EP1363836B1 - Verschlussdeckel mit doppeltem deckelspiegel sowie seine herstellung - Google Patents
Verschlussdeckel mit doppeltem deckelspiegel sowie seine herstellung Download PDFInfo
- Publication number
- EP1363836B1 EP1363836B1 EP01919150A EP01919150A EP1363836B1 EP 1363836 B1 EP1363836 B1 EP 1363836B1 EP 01919150 A EP01919150 A EP 01919150A EP 01919150 A EP01919150 A EP 01919150A EP 1363836 B1 EP1363836 B1 EP 1363836B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lid
- section
- edge
- panel
- lid panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
- B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
Definitions
- the invention relates to a closure lid, wherein the lid two spaced apart cover mirror (panel), which in the axial direction Seen a distance from each other.
- the distance becomes one Interspace (also referred to as cavity) formed, which is able to to pick up a physical object such as a prize, a profit or a toy part, that can not be seen from the outside with intact lid.
- a lid with such a cavity and two spaced lid mirrors is described in EP-B 773 891 (Schmalbach-Lubeca), there in particular Figures 2, 3 and 4 and column 2, paragraphs 9 and 10.
- This cover can be replaced by detachment of the upper Lid part or the upper lid mirror are opened, the cavity is exposed to the gain.
- a food-grade adhesive is necessarily used there, which is defined so as to enable the upper lid mirror to be separated from the lower lid mirror, cf. there column 3, first paragraph. A separation of the upper lid part then leads to a residue of the adhesive remains at the splice.
- WO-A 97/19001 (Björnsen) relates to a device for a beverage can and has - where relevant here - two separate and specifically described embodiments of the local figures 1 and 5 or 16 to 18.
- the local figures 16 to 18 is a Closure lid described how to rewrite with the feature group (a) of claim 1.
- a circumferential groove is formed, and in this groove, a circumferential sealing lip (there 32) is used to achieve the axial distance of the upper "cover mirror” from the lower cover mirror, the upper cover mirror (there 24) has a significant curvature and with a circumferential, at least partially radially aligned further sealing lip (there 31) engages the circumferentially extending inner wall of the local core wall between circumferential groove and mounting flange.
- a negative pressure is created, which holds the upper plate at a defined distance from the lower plate, additionally supported by the axially directed sealing lip 32.
- the partially radially directed second sealing lip 31 seals against the inwardly facing Wall (there 28) off.
- the other embodiment is described in the cited document as being has no circumferential groove, but with an arrangement according to the local figure. 4 provided in a recessed portion of the beverage can lid.
- These Arrangement is disk-shaped and has two folded flaps (there 8, 9), which intervene between lid and opening tool on the lid after they have been inserted.
- the outer "lid mirror” (corresponding to the local Cover for the creation of hygiene and enabling the automatic Attachment) keeps its distance through the horizontally lying flaps (there 8, 9) in inserted state, as it describes the local figure 5.
- the outer edge may be punctiform in at least some places with the after inside facing wall (there 6) in contact, so that at these points radially oriented force components may arise or could arise or, where appropriate would arise, cf. there column 4, lines 25 to 29 and column 5, lines 5 to 10.
- the invention has set itself the task not to use residues, adhesive residues or other surface-influencing aids and to propose a cover construction which is suitable without the use of such adhesives to separate a lid mirror of another lid mirror, exposing the cavity.
- a clean attachment is to be made possible, which must simultaneously meet the condition that a user can not distinguish two beverage cans from the outside, namely such a can having two lid mirrors, and such a can having only a lid mirror.
- the invention uses a connection technique that covers the outer lid mirror relative to the inner lid mirror sets by a frictional connection (claim 1).
- the (elastic or radial) force component acts at a nip and creates a secure relative position of the two lid mirror each other.
- the nip can lie radially outside the lid mirror, preferably in a top wall, of the circumferential groove (often referred to as core groove) to the mounting edge (often as Folded edge configured) runs (claim 2, 3 and 5).
- the frictional connection is adjusted so that it is for fixing the relative position of the Both lid is sufficient, but when opening an outer handle on the outer lid mirror releasing the frictional connection is possible (claim 10, Claim 22).
- the pulling or applying a leverage on a handle on the outside Cover mirror provides a tensile component, for separating the outer Lid of the nip (claim 11).
- the lid mirror in Area of the grip tab (the handle part) also designed as the tear area a usual beverage can lid.
- the opening side downwards on the in the cavity supported physical object to support the chipping of the outer Lid level to facilitate by loosening the clamping seat at the terminal point (Claim 17).
- the radial force of an apron acts on the outer mirror in substantially radially outwardly, so that a portion of the cap, the radial lies outside and extends axially inclined (claim 6, 19), as a clamping or Depository serves (claim 2, 3). Also, a radially inwardly pressing force can be used, the bearing is moved accordingly.
- the force component is formed by elastically deforming a skirt portion obtained on the edge of the mirror (claim 4), wherein also a slight buckling of the larger-area outer lid mirror supports this force and their emergence.
- the bulging outer lid mirror awakens an unbiased viewer Impression of a higher internal pressure acting on a sealed can with a liquid under gas pressure.
- the outer lid mirror due to the realization of two axially spaced lid mirrors not with a pressure from its inwardly facing surface, he appears burdened the viewer in such a way.
- the actual gas pressure is from the intercepted inner lid mirror, but with mounted outer lid mirror is not visible, instead, only the outer lid mirror is curved outward visible, noticeable.
- the outward curvature is done by forming before mounting the outer lid mirror. Shall those with a double mirror cap sealed drink cans be confused with such beverage cans, at where only one mirror is present, so is the axial height of the outer Lid mirror substantially that of the single lid mirror on a normal soda can.
