DE2043596A1 - Container with safety lock - Google Patents

Description

'. · En ι j · ■ 'Kef. υ! «" · ^ ^Kö!

Reflex Corporation of Canada Limited Amherstburg, Ontario, Canada

"Container with safety ^{lock 11}

2 ü 4 / - i.b

Hq / Dr. A. Menfzsl "V

The invention relates to a container and a closure existing unit, in particular a security ever *

109815/1337

• Final unit for M «dikaa« nt · and others · potentially dangerous · Substances, whereby the Veraohlufi also has a liquidity and efficient completion for the content of the Container · forms.

The number of poisoning accidents resulting from it • Ind that toddlers su unsafe medication, drugs and other products are approaching unacceptable sizes. For a long time there has been a need for children Closures for containers for economical large-volume production using Maasvn production techniques are suitable. A container with a larger number of children must be constructed in such a way that the type of handling, di · required to remove the cap, such that • is unable to do di ··· in a toddler. It is It has been found that the "" toddlers are in the Position are a · common · screw · cap · to unscrew a · container, however not able to handle a cap which is applied to a container in such a way that it is relative to the Container pressed in axial direction and then, bus removal the cap must be rotated relative to the container.

It is known as a · sich «rh« itskapp · and «in container (US-Pa-

1098 15/1337 'bad original'

tentschrift 3 jkk © A2) at dea »-phones · Verriegelungssle- ■ • nt · located above the Uafang the luOeren wall d ·· open end ·· ·· d container no., zusaaaenwirken di · old koapliaentären Kappenverriegelungaeleaenten _t di · on the Inside of the peripheral wall of the cap are arranged, which extends axially from its end face. In the case of the known container with safety cap, the locking elements are of the type in which the cap is connected to the container or the like. is released from this by a combined axial and rotary movement of the cap relative to the container. When the cap is attached to the container, the locking elements of the cap are pressed against loosening from the locking elements of the container by a spring element, since the shape of a ring-shaped striped line is formed inside the cap.

If the pellet or container contains liquid, measure it Cap able to provide an adequate seal underneath ensure different conditions. The container can for example be a liquid Nedlkaaent or the like. contain, that is strong xu shake in front of the inland water, and that often from a person in dar Taachs bsw. a handbag that is strongly moved. Furthermore, the penetration

109815/1337

BATH ORIGINAL

of moisture in the container the value of the contents,
Liquid or solid, reduce after a long period of time.

In order to achieve a good seal at the edge of the container, it is desirable that the seal which lies against the container edge remains immovable with respect to the edge, since achieving a good seal is difficult to achieve when the seal is moved relative to the container edge. It is also desirable that a sealing force or pressure be created near the container rim in order to maintain a secure and adequate seal. For this reason, it is particularly desirable in the case of security closures in which the cap is applied to and from the container
a combined axial and rotational movement of the cap relative
to the container is removed in order to create a seal which remains stationary with respect to the container rim during rotation of the cap relative to the container.

Numerous attempts have been made to achieve an effective, economical construction that has both a
Liquid-tight closure causes that in tight contact
remains on the container while rotating the cap, while
at the same time a sufficient pressure is effected by the

10981 5/1337 ^, ~ ._

INSPECTED

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the cap is pressed into its locked position with the container will. The known devices of this type include a concave Monrex geforates »round part, which has such a spring characteristic possesses that the forces that tend to flatten the concavo-convex shaped base part, resilient resistance is opposed. The concavo-convex shaped base part engages over the opening of the container and is of this type designed that a substantial part of the stress or forces between the cap and the sealing edge of the concavo-convex shaped part in a direction transverse to the surface of the concave-convex shaped base must be transferred. Other known devices include a flat plate or base with a protruding central portion that rests against the Base part of the cap is movable so that when the cap is applied to the container, the central part of the plate is depressed. Most flat plates or bases are designed so that they have spring properties, whereby a resilient force is created which presses the cap into the locked position with the container, since the flat Base part or the plate tends to be in its flat position to return. Such devices are shown in U.S. Patents No. 3,072,276, No. 3,338,717, and No. 3,1 »32,065 described. In any case, the pressure force that the

109818/1337

ORiGiNAL INSPECTED

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Pressure for causing the gasket and the locking of the cap with the container, caused by the tendency of the Grundtelies that the container opening engages over to obtain a · specific shape, whereby the base spring properties obtained with a high degree of reliability because of DER W like closures must be assumed that they are often placed on a container and often removed from this.

