WO2015169651A1

WO2015169651A1 - Container and method for producing same

Info

Publication number: WO2015169651A1
Application number: PCT/EP2015/059238
Authority: WO
Inventors: Matthias Schneider
Original assignee: Sanner Gmbh
Priority date: 2014-05-08
Filing date: 2015-04-28
Publication date: 2015-11-12
Also published as: DE102014106507A1

Abstract

The invention relates to a container for the dry storage of a packaged material, comprising a container body (2) which has a container wall (3) and forms a receiving area (4) for a packaged good. The container body (2) has an opening (6) in an end region for removing the packaged material. The container has a closure (7) for closing the opening (6), and the closure (7) has a covering element (8) and a hinge (9) in order to move the covering element (8) between a closed position and an open position, a drying means chamber (10) in which a drying means (11) is received being arranged on the covering element (8). A chamber wall portion (13) is arranged on the covering element (8), said portion delimiting the drying means chamber (10). The container is characterized in that the chamber wall portion (13), the covering element (8), the hinge (9), and the container body (2) are made of plastic in the form of an injection molded part which is injected in a continuous manner in an injection molding method. The chamber wall portion (13) has an outer face on which a sealing surface (15) is formed that sealingly rests against the container body (2) in the closed position of the covering element (8). The invention further relates to a method for producing such a container.

Description

Patent application

Applicant: Sanner GmbH, 64625 Bensheim Container and process for its production

The present invention relates to a container for the dry storage of a packaged goods, with a container body, a

Has container wall and forms a receiving space for a packaged product, wherein the container body in an end region having an opening for removal of the packaged goods, wherein the container a

A closure for closing the opening, wherein the closure comprises a lid member and a hinge to move the lid member between a closed position and an open position, wherein on the lid member a desiccant chamber is arranged, in which a desiccant is received, wherein the Cover member a chamber wall portion is arranged, which limits the desiccant chamber. The invention also relates to a method for producing such a container.

For medicines and other moisture-sensitive substances, it may be necessary to store and transport them protected from moisture. For protection against moisture, a drying agent, such as e.g. Silica gel used, which binds moisture occurring in the receiving space.

A container with a desiccant chamber is known from DE 10 2005 059 675 A1. The prior art container has a container and a closure made separately therefrom. The previously known closure is injected in the closed position of the closure section. The finished closure is placed on the separately prepared container. Further containers with a desiccant chamber are described in WO 2004/096658 A1. In the lid, in each case a space for receiving a desiccant is formed, which is provided with a clipped plastic sieve

can be closed.

DE 603 06 977 T2 describes a container with a lid. Here, a spring element is provided, which is arranged on an inner side of the cap part and receives a desiccant-containing pad. US 2007/0241 108 A1 describes another known container. On the inside of the lid, a desiccant capsule can be attached.

The present invention has the object to provide a high-quality container that reliably protects the packaged from moisture and beyond that is inexpensive to produce. In addition, the invention has the object to provide a manufacturing method for such a container. The object is achieved with a container having the features of claim 1. Accordingly, it is provided in a container mentioned above, that the chamber wall portion, the lid member, the hinge and the container body are formed as a continuously injection-molded injection molded plastic part, wherein the

Chamber wall portion having an outer side on which a sealing surface is formed, which bears in the closed position of the lid member to the container body sealingly. Such a container allows reliable protection of the packaging material from mechanical

Damage and also from moisture. Through the sealing surface, the penetration of moisture into the receiving space can be kept low. Nevertheless, occurring moisture in the receiving space can be caused by the

Desiccant be bound. In addition, the container can be easily operated. Among other things, due to the one-piece design of Container body, hinge, lid member and Kannnnerwandungsabschnitt the container can also be produced inexpensively and quickly. Such a container is particularly suitable for packaging

moisture-sensitive substances, in particular pharmaceutical products, pharmaceuticals, test strips and vitamins. But he can also for other substances, such as. be used for chemical products, food etc.

According to an advantageous embodiment of the invention it is provided that the chamber wall portion has on its inside an inwardly facing projection which forms a bearing surface on which a

Chamber cover is arranged. The chamber cover closes the desiccant chamber so that desiccant absorbed therein can not escape. The chamber cover can in particular a

be moisture-permeable cardboard or sieve.