- the strip is bounded by an upper and a lower shoulder (claim 7), he fäüt from the inclination orientation of said top wall and as may be referred to substantially axially extending (claims 6, 9 and 19). at In a substantially axial orientation, it may be slightly conically inclined to the To improve clamping fit, with inclination angle between 0 ° and 6 ° preferred between 2 ° and 3 °, possibly also negative angles, find application.
- the outer wall (claim 5, 6) on the closure cover extends from the seaming edge to in the circumferential groove radially outside of the lower lid mirror, where about Height of the inner lid, which is either substantially horizontal or light arched, as the outer lid mirror can run, the circumferential strip is provided (claim 5, claim 20).
- the inner lid mirror has an opening system with a grip tab (Claim 12), the supporting effect when applying the tensile force on the Opening system of the outer lid mirror even with smaller physical objects obtained in the closed and hidden cavity.
- the axial height of the narrow strip on which the nip is formed is a Multiple of the plate thickness of the end portion of the apron area (claim 8), or the sheet thickness of the outer lid mirror.
- a lid provided with two mirrors according to the invention may also be so be described that two axially and radially offset grooves arise (Claim 21).
- the lower groove is continuous with its material on the groove base designed.
- the upper, axially upwardly and radially outwardly displaced groove has a from Material ago divided groove base on which division is present at the terminal point.
- One slight misalignment of the inner curved section relative to the upper step in the Edge region of the narrow circumferential strip (claim 13) can be provided be, but hardly visible from the outside at a corresponding depth of the groove, if necessary, with a sharp tool is palpable, so that the double-mirror box and a conventional single mirror can be confused.
- One of the two grooves is closed when the double-mirror cover is closed invisible. Both grooves are oriented in the same direction, especially at closed beverage can hull oriented towards the interior of the fuselage (Claim 18).
- a method is also proposed and claimed to the outer Cover mirror with its clamping seat to bring into position (claim 24). This will be provided a tool engaging from above, which has a circumferential joining rib owns, based on the apron geometry on the outer edge of the lid mirror engages, but a distance from the inclined wall between radially outward having the clamping seat and the mounting edge.
- an outer surface on the joining rib be inclined relative to the axis and inclined radially outward. It ends so that when engaging the joining rib of the clamping fit on the outer side is not or not materially touched to a force with its frontal geometry after axially down to insert the skirt with its clamping edge on the clamping seat to reach.
- the angle of inclination of the outer surface is in the range below 30 °, preferably between 5 ° and 15 °.
- the front geometry of the axially oriented joining rib is designed to be a large pressure area at the bottom of the skirt to achieve what is then achieved when the curvature of the inwardly facing surface of the joining rib largely to the curved portion of the apron applies and far in the direction the free edge of the apron is enough.
- In front of the free edge there is a change of the Surface inclination from, what as a kink, but at least kink-like transition in a second, radially outwardly facing surface can be considered.
- the width at the bottom of the joining rib between the circumferential kink and the curved, inwardly facing portion also formed narrower Only then reduces the area and it increases the surface pressure on the lower end of the apron to be inserted by pressure.
- a setting of the force with which the clamping edge as radially outwardly facing End edge of the skirt at the nip (the seat) attacks, can with another Tool can be achieved in which a radial expansion before insertion is made.
- the upper lid section with its lid mirror vice versa inserted into a support member having a ring area on which the Rim area of the lid mirror rests, under freestanding upper end of the The skirt portion.
- An upper calibration tool part engages from above with a predetermined setting depth on the inner surface of the apron geometry and presses the apron thereby plastically deforming to the outside.
- An adjusting piece either the Kalibrierwerkmaschineteil or the support member can be assigned determines the depth of engagement and thus the radial plastic deformation of the apron before subsequently using the aforementioned Tool is pressed by the joining rib in the clamping seat.
- a suitable clamping force can be set, if the adjustment part in the calibration tool part or support part in low (discreet stepped) differential dimensions by the plastic deformation is changeable.
- the so found calibration by plastically deforming specification of the diameter The free edge can be applied to all other lid sections with upper mirror and Apron to be applied.
- FIG. 1 shows a central axis 100 of a beverage can lid made of sheet metal.
- This lid has an edge portion 36 which is adapted to be snapped onto a hull flange (not shown).
- This loop-shaped edge region merges via an inclined wall section 35 into a circumferential groove from the two side walls 30b and 30a and a curved bottom 30r as groove base.
- the two wall pieces 30b, 30a form with the groove bottom 30r the circumferential groove 2a, which is placed around a cover mirror 30, which connects via a bend 30k radially inward.
- a tab piece 40 is provided with a handle ring shown here in section.
- a common opening area of score lines for defining a break-in piece and depressions around the tongue piece are also provided, but not visible in the sectional view.
- FIG. 1 of the document given at the beginning shows an example.
- a further wall portion 31 is provided which leaves the continuous slope of the wall portion 35 and has a substantially vertical orientation via circumferential shoulder-like recesses 31b, 31c and 31a.
- This designated as strip 31 wall portion is shown in Figure 2a as a detail enlargement, with its height in the straight region h 31 .
- a second arched outward Cover mirror 10 is provided, which should be referred to as outer lid mirror, with respect to a sealed box, in the outside of the lid mirror 10th is recognizable. He also has an opening part as a grip tab with a handle ring 41 and the beginning of a circumferential groove by transition of the lid mirror 10 via a the curvature 30a similar curvature 10k and an inner groove wall 10a and over a curvature portion 10b and a shoulder of a radially aligning Groove base 10r.
