DD144746A5 - LOCKING ON AN OPENED LID - Google Patents

Abstract

A container has a hinged closure for an opening in its lid, wherein one end of the closure is attached to the lid near the inner end of the opening. A closure member is hinged at the fixed end and overlying the opening to seal the contents, and a lifting member is integrally formed on the closure member opposite the fixed end for pivotally raising the closure member opposite the fixed end and the opening for emptying the contents from the container to make accessible. Fig.2

Description

Field of application of the invention

The invention "relates to containers, for example sealed containers for the sale of food, beverages, engine oil and other products, and more particularly relates to an improved, easy-open closure for a container which is safe to use and has no part normally used in the art Use the lid separated and thrown away or put into the container.

The hinged closure according to the invention may be mounted in advance on a separate insert, for example of the type shown in Figure 9 of U.S. Patent No. 4,077,528, after which the insert is then mounted in the opening. In ·. This Pail is the hinged closure attached to the upper planch before the insert is mounted in the opening on the lid of the container. ,

Characteristic of the known technical solutions

Containers with tearable tab closures have long been widely used, but are not currently favored because the releasable tabs are thrown away recklessly posing a problem of environmental pollution. But they also have other disadvantages, such as sharp edges that can cut into the skin, a ring that is difficult to lift, that can hurt the nails, and a removable tab that can be dropped into the opening in the container.

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sen and. inadvertently swallowed. There have been many cases of case law in which tear-off tab closures have been declared unlawful.

In order to circumvent the problem of environmental protection with the tearable tabs, containers with depressible tabs have been proposed which, however, have all the other disadvantages of the tearable tabs and additionally cause a new difficulty, namely the problem of possible contamination of the contents, which is especially when containers are stored in rat contaminated cellars.

Flexible, peelable tapes have also been proposed, for example, according to the type disclosed in US Pat. Nos. 3,990,603 and 4,029,033, as a closure for containers which, however, have not found a favorable receptacle.

Object of the invention

With the container according to the invention, these disadvantages are overcome and created a low-cost, salable, airtight container closure, which can be opened without further ado without injury to the user and in its preferred embodiment is resealable to remove the unused content.

Explanation of the essence of the invention

The present invention provides a hinged closure for the container which is pivotally mounted on the lid to dispense the contents from the container and remain in the open position on the lid and can neither be thrown away nor dropped through the opening into the container. It has no sharp edges, there is no disposable waste other than the container, and there is no danger of the user inadvertently swallowing the closure.

The hinged closure is attached at one end to the lid of the container near the inner end of an opening in the lid, a closure member is hinged to the holder end, and a lifting member is integrally formed with the closure member opposite the holder end to pivot the closure member in an upright position to pivot relative to the fixed end and expose the opening. In the preferred embodiment of the closure, a depending seal is formed on the underside of the closure member having a complementary shape to the opening, so that the closure can be resealed to store the unused contents of the container can.

The lifting element is normally superimposed on the closing element and raisable with respect to the closing element, so that the seal can be broken, starting at the end remote from the fixed end. At the closure can be made provision for holding the lifting element folded against the surface of the closing element in the sealed state and the container can be made provision for keeping the closing element folded against a holding portion on the lid in the open state.

'. Embodiments

Exemplary embodiments are shown in the attached drawings. Show it:

1 is a perspective view of a container with the closure according to the invention in the sealed state;

Figure 2 is a view of the closure in the open position. ·

Pig, 3 a view similar to Pig. 2 shows another embodiment of the invention;

Fig. 4 is a view of a closure similar to Pig. 1 and 2 seen from the bottom of the lid and without the

Recess in the lid for the closing element; Fig. 5 shows the section 5-5 in Pig. 4; Pig. 6 is a longitudinal section through the closure according to

Pig. 4;

Pig. 7 shows a plan view of a further embodiment of the closure in the opened state;

Pig. 8 shows a cross section through the closure according to Pig. 7 in sealed condition along the line 8-8 in Pig. 9;

Pig. 9 is a longitudinal section through the closure according to Pig. 7 in sealed condition; ,

Pig. Figure 10 is a cross-section through another embodiment showing the holding and closing element of the hinged closure in a recess in the lid and the lifting element on the closing element and partially received in a recess therein;

Pig. 11 is a perspective view of a container with a further embodiment of the closure according to the invention;

Pig. Figures 12 and 13 show sections 12-12 and 13-13 in Figure 11, respectively;

Pig. Figure 14 is a perspective view of another embodiment of the closure according to the invention; Pig. 15 the cut 15-15 in Pig. H; and

Pig. 16 is a perspective view of the closure according to Pig. 14 in the open state.

