JP2736218B2 - Chemical bottle closing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a closure device for a medicine bottle, comprising a sealing member made of a polymer material which is fitted over an opening of the medicine bottle, the sealing member comprising: A metal folding flap being pressed against the opening of the medicine bottle, the folding flap being provided with a break in its bottom area and separating at least one outer peripheral area in an edge area. And the folding flap has a tongue which protrudes into the tear, the tongue having a sharp corner with a transition to the bottom of the folding flap. A tongue base and a tip of the tongue fixed to a metal sheet covering the entirety of the torn portion, and the metal sheet is configured to be removable by hand on the side opposite to the tongue. On of the type it is.

A closure device of this type is known from German Utility Model Registration No. 1938020. This known closure device is mainly composed of three parts and has a seal insert and a reinforcing disk located on the seal insert and arranged in the direction of the tear-off capsule. On the side of the closure device opposite the bottle, the tear-off capsule is provided with a tear-off tongue. The reinforcing disc compensates for pressure changes in the container to be closed,
Used to equalize manufacturing tolerances for seal inserts. In the bottom region of the tear-off capsule, a cut-out for a tear-off tongue is arranged. The tear-off tongue protrudes from the bottom surface of the tear-off capsule, so that the tear-off tongue can optionally be removed from the bottle neck. However, the provision of a reinforcing disk that completely covers the neck of the bottle and the seal insert makes it difficult and relatively cumbersome to remove the contents of the container.

The Federal Republic of Germany registered utility model No. 8906
According to 346, a device for closing a medicine bottle is known. The known closure device has a closure cap, which seals the pierceable sealing part against the vial opening. The closure cap is provided with a notch, which is covered by a pierceable sheet, for example of plastic or metal. The sheet is passed through the needle to remove the contents of the container. According to another configuration, the closure sheet is removed from the closure cap before use of the medicine bottle. Such an arrangement is provided for thick sheet material, which comprises a gripping tongue that protrudes beyond the outer peripheral edge of the closure cap. As a result, the sheet is inadvertently partially detached from the closure cap, so that a sterile and reliable seal is no longer guaranteed.

[0004] German Patent Publication No. 390 959 A1
According to EP 0 098 067 a drug bottle is known which has a curving cap with a central notch (closed by a plastic cap). To remove the contents from the drug bottle, the plastic cap is completely removed, so that the needle can be passed through the resilient seal. However, this known closure device is difficult to handle due to the welded plastic cap and closure cap.

[0005] Also, German Patent No. 32412 is known.
No. 83 discloses a closure device which is made of an elastically deformable and needle-pierceable material,
A ring made of synthetic resin, which presses the closure against the opening of the container or bottle by preloading the closure in the axial direction. The ring is folded over the neck of the bottle (neck of the bottle) and has a through hole in the center, which is covered by a shredable lid. In order to keep the surface of the closure plug free of dirt, the lid is fixed to the ring in an airtight and shreddable manner. Such an arrangement assures a sterile seal on the one hand and allows the user to immediately tear or remove the lid. However, this type of closure device is not sufficiently satisfactory from a technical and economic point of view. A sterile seal between the lid and the closure plug is only guaranteed if the closure device is manufactured very precisely. In particular, there is a problem in storing chemicals for a long period of time. Because the ring has a relaxation phenomenon over time, a satisfactory seal cannot be reliably obtained.

[0006]

SUMMARY OF THE INVENTION The object of the present invention is to improve a closure device of the type mentioned at the outset so that the medicine bottle is well sealed over a long service life and easy to handle. Is to provide things.

[0007]

According to the present invention which solves this problem, a metal sheet is bonded on the bottom of the folding flap, and the metal sheet and the tip of the tongue piece are connected by a bonding area. The outer bonding area has an extension that annularly surrounds the tear, and the metal sheet has a tongue tongue located outside the bonding area to facilitate lifting of the metal sheet. .