- the curvature of the outer mirror 10 is formed prior to assembly under high pressure, for example, substantially 6 bar (0.6 MPa) to an internal pressure in the mounted State that does not affect its bottom after the Internal pressure of the closed box (with a pressure-forming filling) from the inside Cover mirror is received (claim 34).
- the distance between the two cover mirrors is designated in the center by h 20 , wherein the axial heights as absolute values have the amounts h 10 and h 30 , in each case with respect to the outer cover mirror 10 and the inner or lower cover mirror 30.
- the reference of these absolute height values is measured at the lowest bottom of the lid h 0 , here the groove bottom 30 r and the lowest level H, if the lid is considered as such. If the lid in a folded state on a can - as shown in Figure 3 - viewed - is the lowest point of the riot ring of the can on vaulted at a soda can dome-shaped bottom.
- a chamber 20 which is not visible from the outside. It may be a surprise object, such as a disc-shaped gain information 44 or another physical object 45 placed in the space 20 in the region of the inner handle latch, which is hidden from the outside and located in the chamber 20. It is located in the cavity of the height h 20 between the two lid mirrors 10 and 30th
- the outer radial dimension of the free edge 11 of the radial groove portion 10r running as the groove bottom portion is in the unloaded state over a vertically extending annular surface V1, with a differential dimension dr (for DELTA r or ⁇ r) with respect to said surface and thus also based on the inwardly facing contact surface of the ring strip narrow in height h 31 , which narrow design is made up of the total length of the outer wall of the sections 35,31b, 31c, 31,31a and 30b up to the groove bottom 30r.
- An insertion with pressure generated by a tool upper part shown in FIG. 3 and FIG. 4 , causes a displacement of the free edge 11 by at least the differential dimension dr, wherein a radial force f r is applied and the skirt wall 10a is resiliently loaded, possibly the radial skirt portion 10r somewhat deformed axially downwards and / or slightly bulges the lid 10, with the application of an elastically yielding force.
- This loading of the skirt wall leads only to a small extent to a plastic, mainly to an elastic deformation, which ensures that the edge 11 along the annular surface V1 at the curvature stage 31 c are passed and placed on the strip 31.
- the elastic force f 11 of FIG. 1 and the skirt wall 10 a with the radial section 10 b, 10 r and its free edge 11 clamps firmly to the strip 31. It forms a second groove 1 a, which is located radially outside and axially above the first groove 2 a. It is also circumferential and visible from the outside, while by inserting the second lid mirror 10 with his apron, the first groove remains hidden from the viewer. The forming interior 20 is thus also hidden, but - as explained below - accessible through the opening tab 41.
- the forces applied by the free edge 11 in the justification of the clamping point on the bearing seat 31 are shown in FIG. 2a in an enlarged detail.
- the first curvature 31b is formed weaker with respect to the second sharpened curvature 31c.
- the narrow circumferential strip 31 which serves as a bearing or seat, for receiving a clamping force f 11 , which is transmitted from the edge 11, but of a largely elastic yielding the skirt wall 10 a, 10 r, a slight plastic component and also slightly caused by a slight bulging of the lid mirror 10.
- the forces f a and f r act as shown in FIG. 2 a.
- FIGS. 4 and 4a show how the upper tool is referred to as the upper lid mirror 10, which as a whole is also referred to as cover section 1 with its skirt wall 10a, 10r , is attached to the lower or inner (functional) cover 2.
- a joining rib 50 engages as an encircling, axially extending extension of an upper tool head 54 with a radially encircling support 54a and an axial extension 54b to the skirt 10a, 10b, 10r that a close contact is at least at the groove bottom 10r of the apron
- the joining rib 50 as an engagement part of the tool head 55 has an inwardly facing surface 50b, which extends substantially axially and arc-shaped in the lower region corresponding to the curvature 10b, 10r. It ends abruptly substantially on that radial extent on which the free edge 11 ends at the curved portion 10r of the skirt wall, and extends from here starting with an obliquely inclined annular surface 50a upwards.
- the annular surface 50a is sized and oriented so that it does not bear against the outer wall 35, but maintains a distance z from it as the upper tool portion 55 is lowered and with its transitional area at the kink 50 * between the two surfaces 50b and 50a is moved past the clamping seat 31, so the circumferential strip-shaped wall portion 31. This passing movement is shown in FIG. 2.
- the joining rib 50 is not shown here, but only the axial and radial movement of the skirt 10 a, 10 r.
- An elastic indentation for reducing the differential dimension dr to zero and preferably low negative values relative to the annular surface V1 is achieved by an axial pressure of the joining rib 50, when the free edge 11 is pressed by the shoulder 31c radially inward, while the axial force f a from the rib 50 acts on the radial portion 10r of the skirt. This is shown with the resulting force f r , wherein the upper lid portion 1 has already been lowered a little in the axial direction, as shown by dashed lines, which represents the inserted state.
- the force f 11 is formed on the seat 31 by the free edge 11.
- the lid state shown in dashed lines thus corresponds to the mounted or inserted state in which the free edge 11 has been pressed by sliding past the shoulder 31 c radially inward, wherein the resulting force is defined by the radial excess dr. If it is too big, difficulties in mounting can arise and the dissolving forces become too high. If the radial difference dimension (oversize) dr is too small, too little forces arise in the clamping seat and the second cover mirror is not sufficiently securely mounted.
- the reference surface V1 orients itself at the shoulder 31c and is parallel to the axis 100. It has a diameter dimension d 31 , which is illustrated in FIG. 2a. Compared with this diameter measure, the specified difference size dr, which becomes negative after exceeding step 31c and was previously positive, is measured.