An advantageous development of this inventive concept provides that the projection is associated with a clamping portion with which the

Chamber cover is fixed to the support surface. To form the clamping portion, preferably, the chamber wall portion a

Have edge portion which forms the clamping portion. The edge portion may extend the chamber wall portion. The edge portion may be formed circumferentially or have a plurality of sections. It can be provided that the projection in one of the

Cover member facing away portion of the desiccant chamber is arranged. Thus, the chamber cover comes in the closed position of the lid member on the side facing the receiving space side of the

Desiccant chamber to lie.

Another improvement is achieved by the fact that

Chamber wall portion in a remote from the lid member portion of the desiccant chamber a reduced area Outside diameter has. The area of reduced diameter is preferably arranged opposite the projection.

According to a further advantageous embodiment, it is provided that on the cover element, a stopper portion is arranged, wherein in the

closed position of the lid member is disposed an edge of the container body between the stopper portion and the Kammerwandungsabschnitt and wherein on the container body a mating surface

is arranged, on which abuts the stopper portion in the closed position of the lid member. In this way, a good operability is achieved. The counter surface can in particular by one of the

Container body be formed outwardly projecting container body portion. The stopper portion may advantageously extend from the lid portion parallel to the chamber wall portion. In this case, the abutment portion may be formed in particular ring-shaped or partially annular.

A further advantageous embodiment provides that, in the closed position of the cover element, the sealing section bears against an inner side of the container body.

Advantageously, the chamber wall portion extends from the

Cover element in its closed position to the receiving space. In this case, it is preferred if the chamber wall section is arranged perpendicular to the cover element.

According to the invention is also preferred that the

Chamber wall section is annular. In particular, the chamber wall section can be annular.

An advantageous embodiment provides that the

Chamber wall portion along a continuous continuous connecting line is connected to the lid member and / or that the Kannnnerwandungsabschnitt protrudes in the closed position of the lid member in the container body.

For the sealing is also advantageous if the

Chamber wall portion is convexly curved in the region of the sealing surface. In particular, the chamber wall portion may be formed as a sealing olive.

In one method, the object of the invention with the features of claim 7 is achieved. Accordingly, a method is provided for

Production of a container for dry storage of a

Packaged goods with a container body which has a container wall and forms a receiving space for a packaged product, wherein the container body in an end region has an opening for removal of

Packaged good, wherein the container has a closure for

Closing the opening, wherein the closure has a lid member and a hinge to the lid member between a

to move closed position and an open position, wherein on the lid member a desiccant chamber is arranged, in which a desiccant is received, wherein on the lid member a

Chamber wall portion is arranged which limits the desiccant chamber, wherein the chamber wall portion, the lid member, the hinge and the container body by injection molding in a

Injection mold are molded continuously made of plastic and wherein the chamber wall portion has an outer side on which a sealing surface is formed, which in the closed position of the

Cover element sealingly rests against the container body.

An advantageous development of the method provides that the container is sprayed with the lid member in the open position.

Furthermore, it can be provided in an advantageous manner that after the

Spraying the container is demolded from the injection mold and then the Cover element is held fixed while the desiccant chamber filled with a desiccant and sealed with the chamber cover.

A particularly advantageous embodiment of the method provides that the injection mold has an injection molding core, which forms the inside of the chamber wall portion, wherein the injection molding core a

Has undercut to the projection of

Chamber wall portion to form, wherein the injection molding core is associated with a displaceable sleeve which forms at least a first portion of the outer side of the Kammerwandungsabschnittes, wherein the first

Section is arranged opposite the projection, and wherein the

First, eject the lid member to move the slidable sleeve outward to expose the area opposite the protrusion and forcefully demould the chamber wall portion thereon by moving the injection mold core outward over the protrusion.

According to the invention, moreover, it is preferred that a further

slidable sleeve is provided, which forms a second portion of the outside of the chamber wall portion, wherein the second

Section on the lid member facing side of the first

Section is arranged.

Further features of the method are also evident from the above

Description of features of the container.

Other objects, features, advantages and applications of the present invention will become apparent from the following description of embodiments with reference to the drawings. All form

described and / or illustrated features alone or in any meaningful combination, the subject of the invention, regardless of the summary in individual claims or their relationships. Show it:

Fig. 1 a: A cross-section along the line A-A in Figure 1 b through a container according to the invention with the lid member in the closed position.

Fig. 1 b: A plan view of the container of Fig. 1 a;

Fig. 1 c: A perspective view of the container of Figure 1 a from the front.

Fig. 1 d: A perspective view of the container of Figure 1 a from behind.