[0008]

The closure device according to the invention is particularly simple to handle. The metal sheet is fixed to a folded flap (for example made of aluminum) in the annular bottom area,
For example, it is made of an aluminum sheet material. The metal sheet is adapted to be folded in a direction towards the tongue to expose the tear and the underlying sealing member made of a soft elastic polymer material, and the metal sheet is folded. The contents of the medicine bottle are taken out by piercing the injection needle into the sheet member. The metal sheet and the folding flap are permanently connected in the area of the tongue, whereby the metal sheet is pulled further in the direction of the shredder beyond the tear in order to remove the closure from the medicine bottle. Thus, together with the tongue, it can be separated from the folding flap over the bottom edge area and the axially adjacent bin edge. The folded flap, which has been separated radially at the circumferential point, can then be safely separated from the bottle neck and reused, as can the freely treated sealing element.

The metal sheet and the tip of the tongue can be connected by an adhesive area. The adhesive strength of the adhesive and the material thickness of the folding flap are adapted to one another so that the folding flap can be torn without breaking the bond between the metal sheet and the tongue tip. The adhesive is preferably a melt adhesive (Schmelzkleb)
er) is used. This molten adhesive is applied to the metal sheet material and / or the film-like material forming the folding flap, activated by heating in a known manner and temporarily to the extent necessary, and then cooled. It can be fixed or stabilized. It is particularly advantageous to use heated crimping equipment or pulsation welding.

[0010] In order to aseptically seal the closure device to the medicine bottle, the adhesive area is provided with an extension which annularly surrounds the tear. Furthermore, in order to facilitate handling when the sheet material is torn apart, it may be advantageous if the bonding area is very narrow in the area of the extension and is possibly formed linearly. Do you get it. It is also possible for the bonding area to consist of bonding points adjacent to each other in the area having the tear, which is sufficient even if the chemical bottle is stored and used under strict control. is there. Furthermore, in the sealing gap (where one side of the sealing gap is limited by a free metal surface), the front region also has a blocking effect against the invasion of pathogens due to the sterilizing properties of the metal. This guarantees, under normal hygiene conditions, a sufficient sterility of the central area of the tear during typical storage periods, and a significantly reduced shredding process is obtained.

[0011] In order to facilitate the lifting of the metal sheet, the metal sheet is provided with a shredded tongue located outside the bonding area to facilitate the lifting of the metal sheet. In this case, the torn tongues consist of notched portions of a metal sheet. The bonding area in the region of the torn tongue is such that it can be easily lifted without the torn tongue turning up and exposing the tear at the bottom.

In this respect, it is advantageous if the surface of the bonding area, ie starting from the tongue, is enlarged in the circumferential direction in the direction of the tongue. In this way, good use is achieved in connection with easy opening of the tear and in connection with ensuring that the folding flange is separated in order to completely remove the closure device from the medicine bottle. Provides properties.

The thickness of the metal sheet used is from 8 μm to
It is 35 μm, preferably between 15 μm and 23 μm.

[0014] The metal sheet preferably has a shape that is adapted to the shape of the folding flap. In order to minimize the risk of injury to the handling operator, the bottom edge area, which limits the tear, is folded inwards and towards the outer periphery, which folds the folding flap. It is configured with sharp corners for easy separation. The material weakening line extends from the outer periphery to the edge area and is preferably formed from the bottom to the flange edge. The folding flap has at least one material weakening line,
The material weakening line extends from the tear point toward the outer edge thereof opposite the tongue. By completely pulling the metal sheet, when a part of the outer circumference of the bending flange is torn, both ends of the torn area are
The line of material weakening is opened from the tear to the outer edge, since only a small force is required to bend away from each other. The area of the cap rim located opposite the tongue,
A hinge in the form of a film hinge is formed, and this hinge forms a pivot point when bending the ends. When the tongue is torn from the fold flange, the fold flange is easily bent outwardly and can be easily removed from the bottle neck. The tear-off tongue may consist of a notched section of a metal sheet.

