DE102008002980A1 - Plastic container with lid - Google Patents

Abstract

The invention discloses a plastic container (1), in particular for packaging food and / or other articles of everyday use, with a closure lid (10) which is attached to a peripheral upper container edge (5) of the plastic container (1) and the one integrated , Removable Aufreißdeckel (12) having at least one handle member (13) for manual opening. It is envisaged that the closure lid (10) with the integrated tear-open lid (12) is made of plastic, in particular of the same plastic material as the plastic container (1).

Description

The The present invention relates to a made of a plastic Container, in particular for packaging foodstuffs and / or other everyday objects, with a closure lid attached to a peripheral upper edge of the container the plastic container is attached and the one integrated removable tear-open lid with at least one handle element for manual opening.

such Containers have long been known but are common made of metal and have a metallic lid. Farther are closures for plastic containers known, which can be opened without aids. For example are simple closures for plastic containers, which consist of peelable metal foils, in yogurt cups u. ä. widespread. Metal fasteners, which are a handle element and have a notch as a predetermined breaking point, are also known for example, from beverage cans or peanut packaging. such Metal closures have been mainly for closing used by metal cans.

To open such metal lid, the handle member is raised, whereby the thin metal layer in the area of the notch or other Breakage point on the handle element breaks. At least one notch or predetermined breaking point delimits an area in the lid, within which attacks the handle element, and by simply pulling can be removed on the handle element, wherein the metal layer in entire notch or predetermined breaking point area is severed. A significant disadvantage of such easy-to-open Metal lid is that the example notched lid area, which remains on the container, has sharp edges, which pose a great risk of injury.

Moreover, from the Scriptures DE 20 2004 018 638 U1 Also plastic container with an easy-open lid made of metal known. The mechanism is the same as just mentioned. There is a pull-tab with a handle element which can be removed by simply pulling it from the container. In this known plastic container, the closure lid made of metal, so that there is no sort purity with respect to a recycling after use. The different materials have to be separated from one another and then assigned to different recycling processes, for example a plastics recycling and a special recycling of the metal residues. Likewise, the use of a plastic container with a metal closure requires a relatively expensive closing mechanism. For this purpose, the edges of the metal lid must be closed by crimping with the plastic container in order to assume a safe closure and compression can.

Of the present invention is based on the object, a plastic container to provide with a closure lid that inexpensive to produce and as complete as possible is recyclable.

The above object is with the subject of the independent Patent claim solved. Features of advantageous embodiments and further developments emerge from the dependent claims.

the According to the present invention comprises a made of a plastic container of the beginning described type. The plastic container has a closure lid with an integrated plastic pull-tab, in particular from the same plastic material as the plastic container is made. Containers and caps of the present Invention can be made of any plastic be. Preferably, they are made of PET, which is fully recyclable, odorless and tasteless and easy to work with. The container and / or the closure lid may be clear and / or cloudy and / or undyed and / or colored. Also They can be of any shape and size have, in particular round, oval, polygonal, etc.

moreover Both containers and caps can be replaced by any standard Processes are produced, for example by injection molding and / or by blow molding. For the production of a container by means of a blow molding machine may be from the use of commercial Preforms, also called preforms, are assumed. It can be the Containers in different sizes and diameters are produced. The desired shape and Impression of the container is achieved by blow molding. The plastic preforms are inflated in a mold and by the compressed air he puts himself inside the mold and holds these on cooling.

The Thread of the preform, which is not for a plastic container with a closure lid is needed, can be separated and recycled. This separated material is easy to recycle and can therefore be used Manufacturing process of new plastic parts are supplied.

The closure cap is preferably made slightly larger than the diameter of the opening of the plastic container. The edge region of the closure lid is preferably shaped such that it has a flat projection in shape and size e of the inner edge of the opening of the plastic container, so that it can not only on the flattened edge, but can be inserted into the opening of the plastic container and thereby already undergoes a slight positional fixation by he can not slip sideways. This edge region of the closure lid has on the side facing the container, a shoulder which serves as anchoring of the closure lid with the container. For this purpose, the upper edge of the opening of the plastic container can be enclosed in the paragraph and also gives a fixation.

As well the edge region of the closure lid is preferably at least light tilted outwards. By connecting the cap with the upper edge of the opening of the plastic container creates a flattened at the bottom edge area, which as Junction can be used. Preferably, this is a Weld seam attached around the flattened edge area. The weld joint can be circumferential or interrupted, be designed as a spot weld. There are different ones Weld joint types, in particular for Welding of plastics, such as friction welding, Resistance welding, ultrasonic welding etc.