Fig. 2a: The container of Fig. 1 a with the cover element in the open

Position;

FIG. 2b shows the container from FIG. 2a from above; FIG.

Fig. 2c: A perspective view of the container of Fig. 2a; 3a shows a cross section through an injection mold for the production of

Container of Figures 1 a - 2c in the injection molding.

3b: A cross section through the injection mold of Fig. 3a with

pulled out sleeve;

Fig. 3c: A cross section through the injection mold of Fig. 3a with

withdrawn injection molding core for the chamber wall;

Fig. 3d: A cross section through the injection mold of Fig. 3a with

pulled out another sleeve;

3e: A cross section through the fully opened injection mold of Fig. 3a.

Figures 1 a to 1 d and 2 a to 2 c show a container 1 for the dry storage of a packaged goods (not shown). The container 1 is particularly suitable for moisture-sensitive packaging goods.

In particular, the container for pharmaceutical and medical

Products such as tablets, test strips and the like are suitable. It can also be used for dry storage of other products such as chemical products, other tablets and tabs, etc. In the Figures 1 a to 1 d, the container 1 is shown closed. Figures 2a to 2c show the same container open.

The container 1 has a container body 2 with a container wall 3. The container body 2 forms a receiving space 4 for the

Packaged. The container body has in an end region 5 a

Opening 6 on. Through the opening 6, the packaged goods can be filled and removed. At the opposite end of the container body 2 is closed.

The container 1 also has a closure 7 for closing the opening 6. The closure 7 has a cover element 8 and a

Hinge 9 up. The lid member 8 can be moved about the hinge 9 between a closed and an open position. Figures 1 a to 1 d show the lid member in the closed position, while in Figures 2a to 2c, the lid member is shown in the open position. In the illustrated embodiment, the

Container body 2 cylindrical. It has a circular cross-section. The lid member 8 with the hinge 9 is formed as a flip-top closure.

On the cover element 8, a desiccant 10 is arranged. The desiccant chamber 10 is located on the side facing the container body side of the lid member 8. In the desiccant chamber 10, a desiccant 1 1 is added. The desiccant 1 1 may be in particular silica gel or molecular sieve. The desiccant 1 1 may be added in particular as a powder or particulate in the desiccant 10. For the sake of simplicity, the figures in the figures

Desiccant 1 1 shown schematically by hatching. The

Cover element 8 is formed in the illustrated embodiment is substantially plate-shaped. The chamber wall section 13 extends substantially perpendicular to the cover element 8. The drying medium chamber 10 is bounded in a direction transverse to the longitudinal axis 12 of the container body 2 by a chamber wall portion 13. The term "transverse to the longitudinal axis" refers to the closed position of the cover element 8. In the direction of the longitudinal axis 12 (upwards), the desiccant chamber 10 through the central region of the

Cover element 8 limited. For receiving space 4 towards the points

Desiccant chamber 10 a chamber cover 14. The

Chamber cover 14 is made of a moisture-permeable material. In this way, moisture from the receiving space 4 to the

Desiccant 1 1 arrive and are bound by this to the

Keep storage space 4 and the packaged goods contained therein dry. The chamber cover 14 may for example consist of an open-pore cardboard or a sieve. The hinge 9 is formed in the present case as a film hinge. In particular, in Figures 2a and 2b can be seen that the film hinge comprises a flexible portion to which the

Cover element 8 can be pivoted relative to the container body 2. The chamber wall portion 13 has on its outer side a

Sealing surface 15 on. In the closed position of the cover element, the sealing surface 15 bears against the container body 2 in a sealing manner. This can

in particular Figure 1 a are removed. Here it is also apparent that the sealing surface 15 rests against the inside of the container body. The sealing surface 15 is formed in the illustrated embodiment as a sealing olive. It is formed by a circumferential convex portion of the outside of the chamber wall portion 13.

The chamber wall portion 13 has on its inside an inwardly facing projection 16. This forms a bearing surface on which the chamber cover 14 is arranged. The projection 16 is in

illustrated embodiment circumferentially formed and extends along the inside of the chamber wall portion 13. Furthermore, can In particular Figures 1 a and 2a are nenbennennen that the projection 16, a clamping portion 17 is associated. The clamping portion 17 fixes the chamber cover 14. The clamping portion 17 is formed by an extended edge portion of the chamber wall portion 13. In the illustrated embodiment, the clamping portion 17 is formed circumferentially. In the injection molding process, the clamping portion 17 is initially in a direction parallel to the longitudinal axis 12 of the container body 2. After the

Loading the desiccant 1 1 and the insertion of the chamber cover 14, the clamping portion 17 is bent under the supply of heat and then fixes the chamber cover 14th

FIGS. 1 a and 2 a further show that the projection 16 is arranged on the side of the desiccant chamber 10 facing away from the cover element 8. In the closed position of the lid element 8 (cf., FIG. 1 a), the desiccant chamber 10 projects with the lid

Chamber wall section 13 into the container body 2 inside.

