or plastic material, such as that which is the object of this invention.
Las tapas de fácil apertura, conformadas en material plástico se obtienen por moldeo del material y presentan un cuerpo general cuya zona central aparece cerrada por una porción laminar, provista de una anilla, y de limitada por una línea de material de escaso espesor, que conforma una línea de rotura, de modo que al tirar del anilla, la porción laminar central se libera, quedando abierto el espacio central cubierto por aquélla.The easily opened lids, made of plastic material, are obtained by molding the material and have a general body whose central area is closed by a laminar portion, provided with a ring, and limited by a thin line of material, which conforms a break line, so that when the ring is pulled, the central laminar portion is released, the central space covered by it being open.
Este tipo de tapas se pueden aplicar para cerrar bocas de dimensiones reducidas, ya que si la porción laminar extraíble tuviera una superficie elevada, con un espesor reducido, la obtención de la misma por moldeo seria prácticamente imposible y cuando menos excesivamente costosa.This type of covers can be applied to close mouths of reduced dimensions, since if the removable laminar portion had a high surface, with a reduced thickness, obtaining it by molding would be practically impossible and at least excessively expensive.
Para solventar estos problemas se ha ideado la tapa de fácil apertura, objeto de esta invención que presenta la particularidad de estar compuesta por un cuerpo de material plástico, que define dos configuraciones anulares una exterior y otra interior, unidas por una porción de escaso espesor, conformante de una línea de rotura, y un cuerpo laminar, que se fija, preferentemente por ultrasonidos, sobre la configuración interior del cuerpo original, cerrando la zona central de éste.To solve these problems, the easy-open lid has been devised, object of this invention that has the particularity of being composed of a body of plastic material, which defines two annular configurations, one outer and one inner, joined by a portion of low thickness, forming a break line, and a laminar body, which is fixed, preferably by ultrasound, on the interior configuration of the original body, closing the central area of it.
La configuración exterior del primer cuerpo está destinada a inmovilizarse sobre la boca de un recipiente, y la interior presenta, como es habitual en éste tipo de tapas, una anilla, solidaria a la misma por medio de una porción regruesada, de modo que al tirar de la anilla la configuración interior y el cuerpo laminar solidario a la misma se separan de la configuración exterior que se queda fijada al envase.The exterior configuration of the first body is intended to be immobilized on the mouth of a container, and the interior presents, as usual in this type of lids, a ring, integral to it by means of a returned portion, so that when pulling from the ring the interior configuration and the laminar body integral thereto are separated from the external configuration that remains attached to the container.
El que la tapa éste compuesta por un cuerpo original al que se fija un cuerpo laminar, permite que la tapa de fácil apertura pueda tener unas dimensiones elevadas, y que al realizar la extracción de la configuración interior junto con el cuerpo laminar, que el orificio originado en la tapa presente una superficie prácticamente igual a la boca del envase.The fact that the lid is composed of an original body to which a laminar body is attached, allows the easily opened lid to have high dimensions, and that when extracting the interior configuration together with the laminar body, that the hole originated in the lid present a surface practically equal to the mouth of the container.
De otra parte se ha previsto que el cuerpo laminar que cierra originalmente la zona central del envase esté conformado en un material plástico transparente, lo que permite realizar una inspección visual del producto contenido en el interior del envase sin realizar la apertura del mismo, lo que es actualmente imposible, teniendo en cuenta que las tapas a las que nos referimos se aplican en recipientes metálicos, por lo que está particularidad supone una ventaja importante respecto a las tapas plásticas o metálicas conocidas actualmente.On the other hand, it has been foreseen that the laminar body that originally closes the central area of the container is formed of a transparent plastic material, which allows a visual inspection of the product contained inside the package without opening it, which It is currently impossible, taking into account that the lids to which we refer are applied in metal containers, so this particularity represents an important advantage over the plastic or metallic lids currently known.