The invention aims at an effective and economic Kc ₄ -struktion safety cap seal to provide, in ömr the pressing force acts directly in the axial direction in the vicinity of the container edge, "create -u to a more effective seal and a construction that a greater * performance and only has a low probability, «afl with more frequent. Use to function worse.

Another purpose is to be a security lock unit to provide, which comprises a cap of the type formed by combined axial and rotational movement of the cap · relatively applied to the container on this and removed from this can be, as well as a sealing member, which from the cylindrical Part of the cap is added and a Grundte11 to overlap the opening of the container with an annular

- 7 109815/1337 originally inspected

a generous pressure member, the axial tone of the periphery of the Bases · protrudes to put the cap in the locked position ■ it de * container presses and at the same time a sealing force for the sealing part of the sealing member that provides aai container errand rests.

Another purpose is to provide a one-piece safety closure seal member that is connected between the safety cap and a container of the type the cap is applied by an axial movement followed by a rotational movement of the cap relative to the container and is removed and the cap is pushed into a predetermined axial position with the sealing member a base to reach over the container opening with a ring conveying ■ igen sealing part lying on the edge of the container, a annular part resting against the end wall of the cap and a «resilient, annular pressure member, which protrudes axially from the circumference of the Grundtelies and is between the Sealing part and the part attached to the cap extends, in order to press the sealing part and the part resting on the cap in axially spaced positions.

A particular purpose of the invention is to provide one

109815/1337

ORIGINAL INSPECTED

Security unit for drugs and other potentially toxic substances, the unit having a container bit an annular rim surrounding the opening and one Includes cap having one end wall axially extending therefrom Has circumference extending cylindrical part, which there

. open · end · d ·· container · «with several over its circumference ▼ accommodates container locking elements arranged and extending outwardly from the outer surface, which cooperate with complementary cap locking elements which are distributed over the circumference on the inner one Surface of the cylindrical part of the cap are arranged such that the cap and container locking elements by a combined axial and rotary movement of the cap relatively sum container can be connected to one another and from one another are releasable, with the sealing member interposed between the cap and the container, within the cylindrical part the cap and one of the container opening overlapping Orundte11, one on the inside of the end wall of the cap adjoining part and a sealing part comprises which on the container edge with a resilient, annular pressure part which protrudes axially from the circumference of the base part, which surrounds the part resting on the cap and the sealing part • in · the distance apart, that of the fixed axial

10 9 8 15/1337

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V ₁ GINAL INSPECTED

2Ü43596

Position corresponds to sealing the container and the To hold locking elements together, with the frictional resistance between the part abutting the cap and the end wall of the cap is less than the frictional resistance between the sealing part and the container edge, so that the control element remains stationary in relation to the container when the cap is rotated relative to the sub container.

Among other things, to achieve the above and other purposes, uafit a safety unit according to the invention has a cap on one end wall and one axially extending from its periphery cylindrical part to Aufiahae the open end of the container, whereby sioh tob cylindrical part aehrere Cap locking elements arranged distributed over the Uafang extend inwardly and bit co-operative container locking elements The container is bayonet-like or through a coordinated axial and rotational movement of the cap relative to a Cooperate containers. Vob cylindrical mil of the cap will a sealing member attached, which eanen the container opening overlapping Orundteil, one on the inner surface of the end wall the cap abutting part, a aa container edge abutting sealing part and a ringföraigee, resilient Pressure member uafit, which is axially in front of the uafang of the base part

100815/1337

- 10

ORiGiNAL INSPECTED

2U

jumps and the part resting on the cap and the part on the edge of the container adjacent seal part in axially spaced positions presses such that the annular Then pressing member, when the cap is applied to a container, the cap in a fixed axial position "Relative to the container presses and on the same side a pressure exercises the sealing part. The frictional resistance of the cap against an UbI on en raltiv to deai on the cap part of the sealing member is less than the friction resistance to prevent the seal part lying against the edge of the container from running around sun container rim so that the cap rotates between the locked and unlocked positions relative to the container can be without dal the sealing part relative to the container edge is moved.

