ES2885848T3 - Film cutting and storage box - Google Patents

Abstract

A film storage and cutting box (1) that cuts the roll-form film into desired sizes and includes - a first body (2) that carries the roll-form film, - a second body (3) that joins to the first body (2) from one of its edges in such a way as to allow its rotation on this edge and as a result of this rotational movement, the second body (3) compresses the film on the cutting part of the first body (2) to cut the portion of the film that is separated from the roll, - a third body (4) that holds the portion of the film that is separated from the roll and is placed in the volume between the first body (2) and the second body (3 ), - a blade (5) placed in one of the cutting parts, - tension walls that are placed close to the blade (5) in the cutting parts and - a third body (4) including an edge (6) whose distance to the axis of the roll is greater than the maximum radius of the roll and a clamping surface (7) that is located enters along a convex curve between the tension edge (6) and the closed position tip of the inner wall characterized with a blade (5) placed on the first body (2); first tension walls (8) that are placed close to the blade (5) when they are closed on the second body (3); second tension walls (9) that are placed close to the first tension walls (8) and have the same size as the blade (5); and a third tension wall (10) which is the same size as the first tension walls (8) and is positioned close to the second tension walls (9) when closed.

Description

DESCRIPTION

Storage box and film cutting

technical field

The present invention relates to a film cutting and storage box which cuts roll-form films, especially flexible films such as stretch films into desired dimensions.

State of the art

Some tools have been developed, which direct films in roll form to a cutting edge, in order to cut stretch films and similar films to desired dimensions.

In document number FR2909081A1, a cutting tool is explained which works in such a way that pulling the film from the mouth of the camera results in tensioning of the film and then the film was cut by pressing the film on this cutting tool.

In the document numbered CN201665447U, a cutting tool is explained that includes a blade in a cap, walls on each side of the blade and two walls on the opposite side that help to cut when pressed between these walls.

In document number WO2014082233A1, a cutting tool is explained that cuts a film that is spread over a sill by a blade on a lid when this blade is pressed between two walls on the opposite side. Document EP 1 507 729 discloses a film storage and cutting box according to the preamble of claim 1.

The objective and brief description of the invention.

The object of the present invention is to develop a film cutting and storage box which provides cutting of flexible films like stretch films in a convenient way and stores this film without piling up on its own and is ready for the next cut.

For the purposes of the present invention, three bodies were developed. The first body carries the film in the form of a roll, the second body closes on the first body and during closing presses the part of the film, which was separated from the roll to be cut, on the cutting blade on the first body, and the third body transmits the film in a tight way to the cutter part and prevents them from bunching up backwards. Thanks to the curved structure of the third body, the film was stretched in the third body during the cutting process and the film stays in the third body instead of bunching up after cutting.

The film cutting and storage box which was developed within the scope of the present invention can be manufactured in a block and without using a core.

Description of the figures that define the present invention

The figures and related explanations used for a better explanation of the film storage and cutting box, which was developed with the present invention, are as follows:

Figure-1 Isometric view of the storage box and film section related to the present invention.

Figure-2 Front view of the storage box and film section.

Figure-3 Top view of the storage box and film cut.

Figure-4 Side view of the storage box and film section.

Figure-5 Side view of the storage box and film cut while it is open.

Figure-6 Sectional side view of the storage box and film cut

Figure-7 Side sectional view of the third body.

Figure-8 Top isometric view of the cutting and storage box in an exploded state with the film in roll form.

Figure-9 Bottom isometric view of the cutting and storage box in an exploded state with the film in roll form.

Figure-10 Joint isometric view of the first, second and third body during the production of the storage and cutting box.

Figure-11 Top view of the components of figure-10.

Figure-12 Sectional side view of the components of figure-10.

Figure 13 Isometric view of the storage box and film section related to the present invention. Figure-14 Side isometric view of the storage box and film cut in figure-13.

Figure 15 Lateral isometric view of the third body of figure 13.

Figure 16 Isometric view of the storage box and film section related to the present invention. Figure 17 Side isometric view of the storage box and film cut in figure 16.

Figure 18 Lateral isometric view of the third body of figure 16.

Figure 19 Isometric view of the storage box and film section related to the present invention. Figure-20 Side isometric view of the storage box and film cut in figure-19.

Figure 21 Lateral isometric view of the third body of figure 19.

Figure 22 Isometric view of the storage box and film section related to the present invention. Figure-23 Side isometric view of the storage box and film cut in figure-22.

Figure 24 Lateral isometric view of the third body in figure 22.

Descriptions of the elements that form the present invention

For a better explanation of the film cutting and storage box, which was developed with the present invention, the parts in the figures are numbered, the corresponding names are given below:

1. Storage box and film cutting

2. First body

3. Second body

4. Third body

5. blade

6. Edge tension

7. Clamping surface

8. First tension wall

9. Second wall of tension

10. Third wall tension

11. Roll bed

12. Lock hole

13. Lock boss

14. Paw

15. Slot

Detailed explanation of the present invention

The film storage and cutting box (1) that cuts film in roll form in the desired dimensions basically includes:

- First body (2) that carries the film in the form of a roll,

- Second body (3) that adheres to the first body and can rotate around the first body, so that with this rotational movement the second body (2) can press the separated part of the film roll towards the cutting edge of the first body (2) in order to cut the film,

- Third body (4) that resides in the volume between the first body (2) and the second body (3), and holds the separate part of the film reel,

- A blade (5) that is placed on one of the cutting parts, and

- Tension walls in the cutting parts that are on the sides of the blade (5).