Para comprender mejor el objeto de la presente invención, en el plano anexo se ha representado una realización practica preferencia! del mismo. En dicho plano : ° 96/21597 PC /ES96/00005To better understand the object of the present invention, a practical practical embodiment has been shown in the attached drawing! of the same. In that plane: ° 96/21597 PC / ES96 / 00005
-3--3-
- La figura 1 muestra una vista en planta de la tapa de fácil apertura, que nos ocupa.- Figure 1 shows a plan view of the easy opening lid, which occupies us.
- La figura 2 representa una vista en alzado de la tapa, seccionada diametralmente por un plano vertical que pasa por la zona de unión de la anilla con la configuración anular interior.- Figure 2 represents an elevational view of the cover, diametrically sectioned by a vertical plane that passes through the area where the ring joins with the inner annular configuration.
Como se puede observar en las figuras referenciadas , la tapa de fácil apertura, objeto de está invención está compuesta originalmente por un cuerpo anular (1) y un cuerpo laminar (2).As can be seen in the referenced figures, the easy opening lid, object of this invention is originally composed of an annular body (1) and a laminar body (2).
El cuerpo (1) define una configuración anular exterior (11) , destinada a ser inmovilizada sobre el envase, preferentemente metálico, y presenta interiormente una porción periférica (12), de escaso espesor, que conforma una línea de rotura y, mediante la cual se une con una configuración anular (13) interior.The body (1) defines an outer annular configuration (11), intended to be immobilized on the container, preferably metallic, and internally has a peripheral portion (12), of small thickness, which forms a break line and, by means of which joins with an inner annular configuration (13).
Esta configuración anular (13) interior, presenta por uno de sus laterales, y mas concretamente por el lateral correspondiente a la zona exterior del envase, un refuerzo (14) del que emerge una anilla (15) mientras que sobre la superficie opuesta de está configuración anular (13) se fija, preferentemente mediante ultrasonidos, la periferia del cuerpo laminar (2), encargado de cerrar la zona central de la tapa.This annular configuration (13) inside, has one of its sides, and more specifically on the side corresponding to the outer area of the container, a reinforcement (14) from which a ring (15) emerges while on the opposite surface of this annular configuration (13) is fixed, preferably by ultrasound, the periphery of the laminar body (2), responsible for closing the central area of the lid.
Este cuerpo laminar (2) está compuesto preferentemente por varias capas de material plástico trasparente, lo que permite, una vez realizada la fijación de la tapa sobre envase, inspeccionar visualmente el producto contenido en el interior del envase, sin necesidad de realizar la apertura de la tapa. - ά-This sheet body (2) is preferably composed of several layers of transparent plastic material, which allows, after fixing the lid on the container, to visually inspect the product contained inside the container, without opening the opening. the lid - ά-
Con está disposición, al ser traccionada la anilla (15) se provoca la rotura del cuerpo (1) por la porción (12) de escaso espesor, quedando la configuración anular (11) exterior, fijada sobre el envase, mientras que la configuración anular (13) interior es retirada conjuntamente con el cuerpo laminar (2) originando una boca en la tapa, delimitada periféricamente por la configuración anular (11) exterior.With this arrangement, when the ring (15) is pulled, the body (1) is broken by the thin portion (12), leaving the outer annular configuration (11) fixed on the container, while the annular configuration (13) interior is removed together with the laminar body (2) causing a mouth in the lid, peripherally delimited by the outer annular configuration (11).
Una vez descrita suficientemente la naturaleza del invento, así como un ejemplo de realización practica, se hace constar que en el mismo se pueden introducir las modificaciones que se consideren oportunas, siempre y cuando no se alteren las características esenciales de la invención, que se reivindican a continuación. Once the nature of the invention has been sufficiently described, as well as an example of a practical embodiment, it is noted that modifications may be introduced therein, provided that the essential characteristics of the invention, which are claimed, are not altered. then.