FIGS. 1 a and 2 a further show that the

Chamber wall section 13 on the side facing away from the cover element 8 side of the desiccant 10 a reduced area

Outside diameter 18 has. This area is arranged opposite the projection 16.

The chamber wall portion 13 is annular. In the illustrated embodiment, the chamber wall portion 13 is annular. The chamber wall portion 13 is also connected along a circumferential continuous connecting line with the lid member 8.

On the cover element 8, a stop portion 19 is arranged.

In particular, FIG. 1a shows that, in the closed position of the cover element 8, an edge 20 of the container body 2 is located between the

Stopper portion 19 and the chamber wall portion 13 is arranged. The stop portion 19 extends in the illustrated embodiment parallel to the chamber wall portion 13. The stopper portion 19 is annular and encloses the chamber wall portion 13th

On the container body 2, a counter surface 21 is provided (see Fig. 2a). In the closed position of the lid member 8, the stopper portion 19 abuts against the counter surface 21. This is clearly visible in FIG. 1a. The

Counter surface 21 is formed by an outwardly projecting portion 22 of the container body 2. In the illustrated embodiment, the portion 22 is annular and extends around the

Container wall 3 around. In addition, the hinge 9 is arranged on the section 22.

The cover element 8 also has an actuating portion 23. This is arranged on the stopper portion 19 and in the illustrated embodiment, the actuating portion 23 extends approximately at right angles to the stopper portion 19. The actuating portion 23 is dimensioned so that it can be easily detected by opening and closing the lid member 8 with the fingers. The described container 1 is made of plastic. It is produced by injection molding. In this case, the container described, including the Kammerwandungsabschnitts 13, the lid member 8, the hinge 9 and the container body 2 is made as a unitary and contiguous injection-molded plastic part.

Details of the manufacturing process will become more apparent from the following description of the injection mold and the demolding process. FIGS. 3 a to 3 e each show an injection mold 24 for producing the container 1 illustrated in FIGS. 1 a to 2 c. The injection mold 24 has a cavity whose shape corresponds to the container 1. in the

illustrated embodiment, the injection mold 24 with the therein produced container 1 shown. The cavity is replaced by a

Anspritzöffnung 25 filled with the liquid plastic compound, which forms the container 1 after solidification. FIGS. 3 a to 3 e show that the container 1 is sprayed with the cover element 8 in the open position.

The injection mold 24 has an injection molding core 26. This forms the inside of the chamber wall portion 13 and the lid portion 8. The injection mold 24 has a further injection molding core 27. This forms the inside of the container body 2. The injection molding core 26 and the further injection molding core 27 are substantially cylindrical.

The injection molding core 26 has an undercut 28, which forms the projection 16. The undercut 28 is groove-shaped circumferentially. The injection mold 24 has a displaceable sleeve 29. This extends around the injection molding core 26 around. In addition, a further displaceable sleeve 30 is provided. In this case, the sleeve 29 delimits a first section of the outside of the chamber wall section 13. FIG. 3 a shows that the first section is arranged opposite the projection 16 (or the undercut 28 forming the latter). The further displaceable sleeve 30 forms a second portion of the outside of the chamber wall portion 13. Like

For example, Figure 3a can be removed, the second portion is arranged on the lid member 8 facing side of the first section.

FIG. 3 a shows the injection mold 24 in the position in which the

Injection molding is performed. Figures 3b to 3e show

gradually, as the demolding is carried out. To remove the cover element 8, the sleeve 29 is first moved outward. In this way, the outside of the chamber wall portion 13, which is opposite to the projection 16, released. This is shown in FIG. 3b. In a next step, which is shown in FIG. 3 c, the injection molding core is formed 26 moves outward. Here, a forced removal is performed, in which the injection molding core 26 is moved over the projection 16 to the outside.

Subsequently, as a further demolding step, which is shown in FIG. 3d, a retraction of the further sleeve 30 follows. In this case too, a forced removal is carried out in which the further sleeve 30 is pulled over the convexly protruding sealing surface 15.