One of the positions of the second body (3), while the movement during it rotates around the first body (2), is the intersection of its edges. In this position, which will be referred to as the closed position in the explanations of the invention, the film cutting and storage box 1 cuts the film and provides preservation of the film to protect it from the outside environment.

The third body (4) resides between the second body (3) and the roll film carried by the first body (2). The third body (4) stretches the separated portion of the film roll while holding it away from the roll surface. Therefore, the third body (4) has a pulling edge (6) whose distance from the axis of the roll is greater than the maximum radius of the roll. In addition, the third body (4) contains a clamping surface (7) that lies along a convex curve between the tension edge (6) and the closed position tip of the inner wall.

According to the prior art, the stretched film to be cut on the third body (4), after the cutting operation, releases the cut edge and accumulates through the tension edge (6). However, in this invention, the third body (4), which has a clamping surface (7), prevents the accumulation of the cut film. Thanks to the curved structure of the clamping surface (7), the film sits on the clamping surface (7) during the cutting operation. Therefore, after the release of the cutting edge of the film, with the friction between the holding surface 7 and the film, bunching of the film is prevented. After the cutting process, the film remaining on the holding surface 7 can be easily prepared for the next cut by being held by a user.

In a preferred embodiment of the present invention, the blade (5) is placed on the first body (2). In a closed position in the second body (3), there are two first tension walls (8) at the sides of the blade (5) present. The first tension walls (5) compress the film towards the blade (5) during the cutting process. In the closed position on the first body (2), second tension walls (9) with the same dimension as the blade (5) are present. The second tension walls (9) allow the perpendicular and tense fastening of the film compressed by the first tension walls (8) to the blade (5). In the closed position on the second body (3), a third tension wall (10) is present, which is located close to the second tension walls (9) and with the same size as the first tension walls (8). The second tension walls (9) interposed between the first tension walls (8) and the third tension walls (10) cause a deformation at the ends of these walls by stretching the film. With the help of the aforementioned deformation, the immobility of the film to be cut during the closing of the second body (3) is ensured. This immobility is equally important for the inner or rolled side of the blade (5) and the film that remains on the outside. If the immobility situation mentioned above is not reflected on both sides in a balanced way, the cut may be curvilinear and angular instead of straight. Therefore, the heights of the tension wall components on the inner and outer sides are equal so that the total length of the film they cut will be equal to each other.

In addition to the stretching effect that is created by the equality of the tension walls, it is also required that the traction movement applied by the user be produced equally by the cutting of the film and the storage box. To do this, in order to take advantage of the friction effect created by the convexity of the third body (4) that allows the film to reach the internal tension walls, the third internal tension wall (10) is compressed tangentially to the third body (4).

There are roll beds (11) on the inner surface of the first body (2) and the surface of the third body (4) facing the first body (2). The roll beds (11) support the film in the form of a roll at its ends in a way that allows free rotation of the film.

In order to place the roll carrying the film in the form of a roll in the film storage and cutting box (1), the third body (4) can be opened after the opening of the second body (3). To allow opening, the third body (4) can be attached to the first body (2) in such a way that it can rotate around one side of the first body (2) or in such a way that the first body (2) can be removed from the position in which it is attached. After the placement of the roll carrying the film in the film storage and cutting box (1), for stabilization, a locking device can be used that couples the third body (4) to the first body (2). The blocking elements are at least one blocking projection (13) that sits in the blocking hole (12) and is placed on the third body (4) and at least one blocking hole (12) that will preferably be located in the first body (2).

In order to use the film storage and cutting box (1) on a surface such as a counter, it may include legs (14) connected to the first body (2). The film cutting and storage box (1) can also include slots (15) located in the first body (2) to facilitate its use by the user.

The film storage and cutting box (1) preferably includes a first body (2), a second body (3) and a third body (4) preferably made of plastic in a single piece. During manufacturing, the use of cores is not required. In Figure 9 and Figure 11, a first body (2), a second body (3) and a third body (4) are shown mutually manufactured. For the production of the film storage and cutting box (1), the third body (4) and the second body (3) are first folded over the first body (2) after removing it from the block. The folding lines form the parts of the second body (3) and third body (4) that joins the first body (2) in such a way as to allow its rotation according to the first body (2).

Claims (2)

1. A film storage and cutting box (1) that cuts roll-form film into desired sizes and includes - first body (2) that carries the film in the form of a roll, - a second body (3) that is attached to the first body (2) from one of its edges in such a way as to allow its rotation on this edge and as a result of this rotational movement, the second body (3) compresses the film on the cutting part of the first body (2) to cut the portion of the film that is separated from the roll, - a third body (4) that holds the portion of the film that is separated from the roll and placed in the volume between the first body (2) and the second body (3), - a blade (5) placed on one of the cutting parts, - tension walls that are placed near the blade (5) in the cutting parts and - a third body (4) including a tension edge (6) whose distance to the axis of the roll is greater than the maximum radius of the roll and a clamping surface (7) lying along a convex curve between the edge (6) of tension and the closed position tip of the inner wall characterized with a blade (5) placed on the first body (2); first tension walls (8) that are placed close to the blade (5) when they are closed on the second body (3); second tension walls (9) that are placed close to the first tension walls (8) and have the same size as the blade (5); and a third tension wall (10) which is the same size as the first tension walls (8) and is positioned close to the second tension walls (9) when closed. Box (1) for storage and film cutting according to claim 1, characterized by a first body (2), a second body (3) and a third body (4) that can be made of plastic and made of plastic. together in one block.