- the axial height of the clamping seat 31,11 is substantially at the height h 30 , relative to a horizontal plane H, which is defined here by the groove bottom 30r of the inner circumferential groove 2a.
- the height h 31 of the ring strip 31 in the linear region is at least to be selected according to the sheet thickness of the free edge 11, but preferably the height of the narrow strip is greater, up to two or three sheet thicknesses at the nip.
- the axial height of the nip corresponds approximately to the height h 30 , but this height depends on the desired volume or the height h 20 of the chamber 20 at the location of the grip tabs 40,41. Measured in the axial direction, the axial heights of the inner wall sections 30a, 10a correspond to substantially the same extent in order to make the grooves 2a, 1a look as similar as possible. Nevertheless, a small step of the sharper curvature 31c in the transition to the nip is not always avoidable, but this paragraph is barely visible from the outside when the first lid section 1 is clamped.
- the lid acts in the assembled (assembled) state as a standard lid, very similar to the geometry used by the Wall section 35, the continuation of the skirt 10r, 10a and the outer Cover mirror 10 is formed.
- the inner lid mirror 30 faces a conventional beverage can lowered, resulting in an extension of the wall 35th was reached, because then only the outer groove wall 30 b and the intervening strip 31 follows.
- the curvature region 31 b acts as Approach of a groove bottom which corresponds to that groove bottom 30r of the inner groove 2a.
- the continuation of this groove bottom is not continuous, but by the seat the edge 11 on the strip 31 causes what by the curved portion 10r and the inner wall 10a of the skirt is reached at the upper lid mirror 10.
- This portion 10r, 10a of the skirt corresponds to that portion 30r, 30a of the inner lid, not here as an apron, but as inner groove wall and groove bottom designated.
- the curvature 31b is gentler than the curvatures 31c and 31a. These two stages define the transition into the stripe region 31 and out of this stripe region 31 out, wherein the strip 31 is aligned substantially axially, but slightly inclined. If a slight outward inclination of the strip area 31 is provided, the achievement of the snug fit of the clamping edge 11 is improved.
- a release of the clamping seat can be achieved by overcoming the radial force f 11 . It is overcome by an axial pulling force emanating from the lid mirror 10 caused by the gripping tab 41. When actuated, a tensile force is created which releases the edge 11 from the strip 31 and bursts out when the radial clamping force f 11 becomes free leads. As a result, the upper lid mirror 10 is removed from the inner lid mirror 30 and the chamber 20 accessible for removal of the stored therein object 44 or 45. During the opening movement may additionally open the upper Aufbrechteil in the lid mirror 10 at least partially, creating a support effect on the stored object 45th arises and the axial tensile force can be applied improved. If only one disc 44 is inserted, which is partially placed around the handle portion 40, the tensile force can be applied without the support effect, it improves the resulting Aufplatzrial and the separation of the upper lid, which happens surprisingly, but clearly.
- skirt wall 10a has, for example, a radially inwardly directed curvature region to engage the inner groove wall 30a of the groove 2a. The force is then directed radially inward.
- Other possibilities of applying clamping forces according to f 11 are accessible to the person skilled in the art on the basis of the preceding description.
- FIG. 4 will be explained in more detail with regard to its upper tool part, which is the Tool surfaces 50b and 50a of the joining rib 50, which also in Figure 2a is shown enlarged.
- the circumferential surface 50a as inclined Tapered surface ends in an upper receiving space 56, which is open at the bottom. He is dimensioned such that it can reach over a formed fold 37 from FIG. 3, as shown in the left field.
- An outer tool part 52 and a Intermediate part 53a ensure a tight fit of the joining rib 50 Tool part 54b on the body portion 54 at a in Figure 3 closer apparent Carrying section of the tool head.
- This tool head is not one The device shown in the axial direction movable to the engagement position in left half of Figure 3 and to the starting position in the right half of Figure 3 get.
- the lid portion 1 In the starting position, which is also shown in FIG. 4 in the upper picture, the lid portion 1 with its skirt wall 10a, 10r at the joining rib 50th attached and thereby held by negative pressure at the joining rib so that the free Edge 11 can slide past the seat 31 during lowering.
- the finished fold 37 at the top of the Beverage can 3 which from a folding operation of the lid edge 36 with a not shown Rumpfbördel arises.
- the inclined surface 52 a which on the tool part 52 is provided, ensures that the tool head when closing not with a retracted portion 38 of the beverage can body 3 collides and is on the retracted upper torso section of the beverage can.
- the surfaces 50a, 52a and the downwardly open receiving space 56 form a circumferential receiving ring on the upper tool part, for engaging in the Folding region 37, wherein radially inside the lid portion 1 placed on the clamping seat 31 otherwise the can will not be touched or damaged.
- the inner surface 50a has one of Figure 4 and Figure 2 easily imaginable Distance z from the wall 35, but may also have a different shape, if they at least in the lower portion in the region of the free edge 11 is designed so that they passes by the clamping seat of the strip 31.
- the arcuately curved surface 50b causes a relatively wide to the radial dimension of the lower arc portion 10a, 10r of the skirt wide footprint for applying the insertion force f a of Figure 2a when lowering the upper tool part 55 of Figure 3.
- the dimensioning of the differential dimension "dr" of Figure 2 is adjusted so that a radially applied force f 11 is not too large and a bursting out of the lid portion 1 from the clamping seat by operating the opening system 41 is possible. Reliable measurements for this have resulted in dr values between 1/10 and 2/10 mm.
- the inner lid diameter d 31 at the lower end of the step 31c and the beginning of the annular portion 31 is 48.59 mm in this example.
- the resulting force is below 30N to 35N to allow a meaningful opening.
- this force can not be accurately predicted and is subject to an adjustment process that takes place in an iterative process and will be described below.