In the drawing, exemplary embodiments of an inventive Security unit shown. Point in this drawing

Pig. 1 shows a cross section through a security _{lock and part of a B #} holder, both of which form a security unit, with the cap dea security lock in its

11

109815/1337 of *; g: nal inspected

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Locking position relative to the container • does;

FIG. 2 shows a section corresponding to FIG. 1, the cap of the safety lock being pushed down axially in an unlocked position relative to the container; FIG.

Fig. 3 is a plan view of a container;

FIG. K shows a side view of the container illustrated in FIG. 3;

5 shows a section corresponding to FIG. 1 a «broad exposition · fora and

FIG. 6 shows a section corresponding to FIG. 1 through a third implementation forum.

The safety unit shown in FIGS. 1 and 2 of the drawing falls over a container which is designated as Gen 2, the open end k of which has a ring-shaped edge 6. The container 2 can be of conventional shape and include one

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10 9 8 15/1337 ₀ * _ν ι \> :, \\ - inspected

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essentially cylindrical part 3. On the outer surface of the open end k , a plurality of container locking elements 8 are arranged distributed over the circumference, each comprising a groove 10 which is formed between a ramp surface 14 and a stop 12.

The container 2 can be closed by a safety cap 16 which comprises an end wall 18 from the circumference of which a cylindrical portion 20 extends axially, the rim which receives the open band k of the container. From the inner surface of the cap rim 20, a plurality of cap locking elements 22 extend inwardly distributed over the circumference. The Kappenverriegeiungeelemente consist of radially inwardly projecting tabs which are integrally formed with the cap rim 20. These tabs 22 are complementary to the container locking elements 8 such that the locking elements or tabs 22 can engage in the grooves 10 of the container locking elements 8. More precisely, the tabs 22 can be engaged in or disengaged from the container locking elements by a combined axial and rotational movement of the cap 16 relative to the container 2. In order to be able to apply the cap 16 to the container 2, the tabs 22 with the spaces 8a

109815/1337 ORiGiNAL INSPECTED

20 ■ '■' · .. / ο

iwischtn adjacent container lock "l" a "nt" n de · · open end aligned k, is placed on the cap as · margin 20th A rotation of the cap relative to the container 2 forces the tabs 22 against the corresponding run- up surfaces Ik until the pools 22 are axially aligned with the grooves 10. When the upper surfaces of the pools 22 abut the upper surfaces of the grooves 10, the end wall 18 of the cap 16 is in a fixed axial position relative to the edge 6 because the cap locking members are all equidistant from the end wall 18 and 14 the container locking elements 8 all generally have the same axial distance from the edge 6.

A sealing member is connected between the cap 16 and the container, which is referred to as Ganses old 2k and which lies within the cap rim 16. This sealing member 2k includes a base part 26 which lies above the opening of the container, a cap contact part 28 which abuts the inner surface 30 of the end wall 18 of the cap, a diaphragm 32 which abuts aa container rim 6, and a flexible, Ring-shaped pressure area 3k which extends in the axial direction from the periphery of the base part 26 and prints the cap contact part 28 and the sealing part 32, among others, at a distance from one another, which is the axial position

109815/1137 ^ ,, ^. , kspB ^ d

the cap 16 corresponds relatively to the lower edge of the container 6 when the cap is locked as the container, in order to seal the container and to hold the locking elements 22 and 8 one inside the other. The frictional resistance occurring during rotation between the cap abutment part 28 and the inner surface W 30 of the end wall of the cap is less than the frictional resistance between the sealing part 32 and the container edge 6, so that the sealing member 24 remains stationary with respect to the container when the cap is rotated relative to the container »