Below The integrated tear-open lid has a protective foil attached. Under a film or a protective film is in the present Invention any flexible type of homogeneous, thin, water-impermeable Understood materials that come as a foil in question. Preferably the film is made of plastic or aluminum; for example When using an aluminum foil, this can with an additional Plastic coating are coated. Also another laminated or coated material such as a coated and / or laminated paper layer comes as a sealing cover in question.

As a general rule This film is used to seal the container with the Cap. This is the diameter of the film slightly larger than the diameter of the tear-open lid selected. This supernatant of the film may preferably be used as adhesive or welding edge by the Edge connected to the lower lid edge of the closure lid, preferably glued or welded. The connection By welding brings the advantage that no solvents the adhesive with the article, which is in the plastic container, be brought into contact.

A Such connection of a closure lid with a protective film and the opening of the plastic container can be absolutely be made airtight and also holds great For example, this connection is through an internal pressure of up to about 8 bar in the container, such as in containers with carbon dioxide displaced ingredients can prevail, not solved or relaxed. Also, it is conceivable that by using a more stable film the connection even higher pressure ranges withstand.

One for closing an inventive Plastic container used closure lid has at least one grip element, for example a trapezoidal like Element, a pull-tab, a pull-tab or similar, for gripping the lid, for example by the intervention of a finger, and for subsequent removal of the interior of the lid on. In addition, such a closure lid at least a breaking point between the tear-open lid and lid edge on, at the tear-open lid during opening is severed. Such a predetermined breaking point can be attached to a handle element, For example, be attached to a tongue-like shape, wherein this forms the front portion of the handle element.

These Predetermined breaking points also have a kind of sealing function. It will noted that a guarantee of a sealed container is present if all predetermined breaking points are still closed and have no breakages.

The Handle element is pivotable with at least one attachment point anchored to the tear-open lid. This attachment point can be designed as anchored hinge area and is used for easy opening of the plastic container. Opening the plastic container thus requires a manual leverage, which generates in the form of a power transmission becomes. This leverage is provided by the anchoring points of the Attachment points that are attached as a fulcrum on the handle element are manufactured. These attachment points are closer arranged at the front portion of the handle member, thus a to generate greater leverage. A center of the lid zuweisender rear handle portion, is for manual operation of the opening thought. This Rear handle section can be pulled upwards or raised.

at raised rear handle section pushes the tongue-like front section down on the protective film and / or rips this up. The grip element on the tear-open is in the opposite direction of the opening of the plastic container pulled away and tears the film completely on. While the opening of the plastic container can while still more predetermined breaking points are broken, the Tear open completely separated from the cover wheel becomes.

The Aufreißdeckel points to protect the Fo preferably still an additional cover. This cover is mounted below the handle member and may be thinner than the Aufreißdeckel itself. The connection between the cover and the Aufreißdeckel is z. B. at a connection point to the anchored hinge region of the handle element. This cover is preferably intended to ensure that the protective film underneath is not accidentally injured with the finger or another pointed object on the tear-open when lifting the handle member. The shape of the cover forms a reduced shape of the eyelet of the handle element, which is shown in the present embodiment as a trapeze.

about the closure lid of the plastic container can be a Protective cover attached and / or locked. A possibility the attachment consists in the protective cover by means of a Film hinge is attached to the upper edge of the container. This protective cover can thus be combined with the Produce cap in a manufacturing process and is preferably made of the same plastic material as the plastic container made, but there are also other materials conceivable. Also exists the possibility of the protective cover only on the cap to raise, without the possibility him at the container to fix. This cover serves to keep the container is again lockable, making it as universal Container, for example as a household container can be used further and therefore no deposit required is.

One Plastic container according to the present Invention can be an airtight, odorless and tasteless Provide packaging that is easy anytime and can be opened without auxiliary devices. The at such Arrangements frequently occurring sharp-edged projections at the open upper edge region of the container are excluded according to the present invention, so that a risk of injury by rounded edges of the lid edge is avoided. Such an invention Container can therefore safely be used as packaging for Any product can be used and can also be, for example get into children's hands.

in the Below are embodiments of the invention and their advantages with reference to the accompanying figures closer explain. Other features, objectives and advantages of the present The invention will become apparent from the following detailed description a preferred embodiment of the invention, the as a non-limiting example and to the attached Drawings reference.

1 shows a schematic view of a plastic container according to the invention.

1a shows a section A from the 1 in an enlarged view.

2 shows a perspective view of the opened cover.

3 shows a schematic plan view of the closure lid.

4 shows a cross section through the plastic container along a section line AA 1 ,

4a shows the section B from the 4 in an enlarged view.

5 shows a cross section through the plastic container.

For the same or equivalent elements of the invention will be identical Reference numeral used. Furthermore, for clarity's sake only reference numerals in the individual figures shown for the description of the respective figure are required. The illustrated Embodiments merely provide examples such as the Inventive device or the invention Procedures can be designed and provide no final Limitation.