- the mounting tool for inserting the upper lid mirror 10 of the outer Cover section 1 with its skirt wall of an axial portion 10 a and a radially aligned bottom or arc segment 10b, 10r is previously been addressed.
- the joining rib 50, on the skirt wall radially on the outside engages, is designed axially longer than the axial length of the skirt with her axial portion 10 a and has an inwardly facing upper inclined surface 50 d, the is steeper in terms of magnitude, as a slightly outwardly sloping outward Surface 50a, which at an angle> 0 ° but ⁇ 30 °, preferably in a range is oriented between 10 ° and 15 °.
- the outward facing surface opens at the Kink 50 * near the free edge 11 at the bottom of the joining rib 50, wherein the Knick in an arc segment 50b passes, the inward facing second Surface of the joining rib 50 defined. It is adapted to at least the radial Arc segment 10a, 10r and is largely attached to these segments Beginning of the impressions, in particular with regard to the ground segment 10r.
- the receiving space 56 is dimensioned so that a closed fold 37 of Figure 3 can be recorded in it, as shown in the left half of Figure 3.
- the axially upper position of the tool 55 is in Figure 4 and in Figure 3 in the right Field shown.
- the retracted, axially lowered position is in Figure 3 in the left Field shown so that the function and operation as well as the geometric Construction of the upper tool as a mounting tool for the closure cap, in particular, the upper portion 1 of the overall cover is understood.
- the outer surface of the joining rib 50 shown as a flat surface 50a may also be obtained a different shape. It only has to intervene past the press fit become. A distance z of this outer surface 50 a from the top wall 35 justifies a safe passing without mechanical deformation of the cover in the rest, after the lid segment 10 should only be placed, but not with the Assembly tool other cover geometries to be changed. The distance z is seen in Figure 4a, wherein a substantially constant strip spacing between the outer surface 50 a and the inclined top wall 35 is formed, until the beginning of the mounting edge 36 of the lid.
- the radially outer elements 52,53 of the mounting tool are with a screw as shown in Figure 3, on the head portion 54a of the upper Section 54 of the tool attached to replace the joining rib 50 with the To allow arranged thereon supporting portions 54,54a.
- the insertion of the clamping edge 11 on the seat 31 depends on which elastic force f 11 is required to achieve a secure fit and a release of this snug fit upon actuation of the opening lever.
- the oversize dr contributes to this as a difference measure according to FIG. This measure is determined by the geometry cut by punching and the dimensions of the upper lid section 1, and by a first deforming plastic deformation of the skirt wall 10a in its rest position.
- This plastic deformation (for example, by deep drawing) can be changed with another tool according to Figure 5 and thus the radial dimension dr can be precisely adjusted, in addition to or independent of a geometric design in a punching and a preforming of this upper lid segment 1, in which operations Deviations are possible, which can be influenced, compensated and redefined with the calibration tool according to FIG. 5 by reshaping.
- an upper tool part 70 and a lower tool part 60 are movable in the axial direction 100 relative to each other.
- the upper tool part 70 is axially adjustable and the lower tool 60 immobile as a support member. It has a body 69 as a lower support member and a spacer 65 which determines the axial dimension h 65 of the support member 60.
- the support member 60 has a collar 61 which faces upward and has an annular recess 64 which has an inner edge 62 and an outer annular ridge 63.
- the annular ridge 63 is shorter than the skirt wall 10a, as previously described.
- a lid segment 1 according to Figure 2 is reversed (lid mirror down) in the annular recess 64 inserted so that the curvature 10k of the lid mirror near the inner edge 62 of the recess 64 comes to rest.
- the axis 100 is drawn and the tool is symmetrical to this axis, so that only the left Half is shown and described.
- the upper tool part 70 has a calibration head having an inclined outer surface 71 has, which is tuned to the radial dimension of the recess 64 so that the inner end lies within it and the outer end 71a of the Bevel 71 outside. This results in a setting range, depending on the Adjustment depth of the upper calibration head 70, which in turn on a support member 72nd is arranged.
- a resting edge region of the lid mirror 10 is an upper Apron section with its outward curvature 10r open at the top for engagement of the inclined surface 71, wherein the lower end of the curvature 10r happens, but in the course of adjusting the inclined surface at a certain axial position contacts the inner surface of the curved portion 10r. From the Touching will be a plastic deformation of the skirt wall 10 a done to the Arc segment 10r further out to bend and thus another Difference measure dr to get.
- At fixed axial adjustment depth can be achieved by changing the height h 65 of the spacer 65 in low stages, ie, for example, with a change of shims 65a in steps of 0.05 mm, a very accurate adjustment of the plastic deformation.
- the engagement depth can be done by changing the height of the spacer 65 and the upper tool head 70.
- the relative displacement can also be effected by moving the receiving part 60 relative to the fixed calibration head 70.
- dr size adjusted by adjusting the height h 65 of the spacer 65.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Cookers (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
Description
- Figur 1
- ist eine Schnittansicht eines zwei Deckelspiegel 10,30 aufweisenden Verschlußdeckels aus Metallblech, wobei eine Achse 100 eingezeichnet ist, die den rechten Teil des Deckels fortläßt und nur den linken Bereich darstellt. Bei Annahme, daß es sich um eine Mittelachse handelt, kann der rechte Bereich in gleicher Weise aufgebaut sein wie der linke Bereich, mit Ausnahme von Grifflaschen 40,41, die rechts von der Mittelachse 100 entsprechend anders gestaltet sind (Aufbrechnase statt Griffring).
- Figur 2
- veranschaulicht zwei Stufen der Einbringung des äußeren Deckelspiegels in den Klemmsitz radial außerhalb des unteren Deckelspiegels.