The container 2 can further comprise an edge bead 36 projecting radially inward from the inner surface of the container next to the edge 6. The sealing part 32 comprises a flange 38 which extends radially outwards and which is located above the edge 6. and a region 4o which extends in the axial direction and rests on the edge bead 36. Integrally formed with the base part 26 is a rearwardly curved part which forms the annular Andruokbereich 2k , which has an inner annular side wall 42 which extends axially from the circumference of the base part 26, an annular intermediate side wall 24 which extends from the outer end of the inner Sidewall 42 extends in the opposite direction and includes an annular outer rare wall 40 extending rearwardly from the end of the intermediate wall

- 15 -

109815/1337

0r.iG7JAL INSPECTED

2 nights 4 3 3 9 6

side wall kk extends. The inner 42 and the intermediate side wall 44, due to their oppositely directed arrangement, form an annular area which is bead-like due to the connection of the two walls, the free end of which forms the cap contact part 28. The outer side wall forms a part of the sealing part 32 which extends in the axial direction and rests on the inner surface or on the hand bead 36 of the open end of the container.

The radially outwardly extending flange 36 of the seal part 32 extends from the connection with the intermediate side wall 44 opposite end of the outer side wall and includes one extending axially from the flange 38 annular rim 46. Dar Plansch 38 lies above the edge and the rim 46 rests on the edge when the locking elements 8 and 22 touch.

Further, the end wall 18 of the cap 16 and the base portion of the sealing member 24 includes a snap connection 48 which the Sealing member 24 rotatably connects to the cap, this However, it prevents axial pulling off. In the AusfUhrungsbeispiel shown in Fig. 1 and 2 includes that of the cap associated part 50 of the snap connection 48 one of the

κ-109815/1337

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inner surface 30 of end wall 18 protruding and integrally formed bits of these tenons 50. The tenon 50 includes a flared end. The de "sealing member associated element of the snap connection 48 includes an integrally ■ it the base portion 26 formed sleeve 52 for receiving the pin 50. The sleeve 52 has a flexible wall and has an outer end 5k on, the narrower than the widened portion of the pin 50 is, so that the base part 26 can be snapped onto the pin 50 kfcnn.

The undistorted initial shape of the sealing member 2k is indicated by dash-dotted lines in FIG. 1 of the drawing. In this initial form, the cap abutment part 28 lies at a distance from the lower surface of the rim 46 bearing against the container edge which is greater than the axial distance between the wall 18 and the container edge 6 when the locking elements 8 and 22 are in their locking position. As a result, when the cap is applied to the container, the resilient annular compression area Jk is resiliently distorted, as shown in Fig. 1, so that the area creates a constant compression force between the cap and the container rim relative to the cap in its fixed axial position to hold the container and at the same time a

- 17 10981 5/1 337

ORiGl ₁ NAL INSPECTED

2043536

To generate sealing force between the sealing part 32 and the container. The design is such that when the cap is in the locked position (Fig. 1) the outer side wall kO exerts a radial force against the inner surface of the container 2 or against the bead 36 by the action of the annular resilient pressure area Jk and the distortion of the intermediate side wall kk exerts. Furthermore, an axially directed force arises which forces the rim k6 into sealing contact with the edge 6. The relative dimensions of the pin and the sleeve 52 are chosen so that there is little frictional resistance between the two when rotating.

The frictional resistance between the cap abutment 11 28 and the inner surface 30 of the end wall 18 of the cap 16 is substantially less than the frictional resistance between the contact surface of the sealing part 32 with the rim 6 and the rim bead 36 or the inner surface of the container. As a result, the cap, when it is pressed axially towards the container edge 6 into the position shown in FIG. 2, to enable the tabs 22 to be unlocked from the grooves 10 of the container locking elements 8 su, can be rotated around the tabs 22 with the spaces 8a between the locking elements

- 18 -

109815/1337 optimally inspected

8 without turning the seal Teilee 32 is effected relative to * container. The leg turning occurring frictional resistance between the cap 16 and the Sealing element 24 is thus such that the cap assembly part 28 slides on the inner surface of the end wall 18 when the cap is rotated relative to the container and the sealing element remains stationary in relation to the container.

In the initial shape of the sealing member 2k , the base part 26 is almost flat and the sealing flange 38 lies over the upper surface of the tabs 22 when the closure consisting of the cap 16 and the sealing member 2k is lifted from the container 2.