The hinged closure shown in Figs. 1 and 2 is attached to a conventional container comprising a cylindrical side wall 10, a top lid 11 joined to the top of the side wall via an edge 12, and a bottom, not shown, of the same shape and the same diameter as the upper end, so that the containers can be stacked on top of each other. The lid 11 is recessed below the upper edge of the rim 12 and has an opening 13 which is offset from the center of the lid. The opening 13 is preferably elongated in a substantially radial direction so that air may enter the container through the inner end while the contents are dispensed from the outer end. The opening

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may also be divided into a separate air inlet and pouring aperture, and the size of the aperture may be sized in accordance with the contents to be poured or dispensed In the embodiment shown in Fig. 2, the outer end is wider than the inner end by the flow velocity In the modified embodiment of Figure 3, the outer end of the opening 13a is significantly narrower to facilitate breakage of the seal when the closure is opened.

The opening 13 is normally sealed by the hinged closure according to the invention. The hinged closure shown in Fig _o 1 and has a fastener H, a closing element 15 which is connected to the fastening element via a hinge 16, and a lifting element or, a tab 17 which is connected to the closing element via a hinge 18. The fastener 14 is attached to the lid of the container near the inner end of the opening 13. Normally, the closing element is superimposed on the opening and seals it. The tab 17 is normally sealed with the container longitudinally, folded over the hinge 18 and is in engagement with the top of the closing element; but it may be raised in an upright position relative to the closure member to break the seal, raise the closure member from its sealing engagement with the opening, and pivot along the hinge 16 to the open position shown in FIG.

The length of the opening 13 and the closing element 15 is selected in the Ausführungsbeispxel shown in FIG. 1 and 2 so that the closure is folded in the open state, so that at least its outer end recessed engages in a recess 11 a. The parts' are preferably dimensioned so that the end of the closure in the open position shown in FIG. 2 cooperates lockingly with the recess 11a in the lid and / or the inner surface of the rim 12 to hold the closure in the fully open position during the process

Content is dispensed from the container. This is advantageous in a beverage container when the contents are drunk directly from the opened container.

The hinged closure is preferably made of a synthetic plastic, such as polypropylene or nylon, but may also be made of metal, cardboard or plastic of a plastic-coated base material. The hinges can thereby be integrally formed with the closure to provide thinner flexible bend lines, for example, by scoring one or both sides of the material. Tight "living" hinges or bending lines should allow the closing element a pivoting movement in the range of order iron 180 ° from closed in the open position and the tab 17 pivotal movement in the range of 90 ° to 180 ° from the folded state on the closing element.

In the center of the tab 17 of the hinged closure, an opening 19 is formed which interlocks with an upstanding plug 20 at the top of the closure member. The tab may also be maintained in surface area against the top of the closure member in a folded condition such that protruding and recessed formations engaging with each other at the cooperating surfaces are formed or a pressure-sensitive "acherein" material is provided. In the preferred embodiment, the opening 19 provides a suitable means for detecting the tab.

The seal is preferably formed by a depending formation 21 of thermoplastic material, preferably the same material as the closure on the underside of the closure member. The elevation 21 is designed in accordance with the opening, so that upon depression of the closing element against the lid, the elevation 21 enters into tight engagement with the edge delimiting the opening. ,

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1 and 2, the lid is formed with a recess 22 which has substantially the same shape and depth as the outer contour and the thickness of the fastener H and the closing element 15 which lie end to end. By recessed attachment of the fastener 14, the closure member receives a planar support surface in the form of the tops of the fastener and the portion of the cover adjacent the fastener when the fastener and / or tab is locked to the inside of the rim Keep shutter in open position.