- Figur 2a
- veranschaulicht eine Vergrößerung des Klemmsitzes 31 beim Eindrücken einer Kante 11 eines unteren Abschnitts 10r eines Schürzenabschnittes 10a am Rand des äußeren Deckelspiegels 10 mit einer Fügerippe 50.
- Figur 3
- veranschaulicht eine Getränkedose 3, in die ein Deckel mit zwei "Spiegeln" (panels) eingesetzt und angefalzt ist, wobei der untere Deckel 2 und der obere Deckelspiegel 10 bzw. Deckelabschnitt 1 im linken Halbbild dargestellt sind, bei dem der Klemmsitz bereits verwirklicht wurde, durch Eingriff des abgesenkten oberen Werkzeuges. Das rechte Halbbild veranschaulicht den oberen Deckelspiegel 10 im noch nicht eingesetzten Zustand, bei noch angehobenem Werkzeugteil, das bei Absenken den Klemmsitz wie aus Figur 2a und 2 erläutert, herbeiführt.
- Figur 4
- ist eine vergrößerte Darstellung des Eingreifwerkzeuges im oberen Abschnitt der Figur 3, wobei das Einsetzen des äußeren Deckelspiegels 10 mit Schürze 10a,10b,10r über die Fügerippe 50 deutlich wird.
- Figur 4a
- veranschaulicht einen abgesenkten Zustand von Figur 4, wobei die Fügerippe 50 gerade am Beginn der Aufwärtsbewegung y ist.
- Figur 5
- veranschaulicht ein Kalibrierwerkzeug, mit dem die Schürze 10a,10b,10r am äußeren Deckelspiegel 10 bzw. Deckelabschnitt 1 so kalibriert wird, daß sie in dem Klemmsitz, der zuvor beschrieben worden ist, die gewünschte Klemmkraft erzeugt.
Claims (24)
- Verschlußdeckel für einen Getränkedosenrumpf (3), bei welchem Deckel ein innerer und ein äußerer Deckelspiegel (30,10) vorgesehen sind, die in einer axialen Richtung (100) voneinander beabstandet (h20) sind, unter Bildung eines Zwischenraums (20) zur Aufnahme eines physischen Objekts (44, 45), welches von außen aus einer Blickrichtung auf den äußeren Deckelspiegel (10) nicht sichtbar ist;(a) der innere Deckelspiegel (30) ist über einen gekrümmt ausgeformten Abschnitt (30r), der eine um den Deckelspiegel umlaufende Nut (2a) bildet, mit einem Anbringungsrand (36) verbunden, zur Anbringung an den Getränkedosenrumpf;(b) der äußere Deckelspiegel (10) ist zur Festlegung des axialen Abstandes (h20) gegenüber dem inneren Deckelspiegel (30) mit einer im wesentlichen radial orientierten Kraftkomponente (f11) unter Bildung einer umfänglich verlaufenden Klemmstelle (11,31) relativ zum inneren Deckelspiegel (30) festgeklemmt.
- Deckel nach Anspruch 1, wobei die Klemmstelle (11,31) radial außerhalb des inneren Deckelspiegels gelegen ist (V1).
- Deckel nach Anspruch 1, wobei die insbesondere elastische Kraft (f11) nach radial außen wirkt.
- Deckel nach Anspruch 1, wobei der äußere Deckelspiegel (10) einen sich radial und axial erstreckenden Randabschnitt (10a,10b,10r) aufweist und die Kraft (f11) von dem Randabschnitt übertragen und zumindest teilweise aufgebracht wird.
- Deckel nach Anspruch 1, wobei die Klemmstelle (11,31) an einem Wandabschnitt (31) zwischen dem Anbringungsrand (36) und dem gekrümmt ausgeformten Abschnitt (30r) gelegen ist.
- Deckel nach Anspruch 5, wobei der Wandabschnitt ein Teil einer Deckelwand (35,31,30b) ist, die gegenüber der axialen Richtung (100) geneigt verläuft, und der Wandabschnitt als ein schmaler umlaufender Streifen (31) ausgebildet ist, dessen Neigung im wesentlichen parallel zur axialen Richtung (100) orientiert ist.
- Deckel nach Anspruch 6, wobei der umlaufende Streifen einen oberen und einen unteren Randbereich (31c,31a) aufweist, die als Stufen in die übrigen bzw. verbleibenden Wandabschnitte der Deckelwand überleiten; insbesondere in die zum Anbringungsrand verlaufende Kernwand (35) und in ein äußeres Wandstück (30b) der umlaufenden Nut (2a).
- Deckel nach Anspruch 6, wobei der äußere Deckelspiegel (10) einen Randabschnitt aufweist, der eine Blechstärke besitzt, und der schmale umlaufende Streifen (31) eine axiale Höhe (h31) aufweist, die ein Mehrfaches der Blechstärke beträgt.
- Deckel nach Anspruch 6, wobei der umlaufende Streifen (31) zwar im wesentlichen achsparallel, aber leicht konisch geneigt verläuft, welche Neigung geringer ist, als eine stärkere Neigung zumindest eines höher liegenden Abschnitts (35) der Deckelwand (35,31,30b).
- Deckel nach Anspruch 1, wobei eine als Klemmkraft wirkende elastische Kraftkompente (f11) an einem Klemmsitz (31) eine Klemmung begründet, die durch Aufbringen einer zumindest axial gerichteten Zugkraftkomponente lösbar ist, zum Abtrennen des äußeren Deckelspiegels (10) von dem inneren Deckelspiegel (30) und zum Freilegen des Zwischenraums (20).