The sealing member 2k is designed so that it can be molded in one piece from plastic such as polypropylene, polyethylene, polystyrene or similar material. The cap can also be produced in one piece from the same material. The container 2 can also be molded from plastic. The closure consisting of cap 16 and sealing member 2k , on the other hand, can also be used for containers made of glass or other materials.

In the embodiment shown in Fig. 5, the cap

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1098 15/1337 _{0RIG1NAL WSP} ected

2 U / ■ " ^: - 3 6

and the container is of the same construction as the cap and container of the embodiment shown in Figures 1 and 2 and consequently the same reference numbers have been used to designate corresponding parts. In this exemplary embodiment, a sealing member 60 is connected between the cap 16 and the container 2. This sealing member 60 includes a base part 62, which lies above the opening of the container 2, a cap contact part 6k, which rests against the inner surface 30 of the end wall 18 of the cap, a sealing part 66, which rests aa the container edge, and a flexible, annular pressure region 68 which extends axially from Uafang of the base part, and between the cap installation part 6k and the seal member 66 is located to the cap part of the system 6k and to spread the Dichtungeteil 66 apart uai a distance corresponding to the fixed axial position of the cap relative to the container when the Cap ait the container is locked, including sealing this and holding the locking elements 8 and 22 together.

The sealing portion 66 includes a radially outwardly extending one Flange 70, which lies above the rim 6 of the container, and an axially extending part 72, of which outer surface rests against the bead 36. The pressure

- 20 -

109815/1337 original ..; o; ■ ccted

I U U ". '■ J 6

rich 68 is in the form of an annular flexible band, The inner end 74 is connected in one piece to the base part 62 iat. The band extends axially from the base and terminates in an outer annular free end 64 that forms the Cap system part forms. The diameter of the outer free

. End 64 is larger than the diameter of the inner end 7 ** and the band is curved outward from the inner end 74 to the outer free end 64, so that the outer end when the band is bent without circumferential and radial expansion of the outer free end moved essentially only axially towards the inner end or towards the base part 62 . This is shown in broken lines in FIG. The initial position of the outer free end of the band 68 is shown at 64a and the position which the outer free end assumes when the cap for releasing the locking elements 22 from the container locking elements.

) th 8 depressed iat is shown at 64b. The tape, when compressed, folds backward toward the base 62 without stretching the free end 64 radially or circumferentially, which subjects the tape to circumferential or hoop stresses tending to split the tape. There is essentially no change in the radial or circumferential dimension of the band when it is moved from its initial division to the seal part 66 as shown at 64a.

21st

10 9 8 15/1337 or! G:;.; Al inspected

2Ü43596

-21-bend.

The pressing force generated by the annular band 68 is, strives to the axially extending portion 72 of the To press sealing member 66 radially outward against the inner surface of the container or against the bead 36, when the flange 70 rests against the edge 6. The axial force that is generated by the pressure area 68, also has the effect that between the surface 70 and the edge 6, a sealing pressure arises. The base 62 can be planar and the band 68 extends axially from its periphery. This too Sealing member 60 is provided with a fastening sleeve 80, which is able to snap over the pin 50. The sleeve 80 is Constructed in an identical manner to the sleeve 52 in the embodiment shown in FIGS.

The friction between the cap contact surface (> - 'l and the inner Surface 30 gives a much lower resistance than the friction between the sealing part 66 and the container In this way, the sealing member 60 remains stationary with respect to the container and the cap rotates with respect to the container Sealing member 60 when the cap 16 is depressed axially towards the container edge from the position illustrated in FIG. 5,

109815/1337 origWai. inspected

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to V _e rriegelungselemente 22 to disengage from the container locking elements 8, and then the V _e rriegelungslasche 22 are aligned with the spaces 8a (Fig. 3) between the locking elements 8. The sealing member 60 in Fig. 5 is designed so that it is made in one piece from a suitable plastic, k such as polypropylene, polyethylene, polystyrene or the like. can be shaped.