1 shows the upper part of a container 1 with a closure lid 10 , The container 1 and the cap 10 are made of any plastic, preferably PET. On top of the container 1 an opening 8th on that with a cap 10 is closed. The cap 10 sits down from a lid edge 11 and a tear-open lid 12 together. The tear-open lid 12 has a handle element 13 on, within the middle, flat area of the tear-open lid 12 is arranged.

1a shows an enlarged section of the handle member 13 from the 1 , The grip element 13 has approximately the shape of an isosceles trapezium, wherein the two inner angles are equal on the parallel sides. It follows that also the inner angles at the other of the parallel sides are the same size. To better open the plastic container 1 to ensure, is a recessed grip 15 centered in the area of the tear-open lid 12 behind the handle element 13 being considered. The grip element 13 has a tongue in extension 14 on that with a breaking point 21 at the lid edge 11 the closure lid 10 is appropriate. In addition, the handle element 13 with attachment points that act as an anchored hinge area 16 on the tear-off lid 12 are formed on the handle element 13 is introduced.

To open such a tear-open lid 12 No aid is required. The grip element 13 can at the rear handle section 23 lifted with a finger, the first breaking point 21 breaks. Trains 14 the front handle section 24 gets into the interior of the plastic container 1 pressed. In this approach, a leverage, generated in the form of a power transmission. This leverage is provided by the anchored hinge area 16 acting as the fulcrum of the handle element 13 serves, manufactured. This anchored hinge area 16 is closer to the front handle section 24 of the handle element 13 arranged so as to produce a greater leverage effect.

2 shows that by pulling on the rear handle portion 24 of the handle element 13 , in the opposite direction of the opening 8th of the plastic container 1 , then the entire tear-open lid 12 from the lid edge 11 the closure lid 10 solves. This will be a protective film 30 extending below the cap 10 is located, disconnected from their connection. By a rounded edge 17 the lid edge 11 and the tear-open lid 12 can not be cut after the opening operation.

3 shows the possible attachment of predetermined breaking points 20 , With little effort, the first predetermined breaking point 21 and the further, preferably two predetermined breaking points 22 to get broken. The tear-open lid 12 This will result in its connection with the edge of the lid 11 separated. The second predetermined breaking points 22 are preferably opposite the first predetermined breaking point 21 offset.

Out 3 is a cover 32 recognizable. This cover 32 is below the handle element 13 attached and serves to protect the film 30 while opening the container 1 , The connection of the cover 32 and the tear-open lid 12 lies at the junction of the anchored hinge area 16 of the handle element 13 ,

4 shows how the protective film 30 in this system of plastic container 1 with a closure lid 10 is integrated. The protective film 30 is between the bottom of the lid edge 18 . 11 and the lower container rim 6 of the plastic container 1 attached, preferably the protective film 30 with a predicted adhesive or welding edge ( 31 not in 4 shown) on the underside of the lid edge 18 . 11 glued or welded.

4a shows an enlarged section of the connection between the plastic container 1 , the lid edge 11 and the protective film 30 , The protective film 30 adheres to the underside of the lid edge 18 . 11 to the closure lid 10 with the plastic container 1 to be compacted, the lid edge 11 on which the protective film 30 sticks, with the plastic container 1 welded. The cap 10 gets to the plastic container 1 pressed and then with a weld 7 connected. The weld 7 is between the lid edge 11 and the upper container rim 5 of the plastic container 1 appropriate.

5 shows a protective cover 3 , which subsequently put on and - the edge of the lid 11 comprehensive - can be locked. The protective cover 3 can after removing the tear-open lid 12 serve the container 1 close again, so that it can be used as a universal container, for example as a household container on. The protective cover 3 can optionally with a film hinge (not shown in the drawing) on the cap 10 to be appropriate.

The Invention has been described with reference to a preferred embodiment described. However, it is conceivable for a person skilled in the art that made modifications or changes of the invention can, without losing the scope of the following To leave claims.