- Deckel nach Anspruch 1, wobei der äußere Deckelspiegel (10) einen äußeren Griffteil (41) zum Betätigen eines durch Kerblinien definierten äußeren Offnungsbereichs im Deckelspiegel aufweist.
- Deckel nach Anspruch 11, wobei auch der innere Deckelspiegel (30) einen im wesentlichen axial unterhalb des äußeren Griffteils liegenden inneren Griffteil (40) aufweist, zum Freilegen eines durch Kerblinien definierten inneren Öffnungsbereiches im inneren Deckelspiegel (30).
- Deckel nach Anspruch 1, wobei(aa) ein Randabschnitt (10a,10r) des äußeren Deckelspiegels (10) einen teilweise U-förmigen Schürzenabschnitt, insbesondere im wesentlichen die Hälfte einer weiteren U-förmigen Nut (1a) aufweist, und eine radial orientierte äußere Kante (11) am Ende des Schürzenabschnitts besitzt;(bb) zwischen dem - einen ersten Nutgrund bildenden - gekrümmt ausgeformten Abschnitt (30r) des inneren Deckelspiegels (30) und dem Anbringungsrand (36) im Verlauf einer Deckelwand (35,31,30b) ein teilweise U-förmiger Krümmungsabschnitt (31 b), insbesondere im wesentlichen die andere Hälfte der weiteren U-förmigen Nut (2a), vorgesehen ist;
- Deckel nach Anspruch 13, wobei die beiden umlaufenden Nuten (1a,2a) axial und radial gegeneinander versetzt angeordnet sind.
- Deckel nach Anspruch 1, wobei der Anbringungsrand (36) ein Falzrand ist, zum Ausbilden eines Falzes (37) durch Einrollen mit einem daran angepaßten Rumpfbördel an dem Rumpf (3).
- Deckel nach Anspruch 1, der zumindest im wesentlichen aus Metallblech ist.
- Deckel nach Anspruch 1, wobei der Abstand (h20) zwischen den Deckelspiegeln so gewählt ist, daß das physische Objekt (44,45) eine Stützfunktion beim Öffnen des äußeren Deckelspiegels (10) ausübt, zum Lösen der Klemmstelle (11,31).
- Deckel nach Anspruch 14, wobei die beiden Nuten (1a,2a) in dieselbe Richtung orientiert sind.
- Deckel nach einem der vorigen Ansprüche, wobei die Klemmstelle (11,31), insbesondere der umlaufende Streifen nach Anspruch 6, konisch geneigt verläuft, insbesondere aufwärts erweiternd (α), unter einem Winkel von zwischen 0° und 6° gegenüber der Achse (100) bzw. einer Ringfläche (V1), die durch die Klemmstelle verläuft.
- Verschlußdeckel nach Anspruch 1, wobei die Klemmstelle auf einer axialen Höhe (h30) gelegen ist, die im wesentlichen derjenigen axialen Höhe entspricht, die der erste Deckelspiegel (30) aufweist, bezogen auf eine tiefste Stelle der umlaufenden Nut (30r) bei einem Verschlußdeckel oder bezogen auf eine Aufstandsfläche einer verschlossenen Getränkedose als tiefste Stelle (h0).
- Verfahren zur Herstellung eines Verschlußdeckels für einen Getränkedosenrumpf (3), bei welchem Deckel ein innerer und ein äußerer Deckelspiegel (30,10) vorgesehen werden, die in einer axialen Richtung (100) voneinander beabstandet (h20) werden, unter Bildung eines Zwischenraumes (20) zur Aufnahme eines Objektes (44,45), das von außen, aus einer Richtung auf den äußeren Deckelspiegel (10), nicht sichtbar ist;(a) der innere Deckelspiegel (30) wird über einen gekrümmt ausgeformten Abschnitt (30r), der eine um den Deckelspiegel umlaufende Nut (2a) bildet, mit einem Anbringungsrand (36) verbunden, zur kraftschlüssigen Anbringung an den Getränkedosenrumpf;(b) am äußeren Deckelspiegel (10) ist ein schürzenförmiger Randabschnitt (10a,10b,10r) vorgesehen, der mit einem Wandabschnitt (31,35,31 b) oberhalb des gekrümmt ausgeformten Abschnitts (30r) der ersten Nut (2a) bei der Anbringung eine gegenüber der ersten Nut axial und radial versetzte zweite Nut (2a) ausbildet.
- Verfahren nach Anspruch 21, wobei der Kraftschluß durch Betätigen einer am äußeren Deckelspiegel angeordneten Grifflasche (41) gelöst wird, um die Kavität (20) freizulegen oder zu öffnen, bei welcher Öffnung sich die Deckelspiegel voneinander entfernen.
- Verfahren nach Anspruch 21, wobei der Kraftschluß am Sitz (31) eine solche Haltekraft aufbringt, daß die relative Lage der Deckelspiegel (10,30) ohne Klebstoff fixiert wird.