The further embodiment illustrated in FIG. 6 of the drawing, for example almost a cap and a container, which correspond to the constructions of the one described above and are therefore not described in more detail. In this embodiment, a sealing member 82 is connected between the cap 16 and the container 2 and is surrounded by the cylindrical edge 20 of the cap. The sealing member 82 comprises a base part 8k, which in turn lies above the opening of the container, a cap abutment part in the form of annular ribs 86, 88 and 90 which protrude axially from the upper surface of the base part 8k , a sealing part 92, which again at the edge 6 of the container bears, and a resilient annular pressure region <) k, which extends axially from the edge of the base part 84 and between the cap installation part 86 and the sealing member 92 is, inter alia, the cap abutment portion 86 and the seal member by a distance

- 23 -

1098 15/1337 0f? _{/ G / Ί}

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to spread apart, which corresponds to the fixed axial position of the cap relative to the container when the locking element e 8 and 22 rest against one another in order to seal the container and the locking elements in contact with one another to keep.

The sealing member 82 in FIG. 6 is also formed in one piece and can consist of a resilient elastomeric material, such as rubber, or of a plastic which has rubber-elastic properties. The pressure region 9k comprises a resilient ring, the inner end 96 of which is formed in one piece with the base part. The ring 9k extends axially from the base part and ends in an outer free end 92 which forms the sealing part resting on the container edge. The diameter of the outer free end 92 of the elastomeric ring 9 ^ iat greater than the diameter of the inner end 96, so that the ring 9 ^ has a frustoconical shape. The thickness of the wall of the ring decreases from the inner edge 96 su its outer edge 92 leioht. As previously mentioned, the annular ribs 86, 88 and 90 protruding from the upper surface of the base part 8k form the cap abutment part of the sealing member and reduce the friction between the sealing member and the inner surface of the end wall 18.

- 2k -

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The cap 16 in Fig. 6 is provided with a pin 98, the is of the same construction, but slightly shorter. The pin 98 protrudes into a frustoconical recess 100 which formed in the center of the base portion of the sealing member 82 is, so that the pin 98 and the recess 100 one Forms a snap fit through which the sealing member 82 It is rotatably connected to the cap 16 and is secured by friction against axial loosening from the end wall of the cap.

The sealing portion 92 of the axially extending ring 9k lies above the rim 6 of the container as well as the upper edge of the container locking elements 8. This starting length of the ring 9 ** is in fact greater than the axial distance between the inner surface 30 of the end wall 18 and the Edge 6 when the locking elements 8 and 22 lie against one another, so that the ring 9k presses the cap 16 into the fixed axial position relative to the edge 6, as illustrated in FIG. The compression force of the ring 9 ^ also creates a sealing pressure between the contacting surfaces 92 and 6 of the ring 9 ^ and the container edge. The resistance to rotation between the annular ribs 86, 88 and 90 and the inner surface 30 of the cap is less than the resistance to rotation between the contacting surfaces

10 9 8 15/1337 OR; _G / v. _u; v ^ _

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and 6 of the ring ·· and d ·· container ·, · ο that a depression the cap in the axial direction to release the locking tabs 22 by the container locking elements 8, followed by a rotational movement of the head relative to the container no turning of the sealing member 82 relative to the container. An additional frictional resistance to rotating the sealing member relative to the container is due to the tendency of the elastomeric material to move slightly axially into the gap 8a (Fig. 3) to be removed between the container locking elements 8, causes a direct mechanical breasting against a turning of the sealing surface 92 with respect to the edge 6 create.

In this way, each of the three exemplary embodiments illustrated in FIGS. 1, 2, 5 and 6 comprises a safety lock with a cap 16 of the type made by axial movement followed by relative rotational movement of the cap to container 2 placed on the container and lifted from this can be. And each cap of the exemplary embodiments comprises a sealing member that not only tightly closes the container, but at the same time the locking elements of the Holds the cap and the container together.