[0015]

1 shows a closing device for a medicine bottle 1. The medicine bottle 1 mainly comprises a sealing member 3 made of a polymer material. The sealing member 3 is pressed against the opening 2 of the medicine bottle 1 by a metal folding flap 4. A break 6 is provided in the center of the bottom 5 of the folding flap 4, the edge region 7 of which is bent towards the outer edge and the sealing member 3. Thus, the annular bottom 5 of the folding flap 4 has a smooth surface and the restriction at the break 6 is rounded, so that the person handling this medicament bottle is injured. It is considered not to stick. In the embodiment shown, the break 6 is aseptically sealed by a metal sheet 13 adhered to the bottom 5. The metal sheet 13, like the folding flap 4, is circular in its outer edge region. The bonding region 14 extends toward the outer peripheral portion and is formed in an annular shape. The bottom 5 of the folding flap 4 has a tongue 10 which is connected to its tongue base 11.
Is fixed to the folding flap 4, and its tongue tip 12 protrudes into the tearing point 6. The tongue base 11 is
The transition area of the folding flap 4 to the bottom 5 is formed with a sharp corner, and in this embodiment the entire surface of the tongue 10 is provided as a part of the bonding area 14. Tongue piece 1
On the side of the folding flap 4 opposite to 0, a shredded tongue 18 which lies outside the bonding area 14 is arranged, and this shredded tongue 18 cuts the edge or notch of the metal sheet 13. It consists of an attached part 19. The shredded tongue 18 is bounded by an adhesive area 14, which is a partial area on the outer periphery side opposite to the tongue 10, from the outer periphery of the folding flap 4 to the tearing point 6. And extends back toward the outer periphery again. The surface of the bonding area 14 is smaller in the area of the shredded tongue piece 18 than in the area extending along the outer periphery of the metal sheet 13.

The bending flap 4 has a material weakening line 16.
The material weakening line 16 is provided at the breaking point 6
And extends towards the outer edge 17 of the bottom 5. As a result, the entire closing device can be completely removed from the medicine bottle 1 with only a small force.
The material weakening line 16 forms a folded flap,
The cut is formed by a cut made in the deep-drawn metal sheet, and the cut has a V-shape or a key shape.

The metal sheet 13 starts with a torn tongue piece 18 which is adapted to be lifted by hand so that its notched portion 19 is pulled up towards the tongue piece 10. When the tear 6 is completely exposed, the contents of the medicine bottle 1 are removed, for example by means of a syringe. As the metal sheet is further displaced in the opening direction, the material of the folding flap 4 will be bin-projected over the outer edge 17 along the material weakening line 16 in the region of the outer perimeters 8, 9 formed by sharp corners. The tongue 10 is bent slightly upward until it is locked in the part. Depending on the shape of the material weakening line 16, when the metal sheet 13 is completely removed, the folding flap 4 is cut off in at least one area of the tear. If a further material weakening line 16 is provided in the region of the bottom 5 of the folding flap 4 on the opposite side of the tongue 10, in order to remove the folding flap 4, both ends of the separating area are closed It is bent away from the tongue 10 around a hinge configured as a film hinge until the whole can be removed without problems from the neck of the bottle.

The closure device according to the invention seals the contents of the medicine bottle 1 aseptically to the outside, possibly over a long period of time, and is simple and economical to manufacture. Can be. The closure device can be easily handled by the operator.

FIG. 3 shows a plan view of the folding flap 4 provided on the closing device shown in FIGS. This clearly shows the configuration of the bent flap made of the deep-drawn aluminum sheet. The folding flap has a wrap-around point in the area surrounding the tear point to avoid injury to the operator after removing the metal sheet. The folding flap is a tongue 10
In the edge regions of the cutouts on either side of the tongue, radially opposite the tongue, are provided with respective radial cuts, which continue into the material weakening line 16. All material weakening lines have a V-shaped or key-shaped cross-sectional shape. As a result, the tongue can be separated relatively easily from the folding flap, in which case the tongue is torn in the circumferential direction. The remaining part can then be easily folded upward in the circumferential direction and removed from the medicine bottle.

To further facilitate this process, the material weakening line may extend beyond the edge area of the cover surface of the folding flap to the lower limit of the folding flap. In this case, it is not necessary to change the force required to separate the radially outwardly continuous component on the tongue from the folding flap.