The one in Pig. 3 shown hinged closure is similar to the closure according to Pig. 1 and 2, except that the opening 13a for discharging is oriented differently and the lid is flat, i. is shown without recess 22 for the fastener 14.

According to Pig. 4-6, the lid is provided with a recess 22a having substantially the same shape and depth as the outer contour and the thickness of the fastener 14. The recess 11a (Figure 1) in the lid. is missing, so that a flat support surface for the closing element is provided by the tops of the fastener and the lid substantially to the edge. The hinge 16 in this embodiment is preferably elongated longitudinally of the closure to receive the fastener element 14 on the lower recessed plane and the closure element 15 on the raised plane so that the surface lies against the surface of the cover surrounding the pouring aperture , When the position of the closing element is kept open, the tab 17 can be folded under the closing element, as shown in FIG. 2, or it can be brought into an upright position, as shown in dashed lines in FIG.

The hinged closure according to Pig. 7, 8 and 9 is a further embodiment of the invention "in which the closing element 15 'is larger than the opening 13' but designed in general as well as this to reduce the amount of material needed to make the closure The opening 13 'has generally the shape of the opening according to Pig 1 and 2, but its outer end is formed with an outwardly facing nose 23 to the advantages of the opening 13 as shown in FIG 1 and 2 and 13a according to Pig 3. This means that the opening 13 'has a larger outer end, which increases the flow rate of the contents deflated by this area of the opening, and a narrower nose-shaped end which prevents the vomiting of the patient The tab 17 'is like in the embodiments already described with a V present stopper 20 'engageable.

In all the embodiments described here, the sealing of the elevations 21, 21 «is preferably effected by thermal deformation, although other known sealing methods can be used. When the closing element is pressed against the lid, the elevation 21 projects slightly beyond the underside of the lid. By applying heat to the lower edge of the thermoplastic projection 21, wherein the temperature is selected to be at least so high that the lower edge is softened and spread, ie about 135 ⁰ C (275 ⁰ P) or more in the case of polypropylene flows the material below the surface of the lid to the outside and. forms an effective seal 21a, as best in Pig. 4, 5 and 6 recognizable.

In the embodiment shown in FIGS. 7 to 9, the opening 13 'is bounded by a depending outwardly inclined lip 24, so that in this exemplary embodiment, as shown in FIGS. 8 and 9, the application of heat to the elevation 21' causes that the elevation is outward

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to the depending, outwardly tapered edge of the lip 24 and spread around the underside thereof to form a seal 21a ·.

In the embodiment according to Pig. 10, a recess 22 is formed in the top of the lid which receives both the fastener 14 "and the closure member 15", and the flap 17 "is at least partially received in a recess 26 at the top of the closure member when folded back extends the hinge 18 "slightly so that the tab 17" can be pushed into and latched into the correspondingly shaped recess 26 in the outer end of the top of the closure member The latch is secured by locking cooperating edges 27 on the tab 17 "and recess 26 held in the folded-back state, so that the above-described locking means 19, 20 can be omitted.

In the embodiment according to FIGS. 11 to 13, the opening 29 formed in the cover for emptying is circular overall. The hinged closure includes a fastener 30, a closure member 31 having a circular recess 32 formed in the top, and an annular lifting member or tab 33 normally received in the recess 32 in the closure member. The closing element is connected to the fastening element by a hinge 34. The tab is connected to the closure member by a hinge 35, and this hinge connection makes it possible to lift the annular tab opposite the closure member, as shown in phantom in FIG. By pulling upwards on the ring, the seal at the end of the closure is broken up with respect to the attachment end and the closure element is lifted out of the pouring opening by a pivoting movement about the hinge 34, as shown by dashed lines in FIG.