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1098 15/1337

Claims (1)

Claims 1. Safety closure unit alt a container and a cap which can be applied to and removed from the container by an axial movement followed by a rotational movement, the cap having an end wall and a cylindrical, axially extending from its periphery, for receiving the comprises the open end of the container serving edge, which on its inside has a plurality of locking elements distributed over the circumference, which cooperate with complementary locking elements on the container, bayonet lock-like, and wherein in the cap, within the cylindrical edge, a sealing member is provided, characterized in that the sealing member (2k) has a base part (26) lying above the opening of the container (2), a cap contact part (28) which rests against the inner surface (30) of the end wall (28) of the cap (i6), a container edge ( 8) tightly fitting sealing parts and a flexible, ring-shaped pressure area ( jk) , the - 27 - 109815/1337 originally inspected ■ extends axially from the periphery of the base part (26) and the Kappenanlagete11 (28) and those resting on the container edge (8) Sealing part presses in positions axially distant from one another in such a way that when the cap is applied, this in an axially fixed position relative to the container and at the same time the sealing part (32) firmly against the container edge is pressed. 2. Unit according to claim 1, characterized in that the cap (16) on the inside (30) of the end wall (28) comprises a snap connection (k8) which cooperates with the base part (26) of the you «processing member (2k), which Sealing member rotatably mounted relative to the cap, but releasably retains against an axial separation against a frictional resistance. 3. Unit according to claim 1 and 2, characterized in that the snap connection (48) has a pin (50) projecting from the inner surface (30) of the end wall (28) of the cap (16) at a widened free end and on the sealing member (2k) an integrally formed old the base part (26) the pin (50) receiving sleeve (52), the flexible wall of which a - 28 - 1098 15/1337 _O r; g ;;: al;: ^ cted 2 ύ k 3 5 9 6 has free end that is narrower than the widened End of the tenon is. H. Unit according to Claims 1 to 3, characterized in that the sealing part (32). a radially outwardly extending sealing flange (38) which lies above the container rim (8) and comprises an axially extending part (40) resting against the inside of the open end (4) of the container in the hand adjacent. 5. Unit according to claim 1 to 4, characterized that the resilient pressure area (3 ^) designed an annular wave-like and area formed integrally with the base part includes, the cap facing the annular bead Forms cap assembly part (28). 6. Unit according to claim 5i, characterized that from the cap assembly part (28) to the base part (26) an annular inner side wall (* »2) of the pressure area (3M extends and from the cap part (26) towards the sealing part (32) an annular one 109815/1337 originally inspected Intermediate side wall (44), running opposite to the inner side wall, extends, the intermediate side wall forms the pressure area (34) lying between the cap contact part (28) and the sealing part (32). 7. Unit according to claim 1 to 6, characterized dadurph that the Dichtunysteil (32) also has a from the sealing flange (38) to the container-r edge (8) axially extending sealing ring (46) comprises. 8. Unit according to claim 1, characterized in that the sealing member e, in resilient annular band (68), the inner annular end of which is integral with the periphery of the base (62) is connected, while the outer free end (64) of the "I axially extending from the base part of the band Represents cap system part. 9. Unit according to claim 8, characterized that the diameter of the outer annular free end of the band (68) be greater than Inside diameter is. 109815/1337 10. Unit according to claim 8 and 9, characterized in that the band (68) from its inner end (7k) to the outer end (7M to the outer end (6k) is curved outwards. t 11 unit according to claim 1, characterized in that the sealing member (82) comprises a resilient elastomeric ring, the inner annular end (96) of which is formed in one piece with the base part (8k) , the ring (9-M extending axially from the Base part extends and ends in an outer annular free end (92) which is the sealing part resting on the container edge (8). 12. Unit according to claim 11, characterized in that * 'that draws the diameter of the outer free End (92) is larger than that of the inner end (96), giving the ring (9k) a frustoconical shape. 13 * Unit according to claim 11 and 12, characterized in that g β denote lean t that the wall thickness of the ring, (9 * l) from the inner end (96) to the outer free end (92) - 31 - 109815/1337 - 31 decreases. Ik. Unit according to claims 11 to 13, characterized in that the base part (8k) has at least one ring-shaped protruding lip (86) on the side facing away from the ring (9 * 0) which forms the cap contact part. 15. Unit according to claim 11 to Ik, characterized in that the pin (° | 8) projecting axially from the end wall (i8) of the cap (16) is able to rotate into a recess provided in the base part (8k) of the sealing member (82) . 109815/1337