FIGS. 4 and 5 show two different configurations,
The opening and removing process of the medicine bottle closing device is shown. In the configuration shown in FIG. 4, the tongue is extended to ensure that the folding flap 4 is torn.
In this way, the sealing element 4 is protected in a particularly good manner from unintentional damage and a releasable connection between the metal sheet and the tongue is easily obtained. The position of the bonding area is indicated by diagonal lines crossing in the plan view at the lower left of the drawing. In the upper row of the drawing, FIG.
The process of grasping the metal sheet of the unbonded portion in the left portion of the figure shown on the left side of the upper row of FIG. 4 and lifting it up until the tearing point of the folding flap is completely exposed is shown. In this case, the tongue is bent in the region of the base of the tongue and the medicine can be removed by inserting the needle of the syringe into the sheet member 4. On the right side of the upper row, it is shown how turning the metal sheet connected to the tongue further to the right causes the folding flap to be torn and completely separated in the edge area.
In this case, the tongue and the metal sheet are separated from the folding flap. Then, still in the medicine bottle,
The folded flap portion is opened to the left as shown in the lower right plan view and removed from the drug bottle. This exposes the sealing member as well and can be discarded separately.

The above disassembly process is repeated in a similar manner in FIG. The metal sheet is configured in a bowl shape,
It is fitted over the folding flap, which gives a good appearance and in the edge region the upper side of the folding flap can be well protected against dirt. The closure device according to the invention offers significant advantages from a sanitary point of view.

[Brief description of the drawings]

1 is a longitudinal sectional view of a mouth portion of a medicine bottle closed by a closing device according to an embodiment of the present invention;

FIG. 2 is a plan view of the closing device shown in FIG. 1;

FIG. 3 is a plan view of a folding flap provided in the closing device shown in FIGS. 1 and 2;

FIG. 4 is a partial longitudinal sectional view and a plan view showing a process of opening and removing a closing device according to an embodiment.

FIG. 5 is a partial longitudinal sectional view and a plan view showing a process of opening and removing a closing device according to another embodiment.

[Explanation of symbols]

1 bottle for medicine, 2 opening, 3 sheet member,
4 folding flap, 5 bottom, 6 tear,
7 edge region, 8, 9 outer peripheral portion, 10 tongue, 11 tongue base, 12 tongue tip, 13
Metal sheet, 14 bonding area, 16 material weakening line, 17 outer edge, 18 shredded tongue, 19
Metal sheet parts

Claims (3)

(57) [Claims] 1. A closure device for a medicine bottle, comprising:
A seal member made of a polymer material is fitted over the opening of the medicine bottle, and the seal member includes:
A metal folding flap pressed against the opening of the medicine bottle, the folding flap being provided with a break in its bottom area , and a separation point in an edge area of at least one outer peripheral part ; in is adapted to be separated, folded flaps (4)
It has a tongue (10) which protrudes into the tearing point (6), this tongue (10) being at the bottom of the folding flap (4).
A tongue base (11) formed into a sharp corner with a transition range to the part (5); and a tongue tip (12) fixed to a metal sheet (13) covering the entirety of the tearing point (6). the has the metal sheet (13), also the format and tongue (10) that is configured to removably by the hand on the opposite side
The metal sheet (13) is at the bottom of the folded flap (4)
(5) A metal sheet (13) and a tongue piece adhered on the
The tip (12) is connected by the bonding area (14)
And the bonding area (14) makes the tearing point (6) annular.
It has a surrounding extension (15) and a metal sheet (1).
3) To facilitate lifting of this metal sheet
Shredded tongue located outside the adhesive area (14)
(18) A medicine bottle closing device characterized by comprising (18) . 2. The folding flap (4) is connected to a separation point.
To have at least one weakened line (16), the weakened line (16), its outer edge from breaking point (6) on the opposite side to the tongue (10) to (17) headed extend claim 1 Symbol placement of the closure device. 3. Pull shredded tongue (18) is a metal sheet is made from indentations of Tagged portion (13) (19), the closure device according to claim 1 or 2, wherein.