Now, in a last step, the injection mold can be completely opened and the complete container 1 can be removed from the injection mold, as described in FIG. 3e.

After injection molding, the desiccant 10 can with the

Desiccant 1 1 are filled. For this purpose, the lid member 8 is held fixed, while the desiccant 10 is filled with a desiccant 1 1. Subsequently, the chamber cover 14 is inserted and the clamping portion 17 is crimped so that it fixes the chamber cover 14.

Claims

Container for the dry storage of a packaged item, with a container body (2) which has a container wall (3) and forms a receiving space (4) for a packaged item, the container body (2) having an opening (6) in an end region for removing the packaged item has, wherein the container has a closure (7) for closing the opening (6), wherein the closure (7) has a lid element (8) and a hinge (9) to

To move the lid element (8) between a closed position and an open position, a desiccant chamber (10) being arranged on the lid element (8), in which a desiccant (1 1) is accommodated, wherein on the lid element (8).

Chamber wall section (13) is arranged, which

Desiccant chamber (10) limited, characterized in that the chamber wall section (13), the cover element (8), the hinge (9) and the container body (2) as one in the injection molding process

Cohesively injection-molded part made of plastic are formed, the chamber wall section (13) having an outside on which a sealing surface (15) is formed, which in the closed position of the lid element (8) on the container body

(2) fits tightly.

Container according to claim 1, characterized in that the

Chamber wall section (13) has an inward-pointing projection (16) on its inside, which forms a support surface on which a chamber cover (14) is arranged.

3. Container according to claim 2, characterized in that the

A clamping section (17) is assigned to the projection (16), with which the chamber cover (14) is fixed to the support surface. Container according to claim 2 or 3, characterized in that the projection (16) is arranged in a section of the desiccant chamber (10) facing away from the cover element (8).

Container according to one of claims 1 to 4, characterized in that the chamber wall section (13) in one of the

The section of the desiccant chamber (10) facing away from the cover element (8) has an area (18) with a reduced outer diameter.

Container according to one of claims 1 to 5, characterized in that a stop section (19) is arranged on the lid element (8), with an edge (20) of the container body (2) between the stop section in the closed position of the lid element (8). (19) and the chamber wall section (13), wherein a counter surface (21) is arranged on the container body (2), on which the stop section (19) is in the closed position of the

Lid element (8) strikes.

Method for producing a container (1) for dry

Storage of a packaged item, with a container body (2) which has a container wall (3) and forms a receiving space (4) for a packaged item, the container body (2) being in a

End region has an opening (6) for removing the packaged goods, the container (1) having a closure (7) for closing the opening (6), the closure (7) having a lid element (8) and a hinge (9). in order to move the lid element (8) between a closed position and an open position, a desiccant chamber (10) being arranged on the lid element (8), in which a desiccant (1 1) is accommodated, wherein on the lid element (8 ) a chamber wall section (13) is arranged which delimits the desiccant chamber (10), the chamber wall section (13), the cover element (8), the hinge (9) and the container body (2) in one by injection molding

Injection mold (24) are injected coherently from plastic and the chamber wall section (13) has an outside on which a sealing surface (15) is formed, which lies sealingly against the container body (2) in the closed position of the lid element (8).

Method according to claim 7, characterized in that the container (1) is injected with the lid element (8) in the open position.

Method according to claim 7 or 8, characterized in that the injection mold (24) has an injection molding core (26) which forms the inside of the chamber wall section (13), the injection molding core (24) having an undercut to surround the projection (16) of the To form the chamber wall section (13), whereby the

Injection molded core (24) is assigned a displaceable sleeve (29) which covers at least a first section of the outside of the

Chamber wall section (13), the first section being arranged opposite the projection (16), and wherein

When the cover element (8) is removed from the mold, the displaceable sleeve (29) is first moved outwards in order to expose the area of the projection (16) and then the chamber wall section (13)

is forcibly removed from the mold by moving the injection molding core (26) outwards over the projection (16).

Method according to claim 9, characterized in that a further displaceable sleeve (30) is provided, which has a second

Section forms the outside of the chamber wall section (13), the second section being arranged on the side of the first section facing the cover element (8). Method according to one of claims 7 to 10, characterized in that after the injection molding of the container (1) from the injection mold (24) is removed from the mold and then the cover element (8) is held fixed while the desiccant chamber (10) is filled with a desiccant (1 1) and closed with the chamber cover (14).