The closing element can be closed again by re-engagement with the pouring opening again. Here-

In addition, the recess 32 in the top of the closure member provides not only a support recess for the tab 33 but also a surface which the thumb can conveniently engage to facilitate re-closure of the container. The closing element 31 has a depending formation or, a raised portion 36, whose shape is chosen to be complementary to the pouring opening, so that when pressed down the closing element against the lid, the survey sealingly engages with the edge delimiting the pouring opening. This projection protrudes under the underside of the lid and is deformed as above by heat, so that the survey is softened and spread so that a portion 36a of the survey protrudes and engages under the bottom of the lid surrounding the opening to an effective seal create.

The fastener 30 may be anchored by any means on the lid, but is formed in the embodiment shown in Fig. 11 to 13 with a pair of depending or projecting legs 37 which are insertable into a pair of openings in the lid. After insertion of the legs in the openings expansions 38 are formed at the lower ends of the legs under heat deformation, which firmly attach the fastener on the lid in position. The sealing portions 36a and extensions 38 can be made at the same time by the elevations 36 and the. Legs 37 of the stepped heating surface of a single heating element are exposed «Instead of the legs 37 or together with these, of course, adhesive may be provided for fixed attachment.

As already mentioned, the closure member 51 has a peripheral portion and a central depending recessed portion in which the annular tab 33 is received. The peripheral portion of the closure engages the top of the lid surrounding the pouring aperture, and this peripheral portion is engageable with the top of the lid

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be sealed or not. Preferably, as explained below, a tearable sealing film is applied to the underside of the lid.

A modified embodiment of the. hinged closure described last is shown in Fig. _14} 15 and 16. Here, the lifting element or the tab 39 is a curved formation, which integrally connected to the fastening end with its two ends to the closing element. is. The tab 39 is received in a recess 32 in the closing element and has a distance from the ground. this recess so that it can be detected and raised in relation to the closing element, wherein the ends of the curved tab act as hinged connections between the tab and the closing element.

As a security for the customer that the closure has not yet been opened, an additional seal 25 may be provided, as shown in FIG. This. Seal. 25 is preferably a tearable, transparent strip which extends across the closure member transversely of the closure and is effectively and permanently adhered to the top of the lid and optionally also to the closure member itself. This seal is attachable in all embodiments of the invention as a guarantee of the integrity of the container.

Between the cooperating. Surfaces of the underside of the closure member and the top of the lid surrounding the pouring aperture may be provided with a seal. In addition, the elevation 21 may be missing and a continuous plastic coating may be provided on the underside of the lid around the opening and across the opening. This seal is destroyed when lifting the closing element. For applications that do not require a hermetic seal, the elevation 21 may be shaped to snap-engage the edge of the opening in the lid. In order to

To ensure integrity of the container when it is exposed to internal pressure in the order of 6,30 kg / cm (90 psi) or atmospheric pressure while the contents of the container are under negative pressure, the sealing material will be made of suitable plastic with suitable resilient compliance the desired puncture selected.

Claims (24)