1

Plastic containers

2

Plastic wall

3

protective cover

4

film hinge

5

Oberer Container edge (of the plastic container)

6

lower Container edge (of the plastic container)

7

Weld

8th

opening

10

cap

11

cover edge

12

The easy open

13

handle element

14

tongue

15

grip

16

anchored Hinge area / attachment points

17

rounded edge

18

bottom cover edge

19

top cover edge

20

Breaking point

21

First Breaking point

22

Second Breaking point

23

rear handle portion

24

front handle portion

30

protector

31

Adhesive / welding edge (the protective film)

32

cover

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 202004018638 U1 [0004]

Claims (19)

Plastic container ( 1 ), in particular for packaging food and / or other articles of daily use, with a closure lid ( 10 ), which at a circumferential upper container edge ( 5 ) of the plastic container ( 1 ) and an integrated, removable tear-open lid ( 12 ) with at least one handle element ( 13 ) for manual opening, characterized in that the closure lid ( 10 ) with the integrated tear-open lid ( 12 ) made of plastic, in particular of the same plastic material as the plastic container ( 1 ), is made. Plastic container ( 1 ) according to claim 1, characterized in that the closure lid ( 10 ) with the integrated tear-open lid ( 12 ) a lid edge ( 11 ) fixed to the upper edge of the container ( 5 ) is connected. Plastic container ( 1 ) according to claim 1 to 2, characterized in that the lid edge ( 11 ) by means of a circumferential or interrupted weld ( 7 ) at the upper edge of the container ( 5 ) is attached. Plastic container ( 1 ) according to one of the preceding claims, characterized in that between Aufreißdeckel ( 12 ) and lid edge ( 11 ) at least one predetermined breaking point ( 20 . 21 ) is provided. Plastic container ( 1 ) according to claim 1 to 4, characterized in that the handle element ( 13 ) one of the predetermined breaking point ( 21 ) assigned. Plastic container ( 1 ) according to claim 5, characterized in that the grip element ( 13 ) pivotable on the tear-open lid ( 12 ) is anchored. Plastic container ( 1 ) according to claim 1 to 6, characterized in that below the integrated tear-open ( 12 ) a protective film ( 25 ) is attached. Plastic container ( 1 ) according to claim 7, characterized in that the protective film ( 30 ) between the underside of the lid edge ( 18 ) of the closure lid ( 10 ) and the lower container edge ( 6 ) is attached. Plastic container ( 1 ) according to claim 7 to 8, characterized in that the protective film ( 30 ) with the underside of the lid edge ( 18 ) is glued or welded. Plastic container ( 1 ) according to claim 5 to 9, characterized in that the handle element ( 13 ) a tongue-like, the lid edge ( 11 ) assigning front handle portion ( 24 ), one at Aufreißdeckel ( 12 ) anchored hinge area ( 16 ) and a lid center assigning rear handle portion ( 23 ) which can be manually pulled up / raised. Plastic container ( 1 ) according to claim 10, characterized in that when raised rear handle portion ( 23 ) the tongue-like, front handle portion ( 24 ) on the protective film ( 30 ) pushes and / or tears it open. Plastic container ( 1 ) according to claim 10 to 11, characterized in that by pulling the handle element ( 13 ) from the opening ( 8th ) the foil ( 30 ) rupturable and / or second predetermined breaking points ( 21 ) breakable, wherein the tear-open ( 12 ) completely from the lid edge ( 11 ) is separable. Plastic container ( 1 ) according to claim one of the preceding claims, characterized in that the closure lid ( 10 ) with one, over the closure lid ( 10 ) attachable and / or latchable protective cover ( 3 ) provided with a film hinge ( 4 ) at the upper edge of the container ( 5 ) is fastened. Plastic container ( 1 ) according to claim 13, characterized in that the protective cover ( 3 ) by a separate attachment to the closure lid ( 10 ) is attachable. Plastic container ( 1 ) according to claim 13 to 14, characterized in that the protective cover ( 3 ) made of plastic, in particular of the same plastic material as the plastic container ( 1 ), is made. Plastic container ( 1 ) according to one of the preceding claims, characterized in that the container ( 1 ) of blow-molded thermoplastic and the closure lid ( 10 ) consists of injection-molded thermoplastic material. Plastic container ( 1 ) according to one of the preceding claims, characterized in that the dummy seam connection ( 7 ) is produced by means of friction welding or resistance welding or ultrasonic welding. Plastic container ( 1 ) according to one of the preceding claims, characterized in that the containers ( 1 ) and / or closure lid ( 10 ) has a round or oval or polygonal shape. Method of opening a container according to one of Claims 1 to 18, characterized by the following steps: - lifting the grip element ( 13 ) at the rear handle portion ( 23 ), - associated pressing of the tongue ( 14 ), the front handle portion ( 24 ) down by lifting the rear handle portion ( 23 ), wherein the first predetermined breaking point ( 21 ) breaks, - puncture and / or tearing of the protective film ( 30 ) by pressing the tongue-like front grip portion ( 24 ) down on this, - tearing the protective film ( 30 ) by pulling the handle element ( 13 ) from the opening ( 8th ) of the plastic container ( 1 ) and severing the second predetermined breaking points ( 21 ), - removing the tear-open lid ( 12 ) and its complete separation from the edge of the lid ( 11 ).