Claims

R E I V I N D I C A C I O N E S 1.- Tapa de fácil apertura, del tipo de las empléalas como elemento de cierre para envases; caracterizada porque presenta un cuerpo de material plástico, que define una configuración anular exterior, destinada a fijarse sobre la boca del envase, y que se prolonga por el lateral interior en una porción periférica de escaso espesor, conformante de una línea de rotura, solidaria con una configuración anular interior, que presenta en un punto de su periferia un refuerzo del que emerge una anilla; presentando la tapa un segundo cuerpo, compuesto por una lamina transparente de material plástico, que se une, preferentemente por ultrasonidos, sobre la superficie inferior de la configuración anular interior, cerrando el hueco interior de la misma.R E I V I N D I C A C I O N E S 1.- Easy-to-open lid, of the type used as a closing element for containers; characterized in that it has a body of plastic material, which defines an outer annular configuration, intended to be fixed on the mouth of the container, and which extends along the inner side in a peripheral portion of low thickness, forming a break line, integral with an inner annular configuration, which has a reinforcement at a point on its periphery from which a ring emerges; the lid presenting a second body, composed of a transparent sheet of plastic material, which is joined, preferably by ultrasound, on the lower surface of the inner annular configuration, closing the inner hollow thereof.
2.- Tapa, según la reivindicación anterior, caracterizada porque la lámina transparente que cierra la configuración anular interior, está compuesta preferentemente por varias capas de material solidarias entre si .2. Cap, according to the preceding claim, characterized in that the transparent sheet that closes the inner annular configuration is preferably composed of several layers of material joined together.
3.- Tapa, según las reivindicaciones anteriores, caracterizado porque la superficie delimitada por la línea de rotura es ligeramente inferior a la superficie total de la tapa. 3. Cover, according to the preceding claims, characterized in that the surface delimited by the break line is slightly lower than the total surface of the cover.
PCT/ES1996/000005 1995-01-12 1996-01-12 Easy-to-open lid WO1996021597A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP96900325A EP0752372A1 (en) 1995-01-12 1996-01-12 Easy-to-open lid
AU43920/96A AU4392096A (en) 1995-01-12 1996-01-12 Easy-to-open lid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES09500043A ES2093552B1 (en) 1995-01-12 1995-01-12 EASY OPENING LID.
ESP9500043 1995-01-12

Publications (1)

Publication Number Publication Date
WO1996021597A1 true WO1996021597A1 (en) 1996-07-18

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ID=8289126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES1996/000005 WO1996021597A1 (en) 1995-01-12 1996-01-12 Easy-to-open lid

Country Status (4)

Country Link
EP (1) EP0752372A1 (en)
AU (1) AU4392096A (en)
ES (1) ES2093552B1 (en)
WO (1) WO1996021597A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094359A2 (en) * 1982-05-10 1983-11-16 AB Akerlund & Rausing A container closure
US4529100A (en) * 1983-03-22 1985-07-16 A/S Haustrup Plastic Container and sealed closure means
JPH0285147A (en) * 1988-09-19 1990-03-26 Showa Denko Kk Easy-to-open lid made of plastic
JPH02191162A (en) * 1988-11-30 1990-07-27 Showa Denko Kk Can type container lid and its manufacture
US5059360A (en) * 1988-04-07 1991-10-22 Showa Denko K.K. Lid for can-like container and method for making an easily opened container lid
US5156273A (en) * 1992-04-28 1992-10-20 Empak, Inc. Stackable composite lid and container arrangement
US5246133A (en) * 1991-09-16 1993-09-21 Sealright Co., Inc. Injection molded lid with window

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US515627A (en) * 1894-02-27 William sykes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094359A2 (en) * 1982-05-10 1983-11-16 AB Akerlund & Rausing A container closure
US4529100A (en) * 1983-03-22 1985-07-16 A/S Haustrup Plastic Container and sealed closure means
US5059360A (en) * 1988-04-07 1991-10-22 Showa Denko K.K. Lid for can-like container and method for making an easily opened container lid
JPH0285147A (en) * 1988-09-19 1990-03-26 Showa Denko Kk Easy-to-open lid made of plastic
JPH02191162A (en) * 1988-11-30 1990-07-27 Showa Denko Kk Can type container lid and its manufacture
US5246133A (en) * 1991-09-16 1993-09-21 Sealright Co., Inc. Injection molded lid with window
US5156273A (en) * 1992-04-28 1992-10-20 Empak, Inc. Stackable composite lid and container arrangement

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 277 (M - 0985) 15 June 1990 (1990-06-15) *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 478 (M - 1036) 18 October 1990 (1990-10-18) *
See also references of EP0752372A1 *

Also Published As

Publication number Publication date
EP0752372A1 (en) 1997-01-08
AU4392096A (en) 1996-07-31
ES2093552B1 (en) 1997-07-01
ES2093552A1 (en) 1996-12-16

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