2t 4037 -β- invention claims 1. closure on a container lid provided with an opening, GEK en η ζ calibration η et by a fastening member (14, 14 ', 14 ", 30) on the cover in the vicinity of the inner end of the opening (13, 13a, ^13!, 29), a relatively fixed closing element (15, 15 ', 15 ", 31) which is hingedly mounted on the fastener so as to be superimposed on the opening and seal the contents within the container, and a lifting member (17, 17', 17", 33, 39) connected to the Closing element at the opposite end of the fastener formed integrally and is normally superimposed on the closing element, if this is on the lid of the container in sealing position, but opposite the closing element can be raised, the seal destroyed and the closing element along the hinge connection between the fastener and the Closing element is lifted off the lid. 2
range of 6,30 kg / cm (90 psi). 2. closure according to point 1, characterized in that the lifting element is hingedly connected to the closing element and normally folded back so that it is superimposed on the closing element when it is in sealing position. 3. closure according to point 1, characterized e ek ennz e i without t, that on the underside of the closing element is a projection (21, 21 ·, 36) of complementary shape to the opening is arranged, which is sealingly engageable with the edge bounding the opening. 4. closure according to point 3, characterized in that the opening in the Cover (11). is elongated in a direction facing away from the fastener of the hinged closure outward direction. 5. Closure according to item 4.,; , characterized in that, without the extremity of the elongate opening (13a, 23) being substantially narrower than the widest portion of the opening, the lifting of the closure element facilitates the vomiting of the outer end of the seal. 6. closure according to point 2, characterized in that the hinges (16, 18, 18 ", 34, 35) are formed in one piece by bending lines with the closure, the hinge connection connecting the fixing and closing element causing the hinge to bend upwards Closing element of the opening in the lid relative to the fastener fastened to the lid allows and the hinge connection connecting the closing and lifting element, the upward bending of the lifting element from the folded against the closing element state for pivoting in an upright position substantially perpendicular to the closing element allows. 7. closure according to point 1, characterized GEK e η n. characterized that the lifting element is held in engagement with the top thrown back of the closure member when this is in sealing condition. . 8. closure according to point 7, characterized *** g'e'k e η η ζ eichne that for holding the abutting surfaces · the closing element and the lifting element intermeshing parts are provided on the abutting surfaces, 9. closure according to point 3, characterized in that the elevation (21, 21 ', 36) is made of thermoplastic material, 214 © 37 which flows by heating outwardly into locking engagement with the edge defining the opening in the lid. 10. Closure according to 'Item 2, in which the container has its own edge, · characterized geke η η ζ ei ch η et, that the lid (11) below the upper edge of the edge (12) is recessed, and that in the folded-back position the inner surface of the edge holds the closing element in the folded-back position. 11. closure according to item 1, characterized in that in the lid (11) near the inner end of the elongated opening a recess (22a) is formed for receiving the fastener of the closure, which facilitates the folding back of the closing element in the open position. 12. closure according to point 1, characterized in that the closure is made in one piece from plastic, and that its elements are interconnected by movable hinges. 13 · closure according to item 1, characterized in that a recess (22) is formed in the cover (11), which recess receives both the fastening and the closing element. 14. closure according to point 1, characterized in that a recess (32) of a total of the lifting element corresponding shape for at least partially recessed receiving the lifting element in the folded-back position is formed in the top of the closing element, and that means are provided which the lifting element Keep in this recess in the top of the closing element in folded back position. 15. closure according to point '1, characterized GEK e η η ζ ei chn e "t that the hinged closure suitable to an internal pressure in Größenordnungs- 16. closure according to point 1, characterized gekenn ze ichn et that it is made in one piece from metal. 17. Closure according to item .1, characterized in that it is made of a base material which carries a thermoplastic material at least on the underside of the closing element. 18. closure according to point 1, characterized geke η ζ η et, that on the lid (11) between the edge (12) and the closing element opposite end of the fastener a closure holding surface is formed, and that a recess at least in the outer end of the holding surface for receiving at least the outer End of the closing element is formed. 19. Closure under point 1,. characterized in that a rupturable seal is mounted over the closure member which is permanently adhered to the lid (11) on the opposite sides of the closure member and ensures the integrity of the container. , 20. Closure, after item 1, characterized in that on the underside of the fastener depending means for attaching the fastener on the lid (11) are provided, that in the lid has an opening for receiving the hanging devices and on the depending. Facilities provided below the opening in the lid an extension ti03 7 -Al · - is that locks the fastener on the lid. 21. closure according to item 20, characterized in that at least one pair of depending formations are formed, which engage in at least one pair of openings in the lid for receiving the depending formations. , : 22. closure according to point '1, Thereby, without t that the upper side of the closing element is recessed, and that the lifting element extends away from the end of the closing element opposite to the fastening element and is superimposed on the recessed area of the closing element. 23. closure under point 22, characterized in that without the lifting element (39) comprising a ring integrally attached to the fastening element on the closure element and normally recessed in the top of the closure element. > 24. Closure under point 1,. characterized in that the opening (29) in the lid (11) and the closure member is substantially circular in shape and that the closure member has a peripheral portion of the closure which engages the top of the lid surrounding the aperture, a central, depending a recessed area within the peripheral area which engages the opening and a heat deformed area which engages the underside of the lid around the opening. For this 4 pages drawings