- Verfahren zum Einstellen einer Klemmkraft einer Schürze (10a,10b,10r) eines einen äußeren Deckelspiegel (10) aufweisenden ersten Deckelabschnitts (1) an einem Sitz (31) eines einen inneren Deckelspiegel aufweisenden zweiten Deckelabschnitts (2), wobeider erste Deckelabschnitt (1) mit der Schürze und dem äußeren Deckelspiegel ausgestanzt und die Schürze durch eine erste mechanische Verformung ausgebildet wird;eine plastische Nachverformung der Schürze in einem weiteren Werkzeug (60,70) erfolgt, zur Veränderung der radialen Lage (dr) einer freien Kante (11) der Schürze;ein Einsetzen des plastisch nachverformten ersten Deckelabschnitts (1) mit der freien Kante (11) am Sitz (31) des zweiten Deckelabschnitts erfolgt, unter elastischer Verformung zumindest eines Abschnitts der Schürze und Aufbringen von Klemmkraft (f11) am Sitz des zweiten Deckelabschnitts (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10196147T DE10196147D2 (de) | 2001-03-01 | 2001-03-01 | Verschlussdeckel mit doppeltem Spiegel sowie seine Herstellung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DE2001/000775 WO2002070358A1 (de) | 2001-03-01 | 2001-03-01 | Verschlussdeckel mit doppeltem spiegel sowie seine herstellung |
Publications (2)
Publication Number | Publication Date |
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EP1363836A1 EP1363836A1 (de) | 2003-11-26 |
EP1363836B1 true EP1363836B1 (de) | 2005-10-19 |
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EP01919150A Expired - Lifetime EP1363836B1 (de) | 2001-03-01 | 2001-03-01 | Verschlussdeckel mit doppeltem deckelspiegel sowie seine herstellung |
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US (1) | US7278548B2 (de) |
EP (1) | EP1363836B1 (de) |
JP (1) | JP2004521037A (de) |
AT (1) | ATE307061T1 (de) |
BR (1) | BR0116923B1 (de) |
DE (1) | DE50107778D1 (de) |
WO (1) | WO2002070358A1 (de) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US8789721B2 (en) * | 2005-05-17 | 2014-07-29 | Toyo Seikan Kaisha, Ltd. | Square can and method and apparatus for double seaming the same |
US8875936B2 (en) * | 2007-04-20 | 2014-11-04 | Rexam Beverage Can Company | Can end with negatively angled wall |
US8973780B2 (en) | 2007-08-10 | 2015-03-10 | Rexam Beverage Can Company | Can end with reinforcing bead |
US8640949B2 (en) * | 2008-03-03 | 2014-02-04 | Apple Inc. | Method for assembling and activating a multi-pack package of transaction cards |
WO2011050346A2 (en) * | 2009-10-23 | 2011-04-28 | Chapin Barry W | Beverage can marketing device |
US10577158B2 (en) * | 2010-01-29 | 2020-03-03 | Graham Packaging Company, L.P. | Pressure equalizing closure |
US8991643B2 (en) | 2011-03-29 | 2015-03-31 | Graham Packaging Company, L.P. | Closure for use in hotfill and pasteurization applications |
KR101992210B1 (ko) * | 2017-11-13 | 2019-09-30 | 주식회사 프리캔 | 손잡이가 결합된 용기 상판 제조장치 및 상판 제조방법 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2120403A (en) * | 1936-06-23 | 1938-06-14 | Lever Brothers Ltd | Can top label |
US2804201A (en) * | 1956-10-23 | 1957-08-27 | Story F Chappell | Folder |
US3067867A (en) * | 1960-04-04 | 1962-12-11 | Procter & Gamble | Premium holder |
US3262602A (en) * | 1964-06-17 | 1966-07-26 | Scott Paper Co | Plastic container and lid |
GB1577739A (en) * | 1976-04-09 | 1980-10-29 | Metal Box Co Ltd | Containers |
US4090636A (en) * | 1977-08-22 | 1978-05-23 | B.W. Norton Manufacturing Co. Inc. | Metal paint pail cover |
US5472542A (en) * | 1994-01-13 | 1995-12-05 | Kraft Jacobs Suchard R&D, Inc. | Reclosable container and a method of forming and assembling a reclosable container |
US5507406A (en) * | 1994-04-26 | 1996-04-16 | Belford Patrick, Inc. | Tamperproof/tamper evident container |
GB9415782D0 (en) | 1994-08-04 | 1994-09-28 | Continental Can Company Limite | Prize-holding container |
NO305473B1 (no) | 1995-11-24 | 1999-06-07 | Rnsen Petter Konrad Bj | Anordning ved drikkevareboks |
US6296137B1 (en) * | 1995-11-24 | 2001-10-02 | Topad As | Beverage can device |
US6152318A (en) * | 1997-02-20 | 2000-11-28 | Walker; Jack A. | Storage container with self-retaining lid |
US5996833A (en) * | 1997-11-05 | 1999-12-07 | Sonoco Development, Inc. | Tamper evident dust cover for a drum bung |
US6295137B1 (en) * | 1998-12-11 | 2001-09-25 | Xerox Corporation | Method of color correction using multi-level halftoning |
-
2001
- 2001-03-01 JP JP2002569693A patent/JP2004521037A/ja active Pending
- 2001-03-01 US US10/468,913 patent/US7278548B2/en not_active Expired - Fee Related
- 2001-03-01 BR BRPI0116923-8A patent/BR0116923B1/pt not_active IP Right Cessation
- 2001-03-01 EP EP01919150A patent/EP1363836B1/de not_active Expired - Lifetime
- 2001-03-01 AT AT01919150T patent/ATE307061T1/de not_active IP Right Cessation
- 2001-03-01 WO PCT/DE2001/000775 patent/WO2002070358A1/de active IP Right Grant
- 2001-03-01 DE DE50107778T patent/DE50107778D1/de not_active Expired - Fee Related
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US20040129703A1 (en) | 2004-07-08 |
DE50107778D1 (de) | 2005-11-24 |
BR0116923B1 (pt) | 2011-08-09 |
JP2004521037A (ja) | 2004-07-15 |
EP1363836A1 (de) | 2003-11-26 |
US7278548B2 (en) | 2007-10-09 |
WO2002070358A1 (de) | 2002-09-12 |
ATE307061T1 (de) | 2005-11-15 |
BR0116923A (pt) | 2004-04-27 |
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